Schedule of Investments  (unaudited)  July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Corporate Bonds & Notes
Aerospace & Defense — 1.3%
Boeing Co. (The)
2.70%, 02/01/27 (Call 12/01/26)	$	35	$	34,967
2.95%, 02/01/30 (Call 11/01/29)		85		85,271
3.20%, 03/01/29 (Call 12/01/28)		260		266,864
3.25%, 02/01/35 (Call 11/01/34)		100		100,513
3.60%, 05/01/34 (Call 02/01/34)		250		261,102
3.75%, 02/01/50 (Call 08/01/49)		90		90,580
6.88%, 03/15/39		95		138,140
General Dynamics Corp.
1.88%, 08/15/23 (Call 06/15/23)(a)		50		49,321
2.13%, 08/15/26 (Call 05/15/26)		160		156,211
2.38%, 11/15/24 (Call 09/15/24)		210		211,048
2.63%, 11/15/27 (Call 08/15/27)(a)		120		121,050
3.00%, 05/11/21		275		279,122
3.38%, 05/15/23 (Call 04/15/23)		143		148,799
3.50%, 05/15/25 (Call 03/15/25)		100		106,018
3.60%, 11/15/42 (Call 05/14/42)(a)		34		36,050
3.75%, 05/15/28 (Call 02/15/28)		155		169,065
3.88%, 07/15/21 (Call 04/15/21)		129		132,496
Lockheed Martin Corp.
3.35%, 09/15/21		350		357,472
3.55%, 01/15/26 (Call 10/15/25)		500		532,580
4.70%, 05/15/46 (Call 11/15/45)		810		982,279
Raytheon Co.
2.50%, 12/15/22 (Call 09/15/22)		334		335,306
4.88%, 10/15/40		200		241,162
				4,835,416
Agriculture — 0.9%
Archer-Daniels-Midland Co.
2.50%, 08/11/26 (Call 05/11/26)(a)		130		129,861
3.75%, 09/15/47 (Call 03/15/47)		85		88,869
4.02%, 04/16/43		84		90,656
4.50%, 03/15/49 (Call 09/15/48)		200		234,940
4.54%, 03/26/42(a)		75		86,785
Philip Morris International Inc.
1.88%, 02/25/21 (Call 01/25/21)		100		99,396
2.13%, 05/10/23 (Call 03/10/23)		130		128,400
2.50%, 08/22/22		526		526,621
2.63%, 02/18/22 (Call 01/18/22)		25		25,124
2.63%, 03/06/23		100		100,541
2.75%, 02/25/26 (Call 11/25/25)		180		181,310
3.13%, 08/17/27 (Call 05/17/27)		50		51,641
3.13%, 03/02/28 (Call 12/02/27)		105		107,316
3.25%, 11/10/24		165		170,414
3.38%, 08/11/25 (Call 05/11/25)		115		119,484
3.60%, 11/15/23		148		154,277
3.88%, 08/21/42		115		116,010
4.13%, 03/04/43		285		295,411
4.25%, 11/10/44		325		345,709
4.38%, 11/15/41		74		79,434
4.50%, 03/20/42		25		27,269
4.88%, 11/15/43		100		115,042
6.38%, 05/16/38		215		294,184
				3,568,694
Airlines — 0.4%
American Airlines Pass Through Trust
Series 2014-1, Class A, 3.70%, 04/01/28		8		7,805
Series 2015-1, Class A, 3.38%, 05/01/27		320		328,295

Security	Par (000)		Value
Airlines (continued)
Series 2015-2, Class AA, 3.60%, 09/22/27	$	9	$	8,891
Series 2016-1, Class AA, 3.58%, 07/15/29		43		44,275
Series 2016-3, Class AA, 3.00%, 10/15/28(a)		188		189,183
Continental Airlines Inc. Pass Through Trust, Series 2012-2, Class A, 4.00%, 10/29/24		216		226,524
United Airlines Pass Through Trust
Series 2013-1, Class A, 4.30%, 08/15/25		78		82,683
Series 2014-1, Class A, 4.00%, 10/11/27		86		90,180
Series 2014-2, Class A, 3.75%, 09/03/26		277		288,577
Series 2016-1, Class AA, 3.10%, 07/07/28		18		18,135
Series 2016-2, Class AA, 2.88%, 10/07/28		64		64,251
				1,348,799
Apparel — 0.3%
NIKE Inc.
2.25%, 05/01/23 (Call 02/01/23)		92		92,067
2.38%, 11/01/26 (Call 08/01/26)		380		379,320
3.38%, 11/01/46 (Call 05/01/46)		75		74,951
3.63%, 05/01/43 (Call 11/01/42)		100		103,812
3.88%, 11/01/45 (Call 05/01/45)		240		259,855
VF Corp., 3.50%, 09/01/21 (Call 06/21/21)		75		76,506
				986,511
Auto Manufacturers — 1.4%
American Honda Finance Corp.
1.65%, 07/12/21		195		192,475
1.70%, 09/09/21		225		222,196
2.30%, 09/09/26		220		214,982
2.45%, 09/24/20		300		300,531
2.60%, 11/16/22		125		126,026
2.90%, 02/16/24		271		276,382
3.50%, 02/15/28		160		169,293
3.63%, 10/10/23		300		314,400
Daimler Finance North America LLC, 8.50%, 01/18/31		480		713,640
Toyota Motor Credit Corp.
1.90%, 04/08/21		275		273,606
2.15%, 09/08/22		50		49,887
2.25%, 10/18/23		240		240,732
2.60%, 01/11/22		750		756,547
2.63%, 01/10/23		125		126,330
2.70%, 01/11/23		250		253,345
2.80%, 07/13/22		25		25,407
2.90%, 04/17/24		196		200,422
3.30%, 01/12/22		225		230,402
3.40%, 09/15/21		160		163,862
3.45%, 09/20/23		250		261,640
			5,112,105
Auto Parts & Equipment — 0.0%
Magna International Inc., 4.15%, 10/01/25 (Call 07/01/25)		125		133,276
Banks — 34.8%
Australia & New Zealand Banking Group Ltd./New York NY
2.25%, 11/09/20		100		99,940
2.63%, 05/19/22		385		388,500
2.63%, 11/09/22		350		353,405
2.70%, 11/16/20		242		243,258
Banco Bilbao Vizcaya Argentaria SA, 3.00%, 10/20/20		200		200,954
Banco Santander SA
2.71%, 06/27/24		400		398,788
3.31%, 06/27/29		200		202,026
3.80%, 02/23/28		400		411,068

1

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Banks (continued)
3.85%, 04/12/23	$	200	$	207,462
4.38%, 04/12/28		200		214,026
Bank of America Corp.
2.15%, 11/09/20 (Call 11/09/19)		100		99,811
2.33%, 10/01/21 (Call 10/01/20)(b)		175		174,657
2.37%, 07/21/21 (Call 07/21/20)(b)		334		333,579
2.50%, 10/21/22 (Call 10/21/21)		275		275,261
2.63%, 10/19/20		375		376,650
2.63%, 04/19/21		175		175,756
2.82%, 07/21/23 (Call 07/21/22)(b)		375		378,112
2.88%, 04/24/23 (Call 04/24/22)(b)		275		277,387
3.00%, 12/20/23 (Call 12/20/22)(b)		500		506,975
3.09%, 10/01/25 (Call 10/01/24)(a)(b)		225		229,410
3.12%, 01/20/23 (Call 01/20/22)(b)		274		277,910
3.19%, 07/23/30 (Call 07/23/29)(b)		300		302,382
3.25%, 10/21/27 (Call 10/21/26)		100		102,503
3.30%, 01/11/23		185		189,997
3.37%, 01/23/26 (Call 01/23/25)(b)		450		463,212
3.42%, 12/20/28 (Call 12/20/27)(b)		1,042		1,072,145
3.46%, 03/15/25 (Call 03/15/24)(b)		250		258,508
3.50%, 05/17/22 (Call 05/17/21)(b)		150		152,603
3.50%, 04/19/26		350		365,260
3.55%, 03/05/24 (Call 03/05/23)(b)		100		103,276
3.59%, 07/21/28 (Call 07/21/27)(b)		209		217,546
3.71%, 04/24/28 (Call 04/24/27)(a)(b)		250		262,245
3.82%, 01/20/28 (Call 01/20/27)(b)		135		142,918
3.88%, 08/01/25		325		346,408
4.00%, 04/01/24		575		611,576
4.10%, 07/24/23		50		53,026
4.13%, 01/22/24		450		480,010
4.24%, 04/24/38 (Call 04/24/37)(b)		175		193,830
4.27%, 07/23/29 (Call 07/23/28)(b)		1,025		1,118,654
4.33%, 03/15/50 (Call 03/15/49)(b)		225		254,421
4.44%, 01/20/48 (Call 01/20/47)(b)		145		166,314
4.88%, 04/01/44		40		48,250
5.00%, 01/21/44		580		714,659
5.88%, 01/05/21		75		78,572
5.88%, 02/07/42		225		302,706
Bank of Montreal
1.90%, 08/27/21		350		347,343
2.35%, 09/11/22		565		566,249
2.55%, 11/06/22 (Call 10/06/22)		100		100,718
2.90%, 03/26/22		425		430,597
Series D, 3.10%, 04/13/21		200		202,682
Bank of New York Mellon Corp. (The)
2.05%, 05/03/21 (Call 04/03/21)		725		722,042
2.20%, 08/16/23 (Call 06/16/23)(a)		225		223,511
2.45%, 11/27/20 (Call 10/27/20)		50		50,109
2.45%, 08/17/26 (Call 05/17/26)		164		162,878
2.50%, 04/15/21 (Call 03/15/21)		120		120,430
2.60%, 08/17/20 (Call 07/17/20)		250		250,780
2.66%, 05/16/23 (Call 05/16/22)(a)(b)		100		100,784
2.80%, 05/04/26 (Call 02/04/26)		150		152,114
3.00%, 10/30/28 (Call 07/30/28)(a)		250		253,168
3.25%, 09/11/24 (Call 08/11/24)		25		25,835
3.25%, 05/16/27 (Call 02/16/27)		75		77,893
3.30%, 08/23/29 (Call 05/23/29)		250		258,383
3.40%, 05/15/24 (Call 04/15/24)		316		328,397
3.40%, 01/29/28 (Call 10/29/27)		50		52,585
3.44%, 02/07/28 (Call 02/07/27)(a)(b)		160		166,846

Security	Par (000)		Value
Banks (continued)
3.50%, 04/28/23	$	350	$	363,622
3.55%, 09/23/21 (Call 08/23/21)		325		333,167
3.65%, 02/04/24 (Call 01/05/24)		89		93,581
3.85%, 04/28/28		100		109,199
Series G, 3.00%, 02/24/25 (Call 01/24/25)		50		51,211
Bank of Nova Scotia (The)
2.35%, 10/21/20		247		247,368
2.45%, 03/22/21		292		292,704
2.45%, 09/19/22		130		130,642
2.70%, 03/07/22		325		328,471
2.80%, 07/21/21(a)		150		151,389
3.13%, 04/20/21		225		228,105
3.40%, 02/11/24(a)		220		228,615
Barclays Bank PLC, 2.65%, 01/11/21 (Call 12/11/20)		325		325,185
BB&T Corp.
2.05%, 05/10/21 (Call 04/09/21)		521		517,890
2.15%, 02/01/21 (Call 01/01/21)		25		24,922
2.75%, 04/01/22 (Call 03/01/22)		350		353,202
2.85%, 10/26/24 (Call 09/26/24)		546		554,392
3.20%, 09/03/21 (Call 08/03/21)		225		228,530
BNP Paribas SA
3.25%, 03/03/23		465		478,629
5.00%, 01/15/21		325		337,558
BPCE SA, 3.38%, 12/02/26(a)		400		412,356
Branch Banking & Trust Co.
2.85%, 04/01/21 (Call 03/01/21)		242		243,750
3.63%, 09/16/25 (Call 08/16/25)		250		261,460
Canadian Imperial Bank of Commerce
2.55%, 06/16/22		440		443,815
3.50%, 09/13/23		175		182,571
Citibank N.A.
2.13%, 10/20/20 (Call 09/20/20)		100		99,818
2.84%, 05/20/22 (Call 04/20/22)(b)		500		503,165
2.85%, 02/12/21 (Call 01/12/21)		750		755,925
3.17%, 02/19/22 (Call 02/19/21)(b)		825		833,654
3.40%, 07/23/21 (Call 06/23/21)		400		407,544
3.65%, 01/23/24 (Call 12/23/23)		300		314,382
Citigroup Inc.
2.65%, 10/26/20		1,000		1,002,550
2.88%, 07/24/23 (Call 07/24/22)(b)		900		907,632
2.90%, 12/08/21 (Call 11/08/21)		250		252,935
3.35%, 04/24/25 (Call 04/24/24)(b)		700		719,481
3.40%, 05/01/26		1,040		1,076,358
3.52%, 10/27/28 (Call 10/27/27)(b)		1,000		1,031,450
3.98%, 03/20/30 (Call 03/20/29)(b)		250		266,927
4.04%, 06/01/24 (Call 06/01/23)(b)		350		367,668
4.28%, 04/24/48 (Call 10/24/47)(a)(b)		75		83,876
4.65%, 07/23/48 (Call 06/23/48)		805		946,447
8.13%, 07/15/39		525		845,334
Cooperatieve Rabobank UA
3.88%, 02/08/22		635		657,669
5.25%, 05/24/41		215		278,829
Cooperatieve Rabobank UA/NY
2.50%, 01/19/21		500		500,985
2.75%, 01/10/22		665		670,958
2.75%, 01/10/23		250		252,815
Credit Suisse AG/New York NY
3.00%, 10/29/21		325		329,040
3.63%, 09/09/24		400		419,688
4.38%, 08/05/20		250		255,070

2

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Banks (continued)
Fifth Third Bank/Cincinnati OH
2.20%, 10/30/20 (Call 09/30/20)	$	100	$	99,881
3.95%, 07/28/25 (Call 06/28/25)		225		242,062
Goldman Sachs Group Inc. (The)
2.35%, 11/15/21 (Call 11/15/20)		225		224,136
2.60%, 12/27/20 (Call 12/27/19)		25		25,011
2.63%, 04/25/21 (Call 03/25/21)		600		601,020
2.75%, 09/15/20 (Call 08/15/20)		150		150,518
2.88%, 02/25/21 (Call 01/25/21)		173		173,990
2.88%, 10/31/22 (Call 10/31/21)(b)		400		402,264
2.91%, 06/05/23 (Call 06/05/22)(b)		200		201,582
2.91%, 07/24/23 (Call 07/24/22)(b)		95		95,764
3.00%, 04/26/22 (Call 04/26/21)		405		408,102
3.20%, 02/23/23 (Call 01/23/23)		875		892,264
3.27%, 09/29/25 (Call 09/29/24)(a)(b)		460		469,862
3.50%, 01/23/25 (Call 10/23/24)		535		552,569
3.50%, 11/16/26 (Call 11/16/25)		465		476,769
3.63%, 01/22/23		927		958,694
3.63%, 02/20/24 (Call 01/20/24)		250		259,665
3.69%, 06/05/28 (Call 06/05/27)(b)		260		269,500
3.75%, 05/22/25 (Call 02/22/25)		312		325,868
3.75%, 02/25/26 (Call 11/25/25)		175		183,150
3.81%, 04/23/29 (Call 04/23/28)(b)		135		141,029
3.85%, 07/08/24 (Call 04/08/24)		370		387,860
3.85%, 01/26/27 (Call 01/26/26)		730		765,171
4.00%, 03/03/24		150		158,396
4.02%, 10/31/38 (Call 10/31/37)(b)		280		290,427
4.22%, 05/01/29 (Call 05/01/28)(b)		435		466,825
4.41%, 04/23/39 (Call 04/23/38)(b)		435		474,385
4.75%, 10/21/45 (Call 04/21/45)		435		509,629
4.80%, 07/08/44 (Call 01/08/44)		250		291,042
5.25%, 07/27/21(a)		195		205,243
5.75%, 01/24/22		280		301,529
6.25%, 02/01/41		195		263,630
HSBC Bank USA N.A., 4.88%, 08/24/20		292		298,999
HSBC Holdings PLC
2.65%, 01/05/22		550		550,638
2.95%, 05/25/21		600		604,290
3.26%, 03/13/23 (Call 03/13/22)(b)		500		507,445
3.40%, 03/08/21		1,000		1,012,930
3.60%, 05/25/23		100		103,634
3.90%, 05/25/26		350		366,611
3.95%, 05/18/24 (Call 05/18/23)(b)		600		625,122
3.97%, 05/22/30 (Call 05/22/29)(b)		410		428,409
4.00%, 03/30/22		134		138,710
4.04%, 03/13/28 (Call 03/13/27)(b)		450		470,682
4.25%, 03/14/24		400		418,748
4.29%, 09/12/26 (Call 09/15/25)(b)		200		212,236
4.30%, 03/08/26		650		695,682
4.38%, 11/23/26		575		609,966
4.58%, 06/19/29 (Call 06/19/28)(b)		450		489,888
4.88%, 01/14/22		174		183,453
5.10%, 04/05/21		250		260,487
5.25%, 03/14/44		600		710,028
6.10%, 01/14/42		125		172,538
6.50%, 05/02/36		125		162,184
6.50%, 09/15/37		360		472,176
6.80%, 06/01/38		275		373,538

Security	Par (000)		Value
Banks (continued)
HSBC USA Inc.
2.75%, 08/07/20	$	175	$	175,726
3.50%, 06/23/24		250		260,957
5.00%, 09/27/20		100		102,674
Huntington National Bank (The), 3.25%, 05/14/21 (Call 04/14/21)		350		354,924
ING Groep NV
3.15%, 03/29/22		325		330,171
3.95%, 03/29/27		275		292,380
4.10%, 10/02/23(a)		450		475,258
4.55%, 10/02/28		300		334,527
JPMorgan Chase & Co.
2.30%, 08/15/21 (Call 08/15/20)		212		211,489
2.40%, 06/07/21 (Call 05/07/21)		200		200,232
2.55%, 10/29/20 (Call 09/29/20)		36		36,059
2.55%, 03/01/21 (Call 02/01/21)		175		175,467
2.70%, 05/18/23 (Call 03/18/23)		300		302,682
2.78%, 04/25/23 (Call 04/25/22)(b)		225		226,436
2.95%, 10/01/26 (Call 07/01/26)		125		126,583
2.97%, 01/15/23 (Call 01/15/22)		175		177,142
3.13%, 01/23/25 (Call 10/23/24)		99		101,387
3.20%, 01/25/23		426		436,897
3.20%, 06/15/26 (Call 03/15/26)(a)		200		205,890
3.22%, 03/01/25 (Call 03/01/24)(b)		150		153,950
3.25%, 09/23/22(a)		325		333,512
3.30%, 04/01/26 (Call 01/01/26)		275		285,169
3.54%, 05/01/28 (Call 05/01/27)(b)		170		177,361
3.56%, 04/23/24 (Call 04/23/23)(b)		100		103,519
3.63%, 05/13/24		120		126,095
3.63%, 12/01/27 (Call 12/01/26)		75		77,678
3.70%, 05/06/30 (Call 05/06/29)(b)		350		370,002
3.78%, 02/01/28 (Call 02/01/27)(b)		625		662,619
3.80%, 07/23/24 (Call 07/23/23)(b)		100		104,689
3.88%, 02/01/24		275		291,239
3.88%, 07/24/38 (Call 07/24/37)(b)		215		228,468
3.90%, 07/15/25 (Call 04/15/25)		425		452,710
3.90%, 01/23/49 (Call 01/23/48)(b)		250		266,170
3.96%, 11/15/48 (Call 11/15/47)(b)		475		508,022
4.01%, 04/23/29 (Call 04/23/28)(b)		150		161,601
4.03%, 07/24/48 (Call 07/24/47)(b)		230		247,873
4.20%, 07/23/29 (Call 07/23/28)(b)		460		503,475
4.25%, 10/15/20		50		51,090
4.25%, 10/01/27		350		380,604
4.26%, 02/22/48 (Call 02/22/47)(b)		140		155,901
4.35%, 08/15/21		108		112,126
4.50%, 01/24/22		225		236,185
4.63%, 05/10/21		1,097		1,139,213
4.85%, 02/01/44		15		18,099
5.40%, 01/06/42		165		211,683
5.50%, 10/15/40		165		211,781
5.60%, 07/15/41		342		448,290
6.40%, 05/15/38		445		620,735
JPMorgan Chase Bank N.A., 2.60%, 02/01/21 (Call 02/01/20)(b)		315		315,274
KeyBank N.A./Cleveland OH
3.30%, 02/01/22		250		255,663
3.38%, 03/07/23		300		309,960
Lloyds Bank PLC, 2.70%, 08/17/20		200		200,598

3

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Banks (continued)
Lloyds Banking Group PLC
2.91%, 11/07/23 (Call 11/07/22)(b)	$	625	$	621,487
3.00%, 01/11/22		35		35,188
3.10%, 07/06/21		200		201,932
3.57%, 11/07/28 (Call 11/07/27)(b)		250		248,038
3.75%, 01/11/27		350		355,015
4.05%, 08/16/23		650		676,266
4.45%, 05/08/25		200		211,740
4.55%, 08/16/28(a)		325		348,764
M&T Bank Corp., 3.55%, 07/26/23 (Call 06/26/23)(a)		400		417,360
Manufacturers & Traders Trust Co., 2.05%, 08/17/20 (Call 07/17/20)		250		249,325
Mitsubishi UFJ Financial Group Inc.
2.19%, 09/13/21		350		347,424
2.62%, 07/18/22		300		300,285
2.67%, 07/25/22		225		225,828
2.80%, 07/18/24		200		201,014
3.00%, 02/22/22		1,025		1,036,849
3.20%, 07/18/29		275		278,539
3.22%, 03/07/22		200		203,394
3.29%, 07/25/27(a)		450		463,369
3.41%, 03/07/24		250		257,998
3.46%, 03/02/23		100		102,909
3.54%, 07/26/21		50		50,968
3.68%, 02/22/27		375		396,225
3.74%, 03/07/29		250		266,292
3.75%, 07/18/39		225		231,422
3.78%, 03/02/25		75		78,999
3.85%, 03/01/26		400		424,752
3.96%, 03/02/28		250		269,840
4.15%, 03/07/39		100		109,269
4.29%, 07/26/38		50		55,550
Mizuho Financial Group Inc.
2.27%, 09/13/21		700		695,870
2.95%, 02/28/22		275		277,354
3.17%, 09/11/27		350		357,812
3.55%, 03/05/23		180		185,922
3.66%, 02/28/27		250		263,827
4.02%, 03/05/28		200		217,400
Morgan Stanley
2.50%, 04/21/21		425		425,731
2.63%, 11/17/21		575		577,317
2.75%, 05/19/22		1,075		1,082,493
3.13%, 07/27/26		575		583,907
3.59%, 07/22/28 (Call 07/22/27)(b)		815		846,410
3.63%, 01/20/27		350		365,445
3.70%, 10/23/24(a)		150		157,377
3.74%, 04/24/24 (Call 04/24/23)(b)		300		311,745
3.75%, 02/25/23		314		326,604
3.88%, 01/27/26		480		508,598
3.97%, 07/22/38 (Call 07/22/37)(b)		250		264,315
4.00%, 07/23/25		325		346,775
4.30%, 01/27/45		395		438,004
4.38%, 01/22/47		605		682,373
4.43%, 01/23/30 (Call 01/23/29)(b)		400		441,896
4.46%, 04/22/39 (Call 04/22/38)(b)		65		72,681
5.50%, 07/28/21		234		247,427
5.75%, 01/25/21		100		104,736
6.38%, 07/24/42		578		818,558
7.25%, 04/01/32		205		289,050

Security	Par (000)		Value
Banks (continued)
Series F, 3.88%, 04/29/24	$	402	$	424,757
MUFG Americas Holdings Corp., 3.00%, 02/10/25 (Call 01/20/25)		39		39,320
National Australia Bank Ltd./New York
1.88%, 07/12/21		400		396,792
2.50%, 01/12/21		250		250,793
2.50%, 05/22/22		250		251,178
2.50%, 07/12/26		375		372,446
2.63%, 01/14/21		300		301,578
2.80%, 01/10/22		100		101,112
National Bank of Canada, 2.20%, 11/02/20 (Call 10/02/20)		250		249,495
Northern Trust Corp.
2.38%, 08/02/22		248		248,923
3.38%, 08/23/21		93		95,124
3.95%, 10/30/25		235		252,672
PNC Bank N.A.
2.15%, 04/29/21 (Call 03/30/21)		250		249,148
2.63%, 02/17/22 (Call 01/17/22)		550		554,191
3.30%, 10/30/24 (Call 09/30/24)		250		259,740
4.20%, 11/01/25 (Call 10/01/25)		250		270,282
PNC Financial Services Group Inc. (The)
2.60%, 07/23/26 (Call 05/24/26)		300		299,202
3.15%, 05/19/27 (Call 04/19/27)		140		144,452
3.30%, 03/08/22 (Call 02/06/22)		165		168,934
3.45%, 04/23/29 (Call 01/23/29)		200		209,674
3.50%, 01/23/24 (Call 12/24/23)		370		387,312
3.90%, 04/29/24 (Call 03/29/24)		700		738,675
Royal Bank of Canada
2.15%, 10/26/20		390		389,661
2.35%, 10/30/20(a)		350		350,595
2.50%, 01/19/21		125		125,388
2.75%, 02/01/22		449		454,388
3.20%, 04/30/21		334		339,237
3.70%, 10/05/23		300		314,559
4.65%, 01/27/26(a)		205		223,667
Santander UK PLC, 4.00%, 03/13/24		448		470,458
Skandinaviska Enskilda Banken AB
2.63%, 03/15/21		250		250,583
2.80%, 03/11/22		280		282,002
State Street Corp.
1.95%, 05/19/21		100		99,498
2.55%, 08/18/20		62		62,164
2.65%, 05/15/23 (Call 05/15/22)(b)		35		35,257
2.65%, 05/19/26		170		170,915
3.10%, 05/15/23		205		209,838
3.30%, 12/16/24		390		404,765
3.55%, 08/18/25(a)		75		79,235
3.70%, 11/20/23		240		253,145
3.78%, 12/03/24 (Call 12/03/23)(b)		50		52,551
4.14%, 12/03/29 (Call 12/03/28)(b)		250		276,615
4.38%, 03/07/21		70		72,321
Sumitomo Mitsui Banking Corp.
2.45%, 10/20/20		242		241,891
3.95%, 07/19/23		725		763,867
3.95%, 01/10/24		75		79,415
Sumitomo Mitsui Financial Group Inc.
2.44%, 10/19/21		50		49,963
2.70%, 07/16/24		300		299,625
2.78%, 07/12/22		175		176,533
2.78%, 10/18/22		200		201,560

4

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Banks (continued)
2.85%, 01/11/22	$	100	$	100,864
2.93%, 03/09/21		325		327,476
3.01%, 10/19/26		294		297,601
3.04%, 07/16/29		500		500,385
3.10%, 01/17/23		40		40,720
3.35%, 10/18/27		150		155,595
3.36%, 07/12/27		250		259,473
3.45%, 01/11/27		360		374,476
3.78%, 03/09/26(a)		205		217,232
3.94%, 10/16/23		1,000		1,053,740
SunTrust Bank/Atlanta GA
2.45%, 08/01/22 (Call 07/01/22)		315		314,732
2.80%, 05/17/22 (Call 04/17/22)		345		348,671
3.53%, 10/26/21 (Call 10/26/20)(b)		100		101,223
4.05%, 11/03/25 (Call 09/03/25)		250		270,067
Svenska Handelsbanken AB
2.40%, 10/01/20		350		350,241
2.45%, 03/30/21		350		350,497
3.35%, 05/24/21		250		254,528
Toronto-Dominion Bank (The)
1.80%, 07/13/21		325		322,520
1.85%, 09/11/20		125		124,469
2.13%, 04/07/21(a)		283		282,451
2.50%, 12/14/20		184		184,657
2.55%, 01/25/21		225		226,049
3.15%, 09/17/20		150		151,413
3.25%, 06/11/21		275		279,796
3.50%, 07/19/23		175		183,071
3.63%, 09/15/31 (Call 09/15/26)(a)(b)		475		481,650
U.S. Bancorp.
2.95%, 07/15/22 (Call 06/15/22)		426		433,063
3.00%, 03/15/22 (Call 02/15/22)		204		207,678
3.10%, 04/27/26 (Call 03/27/26)		400		408,736
3.38%, 02/05/24 (Call 01/05/24)		250		260,712
3.60%, 09/11/24 (Call 08/11/24)		225		235,940
3.70%, 01/30/24 (Call 12/29/23)		75		79,343
Series V, 2.38%, 07/22/26 (Call 06/22/26)		215		212,856
Series V, 2.63%, 01/24/22 (Call 12/23/21)(a)		450		453,613
Series X, 3.15%, 04/27/27 (Call 03/27/27)		425		441,928
U.S. Bank N.A./Cincinnati OH
3.10%, 05/21/21 (Call 05/21/20)(b)		250		251,533
3.15%, 04/26/21 (Call 03/26/21)		250		253,560
3.40%, 07/24/23 (Call 06/23/23)		250		259,892
UBS AG/Stamford CT, 4.88%, 08/04/20		200		204,914
Wachovia Corp., 5.50%, 08/01/35		200		242,164
Wells Fargo & Co.
2.10%, 07/26/21		275		273,633
2.50%, 03/04/21		199		199,247
2.55%, 12/07/20		88		88,200
2.63%, 07/22/22		150		150,824
3.00%, 01/22/21(a)		145		146,296
3.00%, 02/19/25(a)		955		971,416
3.00%, 04/22/26		353		357,130
3.00%, 10/23/26		380		384,165
3.07%, 01/24/23 (Call 01/24/22)		500		507,135
3.30%, 09/09/24		620		639,350
3.50%, 03/08/22(a)		1,275		1,309,208
3.55%, 09/29/25		235		245,030
3.58%, 05/22/28 (Call 05/22/27)(b)		210		219,141
3.75%, 01/24/24 (Call 12/24/23)		200		209,676

Security	Par (000)		Value
Banks (continued)
3.90%, 05/01/45	$	315	$	342,169
4.10%, 06/03/26		200		211,656
4.13%, 08/15/23		24		25,292
4.15%, 01/24/29 (Call 10/25/28)		460		502,757
4.30%, 07/22/27		400		431,260
4.40%, 06/14/46		140		153,003
4.48%, 01/16/24		269		287,505
4.60%, 04/01/21(a)		212		219,666
4.65%, 11/04/44		235		264,967
4.75%, 12/07/46		675		774,576
4.90%, 11/17/45		290		338,340
5.38%, 02/07/35		25		31,067
5.38%, 11/02/43		90		110,390
5.61%, 01/15/44		350		442,197
Series M, 3.45%, 02/13/23		430		440,935
Wells Fargo Bank N.A., 2.60%, 01/15/21		250		250,955
Westpac Banking Corp.
2.00%, 08/19/21		300		298,158
2.10%, 05/13/21		125		124,549
2.50%, 06/28/22		35		35,203
2.60%, 11/23/20		25		25,086
2.65%, 01/25/21		400		402,020
2.70%, 08/19/26(a)		50		50,400
2.75%, 01/11/23		500		506,660
2.80%, 01/11/22		300		303,645
2.85%, 05/13/26		400		407,004
3.35%, 03/08/27		350		368,238
				131,605,142
Beverages — 1.9%
Brown-Forman Corp., 4.50%, 07/15/45 (Call 01/15/45)		109		129,184
Coca-Cola Co. (The)
1.55%, 09/01/21		250		247,165
1.88%, 10/27/20		55		54,798
2.20%, 05/25/22		50		50,057
2.25%, 09/01/26		145		144,410
2.45%, 11/01/20		184		184,537
2.50%, 04/01/23(a)		100		101,364
2.55%, 06/01/26		112		113,455
2.88%, 10/27/25		600		619,272
2.90%, 05/25/27		85		88,255
3.15%, 11/15/20		75		75,875
3.20%, 11/01/23		182		189,471
3.30%, 09/01/21		226		231,426
Coca-Cola FEMSA SAB de CV, 3.88%, 11/26/23(a)		350		367,356
Diageo Capital PLC
2.63%, 04/29/23 (Call 01/29/23)		725		731,547
3.88%, 04/29/43 (Call 10/29/42)		55		59,668
5.88%, 09/30/36		100		131,855
Diageo Investment Corp.
2.88%, 05/11/22		90		91,355
4.25%, 05/11/42		69		77,466
PepsiCo Inc.
1.70%, 10/06/21 (Call 09/06/21)		425		420,546
2.15%, 10/14/20 (Call 09/14/20)(a)		200		199,894
2.25%, 05/02/22 (Call 04/02/22)		550		551,644
2.38%, 10/06/26 (Call 07/06/26)		50		49,892
2.75%, 03/05/22		125		127,029
2.75%, 03/01/23		145		148,412
2.85%, 02/24/26 (Call 11/24/25)		100		102,700
3.00%, 10/15/27 (Call 07/15/27)(a)		80		83,100

5

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Beverages (continued)
3.10%, 07/17/22 (Call 05/17/22)	$	100	$	102,513
3.13%, 11/01/20		100		101,121
3.45%, 10/06/46 (Call 04/06/46)		475		486,447
3.50%, 07/17/25 (Call 04/17/25)		110		116,686
3.60%, 03/01/24 (Call 12/01/23)		275		290,370
3.60%, 08/13/42		10		10,484
4.00%, 03/05/42		292		323,279
4.00%, 05/02/47 (Call 11/02/46)(a)		90		100,246
4.25%, 10/22/44 (Call 04/22/44)		135		154,372
4.45%, 04/14/46 (Call 10/14/45)		115		135,844
4.60%, 07/17/45 (Call 01/17/45)		75		89,992
5.50%, 01/15/40		35		45,617
				7,328,704
Biotechnology — 1.1%
Gilead Sciences Inc.
1.95%, 03/01/22 (Call 02/01/22)		90		89,231
2.50%, 09/01/23 (Call 07/01/23)		111		111,333
2.55%, 09/01/20		562		563,000
2.95%, 03/01/27 (Call 12/01/26)(a)		325		328,802
3.25%, 09/01/22 (Call 07/01/22)		30		30,710
3.50%, 02/01/25 (Call 11/01/24)		289		302,207
3.65%, 03/01/26 (Call 12/01/25)		160		168,778
3.70%, 04/01/24 (Call 01/01/24)		450		472,554
4.00%, 09/01/36 (Call 03/01/36)		75		80,264
4.15%, 03/01/47 (Call 09/01/46)		160		168,626
4.40%, 12/01/21 (Call 09/01/21)		124		129,176
4.50%, 04/01/21 (Call 01/01/21)		70		72,052
4.50%, 02/01/45 (Call 08/01/44)		240		262,841
4.60%, 09/01/35 (Call 03/01/35)		192		218,158
4.75%, 03/01/46 (Call 09/01/45)(a)		510		580,212
4.80%, 04/01/44 (Call 10/01/43)		355		403,660
5.65%, 12/01/41 (Call 06/01/41)		125		156,157
				4,137,761
Chemicals — 0.3%
Ecolab Inc.
3.25%, 12/01/27 (Call 09/01/27)(a)		75		78,147
3.95%, 12/01/47 (Call 06/01/47)		130		141,109
PPG Industries Inc., 3.60%, 11/15/20		250		253,620
Praxair Inc.
2.20%, 08/15/22 (Call 05/15/22)		94		93,868
2.45%, 02/15/22 (Call 11/15/21)(a)		260		261,375
3.00%, 09/01/21		25		25,360
3.20%, 01/30/26 (Call 10/30/25)		200		209,164
3.55%, 11/07/42 (Call 05/07/42)		165		169,161
				1,231,804
Commercial Services — 0.3%
Automatic Data Processing Inc.
2.25%, 09/15/20 (Call 08/15/20)		85		85,041
3.38%, 09/15/25 (Call 06/15/25)		162		171,623
Leland Stanford Junior University (The), 3.65%, 05/01/48 (Call 11/01/47)		50		54,660
Massachusetts Institute of Technology
4.68%, 07/01/14		40		50,971
5.60%, 07/01/11		105		163,050
President and Fellows of Harvard College, 3.15%, 07/15/46 (Call 01/15/46)(a)		175		175,814
Princeton University, 5.70%, 03/01/39		49		66,786
S&P Global Inc., 2.95%, 01/22/27 (Call 10/22/26)		225		229,282

Security	Par (000)		Value
Commercial Services (continued)
University of Southern California, 3.03%, 10/01/39	$	255	$	251,369
				1,248,596
Computers — 4.3%
Apple Inc.
1.55%, 08/04/21 (Call 07/04/21)		100		98,823
2.15%, 02/09/22(a)		319		319,160
2.25%, 02/23/21 (Call 01/23/21)(a)		950		951,805
2.30%, 05/11/22 (Call 04/11/22)(a)		100		100,468
2.40%, 01/13/23 (Call 12/13/22)		185		186,417
2.40%, 05/03/23		1,810		1,823,865
2.45%, 08/04/26 (Call 05/04/26)		150		149,771
2.50%, 02/09/22 (Call 01/09/22)		225		226,953
2.50%, 02/09/25		108		108,727
2.70%, 05/13/22		112		113,696
2.75%, 01/13/25 (Call 11/13/24)		160		163,216
2.85%, 05/06/21		242		244,868
2.85%, 02/23/23 (Call 12/23/22)		200		204,606
2.85%, 05/11/24 (Call 03/11/24)		175		179,555
2.90%, 09/12/27 (Call 06/12/27)		310		317,167
3.00%, 02/09/24 (Call 12/09/23)(a)		175		180,546
3.00%, 06/20/27 (Call 03/20/27)		100		103,129
3.00%, 11/13/27 (Call 08/13/27)(a)		475		490,689
3.20%, 05/13/25		149		155,735
3.20%, 05/11/27 (Call 02/11/27)		175		182,411
3.25%, 02/23/26 (Call 11/23/25)		255		266,597
3.35%, 02/09/27 (Call 11/09/26)		525		552,221
3.45%, 05/06/24		207		218,031
3.45%, 02/09/45		375		377,194
3.75%, 09/12/47 (Call 03/12/47)		60		63,412
3.75%, 11/13/47 (Call 05/13/47)		425		449,497
3.85%, 05/04/43		232		248,082
3.85%, 08/04/46 (Call 02/04/46)		415		444,822
4.25%, 02/09/47 (Call 08/09/46)(a)		235		265,968
4.38%, 05/13/45		290		332,920
4.45%, 05/06/44		77		89,241
4.50%, 02/23/36 (Call 08/23/35)		295		347,094
4.65%, 02/23/46 (Call 08/23/45)		500		598,405
IBM Credit LLC
3.00%, 02/06/23		300		305,760
3.45%, 11/30/20(a)		600		608,982
International Business Machines Corp.
1.88%, 08/01/22		150		148,020
2.25%, 02/19/21		250		249,898
2.80%, 05/13/21		100		100,837
2.85%, 05/13/22		300		303,849
2.88%, 11/09/22		310		314,647
2.90%, 11/01/21		125		126,408
3.00%, 05/15/24		400		409,144
3.30%, 05/15/26		425		441,362
3.30%, 01/27/27		165		171,752
3.38%, 08/01/23		200		207,284
3.45%, 02/19/26(a)		253		265,660
3.50%, 05/15/29		475		497,904
3.63%, 02/12/24		150		157,305
4.00%, 06/20/42		290		305,054
4.15%, 05/15/39		250		271,165
4.25%, 05/15/49		425		460,606
4.70%, 02/19/46		150		173,127

6

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Computers (continued)
5.60%, 11/30/39	$	250	$	320,100
7.00%, 10/30/25		40		49,807
				16,443,762
Cosmetics & Personal Care — 1.1%
Colgate-Palmolive Co.
1.95%, 02/01/23		204		202,868
2.30%, 05/03/22		85		85,457
3.70%, 08/01/47 (Call 02/01/47)		50		54,373
4.00%, 08/15/45		175		197,519
Estee Lauder Companies Inc. (The)
3.15%, 03/15/27 (Call 12/15/26)		125		130,197
4.15%, 03/15/47 (Call 09/15/46)(a)		100		113,085
Procter & Gamble Co. (The)
1.70%, 11/03/21		175		173,477
1.85%, 02/02/21		25		24,894
2.15%, 08/11/22		325		325,731
2.30%, 02/06/22		183		183,860
2.45%, 11/03/26		170		171,294
2.70%, 02/02/26(a)		190		194,826
2.85%, 08/11/27		110		114,148
3.10%, 08/15/23		295		306,378
3.50%, 10/25/47		70		74,783
5.55%, 03/05/37		50		67,218
Unilever Capital Corp.
2.00%, 07/28/26		200		193,896
2.10%, 07/30/20		97		96,950
2.60%, 05/05/24 (Call 03/05/24)		300		303,393
3.00%, 03/07/22		100		101,935
3.10%, 07/30/25		200		207,744
3.50%, 03/22/28 (Call 12/22/27)(a)		465		498,792
5.90%, 11/15/32		220		293,808
				4,116,626
Distribution & Wholesale — 0.1%
WW Grainger Inc., 4.60%, 06/15/45 (Call 12/15/44)		280		314,454
Diversified Financial Services — 3.8%
American Express Co.
2.20%, 10/30/20 (Call 09/29/20)		25		24,951
2.50%, 08/01/22 (Call 07/01/22)		572		573,808
2.65%, 12/02/22		325		327,437
3.00%, 02/22/21 (Call 01/22/21)		500		504,880
3.00%, 10/30/24 (Call 09/29/24)		575		586,000
3.40%, 02/27/23 (Call 01/27/23)		225		232,193
3.63%, 12/05/24 (Call 11/04/24)		375		391,417
3.70%, 08/03/23 (Call 07/03/23)		150		156,657
4.05%, 12/03/42		76		84,633
American Express Credit Corp.
2.25%, 05/05/21 (Call 04/05/21)		375		374,854
2.70%, 03/03/22 (Call 01/31/22)		320		322,682
3.30%, 05/03/27 (Call 04/03/27)		675		708,993
Series F, 2.60%, 09/14/20 (Call 08/14/20)		350		351,092
Ameriprise Financial Inc.
2.88%, 09/15/26 (Call 02/02/26)		200		201,528
4.00%, 10/15/23		225		238,495
Charles Schwab Corp. (The)
2.65%, 01/25/23 (Call 12/25/22)		301		304,543
3.20%, 03/02/27 (Call 12/02/26)		245		253,112
3.20%, 01/25/28 (Call 10/25/27)		145		149,715
3.25%, 05/21/21 (Call 04/21/21)		92		93,512

Security	Par (000)		Value
Diversified Financial Services (continued)
3.85%, 05/21/25 (Call 03/21/25)	$	290	$	309,088
4.00%, 02/01/29 (Call 11/01/28)		200		219,506
CME Group Inc.
3.00%, 09/15/22		173		176,912
3.00%, 03/15/25 (Call 12/15/24)		285		294,533
4.15%, 06/15/48 (Call 12/15/47)		205		234,188
5.30%, 09/15/43 (Call 03/15/43)		70		91,283
Credit Suisse USA Inc., 7.13%, 07/15/32		110		156,593
Intercontinental Exchange Inc.
2.35%, 09/15/22 (Call 08/15/22)		77		76,954
2.75%, 12/01/20 (Call 11/01/20)		185		185,810
3.10%, 09/15/27 (Call 06/15/27)		300		308,583
3.75%, 12/01/25 (Call 09/01/25)		260		277,085
3.75%, 09/21/28 (Call 06/21/28)		250		270,112
4.00%, 10/15/23		25		26,513
4.25%, 09/21/48 (Call 03/21/48)		220		251,775
Invesco Finance PLC
3.75%, 01/15/26		97		101,863
4.00%, 01/30/24		410		432,603
Mastercard Inc.
2.95%, 11/21/26 (Call 08/21/26)		400		414,128
3.38%, 04/01/24		392		412,180
3.80%, 11/21/46 (Call 05/21/46)		125		136,213
ORIX Corp.
2.90%, 07/18/22(a)		125		126,668
3.25%, 12/04/24		75		76,928
3.70%, 07/18/27		90		94,525
TD Ameritrade Holding Corp.
2.95%, 04/01/22 (Call 02/01/22)		395		400,858
3.30%, 04/01/27 (Call 01/01/27)		280		289,570
Visa Inc.
2.15%, 09/15/22 (Call 08/15/22)		375		374,932
2.20%, 12/14/20 (Call 11/14/20)		310		310,347
2.75%, 09/15/27 (Call 06/15/27)(a)		25		25,554
2.80%, 12/14/22 (Call 10/14/22)		450		458,680
3.15%, 12/14/25 (Call 09/14/25)		700		730,548
3.65%, 09/15/47 (Call 03/15/47)		295		319,689
4.15%, 12/14/35 (Call 06/14/35)(a)		360		419,076
4.30%, 12/14/45 (Call 06/14/45)		375		445,346
				14,329,145
Electric — 5.0%
AEP Transmission Co. LLC, 3.75%, 12/01/47 (Call 06/01/47)		165		171,186
Alabama Power Co.
3.75%, 03/01/45 (Call 09/01/44)		40		41,602
6.00%, 03/01/39		100		134,082
Series 17-A, 2.45%, 03/30/22 (Call 02/28/22)		10		10,032
Series A, 4.30%, 07/15/48 (Call 01/15/48)		100		113,162
Series B, 3.70%, 12/01/47 (Call 06/01/47)		90		93,378
Ameren Illinois Co., 3.70%, 12/01/47 (Call 06/01/47)		356		371,689
Arizona Public Service Co., 4.35%, 11/15/45 (Call 05/15/45)		70		77,944
Baltimore Gas & Electric Co., 3.50%, 08/15/46 (Call 02/15/46)		45		44,766
Berkshire Hathaway Energy Co.
3.75%, 11/15/23 (Call 08/15/23)		90		94,629
3.80%, 07/15/48 (Call 01/15/48)		50		51,838
4.45%, 01/15/49 (Call 07/15/48)		250		286,962
4.50%, 02/01/45 (Call 08/01/44)		125		142,777
5.15%, 11/15/43 (Call 05/15/43)		75		92,675
5.95%, 05/15/37		25		33,150
6.13%, 04/01/36		125		169,789

7

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Electric (continued)
CenterPoint Energy Houston Electric LLC
3.55%, 08/01/42 (Call 02/01/42)(a)	$	50	$	50,629
4.50%, 04/01/44 (Call 10/01/43)		90		103,928
Commonwealth Edison Co.
2.55%, 06/15/26 (Call 03/15/26)		165		164,559
3.65%, 06/15/46 (Call 12/15/45)		175		182,206
4.00%, 03/01/48 (Call 09/01/47)		260		287,420
5.90%, 03/15/36(a)		75		98,206
Series 123, 3.75%, 08/15/47 (Call 02/15/47)		60		63,212
Consolidated Edison Co. of New York Inc.
3.85%, 06/15/46 (Call 12/15/45)(a)		135		140,963
3.95%, 03/01/43 (Call 09/01/42)		87		92,013
4.45%, 03/15/44 (Call 09/15/43)		195		220,274
4.50%, 12/01/45 (Call 06/01/45)		60		68,534
4.63%, 12/01/54 (Call 06/01/54)		225		260,212
Series 07-A, 6.30%, 08/15/37		70		93,965
Series 08-B, 6.75%, 04/01/38		104		148,969
Series 09-C, 5.50%, 12/01/39		160		204,181
Series 2017, 3.88%, 06/15/47 (Call 12/15/46)		135		141,585
Series C, 4.30%, 12/01/56 (Call 06/01/56)		25		27,455
Series D, 4.00%, 12/01/28 (Call 09/01/28)		500		551,755
Consumers Energy Co., 4.35%, 04/15/49 (Call 10/15/48)		100		117,032
Delmarva Power & Light Co., 3.50%, 11/15/23 (Call 08/15/23)		160		167,045
Dominion Energy South Carolina Inc.
4.35%, 02/01/42 (Call 08/01/41)		37		40,871
5.10%, 06/01/65 (Call 12/01/64)		75		94,899
6.05%, 01/15/38		25		32,947
DTE Electric Co.
3.70%, 03/15/45 (Call 09/15/44)		100		104,945
3.95%, 03/01/49 (Call 09/01/48)		200		220,834
Duke Energy Carolinas LLC
2.50%, 03/15/23 (Call 01/15/23)		124		125,157
2.95%, 12/01/26 (Call 09/01/26)		65		66,557
3.05%, 03/15/23 (Call 03/15/23)		105		108,002
3.70%, 12/01/47 (Call 06/01/47)		65		67,623
3.75%, 06/01/45 (Call 12/01/44)		25		26,157
3.88%, 03/15/46 (Call 09/15/45)		200		213,206
3.95%, 11/15/28 (Call 08/15/28)		100		110,199
4.00%, 09/30/42 (Call 03/30/42)		75		81,012
4.25%, 12/15/41 (Call 06/15/41)		375		416,231
5.30%, 02/15/40		88		111,366
6.00%, 01/15/38		70		93,969
6.05%, 04/15/38		125		169,086
6.10%, 06/01/37		230		306,470
Duke Energy Florida LLC
3.20%, 01/15/27 (Call 10/15/26)		125		129,421
3.40%, 10/01/46 (Call 04/01/46)		200		196,948
3.80%, 07/15/28 (Call 04/15/28)		575		624,139
6.40%, 06/15/38		135		192,301
Duke Energy Indiana LLC, 3.75%, 05/15/46 (Call 12/15/45)		25		25,905
Duke Energy Progress LLC
2.80%, 05/15/22 (Call 02/15/22)		40		40,532
3.00%, 09/15/21 (Call 06/15/21)		510		517,308
3.60%, 09/15/47 (Call 03/15/47)		10		10,168
4.10%, 03/15/43 (Call 09/15/42)		75		81,737
4.15%, 12/01/44 (Call 06/01/44)		50		55,085
4.20%, 08/15/45 (Call 02/15/45)		70		78,375
Entergy Arkansas LLC, 3.50%, 04/01/26 (Call 01/01/26)		224		234,671

Security	Par (000)		Value
Electric (continued)
Entergy Louisiana LLC
4.00%, 03/15/33 (Call 12/15/32)	$	145	$	160,770
4.20%, 09/01/48 (Call 03/01/48)		125		139,944
Florida Power & Light Co.
2.75%, 06/01/23 (Call 12/01/22)		59		59,868
3.13%, 12/01/25 (Call 06/01/25)		151		157,775
3.25%, 06/01/24 (Call 12/01/23)		185		192,657
3.70%, 12/01/47 (Call 06/01/47)		165		174,751
3.95%, 03/01/48 (Call 09/01/47)		150		165,417
4.05%, 06/01/42 (Call 12/01/41)(a)		50		55,107
4.05%, 10/01/44 (Call 04/01/44)		75		83,297
4.13%, 02/01/42 (Call 08/01/41)		30		33,458
4.13%, 06/01/48 (Call 12/01/47)		100		113,474
5.69%, 03/01/40		30		39,617
5.95%, 02/01/38(a)		240		326,002
5.96%, 04/01/39		110		149,886
Georgia Power Co.
4.30%, 03/15/42		429		459,751
Series 10-C, 4.75%, 09/01/40		24		27,007
Kentucky Utilities Co.
3.25%, 11/01/20 (Call 08/01/20)		87		87,820
5.13%, 11/01/40 (Call 05/01/40)		84		103,019
MidAmerican Energy Co.
3.50%, 10/15/24 (Call 07/15/24)		150		157,918
3.65%, 04/15/29 (Call 01/15/29)(a)		125		135,695
3.65%, 08/01/48 (Call 02/01/48)		25		26,195
4.25%, 07/15/49 (Call 01/15/49)(a)		75		86,857
National Rural Utilities Cooperative Finance Corp.
2.85%, 01/27/25 (Call 10/27/24)		50		50,976
3.40%, 02/07/28 (Call 11/07/27)		75		79,398
4.02%, 11/01/32 (Call 05/01/32)		95		106,351
4.30%, 03/15/49 (Call 09/15/48)		170		193,025
Northern States Power Co./MN
3.40%, 08/15/42 (Call 02/15/42)		25		25,188
3.60%, 09/15/47 (Call 03/15/47)		85		87,899
NSTAR Electric Co., 3.20%, 05/15/27 (Call 02/15/27)		170		175,413
Ohio Power Co., Series M, 5.38%, 10/01/21		115		122,265
Oncor Electric Delivery Co. LLC
3.75%, 04/01/45 (Call 10/01/44)		98		103,739
5.30%, 06/01/42 (Call 12/01/41)(a)		95		120,017
7.00%, 09/01/22		20		22,707
7.00%, 05/01/32		115		162,201
PacifiCorp
4.13%, 01/15/49 (Call 07/15/48)		325		364,341
5.75%, 04/01/37		315		406,426
6.00%, 01/15/39(a)		150		201,823
6.25%, 10/15/37		75		102,376
PECO Energy Co., 3.90%, 03/01/48 (Call 09/01/47)		125		135,520
Public Service Co. of Colorado, 3.60%, 09/15/42 (Call 03/15/42)		114		116,536
Public Service Electric & Gas Co.
2.38%, 05/15/23 (Call 02/15/23)		144		144,367
3.80%, 03/01/46 (Call 09/01/45)		11		11,735
San Diego Gas & Electric Co.
2.50%, 05/15/26 (Call 02/15/26)		145		142,335
4.50%, 08/15/40		115		128,067
Southern California Edison Co.
3.88%, 06/01/21 (Call 03/01/21)(a)		129		131,442
4.00%, 04/01/47 (Call 10/01/46)		75		76,766
4.50%, 09/01/40 (Call 03/01/40)		75		81,142

8

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Electric (continued)
4.65%, 10/01/43 (Call 04/01/43)	$	115	$	128,093
5.50%, 03/15/40		149		178,655
6.00%, 01/15/34		25		30,662
6.05%, 03/15/39(a)		50		63,204
Series 08-A, 5.95%, 02/01/38(a)		132		165,315
Series A, 4.20%, 03/01/29 (Call 12/01/28)		115		125,495
Series B, 4.88%, 03/01/49 (Call 09/01/48)		100		116,226
Series C, 3.50%, 10/01/23 (Call 07/01/23)		165		169,523
Series C, 4.13%, 03/01/48 (Call 09/01/47)		260		270,075
Virginia Electric & Power Co.
4.00%, 01/15/43 (Call 07/15/42)		100		107,011
4.45%, 02/15/44 (Call 08/15/43)		73		83,148
4.60%, 12/01/48 (Call 06/01/48)		200		237,962
8.88%, 11/15/38		176		291,695
Series A, 3.15%, 01/15/26 (Call 10/15/25)		286		296,442
Series A, 3.50%, 03/15/27 (Call 12/15/26)		150		158,076
Series A, 6.00%, 05/15/37		85		110,750
Series B, 3.80%, 09/15/47 (Call 03/15/47)		35		36,657
Series C, 2.75%, 03/15/23 (Call 12/15/22)		119		120,446
Series C, 4.00%, 11/15/46 (Call 05/15/46)		90		97,090
Westar Energy Inc., 4.13%, 03/01/42 (Call 09/01/41)		34		36,901
				18,741,691
Electrical Components & Equipment — 0.1%
Emerson Electric Co.
2.63%, 12/01/21 (Call 11/01/21)		382		385,060
2.63%, 02/15/23 (Call 11/15/22)		57		58,219
				443,279
Electronics — 0.3%
Honeywell International Inc.
1.85%, 11/01/21 (Call 10/01/21)		510		505,614
2.50%, 11/01/26 (Call 08/01/26)		333		334,026
4.25%, 03/01/21		125		128,936
Tyco Electronics Group SA, 3.50%, 02/03/22 (Call 11/03/21)		35		35,763
				1,004,339
Food — 0.0%
Hershey Co. (The), 2.30%, 08/15/26 (Call 05/15/26)		160		158,339
Forest Products & Paper — 0.1%
Georgia-Pacific LLC
7.75%, 11/15/29		171		242,813
8.00%, 01/15/24		110		134,844
				377,657
Gas — 0.2%
Atmos Energy Corp.
3.00%, 06/15/27 (Call 03/15/27)(a)		15		15,349
4.13%, 10/15/44 (Call 04/15/44)		55		60,768
4.15%, 01/15/43 (Call 07/15/42)		65		71,426
4.30%, 10/01/48 (Call 04/01/48)		125		142,379
Dominion Energy Gas Holdings LLC
2.80%, 11/15/20 (Call 10/15/20)		35		35,137
4.60%, 12/15/44 (Call 06/15/44)		25		28,343
ONE Gas Inc., 4.66%, 02/01/44 (Call 08/01/43)		60		69,753
Southern California Gas Co.
3.15%, 09/15/24 (Call 06/15/24)		65		67,321
Series TT, 2.60%, 06/15/26 (Call 03/15/26)		105		103,950
				594,426
Hand & Machine Tools — 0.0%
Stanley Black & Decker Inc., 2.90%, 11/01/22(a)		145		147,069

Security	Par (000)		Value
Health Care – Products — 0.6%
Danaher Corp.
2.40%, 09/15/20 (Call 08/15/20)	$	25	$	24,999
3.35%, 09/15/25 (Call 06/15/25)		95		99,316
4.38%, 09/15/45 (Call 03/15/45)		190		211,611
Medtronic Inc.
2.75%, 04/01/23 (Call 01/01/23)		100		102,037
3.15%, 03/15/22		305		312,546
3.50%, 03/15/25		578		612,310
4.38%, 03/15/35(a)		250		292,167
4.63%, 03/15/45(a)		445		552,636
				2,207,622
Health Care – Services — 2.0%
Ascension Health, 3.95%, 11/15/46		290		313,296
Duke University Health System Inc., Series 2017, 3.92%, 06/01/47 (Call 12/01/46)		50		55,013
Kaiser Foundation Hospitals
3.15%, 05/01/27 (Call 02/01/27)		180		186,084
4.15%, 05/01/47 (Call 11/01/46)		280		315,092
4.88%, 04/01/42		45		55,067
New York and Presbyterian Hospital (The), 4.02%, 08/01/45		40		44,850
Northwell Healthcare Inc.
3.98%, 11/01/46 (Call 11/01/45)		180		184,469
4.26%, 11/01/47 (Call 11/01/46)		150		159,602
SSM Health Care Corp., Series A, 3.82%, 06/01/27 (Call 03/01/27)(a)		10		10,537
UnitedHealth Group Inc.
2.13%, 03/15/21		125		124,649
2.88%, 12/15/21		25		25,327
2.88%, 03/15/22 (Call 12/15/21)		135		136,706
2.88%, 03/15/23		4		4,074
2.88%, 08/15/29		100		100,292
2.95%, 10/15/27		80		81,443
3.10%, 03/15/26		205		211,447
3.35%, 07/15/22		50		51,483
3.38%, 11/15/21 (Call 08/15/21)(a)		125		127,624
3.38%, 04/15/27		75		78,735
3.45%, 01/15/27		100		105,089
3.50%, 06/15/23		250		260,832
3.50%, 02/15/24		850		890,222
3.50%, 08/15/39 (Call 02/15/39)		200		201,352
3.70%, 08/15/49 (Call 02/15/49)		250		252,730
3.75%, 07/15/25		710		756,966
3.75%, 10/15/47 (Call 04/15/47)		110		112,595
3.85%, 06/15/28		110		119,219
3.88%, 12/15/28		150		163,260
3.88%, 08/15/59 (Call 02/15/59)		200		201,182
3.95%, 10/15/42 (Call 04/15/42)		75		78,353
4.20%, 01/15/47 (Call 07/15/46)		50		54,674
4.25%, 03/15/43 (Call 09/15/42)		45		49,327
4.25%, 04/15/47 (Call 10/15/46)		100		109,788
4.38%, 03/15/42 (Call 09/15/41)		50		55,166
4.45%, 12/15/48 (Call 06/15/48)		350		399,308
4.63%, 07/15/35		210		245,885
4.63%, 11/15/41 (Call 05/15/41)		75		85,830
4.75%, 07/15/45		250		293,067
5.80%, 03/15/36		80		103,302
6.50%, 06/15/37		50		69,142

9

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Health Care – Services (continued)
6.63%, 11/15/37	$	275	$	386,240
6.88%, 02/15/38		135		195,291
				7,454,610
Household Products & Wares — 0.1%
Kimberly-Clark Corp.
3.20%, 07/30/46 (Call 01/30/46)		60		58,001
6.63%, 08/01/37		144		206,674
				264,675
Insurance — 3.6%
Aflac Inc.
3.63%, 06/15/23		145		151,687
3.63%, 11/15/24		372		391,634
4.75%, 01/15/49 (Call 07/15/48)		95		112,317
Allstate Corp. (The)
3.15%, 06/15/23		82		84,531
3.28%, 12/15/26 (Call 09/15/26)		110		115,821
4.20%, 12/15/46 (Call 06/15/46)(a)		200		224,030
4.50%, 06/15/43(a)		159		185,257
5.55%, 05/09/35		140		175,139
Berkshire Hathaway Finance Corp.
2.90%, 10/15/20		45		45,364
3.00%, 05/15/22		206		210,862
4.20%, 08/15/48 (Call 02/15/48)		190		213,455
4.25%, 01/15/21		150		154,521
4.25%, 01/15/49 (Call 07/15/48)		125		141,524
4.30%, 05/15/43(a)		73		82,659
4.40%, 05/15/42		175		201,511
5.75%, 01/15/40		22		29,291
Berkshire Hathaway Inc.
2.20%, 03/15/21 (Call 02/15/21)		190		190,245
2.75%, 03/15/23 (Call 01/15/23)		405		413,035
3.00%, 02/11/23(a)		373		382,989
3.13%, 03/15/26 (Call 12/15/25)		340		352,135
3.40%, 01/31/22(a)		175		180,451
3.75%, 08/15/21		25		25,778
4.50%, 02/11/43(a)		550		644,721
Chubb Corp. (The), 6.00%, 05/11/37		74		100,024
Chubb INA Holdings Inc.
2.30%, 11/03/20 (Call 10/03/20)		160		160,016
2.88%, 11/03/22 (Call 09/03/22)		400		406,824
3.15%, 03/15/25		482		500,027
3.35%, 05/15/24		45		47,080
3.35%, 05/03/26 (Call 02/03/26)(a)		50		52,519
4.35%, 11/03/45 (Call 05/03/45)		115		135,895
Loews Corp.
2.63%, 05/15/23 (Call 02/15/23)		242		244,178
3.75%, 04/01/26 (Call 01/01/26)		235		248,132
4.13%, 05/15/43 (Call 11/15/42)		70		73,937
Manulife Financial Corp.
4.15%, 03/04/26		335		362,644
5.38%, 03/04/46		150		186,070
Marsh & McLennan Companies Inc.
2.75%, 01/30/22 (Call 12/30/21)		68		68,704
3.50%, 12/29/20		100		101,466
3.50%, 06/03/24 (Call 03/03/24)(a)		105		109,324
3.50%, 03/10/25 (Call 12/10/24)		120		125,029
3.75%, 03/14/26 (Call 12/14/25)		125		132,479
3.88%, 03/15/24 (Call 02/15/24)		85		90,052
4.20%, 03/01/48 (Call 09/01/47)		200		217,432

Security	Par (000)		Value
Insurance (continued)
4.35%, 01/30/47 (Call 07/30/46)	$	75	$	83,016
4.38%, 03/15/29 (Call 12/15/28)		305		339,261
4.80%, 07/15/21 (Call 04/15/21)(a)		61		63,323
4.90%, 03/15/49 (Call 09/15/48)		150		181,125
MetLife Inc.
3.00%, 03/01/25(a)		110		112,542
3.60%, 04/10/24		195		205,388
3.60%, 11/13/25 (Call 08/13/25)		142		150,594
4.05%, 03/01/45		218		235,390
4.13%, 08/13/42		146		157,968
4.60%, 05/13/46 (Call 12/13/45)		20		23,457
4.88%, 11/13/43		215		257,441
5.70%, 06/15/35		75		97,139
5.88%, 02/06/41		200		263,038
6.38%, 06/15/34		75		102,778
6.50%, 12/15/32		115		157,129
Series D, 4.37%, 09/15/23		172		185,538
Progressive Corp. (The)
2.45%, 01/15/27(a)		340		336,576
4.13%, 04/15/47 (Call 10/15/46)		310		346,493
Prudential Financial Inc.
3.50%, 05/15/24(a)		110		116,121
3.88%, 03/27/28 (Call 12/27/27)(a)		50		54,583
3.91%, 12/07/47 (Call 06/07/47)		120		126,353
3.94%, 12/07/49 (Call 06/07/49)		283		300,170
4.60%, 05/15/44		170		197,394
5.70%, 12/14/36		65		83,608
Travelers Companies Inc. (The)
3.75%, 05/15/46 (Call 11/15/45)		270		286,038
3.90%, 11/01/20		300		305,772
4.00%, 05/30/47 (Call 11/30/46)		60		66,240
4.60%, 08/01/43		40		47,376
5.35%, 11/01/40		121		155,081
6.25%, 06/15/37		315		434,993
Travelers Property Casualty Corp., 6.38%, 03/15/33		84		115,274
				13,657,988
Internet — 1.9%
Alibaba Group Holding Ltd.
3.40%, 12/06/27 (Call 09/06/27)		500		509,875
3.60%, 11/28/24 (Call 08/28/24)		450		467,685
4.20%, 12/06/47 (Call 06/06/47)		640		684,192
4.50%, 11/28/34 (Call 05/28/34)		225		250,963
Alphabet Inc.
2.00%, 08/15/26 (Call 05/15/26)		245		239,446
3.38%, 02/25/24		267		281,309
3.63%, 05/19/21		115		118,069
Amazon.com Inc.
1.90%, 08/21/20		150		149,592
2.40%, 02/22/23 (Call 01/22/23)(a)		325		327,584
2.50%, 11/29/22 (Call 08/29/22)		445		449,472
2.80%, 08/22/24 (Call 06/22/24)		400		409,888
3.15%, 08/22/27 (Call 05/22/27)		875		916,764
3.88%, 08/22/37 (Call 02/22/37)		225		248,728
4.05%, 08/22/47 (Call 02/22/47)(a)		600		681,666
4.25%, 08/22/57 (Call 02/22/57)		250		291,342
4.80%, 12/05/34 (Call 06/05/34)		100		122,641
4.95%, 12/05/44 (Call 06/05/44)		255		324,587
5.20%, 12/03/25 (Call 09/03/25)		100		116,191

10

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Internet (continued)
Baidu Inc.
3.50%, 11/28/22	$	194	$	197,729
3.63%, 07/06/27		100		101,179
3.88%, 09/29/23 (Call 08/29/23)		350		364,213
				7,253,115
Leisure Time — 0.0%
Carnival Corp., 3.95%, 10/15/20		25		25,439
Machinery — 1.5%
ABB Finance USA Inc.
2.88%, 05/08/22		297		300,989
4.38%, 05/08/42		62		72,789
Caterpillar Financial Services Corp.
2.40%, 06/06/22		110		110,330
2.55%, 11/29/22		85		85,721
2.85%, 06/01/22		45		45,693
3.15%, 09/07/21		300		305,889
3.45%, 05/15/23		50		51,978
3.65%, 12/07/23		625		657,606
3.75%, 11/24/23(a)		130		137,530
Caterpillar Inc.
2.60%, 06/26/22 (Call 03/26/22)		100		100,810
3.40%, 05/15/24 (Call 02/15/24)(a)		460		482,227
3.80%, 08/15/42(a)		330		354,341
3.90%, 05/27/21		75		77,173
4.75%, 05/15/64 (Call 11/15/63)		100		119,968
5.20%, 05/27/41		95		121,137
Cummins Inc., 3.65%, 10/01/23 (Call 07/01/23)		487		511,282
Deere & Co.
2.60%, 06/08/22 (Call 03/08/22)		151		152,247
3.90%, 06/09/42 (Call 12/09/41)		114		125,804
5.38%, 10/16/29		100		122,552
John Deere Capital Corp.
2.15%, 09/08/22(a)		75		74,722
2.30%, 06/07/21		100		100,045
2.60%, 03/07/24		200		201,638
2.65%, 01/06/22		25		25,219
2.65%, 06/24/24(a)		35		35,578
2.65%, 06/10/26(a)		135		136,697
2.80%, 03/04/21		38		38,328
2.80%, 01/27/23(a)		75		76,332
2.80%, 03/06/23		260		264,839
2.80%, 09/08/27		110		111,708
2.80%, 07/18/29		100		100,684
3.15%, 10/15/21		50		50,873
3.20%, 01/10/22		130		132,853
3.35%, 06/12/24		50		52,169
3.65%, 10/12/23		250		263,617
3.90%, 07/12/21(a)		90		92,722
				5,694,090
Manufacturing — 0.8%
3M Co.
1.63%, 09/19/21 (Call 08/19/21)		40		39,518
2.00%, 06/26/22		100		99,645
2.25%, 03/15/23 (Call 02/15/23)(a)		100		100,152
2.25%, 09/19/26 (Call 06/19/26)(a)		160		157,502
2.88%, 10/15/27 (Call 07/15/27)(a)		275		281,267
3.00%, 08/07/25		182		187,977
3.13%, 09/19/46 (Call 03/19/46)		122		113,752
3.63%, 09/14/28 (Call 06/14/28)		350		377,353

Security	Par (000)		Value
Manufacturing (continued)
3.63%, 10/15/47 (Call 04/15/47)	$	135	$	136,453
4.00%, 09/14/48 (Call 03/14/48)		240		258,643
5.70%, 03/15/37(a)		35		45,602
Illinois Tool Works Inc.
2.65%, 11/15/26 (Call 08/15/26)		476		482,773
3.50%, 03/01/24 (Call 12/01/23)		57		59,774
3.90%, 09/01/42 (Call 03/01/42)		200		220,648
Parker-Hannifin Corp.
3.25%, 03/01/27 (Call 12/01/26)(a)		200		205,820
3.30%, 11/21/24 (Call 08/21/24)		72		74,467
4.10%, 03/01/47 (Call 09/01/46)(a)		90		96,056
4.20%, 11/21/34 (Call 05/21/34)		100		109,905
4.45%, 11/21/44 (Call 05/21/44)		100		110,939
				3,158,246
Media — 4.0%
Comcast Cable Communications Holdings Inc., 9.46%, 11/15/22		70		85,633
Comcast Corp.
2.35%, 01/15/27 (Call 10/15/26)		185		180,819
2.75%, 03/01/23 (Call 02/01/23)		221		224,527
2.85%, 01/15/23		51		51,961
3.00%, 02/01/24 (Call 01/01/24)(a)		25		25,653
3.13%, 07/15/22		100		102,532
3.15%, 03/01/26 (Call 12/01/25)		750		777,202
3.15%, 02/15/28 (Call 11/15/27)		325		333,346
3.20%, 07/15/36 (Call 01/15/36)		257		251,994
3.30%, 10/01/20		150		151,740
3.30%, 02/01/27 (Call 11/01/26)		300		311,079
3.38%, 02/15/25 (Call 11/15/24)		85		88,516
3.38%, 08/15/25 (Call 05/15/25)		360		375,656
3.40%, 07/15/46 (Call 01/15/46)		438		422,832
3.45%, 10/01/21		50		51,258
3.55%, 05/01/28 (Call 02/01/28)		100		105,523
3.60%, 03/01/24		300		315,876
3.70%, 04/15/24 (Call 03/15/24)		350		370,044
3.90%, 03/01/38 (Call 09/01/37)		200		213,714
3.95%, 10/15/25 (Call 08/15/25)		275		295,955
3.97%, 11/01/47 (Call 05/01/47)		244		256,212
4.00%, 08/15/47 (Call 02/15/47)		60		63,321
4.00%, 03/01/48 (Call 09/01/47)		290		306,840
4.00%, 11/01/49 (Call 05/01/49)		441		465,396
4.05%, 11/01/52 (Call 05/01/52)		234		248,817
4.15%, 10/15/28 (Call 07/15/28)		375		413,242
4.20%, 08/15/34 (Call 02/15/34)		105		116,930
4.25%, 10/15/30 (Call 07/15/30)		400		447,624
4.25%, 01/15/33		350		392,329
4.40%, 08/15/35 (Call 02/25/35)		125		140,762
4.50%, 01/15/43		220		247,326
4.60%, 10/15/38 (Call 04/15/38)		260		301,005
4.60%, 08/15/45 (Call 02/15/45)		175		200,611
4.65%, 07/15/42(a)		325		375,463
4.70%, 10/15/48 (Call 04/15/48)		300		352,044
4.75%, 03/01/44		132		153,471
4.95%, 10/15/58 (Call 04/15/58)		350		422,737
5.65%, 06/15/35		75		94,981
6.40%, 05/15/38		95		130,018
6.45%, 03/15/37		125		170,801
6.50%, 11/15/35		50		68,117
6.95%, 08/15/37		125		179,252
7.05%, 03/15/33		25		35,110

11

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Media (continued)
NBCUniversal Media LLC
2.88%, 01/15/23	$	57	$	58,123
4.38%, 04/01/21		400		413,872
4.45%, 01/15/43		235		260,460
5.95%, 04/01/41		25		33,005
TWDC Enterprises 18 Corp.
1.85%, 07/30/26		89		86,326
2.15%, 09/17/20		50		49,991
2.30%, 02/12/21		25		25,046
2.35%, 12/01/22		199		199,890
2.45%, 03/04/22		50		50,307
2.95%, 06/15/27(a)		110		114,862
3.00%, 02/13/26		225		233,809
3.00%, 07/30/46		95		90,544
3.15%, 09/17/25(a)		275		289,198
3.70%, 12/01/42		325		346,102
4.13%, 06/01/44(a)		310		354,057
Series E, 4.13%, 12/01/41		189		210,794
Walt Disney Co. (The)
3.70%, 09/15/24 (Call 06/15/24)(c)		500		529,995
4.50%, 02/15/21(c)		500		516,810
4.75%, 09/15/44 (Call 03/15/44)(a)(c)		425		523,222
6.90%, 08/15/39(c)		400		598,132
				15,302,814
Metal Fabricate & Hardware — 0.2%
Precision Castparts Corp.
2.50%, 01/15/23 (Call 10/15/22)		262		263,532
3.25%, 06/15/25 (Call 03/15/25)		342		355,222
3.90%, 01/15/43 (Call 07/15/42)		200		210,982
				829,736
Mining — 0.5%
BHP Billiton Finance USA Ltd.
2.88%, 02/24/22		301		304,702
3.25%, 11/21/21(a)		75		76,512
4.13%, 02/24/42		50		55,812
5.00%, 09/30/43		350		438,403
Rio Tinto Alcan Inc., 6.13%, 12/15/33		395		528,502
Rio Tinto Finance USA Ltd.
3.75%, 06/15/25 (Call 03/15/25)		60		64,096
5.20%, 11/02/40		100		125,130
7.13%, 07/15/28		127		170,932
Rio Tinto Finance USA PLC
4.13%, 08/21/42 (Call 02/21/42)		220		245,210
4.75%, 03/22/42 (Call 09/22/41)		50		60,067
				2,069,366
Oil & Gas — 5.2%
BP Capital Markets America Inc.
2.11%, 09/16/21 (Call 08/16/21)		200		199,302
2.75%, 05/10/23(a)		400		404,764
3.02%, 01/16/27 (Call 10/16/26)		216		220,508
3.12%, 05/04/26 (Call 02/04/26)		130		133,623
3.22%, 11/28/23 (Call 09/28/23)		210		216,348
3.22%, 04/14/24 (Call 02/14/24)		120		123,778
3.59%, 04/14/27 (Call 01/14/27)		125		131,756
3.79%, 02/06/24 (Call 01/06/24)		250		263,982
3.80%, 09/21/25 (Call 07/21/25)		145		154,422
4.50%, 10/01/20		97		99,417
4.74%, 03/11/21		12		12,464

Security	Par (000)		Value
Oil & Gas (continued)
BP Capital Markets PLC
2.50%, 11/06/22	$	200	$	201,074
3.06%, 03/17/22		125		127,471
3.28%, 09/19/27 (Call 06/19/27)		675		698,794
3.51%, 03/17/25(a)		100		104,997
3.54%, 11/04/24		55		57,731
3.56%, 11/01/21		375		384,829
3.72%, 11/28/28 (Call 08/28/28)		75		80,286
3.81%, 02/10/24		120		126,755
3.99%, 09/26/23		50		53,101
Burlington Resources LLC
5.95%, 10/15/36		25		32,806
7.20%, 08/15/31		30		42,101
Chevron Corp.
2.10%, 05/16/21 (Call 04/15/21)		215		214,849
2.36%, 12/05/22 (Call 09/05/22)		125		125,763
2.41%, 03/03/22 (Call 01/03/22)		110		110,699
2.42%, 11/17/20 (Call 10/17/20)		115		115,476
2.50%, 03/03/22 (Call 02/03/22)		253		255,092
2.90%, 03/03/24 (Call 01/03/24)		120		123,538
2.95%, 05/16/26 (Call 02/16/26)		535		553,538
3.19%, 06/24/23 (Call 03/24/23)		750		777,330
3.33%, 11/17/25 (Call 08/17/25)		165		174,334
Conoco Funding Co., 7.25%, 10/15/31		189		265,050
ConocoPhillips
5.90%, 10/15/32		100		129,443
5.90%, 05/15/38		65		86,100
6.50%, 02/01/39		425		601,073
ConocoPhillips Co.
4.30%, 11/15/44 (Call 05/15/44)		300		336,180
4.95%, 03/15/26 (Call 12/15/25)		320		364,522
5.95%, 03/15/46 (Call 09/15/45)		50		69,283
ConocoPhillips Holding Co., 6.95%, 04/15/29		165		221,983
EOG Resources Inc., 4.10%, 02/01/21		200		205,666
Exxon Mobil Corp.
2.22%, 03/01/21 (Call 02/01/21)		520		520,759
2.40%, 03/06/22 (Call 01/06/22)		95		95,601
2.71%, 03/06/25 (Call 12/06/24)		340		347,028
2.73%, 03/01/23 (Call 01/01/23)		200		203,674
3.04%, 03/01/26 (Call 12/01/25)		275		285,656
3.18%, 03/15/24 (Call 12/15/23)(a)		201		209,331
3.57%, 03/06/45 (Call 09/06/44)		75		78,651
4.11%, 03/01/46 (Call 09/01/45)		460		527,799
Occidental Petroleum Corp.
2.70%, 02/15/23 (Call 08/15/22)		258		258,480
3.13%, 02/15/22 (Call 11/15/21)		200		202,454
3.40%, 04/15/26 (Call 01/15/26)		305		310,093
3.50%, 06/15/25 (Call 03/15/25)		95		97,532
4.10%, 02/15/47 (Call 08/15/46)		195		189,753
4.20%, 03/15/48 (Call 09/15/47)(a)		150		148,392
4.40%, 04/15/46 (Call 10/15/45)		275		280,313
4.63%, 06/15/45 (Call 12/15/44)		125		130,724
Series 1, 4.10%, 02/01/21 (Call 11/01/20)		75		76,530
Shell International Finance BV
1.75%, 09/12/21		277		274,371
1.88%, 05/10/21		450		447,466
2.25%, 11/10/20		220		220,112
2.25%, 01/06/23(a)		505		505,606
2.38%, 08/21/22		100		100,421
2.50%, 09/12/26		285		284,632

12

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Oil & Gas (continued)
2.88%, 05/10/26	$	196	$	201,120
3.25%, 05/11/25		225		235,177
3.40%, 08/12/23		140		146,104
3.50%, 11/13/23 (Call 10/13/23)(a)		125		131,173
3.63%, 08/21/42		20		20,604
3.75%, 09/12/46		440		469,608
3.88%, 11/13/28 (Call 08/23/28)(a)		100		109,749
4.00%, 05/10/46		505		558,894
4.13%, 05/11/35(a)		475		534,551
4.38%, 05/11/45		160		185,078
4.55%, 08/12/43		392		460,968
5.50%, 03/25/40		45		58,399
6.38%, 12/15/38		315		449,760
Total Capital Canada Ltd., 2.75%, 07/15/23		166		168,789
Total Capital International SA
2.70%, 01/25/23		100		101,525
2.75%, 06/19/21(a)		75		75,721
2.88%, 02/17/22		119		120,800
3.70%, 01/15/24		208		219,712
3.75%, 04/10/24		345		366,832
Total Capital SA
3.88%, 10/11/28		510		560,883
4.25%, 12/15/21		7		7,314
				19,578,367
Oil & Gas Services — 0.2%
Baker Hughes a GE Co. LLC
3.20%, 08/15/21 (Call 05/15/21)		230		233,020
5.13%, 09/15/40(a)		215		239,070
Baker Hughes a GE Co. LLC/Baker Hughes Co-Obligor Inc.
3.34%, 12/15/27 (Call 09/15/27)		105		106,305
4.08%, 12/15/47 (Call 06/15/47)		185		180,508
Schlumberger Investment SA, 3.65%, 12/01/23 (Call 09/01/23)		120		125,544
				884,447
Pharmaceuticals — 6.0%
AmerisourceBergen Corp.
3.25%, 03/01/25 (Call 12/01/24)		75		76,673
3.40%, 05/15/24 (Call 02/15/24)		100		102,922
3.45%, 12/15/27 (Call 09/15/27)		145		148,490
4.25%, 03/01/45 (Call 09/01/44)		35		34,458
4.30%, 12/15/47 (Call 06/15/47)		145		144,632
Bristol-Myers Squibb Co.
2.55%, 05/14/21(a)(c)		150		150,972
2.60%, 05/16/22(a)(c)		285		287,508
2.90%, 07/26/24 (Call 06/26/24)(c)		475		485,217
3.20%, 06/15/26 (Call 04/15/26)(c)		350		362,124
3.25%, 02/27/27		65		67,694
3.25%, 08/01/42		180		172,100
3.40%, 07/26/29 (Call 04/26/29)(c)		460		480,033
4.13%, 06/15/39 (Call 12/15/38)(c)		300		326,862
4.25%, 10/26/49 (Call 04/26/49)(a)(c)		465		511,486
4.50%, 03/01/44 (Call 09/01/43)(a)		84		95,848
Eli Lilly & Co.
2.75%, 06/01/25 (Call 03/01/25)		360		366,804
3.10%, 05/15/27 (Call 02/15/27)		75		78,062
3.38%, 03/15/29 (Call 12/15/28)		150		159,591
3.70%, 03/01/45 (Call 09/01/44)		182		190,226
3.88%, 03/15/39 (Call 09/15/38)(a)		90		98,428
3.95%, 05/15/47 (Call 11/15/46)		10		10,821

Security	Par (000)		Value
Pharmaceuticals (continued)
3.95%, 03/15/49 (Call 09/15/48)	$	210	$	228,390
4.15%, 03/15/59 (Call 09/15/58)		275		302,250
5.55%, 03/15/37(a)		93		117,688
GlaxoSmithKline Capital Inc.
2.80%, 03/18/23		165		168,010
3.38%, 05/15/23		115		119,084
3.63%, 05/15/25		200		211,978
3.88%, 05/15/28		235		256,848
4.20%, 03/18/43		105		117,820
5.38%, 04/15/34		435		551,184
6.38%, 05/15/38		315		438,540
GlaxoSmithKline Capital PLC
2.85%, 05/08/22		221		224,132
2.88%, 06/01/22 (Call 05/01/22)		200		202,922
3.13%, 05/14/21		50		50,701
3.38%, 06/01/29 (Call 03/01/29)		200		211,646
Johnson & Johnson
1.65%, 03/01/21 (Call 02/01/21)		300		297,900
2.05%, 03/01/23 (Call 01/01/23)(a)		137		137,318
2.25%, 03/03/22 (Call 02/03/22)(a)		100		100,460
2.45%, 03/01/26 (Call 12/01/25)		575		578,421
2.63%, 01/15/25 (Call 11/15/24)		90		91,617
2.90%, 01/15/28 (Call 10/15/27)		275		284,878
2.95%, 03/03/27 (Call 12/03/26)		195		202,548
3.38%, 12/05/23(a)		95		100,208
3.40%, 01/15/38 (Call 07/15/37)		325		336,313
3.50%, 01/15/48 (Call 07/15/47)		55		57,465
3.55%, 03/01/36 (Call 09/01/35)		125		131,674
3.63%, 03/03/37 (Call 09/03/36)		105		111,490
3.70%, 03/01/46 (Call 09/01/45)		330		357,505
3.75%, 03/03/47 (Call 09/03/46)		150		162,603
4.38%, 12/05/33 (Call 06/05/33)		272		316,573
4.50%, 09/01/40		210		250,494
4.50%, 12/05/43 (Call 06/05/43)(a)		25		30,313
4.95%, 05/15/33		60		73,906
5.95%, 08/15/37		132		182,314
Mead Johnson Nutrition Co.
3.00%, 11/15/20		25		25,159
4.13%, 11/15/25 (Call 08/15/25)		450		487,926
Merck & Co. Inc.
2.35%, 02/10/22		50		50,246
2.40%, 09/15/22 (Call 03/15/22)		206		207,634
2.75%, 02/10/25 (Call 11/10/24)		455		465,333
2.80%, 05/18/23		375		383,632
2.90%, 03/07/24 (Call 02/07/24)		100		102,975
3.40%, 03/07/29 (Call 12/07/28)		165		175,755
3.60%, 09/15/42 (Call 03/15/42)		150		156,568
3.70%, 02/10/45 (Call 08/10/44)		350		372,386
3.88%, 01/15/21 (Call 10/15/20)(a)		250		255,255
3.90%, 03/07/39 (Call 09/07/38)		175		194,336
4.00%, 03/07/49 (Call 09/07/48)(a)		365		407,084
4.15%, 05/18/43		10		11,385
6.50%, 12/01/33		75		105,206
Novartis Capital Corp.
2.40%, 05/17/22 (Call 04/17/22)		145		145,828
2.40%, 09/21/22		189		190,478
3.00%, 11/20/25 (Call 08/20/25)(a)		175		180,682
3.10%, 05/17/27 (Call 02/17/27)		200		208,986
3.40%, 05/06/24		612		643,145
3.70%, 09/21/42		73		77,560

13

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Pharmaceuticals (continued)
4.00%, 11/20/45 (Call 05/20/45)	$	200	$	223,346
4.40%, 05/06/44		285		337,058
Pfizer Inc.
1.95%, 06/03/21		100		99,567
2.20%, 12/15/21		50		50,020
2.75%, 06/03/26(a)		125		127,404
2.80%, 03/11/22		100		101,718
2.95%, 03/15/24 (Call 02/15/24)		100		102,873
3.00%, 09/15/21		100		101,606
3.00%, 06/15/23		192		197,474
3.00%, 12/15/26		235		242,703
3.20%, 09/15/23 (Call 08/15/23)		500		518,985
3.40%, 05/15/24		125		131,254
3.45%, 03/15/29 (Call 12/15/28)		50		52,918
3.60%, 09/15/28 (Call 06/15/28)		375		401,389
3.90%, 03/15/39 (Call 09/15/38)		175		191,210
4.00%, 12/15/36		470		517,211
4.00%, 03/15/49 (Call 09/15/48)		75		81,982
4.13%, 12/15/46		225		249,235
4.20%, 09/15/48 (Call 03/15/48)		300		338,037
4.30%, 06/15/43		5		5,631
4.40%, 05/15/44		275		314,366
7.20%, 03/15/39		297		456,204
Pharmacia LLC, 6.60%, 12/01/28(a)		250		325,335
Sanofi
3.38%, 06/19/23 (Call 05/19/23)		290		301,435
3.63%, 06/19/28 (Call 03/19/28)(a)		200		215,932
4.00%, 03/29/21		300		308,085
Wyeth LLC
5.95%, 04/01/37		200		268,196
6.00%, 02/15/36		100		132,211
6.50%, 02/01/34		50		69,600
				22,666,688
Real Estate Investment Trusts — 1.3%
AvalonBay Communities Inc., 3.45%, 06/01/25 (Call 03/03/25)		135		141,373
ERP Operating LP
2.85%, 11/01/26 (Call 08/01/26)		45		45,604
3.00%, 04/15/23 (Call 01/15/23)		25		25,535
3.50%, 03/01/28 (Call 12/01/27)		285		300,578
4.50%, 07/01/44 (Call 01/01/44)		100		116,092
4.63%, 12/15/21 (Call 09/15/21)		242		253,546
Federal Realty Investment Trust, 4.50%, 12/01/44 (Call 06/01/44)		85		96,173
Prologis LP
3.75%, 11/01/25 (Call 08/01/25)		190		202,705
4.25%, 08/15/23 (Call 05/15/23)		300		320,349
Public Storage
2.37%, 09/15/22 (Call 08/15/22)		75		75,009
3.09%, 09/15/27 (Call 06/15/27)		220		225,991
Realty Income Corp.
3.00%, 01/15/27 (Call 10/15/26)		290		293,378
3.25%, 10/15/22 (Call 07/15/22)		325		332,751
3.65%, 01/15/28 (Call 10/15/27)		175		184,282
Simon Property Group LP
2.35%, 01/30/22 (Call 10/30/21)		50		49,982
2.50%, 07/15/21 (Call 04/15/21)		75		75,221
2.63%, 06/15/22 (Call 03/15/22)		50		50,507
2.75%, 02/01/23 (Call 12/01/22)		325		329,768
2.75%, 06/01/23 (Call 03/01/23)		50		50,547

Security	Par (000)		Value
Real Estate Investment Trusts (continued)
3.25%, 11/30/26 (Call 08/30/26)	$	91	$	93,926
3.30%, 01/15/26 (Call 10/15/25)		150		155,310
3.38%, 03/15/22 (Call 12/15/21)		75		76,931
3.38%, 10/01/24 (Call 07/01/24)		125		130,303
3.38%, 06/15/27 (Call 03/15/27)		155		161,453
3.38%, 12/01/27 (Call 09/01/27)(a)		25		26,071
3.50%, 09/01/25 (Call 06/01/25)		50		52,243
3.75%, 02/01/24 (Call 11/01/23)		100		105,308
4.13%, 12/01/21 (Call 09/01/21)		330		341,656
4.25%, 11/30/46 (Call 05/30/46)(a)		25		28,010
4.38%, 03/01/21 (Call 12/01/20)		275		282,408
4.75%, 03/15/42 (Call 09/15/41)		74		86,815
6.75%, 02/01/40 (Call 11/01/39)		210		298,189
				5,008,014
Retail — 3.3%
Costco Wholesale Corp.
2.15%, 05/18/21 (Call 04/18/21)		101		101,055
2.30%, 05/18/22 (Call 04/18/22)		177		177,573
2.75%, 05/18/24 (Call 03/18/24)		350		358,221
3.00%, 05/18/27 (Call 02/18/27)(a)		390		404,371
Home Depot Inc. (The)
2.00%, 04/01/21 (Call 03/01/21)		25		24,906
2.13%, 09/15/26 (Call 06/15/26)		125		122,448
2.63%, 06/01/22 (Call 05/01/22)		335		339,455
2.70%, 04/01/23 (Call 01/01/23)		175		178,563
2.80%, 09/14/27 (Call 06/14/27)		175		178,117
3.35%, 09/15/25 (Call 06/15/25)		375		394,781
3.50%, 09/15/56 (Call 03/15/56)		65		64,727
3.75%, 02/15/24 (Call 11/15/23)		115		122,321
3.90%, 06/15/47 (Call 12/15/46)		115		124,755
4.20%, 04/01/43 (Call 10/01/42)		79		88,173
4.25%, 04/01/46 (Call 10/01/45)		190		214,909
4.40%, 04/01/21 (Call 01/01/21)		100		103,042
4.40%, 03/15/45 (Call 09/15/44)		255		293,286
4.50%, 12/06/48 (Call 06/06/48)		475		563,640
4.88%, 02/15/44 (Call 08/15/43)		152		184,694
5.40%, 09/15/40 (Call 03/15/40)		275		352,495
5.88%, 12/16/36		680		917,395
5.95%, 04/01/41 (Call 10/01/40)		35		47,771
Target Corp.
2.50%, 04/15/26		100		100,924
2.90%, 01/15/22		115		117,226
3.50%, 07/01/24		50		53,061
3.63%, 04/15/46		235		242,551
3.90%, 11/15/47 (Call 05/15/47)		140		151,047
4.00%, 07/01/42		390		425,217
TJX Companies Inc. (The), 2.25%, 09/15/26 (Call 06/15/26)		305		299,165
Walmart Inc.
1.90%, 12/15/20		150		149,507
2.35%, 12/15/22 (Call 11/15/22)		150		150,923
2.55%, 04/11/23 (Call 01/11/23)		464		469,373
2.65%, 12/15/24 (Call 10/15/24)		325		331,250
3.13%, 06/23/21		174		177,503
3.30%, 04/22/24 (Call 01/22/24)		405		423,970
3.40%, 06/26/23 (Call 05/26/23)		725		757,886
3.55%, 06/26/25 (Call 04/26/25)		265		282,291
3.63%, 12/15/47 (Call 06/15/47)		190		203,902
3.70%, 06/26/28 (Call 03/26/28)		250		272,950
3.95%, 06/28/38 (Call 12/28/37)		390		438,477
4.00%, 04/11/43 (Call 10/11/42)		105		117,124

14

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Retail (continued)
4.05%, 06/29/48 (Call 12/29/47)	$	580	$	666,124
4.30%, 04/22/44 (Call 10/22/43)		75		87,434
5.25%, 09/01/35		500		642,455
5.63%, 04/01/40		160		216,112
5.63%, 04/15/41		100		136,333
6.20%, 04/15/38		50		71,912
7.55%, 02/15/30		50		71,844
				12,413,259
Semiconductors — 2.1%
Applied Materials Inc.
2.63%, 10/01/20 (Call 09/01/20)		110		110,419
3.30%, 04/01/27 (Call 01/01/27)		235		245,465
3.90%, 10/01/25 (Call 07/01/25)		75		80,594
4.30%, 06/15/21(a)		190		197,115
4.35%, 04/01/47 (Call 10/01/46)(a)		185		211,076
5.10%, 10/01/35 (Call 04/01/35)(a)		175		213,944
5.85%, 06/15/41		149		194,850
Intel Corp.
1.70%, 05/19/21 (Call 04/19/21)		195		193,376
2.60%, 05/19/26 (Call 02/19/26)(a)		115		116,327
2.88%, 05/11/24 (Call 03/11/24)		515		528,838
3.10%, 07/29/22		26		26,693
3.15%, 05/11/27 (Call 02/11/27)		250		261,742
3.30%, 10/01/21		540		552,787
3.70%, 07/29/25 (Call 04/29/25)		575		614,209
3.73%, 12/08/47 (Call 06/08/47)(a)		397		419,982
4.00%, 12/15/32		140		160,191
4.10%, 05/19/46 (Call 11/19/45)		135		149,864
4.10%, 05/11/47 (Call 11/11/46)		185		205,415
4.25%, 12/15/42		100		112,184
4.90%, 07/29/45 (Call 01/29/45)		35		43,525
QUALCOMM Inc.
2.60%, 01/30/23 (Call 12/30/22)		275		275,913
2.90%, 05/20/24 (Call 03/20/24)		245		248,729
3.00%, 05/20/22		193		195,963
3.25%, 05/20/27 (Call 02/20/27)		350		358,792
3.45%, 05/20/25 (Call 02/20/25)(a)		550		572,275
4.30%, 05/20/47 (Call 11/20/46)		105		112,374
4.65%, 05/20/35 (Call 11/20/34)		80		90,548
4.80%, 05/20/45 (Call 11/20/44)		478		544,561
Texas Instruments Inc.
1.85%, 05/15/22 (Call 04/15/22)		225		223,018
2.90%, 11/03/27 (Call 08/03/27)		255		263,114
4.15%, 05/15/48 (Call 11/15/47)		320		370,435
Xilinx Inc., 2.95%, 06/01/24 (Call 04/01/24)		90		91,127
				7,985,445
Software — 5.3%
Adobe Inc., 3.25%, 02/01/25 (Call 11/01/24)(a)		320		332,269
Microsoft Corp.
4.25%, 02/06/47 (Call 08/06/46)		272		320,897
1.55%, 08/08/21 (Call 07/08/21)		1,050		1,039,510
2.00%, 11/03/20 (Call 10/03/20)		450		449,545
2.00%, 08/08/23 (Call 06/08/23)		370		369,001
2.38%, 02/12/22 (Call 01/12/22)		100		100,726
2.38%, 05/01/23 (Call 02/01/23)(a)		225		227,140
2.40%, 02/06/22 (Call 01/06/22)		125		125,964
2.40%, 08/08/26 (Call 05/08/26)		825		826,996
2.65%, 11/03/22 (Call 09/03/22)		221		224,739
2.70%, 02/12/25 (Call 11/12/24)		179		183,104

Security	Par (000)		Value
Software (continued)
2.88%, 02/06/24 (Call 12/06/23)	$	690	$	711,252
3.00%, 10/01/20		139		140,473
3.13%, 11/03/25 (Call 08/03/25)		155		161,964
3.30%, 02/06/27 (Call 11/06/26)		455		482,082
3.45%, 08/08/36 (Call 02/08/36)		350		370,580
3.50%, 02/12/35 (Call 08/12/34)		100		106,821
3.50%, 11/15/42		190		199,966
3.63%, 12/15/23 (Call 09/15/23)		325		344,506
3.70%, 08/08/46 (Call 02/08/46)		580		627,792
3.75%, 05/01/43 (Call 11/01/42)		87		93,740
3.75%, 02/12/45 (Call 08/12/44)		184		198,604
3.95%, 08/08/56 (Call 02/08/56)		355		396,957
4.00%, 02/08/21		100		102,919
4.00%, 02/12/55 (Call 08/12/54)		475		533,444
4.10%, 02/06/37 (Call 08/06/36)		270		308,510
4.20%, 11/03/35 (Call 05/03/35)		392		452,662
4.45%, 11/03/45 (Call 05/03/45)		250		302,480
4.50%, 10/01/40		165		197,328
4.50%, 02/06/57 (Call 08/06/56)		305		373,317
4.75%, 11/03/55 (Call 05/03/55)		50		63,596
4.88%, 12/15/43 (Call 06/15/43)		250		315,048
5.20%, 06/01/39		320		415,760
5.30%, 02/08/41		212		279,713
Oracle Corp.
1.90%, 09/15/21 (Call 08/15/21)		825		818,392
2.40%, 09/15/23 (Call 07/15/23)		100		100,354
2.50%, 05/15/22 (Call 03/15/22)		285		286,721
2.50%, 10/15/22		530		533,392
2.63%, 02/15/23 (Call 01/15/23)		150		151,727
2.65%, 07/15/26 (Call 04/15/26)		766		769,003
2.80%, 07/08/21		80		80,848
2.95%, 11/15/24 (Call 09/15/24)		125		128,401
2.95%, 05/15/25 (Call 02/15/25)		272		278,912
3.25%, 11/15/27 (Call 08/15/27)		277		288,961
3.25%, 05/15/30 (Call 02/15/30)		400		415,160
3.40%, 07/08/24 (Call 04/08/24)		345		360,470
3.63%, 07/15/23		172		180,598
3.80%, 11/15/37 (Call 05/15/37)		150		159,590
3.85%, 07/15/36 (Call 01/15/36)		385		410,687
3.90%, 05/15/35 (Call 11/15/34)		314		338,976
4.00%, 07/15/46 (Call 01/15/46)		285		303,397
4.00%, 11/15/47 (Call 05/15/47)		225		241,097
4.13%, 05/15/45 (Call 11/15/44)		150		162,489
4.30%, 07/08/34 (Call 01/08/34)		872		990,923
4.38%, 05/15/55 (Call 11/15/54)		162		181,422
4.50%, 07/08/44 (Call 01/08/44)		75		85,321
5.38%, 07/15/40		375		473,902
6.13%, 07/08/39		300		411,042
6.50%, 04/15/38		140		197,081
salesforce.com Inc., 3.70%, 04/11/28 (Call 01/11/28)		285		307,965
				20,036,236
Telecommunications — 1.1%
America Movil SAB de CV
3.13%, 07/16/22		250		254,015
4.38%, 07/16/42(a)		194		210,185
4.38%, 04/22/49 (Call 10/22/48)		325		357,273
6.13%, 03/30/40		265		348,438
6.38%, 03/01/35		25		32,798

15

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF (Percentages shown are based on Net Assets)

Security	Par (000)		Value
Telecommunications (continued)
Cisco Systems Inc.
1.85%, 09/20/21 (Call 08/20/21)	$	390	$	387,500
2.20%, 02/28/21		525		525,766
2.20%, 09/20/23 (Call 07/20/23)		265		265,604
2.50%, 09/20/26 (Call 06/20/26)(a)		270		273,008
2.60%, 02/28/23		200		203,124
2.90%, 03/04/21		50		50,585
2.95%, 02/28/26(a)		165		171,689
3.00%, 06/15/22		40		40,967
3.50%, 06/15/25		150		160,241
3.63%, 03/04/24		114		121,229
5.50%, 01/15/40		208		277,233
5.90%, 02/15/39		350		485,082
				4,164,737
Transportation — 1.6%
Burlington Northern Santa Fe LLC
3.00%, 03/15/23 (Call 12/15/22)		75		76,816
3.00%, 04/01/25 (Call 01/01/25)		325		334,181
3.05%, 09/01/22 (Call 06/01/22)		75		76,538
3.25%, 06/15/27 (Call 03/15/27)		175		183,806
3.40%, 09/01/24 (Call 12/01/23)		95		99,439
3.75%, 04/01/24 (Call 01/01/24)		50		52,882
3.85%, 09/01/23 (Call 06/01/23)		108		114,593
3.90%, 08/01/46 (Call 02/01/46)		100		106,315
4.05%, 06/15/48 (Call 12/15/47)		300		329,379
4.13%, 06/15/47 (Call 12/15/46)		130		143,684
4.15%, 04/01/45 (Call 10/01/44)		135		149,580
4.15%, 12/15/48 (Call 06/15/48)		200		223,828
4.38%, 09/01/42 (Call 03/01/42)		75		84,512
4.40%, 03/15/42 (Call 09/15/41)		114		128,740
4.45%, 03/15/43 (Call 09/15/42)		115		130,642
4.55%, 09/01/44 (Call 03/01/44)		150		173,249
4.70%, 09/01/45 (Call 03/01/45)		85		100,806
4.90%, 04/01/44 (Call 10/01/43)		55		66,662
5.05%, 03/01/41 (Call 09/01/40)		20		24,227
5.15%, 09/01/43 (Call 03/01/43)		100		123,114
5.40%, 06/01/41 (Call 12/01/40)		35		44,002
5.75%, 05/01/40 (Call 11/01/39)		45		59,095
6.15%, 05/01/37		210		281,469
Canadian National Railway Co.
2.75%, 03/01/26 (Call 12/01/25)(a)		260		263,882
3.20%, 08/02/46 (Call 02/02/46)		260		255,801
4.45%, 01/20/49 (Call 07/20/48)		165		199,299
6.25%, 08/01/34		65		89,763

Security	Par/ Shares (000)		Value
Transportation (continued)
United Parcel Service Inc.
2.40%, 11/15/26 (Call 08/15/26)	$	100	$	99,685
2.45%, 10/01/22		97		97,610
2.50%, 04/01/23 (Call 03/01/23)		190		191,510
2.80%, 11/15/24 (Call 09/15/24)		273		279,093
3.05%, 11/15/27 (Call 08/15/27)		180		186,458
3.13%, 01/15/21		62		62,829
3.40%, 11/15/46 (Call 05/15/46)		145		141,530
3.75%, 11/15/47 (Call 05/15/47)		350		365,848
4.88%, 11/15/40 (Call 05/15/40)		75		89,735
6.20%, 01/15/38		312		433,240
				5,863,842
Total Corporate Bonds & Notes — 99.0% (Cost: $357,359,175)				374,726,331
Short-Term Investments
Money Market Funds — 8.0%
BlackRock Cash Funds: Institutional, SL Agency Shares,     2.45%(d)(e)(f)		28,442		28,456,709
BlackRock Cash Funds: Treasury, SL Agency Shares,     2.25%(d)(e)		1,721		1,721,000
				30,177,709
Total Short-Term Investments — 8.0% (Cost: $30,168,228)				30,177,709
Total Investments in Securities — 107.0% (Cost: $387,527,403)				404,904,040
Other Assets, Less Liabilities — (7.0)%				(26,325,579	)
Net Assets — 100.0%			$	378,578,461

^(a)  All or a portion of this security is on loan.

^(b)  Security is issued at a fixed coupon rate, which converts to a variable rate at a specified date.

^(c)  Security exempt from registration pursuant to Rule 144A under the Securities Act of 1933, as amended. These securities may be resold in transactions exempt from registration to qualified institutional investors.

^(d)  Affiliate of the Fund.

^(e)  Annualized 7-day yield as of period-end.

^(f)  All or a portion of this security was purchased with cash collateral received from loaned securities.

Affiliates

Investments in issuers considered to be affiliates of the Fund during the nine months ended July 31, 2019, for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows:

Affiliated Issuer	Par/Shares Held at 10/31/18 (000)		Par/Shares Purchased (000)			Par/Shares Sold (000)			Par/Shares Held at 07/31/19 (000)		Value at 07/31/19		Income			Net Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)
BlackRock Cash Funds: Institutional, SL Agency Shares		13,181		15,261	(a)		—			28,442	$	28,456,709	$	47,766	(b)	$	376	$	7,428
BlackRock Cash Funds: Treasury, SL Agency Shares		1,950		—			(229	)(a)		1,721		1,721,000		55,168			—		—
PNC Bank N.A.
2.00%, 05/19/20(c)		250		—			(250	)		—		N/A		4,445			1,317		903
2.15%, 04/29/21(c)		250		—			—			250		N/A		3,807			—		8,416
2.60%, 07/21/20(c)		250		500			(750	)		—		N/A		13,722			4,973		3,333

16

Schedule of Investments  (unaudited) (continued) July 31, 2019 iShares^® Aaa - A Rated Corporate Bond ETF     

Affiliates (continued)

Affiliated Issuer	Par/Shares Held at 10/31/18 (000)		Par/Shares Purchased (000)		Par/Shares Sold (000)			Par/Shares Held at 07/31/19 (000)		Value at 07/31/19		Income		Net Realized Gain (Loss)			Change in Unrealized Appreciation (Depreciation)
4.20%, 11/01/25(c)		250		—		—			250	$	N/A	$	6,679	$	—		$	10,960
PNC Financial Services Group Inc. (The)
3.15%, 05/19/27(c)		65		75		—			140		N/A		2,495		—			1,916
3.30%, 03/08/22(c)		140		25		—			165		N/A		3,045		—			3,483
3.90%, 04/29/24(c)		225		575		(100	)		700		N/A		14,112		(4,735	)		11,457
5.13%, 02/08/20(c)		67		—		(67	)		—		N/A		497		(530	)		1,042
										$	30,177,709	$	151,736	$	1,401		$	48,938

^(a)  Net of purchases and sales.

^(b)  Includes securities lending income earned from the reinvestment of cash collateral from loaned securities (excluding collateral investment fees), net of fees and other payments to and from borrowers of securities, and less fees paid to BTC as securities lending agent.

^(c)  As of period end, the entity is no longer an affiliate of the Fund.

Fair Value Measurements

Various inputs are used in determining the fair value of financial instruments. For description of the input levels and information about the Fund’s policy regarding valuation of financial instruments, refer to a recently published shareholder report. Shareholder reports are available on the Fund’s website at www.iShares.com and on the U.S. Securities and Exchange Commission website at www.sec.gov.

The following table summarizes the value of the Fund’s investments according to the fair value hierarchy as of July 31, 2019. The breakdown of the Fund’s investments into major categories is disclosed in the Schedule of Investments above.

	Level 1		Level 2		Level 3		Total
Investments
Assets
Corporate Bonds & Notes	$	—	$	374,726,331	$	—	$	374,726,331
Money Market Funds		30,177,709		—		—		30,177,709
	$	30,177,709	$	374,726,331	$	—	$	404,904,040

17