Schedule of Investments (unaudited) December 31, 2020 iShares^® Expanded Tech Sector ETF (Percentages shown are based on Net Assets)

Security	Shares		Value
Common Stocks
Communications Equipment — 2.3%
Acacia Communications Inc.(a)		9,743	$	710,849
Arista Networks Inc.(a)		13,806		4,011,609
Calix Inc.(a)		13,395		398,635
Ciena Corp.(a)(b)		39,107		2,066,805
Cisco Systems Inc.		1,070,829		47,919,598
CommScope Holding Co. Inc.(a)		50,341		674,569
EchoStar Corp., Class A(a)		12,561		266,168
F5 Networks Inc.(a)		15,611		2,746,599
Harmonic Inc.(a)		26,681		197,173
Infinera Corp.(a)		50,076		524,796
Inseego Corp.(a)(b)		15,459		239,151
Juniper Networks Inc.		83,564		1,881,026
Lumentum Holdings Inc.(a)(b)		19,131		1,813,619
Motorola Solutions Inc.		42,961		7,305,948
NETGEAR Inc.(a)		7,858		319,270
NetScout Systems Inc.(a)		18,185		498,633
Plantronics Inc.		8,269		223,511
Ribbon Communications Inc.(a)		31,420		206,115
Ubiquiti Inc.		1,909		531,676
ViaSat Inc.(a)		16,195		528,767
Viavi Solutions Inc.(a)		58,028		868,969
				73,933,486
Electronic Equipment, Instruments & Components — 2.5%
Amphenol Corp., Class A		75,811		9,913,804
Arrow Electronics Inc.(a)		19,148		1,863,100
Avnet Inc.		25,048		879,435
Badger Meter Inc.		7,380		694,163
Belden Inc.		11,137		466,640
Benchmark Electronics Inc.		9,314		251,571
CDW Corp./DE		36,236		4,775,542
Celestica Inc.(a)(b)		27,674		223,329
Cognex Corp.		44,253		3,552,852
Coherent Inc.(a)		6,137		920,673
Corning Inc.		193,610		6,969,960
Dolby Laboratories Inc., Class A		16,274		1,580,694
Fabrinet(a)		9,262		718,639
Fitbit Inc., Class A(a)		58,180		395,624
FLIR Systems Inc.		33,233		1,456,602
II-VI Inc.(a)		26,286		1,996,685
Insight Enterprises Inc.(a)		8,894		676,744
IPG Photonics Corp.(a)		9,050		2,025,300
Itron Inc.(a)		10,237		981,728
Jabil Inc.		34,111		1,450,741
Keysight Technologies Inc.(a)		46,961		6,203,079
Knowles Corp.(a)		23,590		434,764
Littelfuse Inc.		6,177		1,573,035
Methode Electronics Inc.		9,327		357,038
National Instruments Corp.		33,260		1,461,444
Novanta Inc.(a)		8,911		1,053,458
OSI Systems Inc.(a)		4,413		411,380
Plexus Corp.(a)		7,306		571,402
Rogers Corp.(a)		4,733		734,988
Sanmina Corp.(a)		16,493		525,962
SYNNEX Corp.		10,450		851,048
TE Connectivity Ltd.		83,815		10,147,482
Trimble Inc.(a)		63,399		4,233,151
TTM Technologies Inc.(a)		24,963		344,365
Vishay Intertechnology Inc.		34,448		713,418

Security	Shares		Value
Electronic Equipment, Instruments & Components (continued)
Vontier Corp.(a)		33,938	$	1,133,529
Zebra Technologies Corp., Class A(a)		13,511		5,192,683
				77,736,052
Entertainment — 3.1%
Activision Blizzard Inc.		195,854		18,185,044
Electronic Arts Inc.		73,508		10,555,749
Glu Mobile Inc.(a)(b)		35,778		322,360
Netflix Inc.(a)		111,957		60,538,508
Take-Two Interactive Software Inc.(a)		29,148		6,056,663
Zynga Inc., Class A(a)		254,294		2,509,882
				98,168,206
Interactive Media & Services — 15.1%
Alphabet Inc., Class A(a)		74,489		130,552,401
Alphabet Inc., Class C, NVS(a)		71,927		126,007,473
Cargurus Inc.(a)		21,905		695,046
Facebook Inc., Class A(a)		609,207		166,410,984
IAC/InterActiveCorp.(a)		20,159		3,817,107
Match Group Inc.(a)		65,894		9,962,514
Pinterest Inc., Class A(a)		129,390		8,526,801
Snap Inc., Class A, NVS(a)		231,519		11,592,156
TripAdvisor Inc.(a)		24,369		701,340
Twitter Inc.(a)(b)		201,550		10,913,932
Yelp Inc.(a)		17,634		576,103
Zillow Group Inc., Class A(a)		9,208		1,251,735
Zillow Group Inc., Class C, NVS(a)(b)		37,408		4,855,558
ZoomInfo Technologies Inc., Class A(a)		20,594		993,249
				476,856,399
Internet & Direct Marketing Retail — 10.3%
Amazon.com Inc.(a)		83,551		272,119,758
Booking Holdings Inc.(a)		10,379		23,116,835
Chewy Inc., Class A(a)(b)		19,065		1,713,753
eBay Inc.		165,969		8,339,942
Etsy Inc.(a)		31,887		5,673,016
Expedia Group Inc.		34,449		4,561,048
Groupon Inc.(a)		5,770		219,231
Grubhub Inc.(a)		23,505		1,745,716
Magnite Inc.(a)		28,208		866,268
Overstock.com Inc.(a)		10,774		516,829
Qurate Retail Inc., Series A		98,279		1,078,121
Shutterstock Inc.		5,390		386,463
Stamps.com Inc.(a)		4,697		921,504
Stitch Fix Inc., Class A(a)		14,374		844,041
Wayfair Inc., Class A(a)(b)		18,445		4,165,066
				326,267,591
IT Services — 17.8%
Accenture PLC, Class A		160,561		41,940,139
Akamai Technologies Inc.(a)		41,255		4,331,362
Alliance Data Systems Corp.		12,093		896,091
Automatic Data Processing Inc.		108,671		19,147,830
Black Knight Inc.(a)		39,794		3,515,800
Booz Allen Hamilton Holding Corp.		34,946		3,046,592
Broadridge Financial Solutions Inc.		29,299		4,488,607
CACI International Inc., Class A(a)		6,391		1,593,468
Cardtronics PLC, Class A(a)		9,020		318,406
CGI Inc.(a)(b)		57,997		4,599,742
Cognizant Technology Solutions Corp., Class A		135,497		11,103,979
Concentrix Corp.(a)		10,440		1,030,428
CSG Systems International Inc.		8,349		376,289
DXC Technology Co.		64,473		1,660,180

1

Schedule of Investments (unaudited) (continued) December 31, 2020 iShares^® Expanded Tech Sector ETF (Percentages shown are based on Net Assets)

Security	Shares		Value
IT Services (continued)
EPAM Systems Inc.(a)		14,188	$	5,084,270
Euronet Worldwide Inc.(a)		13,258		1,921,349
EVERTEC Inc.		15,554		611,583
ExlService Holdings Inc.(a)(b)		8,543		727,266
Fastly Inc., Class A(a)(b)		21,265		1,857,923
Fidelity National Information Services Inc.		157,246		22,244,019
Fiserv Inc.(a)		145,652		16,583,937
FleetCor Technologies Inc.(a)(b)		21,136		5,766,535
Gartner Inc.(a)		22,627		3,624,619
Genpact Ltd.		44,627		1,845,773
Global Payments Inc.		75,857		16,341,115
GoDaddy Inc., Class A(a)		42,548		3,529,357
International Business Machines Corp.		225,808		28,424,711
Jack Henry & Associates Inc.		19,340		3,132,887
KBR Inc.		36,116		1,117,068
Leidos Holdings Inc.		33,903		3,563,883
LiveRamp Holdings Inc.(a)		16,805		1,229,958
ManTech International Corp./VA, Class A		6,889		612,708
Mastercard Inc., Class A		222,946		79,578,345
MAXIMUS Inc.		15,573		1,139,788
MongoDB Inc.(a)(b)		12,830		4,606,483
NIC Inc.		16,989		438,826
Okta Inc.(a)		30,710		7,808,325
Paychex Inc.		81,083		7,555,314
PayPal Holdings Inc.(a)		296,930		69,541,006
Perficient Inc.(a)		8,316		396,257
Perspecta Inc.		34,670		834,854
Replay Holding Corp.(a)		17,393		473,959
Sabre Corp.		80,402		966,432
Science Applications International Corp.		14,755		1,396,413
Shift4 Payments Inc., Class A(a)(b)		8,708		656,583
Shopify Inc., Class A(a)(b)		27,893		31,573,481
Snowflake Inc., Class A(a)		8,175		2,300,445
Square Inc., Class A(a)		97,245		21,164,402
Switch Inc., Class A		21,835		357,439
Sykes Enterprises Inc.(a)		10,159		382,689
TTEC Holdings Inc.		4,620		336,937
Twilio Inc., Class A(a)		35,540		12,030,290
VeriSign Inc.(a)		25,448		5,506,947
Verra Mobility Corp.(a)(b)		34,138		458,132
Virtusa Corp.(a)		7,221		369,210
Visa Inc., Class A		429,700		93,988,281
Western Union Co. (The)		104,186		2,285,841
WEX Inc.(a)		11,183		2,276,076
				564,690,629
Semiconductors & Semiconductor Equipment — 15.2%
Advanced Energy Industries Inc.(a)		9,697		940,318
Advanced Micro Devices Inc.(a)		304,746		27,948,256
Ambarella Inc.(a)		8,772		805,445
Amkor Technology Inc.		27,184		409,935
Analog Devices Inc.		93,633		13,832,403
Applied Materials Inc.		231,441		19,973,358
Broadcom Inc.		102,505		44,881,814
Brooks Automation Inc.(b)		18,711		1,269,541
Cirrus Logic Inc.(a)		14,689		1,207,436
CMC Materials Inc.		7,369		1,114,930
Cree Inc.(a)		27,963		2,961,282
Diodes Inc.(a)		10,682		753,081
Enphase Energy Inc.(a)		32,015		5,617,672
Entegris Inc.		34,209		3,287,485

Security	Shares		Value
Semiconductors & Semiconductor Equipment (continued)
First Solar Inc.(a)		21,485	$	2,125,296
FormFactor Inc.(a)		19,613		843,751
Inphi Corp.(a)		13,206		2,119,167
Intel Corp.		1,038,731		51,749,578
KLA Corp.		39,145		10,135,032
Kulicke & Soffa Industries Inc.		16,171		514,400
Lam Research Corp.		36,497		17,236,438
Lattice Semiconductor Corp.(a)		34,500		1,580,790
MACOM Technology Solutions Holdings Inc.(a)		11,808		649,912
Marvell Technology Group Ltd.		169,824		8,073,433
Maxim Integrated Products Inc.		67,739		6,005,062
MaxLinear Inc.(a)		17,196		656,715
Microchip Technology Inc.		65,973		9,111,531
Micron Technology Inc.(a)		282,105		21,208,654
MKS Instruments Inc.		13,973		2,102,238
Monolithic Power Systems Inc.		10,743		3,934,409
NVIDIA Corp.		156,862		81,913,336
NXP Semiconductors NV		70,484		11,207,661
ON Semiconductor Corp.(a)		104,212		3,410,859
Onto Innovation Inc.(a)		12,377		588,526
Power Integrations Inc.		15,170		1,241,816
Qorvo Inc.(a)		28,904		4,805,868
QUALCOMM Inc.		286,611		43,662,320
Rambus Inc.(a)		28,872		504,105
Semtech Corp.(a)		16,472		1,187,467
Silicon Laboratories Inc.(a)		11,106		1,414,238
SiTime Corp.(a)		2,347		262,700
Skyworks Solutions Inc.		42,090		6,434,719
SolarEdge Technologies Inc.(a)		12,976		4,140,901
SunPower Corp.(a)(b)		20,273		519,800
Synaptics Inc.(a)		8,748		843,307
Teradyne Inc.(b)		42,082		5,045,211
Texas Instruments Inc.		232,619		38,179,756
Universal Display Corp.		10,862		2,496,088
Xilinx Inc.		62,118		8,806,469
				479,714,509
Software — 23.8%
2U Inc.(a)(b)		18,263		730,703
8x8 Inc.(a)		27,441		945,891
ACI Worldwide Inc.(a)		29,587		1,137,028
Adobe Inc.(a)		121,568		60,798,588
Alarm.com Holdings Inc.(a)		11,536		1,193,399
Altair Engineering Inc., Class A(a)(b)		10,742		624,970
Alteryx Inc., Class A(a)		13,695		1,667,914
Anaplan Inc.(a)		35,951		2,583,079
ANSYS Inc.(a)		21,765		7,918,107
Appfolio Inc., Class A(a)		4,154		747,886
Appian Corp., Class A(a)(b)		9,588		1,554,119
Aspen Technology Inc.(a)		17,161		2,235,220
Autodesk Inc.(a)		55,722		17,014,156
Avalara Inc.(a)		21,430		3,533,593
Avaya Holdings Corp.(a)		19,955		382,138
Bill.Com Holdings Inc.(a)		14,858		2,028,117
Blackbaud Inc.		12,455		716,910
BlackBerry Ltd.(a)(b)		130,283		863,776
Blackline Inc.(a)(b)		12,914		1,722,469
Bottomline Technologies DE Inc.(a)		9,845		519,225
Box Inc., Class A(a)		37,316		673,554
Cadence Design Systems Inc.(a)		70,686		9,643,691
CDK Global Inc.		30,839		1,598,385

2

Schedule of Investments (unaudited) (continued) December 31, 2020 iShares^® Expanded Tech Sector ETF (Percentages shown are based on Net Assets)

Security	Shares		Value
Software (continued)
Cerence Inc.(a)		9,430	$	947,526
Ceridian HCM Holding Inc.(a)		32,961		3,512,324
Citrix Systems Inc.		31,203		4,059,510
Cloudera Inc.(a)		54,467		757,636
Cloudflare Inc., Class A(a)(b)		44,413		3,374,944
CommVault Systems Inc.(a)		11,798		653,255
Cornerstone OnDemand Inc.(a)		15,389		677,732
Coupa Software Inc.(a)		17,445		5,912,285
Crowdstrike Holdings Inc., Class A(a)		47,437		10,048,105
Datadog Inc., Class A(a)		48,749		4,798,852
Descartes Systems Group Inc. (The)(a)(b)		21,406		1,251,823
Digital Turbine Inc.(a)		18,771		1,061,688
DocuSign Inc.(a)		47,272		10,508,566
Dropbox Inc., Class A(a)		74,446		1,651,957
Dynatrace Inc.(a)		46,467		2,010,627
Elastic NV(a)		15,393		2,249,379
Envestnet Inc.(a)		13,671		1,124,987
Everbridge Inc.(a)(b)		8,858		1,320,462
Fair Isaac Corp.(a)		7,374		3,768,409
FireEye Inc.(a)		57,191		1,318,824
Five9 Inc.(a)		16,720		2,915,968
Fortinet Inc.(a)		34,143		5,071,260
Guidewire Software Inc.(a)		21,234		2,733,453
HubSpot Inc.(a)		10,931		4,333,486
InterDigital Inc.		8,046		488,231
Intuit Inc.		66,583		25,291,553
j2 Global Inc.(a)		10,863		1,061,207
Jamf Holding Corp.(a)		7,050		210,936
Lightspeed POS Inc.(a)(b)		16,335		1,149,821
LivePerson Inc.(a)(b)		15,745		979,811
Manhattan Associates Inc.(a)		16,098		1,693,188
Medallia Inc.(a)		20,745		689,149
Microsoft Corp.		1,231,219		273,847,730
MicroStrategy Inc., Class A(a)		1,830		711,047
Mimecast Ltd.(a)		14,649		832,649
New Relic Inc.(a)		13,196		863,018
NortonLifeLock Inc.		149,990		3,116,792
Nuance Communications Inc.(a)(b)		71,705		3,161,473
Nutanix Inc., Class A(a)(b)		48,163		1,534,955
Open Text Corp.		69,024		3,137,831
Oracle Corp.		480,750		31,099,718
Pagerduty Inc.(a)(b)		14,450		602,565
Palo Alto Networks Inc.(a)		24,130		8,575,561
Paycom Software Inc.(a)		12,413		5,613,779
Paylocity Holding Corp.(a)		9,485		1,953,056
Pegasystems Inc.		10,021		1,335,399
Ping Identity Holding Corp.(a)		9,699		277,779
Pluralsight Inc., Class A(a)		24,923		522,386
Progress Software Corp.		11,431		516,567
Proofpoint Inc.(a)		14,624		1,994,860
PROS Holdings Inc.(a)(b)		9,908		503,029
PTC Inc.(a)		26,607		3,182,463
Q2 Holdings Inc.(a)		12,834		1,623,886
Qualys Inc.(a)		8,504		1,036,383
Rapid7 Inc.(a)(b)		13,135		1,184,252
RealPage Inc.(a)(b)		22,453		1,958,800
RingCentral Inc., Class A(a)		20,101		7,617,676
SailPoint Technologies Holdings Inc.(a)		23,039		1,226,596
salesforce.com Inc.(a)		231,870		51,598,031
ServiceNow Inc.(a)		49,437		27,211,608

Security	Shares		Value
Software (continued)
Slack Technologies Inc., Class A(a)		123,593	$	5,220,568
Smartsheet Inc., Class A(a)		28,729		1,990,632
SolarWinds Corp.(a)(b)		18,073		270,191
Splunk Inc.(a)		40,645		6,905,179
Sprout Social Inc., Class A(a)		7,004		318,052
SPS Commerce Inc.(a)		8,895		965,908
SS&C Technologies Holdings Inc.		56,436		4,105,719
SVMK Inc.(a)		30,188		771,303
Synopsys Inc.(a)		38,675		10,026,107
Tenable Holdings Inc.(a)		16,842		880,163
Teradata Corp.(a)(b)		27,700		622,419
Trade Desk Inc. (The), Class A(a)(b)		10,629		8,513,829
Tyler Technologies Inc.(a)		10,220		4,461,234
Varonis Systems Inc.(a)		8,040		1,315,424
Verint Systems Inc.(a)		16,573		1,113,374
VMware Inc., Class A(a)(b)		20,671		2,899,315
Workday Inc., Class A(a)		45,606		10,927,654
Workiva Inc.(a)(b)		9,968		913,268
Xperi Holding Corp.		27,617		577,195
Yext Inc.(a)		24,178		380,078
Zendesk Inc.(a)		29,566		4,231,486
Zoom Video Communications Inc., Class A(a)		50,333		16,978,328
Zscaler Inc.(a)		18,698		3,734,178
Zuora Inc., Class A(a)		26,694		371,847
				753,793,212
Technology Hardware, Storage & Peripherals — 9.8%
3D Systems Corp.(a)(b)		32,419		339,751
Apple Inc.		2,103,813		279,154,947
Dell Technologies Inc., Class C(a)		59,429		4,355,551
Hewlett Packard Enterprise Co.		326,149		3,864,866
HP Inc.		348,071		8,559,066
NCR Corp.(a)		32,605		1,224,970
NetApp Inc.		56,608		3,749,714
Pure Storage Inc., Class A(a)		61,169		1,383,031
Seagate Technology PLC		56,647		3,521,178
Super Micro Computer Inc.(a)		11,151		353,041
Western Digital Corp.		77,098		4,270,458
Xerox Holdings Corp.		42,249		979,754
				311,756,327
Total Common Stocks — 99.9% (Cost: $1,859,823,454)				3,162,916,411
Short-Term Investments
Money Market Funds — 1.7%
BlackRock Cash Funds: Institutional, SL Agency Shares, 0.18%(c)(d)(e)		50,071,973		50,102,016
BlackRock Cash Funds: Treasury, SL Agency Shares, 0.00%(c)(d)		2,989,000		2,989,000
				53,091,016
Total Short-Term Investments — 1.7% (Cost: $53,049,111)				53,091,016
Total Investments in Securities — 101.6% (Cost: $1,912,872,565)				3,216,007,427
Other Assets, Less Liabilities — (1.6)%				(50,628,562	)
Net Assets — 100.0%			$	3,165,378,865

3

Schedule of Investments (unaudited) (continued) December 31, 2020 iShares^® Expanded Tech Sector ETF

^(a)  Non-income producing security.

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

^(c)  Affiliate of the Fund.

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

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

Affiliates

Investments in issuers considered to be affiliate(s) of the Fund during the period ended December 31, 2020 for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows:

Affiliated Issuer	Value at 03/31/20		Purchases at Cost			Proceeds from Sales			Net Realized Gain (Loss)		Change in Unrealized Appreciation (Depreciation)			Value at 12/31/20		Shares Held at 12/31/20		Income			Capital Gain Distributions from Underlying Funds
BlackRock Cash Funds: Institutional, SL Agency Shares	$	72,061,813	$	—		$	(21,969,126	)(a)	$	11,388	$	(2,059	)	$	50,102,016		50,071,973	$	243,621	(b)	$	—
BlackRock Cash Funds: Treasury, SL Agency Shares		1,659,000		1,330,000	(a)		—			—		—			2,989,000		2,989,000		3,977			—
									$	11,388	$	(2,059	)	$	53,091,016			$	247,598		$	—

^(a)  Represents net amount purchased (sold).

^(b)  All or a portion represents securities lending income earned from the reinvestment of cash collateral from loaned securities, net of fees and collateral investment expenses, and other payments to and from borrowers of securities.

Futures Contracts

Description	Number of Contracts		Expiration Date		Notional Amount (000)		Value/ Unrealized Appreciation (Depreciation)
Long Contracts
S&P 500 E-Mini Index		6		03/19/21	$	530	$	7,784
S&P Select Sector Technology E-Mini Index		13		03/19/21		1,704		78,359
							$	86,143

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 iShares.com and on the U.S. Securities and Exchange Commission website at sec.gov.

The following table summarizes the value of the Fund’s investments according to the fair value hierarchy as of December 31, 2020. 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
Common Stocks	$	3,162,916,411	$	—	$	—	$	3,162,916,411
Money Market Funds		53,091,016		—		—		53,091,016
	$	3,216,007,427	$	—	$	—	$	3,216,007,427
Derivative financial instruments(a)
Assets
Futures Contracts	$	86,143	$	—	$	—	$	86,143

^(a)  Shown at the unrealized appreciation (depreciation) on the contracts.

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Schedule of Investments (unaudited) (continued) December 31, 2020 iShares^® Expanded Tech Sector ETF

Portfolio Abbreviations - Equity

NVS Non-Voting Shares

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