NPORT-EX 2 NPORT_8952_28788122_0424.htm EDGAR HTML
Schedule of Investments (unaudited)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)

 
Security
 
Par
(000)
Value
Municipal Bonds
Alabama — 6.6%
 
Black Belt Energy Gas District, RB(a)
 
 
 
4.00%, 10/01/52
$
4,950
$ 4,935,491
Series A, 5.25%, 01/01/54
 
3,065
3,231,755
Series A, 5.25%, 05/01/55
 
1,825
1,948,994
Series C, 5.50%, 10/01/54
 
7,575
8,152,213
Series F, 5.50%, 11/01/53
 
2,920
3,071,846
County of Jefferson Alabama Sewer Revenue,
Refunding RB, 5.50%, 10/01/53
 
6,495
6,951,539
Energy Southeast A Cooperative District, RB(a)
 
 
 
Series A-1, 5.50%, 11/01/53
 
4,900
5,229,492
Series B, 5.25%, 07/01/54
 
4,040
4,270,755
Series B-1, 5.75%, 04/01/54
 
10,625
11,563,024
Homewood Educational Building Authority, Refunding
RB, 5.00%, 12/01/47
 
1,010
1,023,827
Southeast Energy Authority A Cooperative District,
RB(a)
 
 
 
Series A-1, 5.50%, 01/01/53
 
2,665
2,825,326
Series B-1, 5.00%, 05/01/53
 
7,530
7,753,653
 
 
 
60,957,915
Arizona — 6.2%
 
Arizona Industrial Development Authority, RB
 
 
 
4.38%, 07/01/39(b)
 
875
792,395
5.00%, 07/01/54(b)
 
615
550,955
7.10%, 01/01/55(b)
 
250
253,774
Series A, 5.00%, 07/01/49(b)
 
1,445
1,272,914
Series A, 5.00%, 07/15/49
 
1,000
899,755
Series A, 5.00%, 07/01/54(b)
 
1,110
956,740
Arizona Industrial Development Authority, Refunding
RB
 
 
 
Series A, 5.13%, 07/01/37(b)
 
500
497,209
Series A, 5.38%, 07/01/50(b)
 
1,645
1,543,639
Series A, 5.50%, 07/01/52(b)
 
600
581,773
Series G, 5.00%, 07/01/47(b)
 
2,360
2,129,324
Series S, 5.00%, 07/01/37
 
750
765,561
City of Buckeye Arizona Excise Tax Revenue, RB,
5.00%, 07/01/43
 
4,000
4,045,135
City of Phoenix Civic Improvement Corp., ARB
 
 
 
Series B, AMT, Junior Lien, 5.00%, 07/01/44
 
4,515
4,643,069
AMT, Senior Lien, 5.00%, 07/01/43
 
4,000
4,104,539
Industrial Development Authority of the City of Phoenix
Arizona, RB
 
 
 
5.00%, 07/01/44
 
2,000
1,994,313
Series A, 6.75%, 07/01/44(b)
 
440
440,766
Series A, 5.00%, 07/01/46(b)
 
1,570
1,451,649
Industrial Development Authority of the City of Phoenix
Arizona, Refunding RB
 
 
 
5.00%, 07/01/45(b)
 
500
464,249
5.00%, 07/01/46
 
500
458,224
Industrial Development Authority of the County of
Pima, RB, 5.00%, 07/01/49(b)
 
1,150
1,036,404
Industrial Development Authority of the County of
Pima, Refunding RB(b)
 
 
 
5.00%, 06/15/49
 
1,985
1,825,843
5.00%, 06/15/52
 
530
481,381
Maricopa County Industrial Development Authority, RB
 
 
 
5.00%, 07/01/47
 
1,000
978,493
4.00%, 07/01/50
 
1,500
1,357,426
Maricopa County Industrial Development Authority,
Refunding RB
 
 
 
5.00%, 07/01/47(b)
 
1,000
897,185
Security
 
Par
(000)
Value
Arizona (continued)
 
Maricopa County Industrial Development Authority,
Refunding RB (continued)
 
 
 
5.00%, 07/01/54(b)
$
440
$ 395,208
Series A, 5.00%, 09/01/37
 
1,525
1,606,366
Series A, 4.13%, 09/01/38
 
550
556,773
Series A, 4.13%, 09/01/42
 
750
749,545
Series A, 5.00%, 09/01/42
 
1,000
1,036,868
McAllister Academic Village LLC, Refunding RB,
5.00%, 07/01/39
 
500
510,028
Phoenix-Mesa Gateway Airport Authority, ARB, 5.00%,
07/01/38
 
3,600
3,601,476
Pinal County Industrial Development Authority, RB,
6.25%, 06/01/26
 
155
157,187
Salt River Project Agricultural Improvement & Power
District, RB, Series B, 5.00%, 01/01/48
 
4,560
4,908,789
Salt Verde Financial Corp., RB
 
 
 
5.50%, 12/01/29
 
2,000
2,137,465
5.00%, 12/01/32
 
155
163,131
5.00%, 12/01/37
 
5,610
5,951,591
State of Arizona Distribution Revenue, RB, Series B,
(BHAC-CR FGIC), 5.50%, 07/01/41(c)
 
100
123,221
Student & Academic Services LLC, RB, (BAM), 5.00%,
06/01/39
 
1,400
1,401,259
 
 
 
57,721,622
Arkansas — 0.6%
 
Arkansas Development Finance Authority, RB
 
 
 
AMT, 4.50%, 09/01/49(b)
 
2,135
2,073,838
AMT, 4.75%, 09/01/49(b)
 
2,450
2,388,097
AMT, Sustainability Bonds, 5.70%, 05/01/53
 
1,550
1,585,104
 
 
 
6,047,039
California — 10.3%
 
Alvord Unified School District, Refunding GO, Series B,
Election 2007, (AGM), 0.00%, 08/01/41(d)
 
1,175
546,675
Anaheim Public Financing Authority, RB, Series A,
(AGM), 6.00%, 09/01/24
 
1,265
1,274,934
California Community Choice Financing Authority, RB,
Sustainability Bonds, 5.50%, 10/01/54(a)
 
2,385
2,585,990
California Community Housing Agency, RB, M/F
Housing, 3.00%, 08/01/56(b)
 
440
307,047
California Enterprise Development Authority, RB,
8.00%, 11/15/62(b)
 
1,355
1,329,439
Carlsbad Unified School District, GO, Series B, 6.00%,
05/01/34(c)
 
5,000
5,000,286
CSCDA Community Improvement Authority, RB, M/F
Housing(b)
 
 
 
Sustainability Bonds, 5.00%, 09/01/37
 
330
328,419
Sustainability Bonds, 4.00%, 12/01/56
 
575
418,954
Series A, Sustainability Bonds, 4.00%, 06/01/58
 
1,920
1,372,612
Grossmont Union High School District, GO, Election
2004, 0.00%, 08/01/31(d)
 
5,000
4,013,062
Grossmont-Cuyamaca Community College District,
GO, Series C, Election 2002, (AGC), 0.00%,
08/01/30(d)
 
10,030
8,168,010
Hartnell Community College District, GO, Series D,
7.00%, 08/01/34(c)
 
4,125
4,642,707
Mount San Antonio Community College District,
Refunding GO, CAB, Series A, Convertible, Election
2013, 6.25%, 08/01/43(c)
 
4,445
4,346,460
Norman Y Mineta San Jose International Airport SJC,
Refunding RB, Series A, AMT, 5.00%, 03/01/41
 
2,050
2,099,659
Schedule of Investments
1
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
California (continued)
 
Poway Unified School District, Refunding GO, 0.00%,
08/01/36(d)
$
8,750
$ 5,529,499
Regents of the University of California Medical Center
Pooled Revenue, RB, Series P, 4.00%, 05/15/53
 
5,015
4,904,239
Rio Hondo Community College District, GO(d)
 
 
 
Series C, Election 2004, 0.00%, 08/01/37
 
4,005
2,440,581
Series C, Election 2004, 0.00%, 08/01/38
 
5,000
2,876,472
San Bernardino Community College District, GO,
Series B, 6.38%, 08/01/34(c)
 
10,000
10,073,222
San Diego Unified School District, GO, Series C,
Election 2008, 0.00%, 07/01/38(d)
 
3,800
2,170,518
San Diego Unified School District, Refunding GO,
CAB(d)
 
 
 
Series R-1, 0.00%, 07/01/30
 
5,000
4,076,269
Series R-1, 0.00%, 07/01/31
 
3,005
2,316,362
San Mateo County Community College District, GO,
Series C, (NPFGC), 0.00%, 09/01/30(d)
 
12,740
10,603,701
State of California, GO, 5.50%, 04/01/28
 
5
5,007
Walnut Valley Unified School District, GO, Series B,
Election 2007, 0.00%, 08/01/36(d)
 
5,500
3,268,524
Washington Township Health Care District, GO,
Series B, Election 2004, 5.50%, 08/01/40
 
625
627,895
Yosemite Community College District, GO, Series D,
Election 2004, 0.00%, 08/01/36(d)
 
15,000
9,985,859
 
 
 
95,312,402
Colorado — 1.4%
 
Centerra Metropolitan District No. 1, TA, 5.00%,
12/01/47(b)
 
345
323,797
City & County of Denver Colorado Airport System
Revenue, Refunding ARB, Series A, AMT, 5.00%,
11/15/47
 
875
907,638
City & County of Denver Colorado Pledged Excise Tax
Revenue, RB, CAB, Series A-2, 0.00%, 08/01/37(d)
 
1,760
923,891
Colorado Health Facilities Authority, RB
 
 
 
5.50%, 11/01/47
 
2,400
2,632,101
Series A, 4.00%, 11/15/46
 
2,555
2,384,453
Colorado Health Facilities Authority, Refunding RB,
Series A, 4.00%, 08/01/44
 
1,060
985,327
State of Colorado, COP, Series S, 4.00%, 03/15/40
 
4,400
4,412,928
 
 
 
12,570,135
Connecticut — 0.2%
 
Connecticut Housing Finance Authority, Refunding RB,
S/F Housing, Series A-1, 3.80%, 11/15/39
 
260
246,340
Connecticut State Health & Educational Facilities
Authority, RB
 
 
 
5.25%, 07/15/48
 
525
559,782
4.25%, 07/15/53
 
705
673,129
 
 
 
1,479,251
Delaware — 0.2%
 
Delaware State Health Facilities Authority, RB, 5.00%,
06/01/48
 
1,605
1,532,739
District of Columbia — 0.3%
 
Metropolitan Washington Airports Authority Dulles Toll
Road Revenue, Refunding RB, Series B,
Subordinate, 4.00%, 10/01/49
 
2,875
2,604,164
Florida — 12.0%
 
Capital Trust Agency, Inc., RB(b)
 
 
 
5.00%, 01/01/55
 
825
678,614
Series A, 5.00%, 06/01/55
 
1,285
1,081,130
Security
 
Par
(000)
Value
Florida (continued)
 
Capital Trust Agency, Inc., RB(b) (continued)
 
 
 
Series A, 5.50%, 06/01/57
$
460
$ 416,833
City of Fort Lauderdale Florida Water & Sewer
Revenue, RB
 
 
 
Series A, 5.50%, 09/01/48
 
5,275
5,913,289
Series B, 5.50%, 09/01/48
 
4,615
5,173,385
City of South Miami Health Facilities Authority, Inc.,
Refunding RB, 5.00%, 08/15/42
 
4,215
4,275,497
City of Tampa Florida Water & Wastewater System
Revenue, RB, Series A, Sustainability Bonds,
5.25%, 10/01/57
 
5,055
5,469,480
City of Tampa Florida, RB, Series A, 4.00%, 11/15/46
 
1,920
1,789,715
City of Tampa Florida, RB, CAB(d)
 
 
 
Series A, 0.00%, 09/01/49
 
1,725
471,375
Series A, 0.00%, 09/01/53
 
975
212,709
County of Broward Florida Airport System Revenue,
ARB, Series A, AMT, 4.00%, 10/01/49
 
2,650
2,311,561
County of Broward Florida Port Facilities Revenue,
ARB, AMT, 5.25%, 09/01/47
 
3,650
3,853,513
County of Miami-Dade Florida Aviation Revenue,
Refunding ARB, Series A, AMT, 5.00%, 10/01/44
 
1,745
1,776,371
County of Miami-Dade Florida Aviation Revenue,
Refunding RB
 
 
 
5.00%, 10/01/41
 
3,800
3,878,483
AMT, 5.00%, 10/01/34
 
450
451,267
County of Miami-Dade Seaport Department, Refunding
RB
 
 
 
Series A, AMT, 5.00%, 10/01/41
 
1,315
1,381,105
Series A, AMT, 5.00%, 10/01/47
 
8,600
8,887,822
Series A-1, AMT, (AGM), 4.00%, 10/01/45
 
2,885
2,659,864
County of Osceola Florida Transportation Revenue,
Refunding RB, CAB(d)
 
 
 
Series A-2, 0.00%, 10/01/46
 
1,840
549,699
Series A-2, 0.00%, 10/01/47
 
2,970
838,358
County of Pasco Florida, RB, (AGM), 5.75%, 09/01/54
 
660
729,399
Florida Development Finance Corp., RB(b)
 
 
 
6.50%, 06/30/57
 
1,230
1,174,593
AMT, 5.00%, 05/01/29
 
1,275
1,272,295
Florida Development Finance Corp., Refunding RB
 
 
 
5.00%, 09/15/40(b)
 
710
665,635
AMT, 07/15/32(a)(b)(e)
 
3,300
3,405,679
AMT, (AGM), 07/01/53(e)
 
11,590
12,074,405
Greater Orlando Aviation Authority, ARB
 
 
 
Series A, AMT, 5.00%, 10/01/26(f)
 
3,890
3,999,854
Series A, AMT, 4.00%, 10/01/52
 
6,600
5,800,421
Sub-Series A, AMT, 5.00%, 10/01/47
 
7,865
7,931,995
Hillsborough County Aviation Authority, ARB, Class A,
AMT, 5.00%, 10/01/48
 
5,765
5,839,686
Lakewood Ranch Stewardship District, SAB
 
 
 
5.25%, 05/01/37
 
240
240,903
3.85%, 05/01/39
 
420
362,984
5.38%, 05/01/47
 
260
260,007
4.00%, 05/01/49
 
665
537,462
6.30%, 05/01/54
 
755
797,179
Lakewood Ranch Stewardship District, SAB, S/F
Housing
 
 
 
4.00%, 05/01/40
 
365
318,967
4.00%, 05/01/50
 
605
486,605
Lee County Housing Finance Authority, RB, S/F
Housing, Series A-2, (FHLMC, FNMA, GNMA),
6.00%, 09/01/40
 
20
20,019
2
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
Florida (continued)
 
Orange County Health Facilities Authority, RB
 
 
 
5.00%, 10/01/47
$
1,930
$ 1,990,479
Series A, 5.00%, 10/01/53
 
6,605
6,843,441
Orange County Housing Finance Authority, RB, S/F
Housing, Series A, (FHLMC, FNMA, GNMA), 3.75%,
09/01/47
 
305
269,200
Palm Beach County Health Facilities Authority, RB,
Series B, 4.00%, 11/15/41
 
160
149,139
Seminole Improvement District, RB
 
 
 
5.00%, 10/01/32
 
255
248,613
5.30%, 10/01/37
 
290
280,235
Storey Creek Community Development District, SAB
 
 
 
4.00%, 12/15/39
 
415
363,228
4.13%, 12/15/49
 
350
287,526
Village Community Development District No. 14, SAB,
5.50%, 05/01/53
 
1,910
1,954,893
Village Community Development District No. 15, SAB,
5.25%, 05/01/54(b)
 
790
797,410
 
 
 
111,172,322
Georgia — 3.2%
 
Development Authority for Fulton County, RB, 4.00%,
07/01/49
 
1,855
1,693,690
East Point Business & Industrial Development
Authority, RB, Series A, 5.25%, 06/15/62(b)
 
715
671,100
Gainesville & Hall County Hospital Authority, RB,
Series A, 4.00%, 02/15/51
 
2,875
2,599,770
Main Street Natural Gas, Inc., RB, Series A, 5.00%,
06/01/53(a)
 
7,480
7,811,588
Municipal Electric Authority of Georgia, RB
 
 
 
Class A, (AGM), 5.00%, 07/01/52
 
1,770
1,829,134
Class A, 5.50%, 07/01/63
 
1,275
1,333,586
Series A, 5.00%, 01/01/49
 
4,385
4,467,790
Series A, 5.00%, 01/01/59
 
1,870
1,891,035
Municipal Electric Authority of Georgia, Refunding RB,
Series EE, (AMBAC), 7.00%, 01/01/25
 
7,475
7,614,640
 
 
 
29,912,333
Hawaii — 0.5%
 
State of Hawaii Airports System Revenue, ARB,
Series A, AMT, 5.00%, 07/01/43
 
3,310
3,400,385
State of Hawaii Airports System Revenue, COP
 
 
 
AMT, 5.25%, 08/01/25
 
485
485,149
AMT, 5.25%, 08/01/26
 
525
525,157
 
 
 
4,410,691
Idaho — 0.1%
 
Idaho Housing & Finance Association, RB, S/F
Housing, Series A, (FHLMC, FNMA, GNMA), 4.60%,
01/01/49
 
1,230
1,185,416
Illinois — 11.7%
 
Chicago Board of Education, GO
 
 
 
Series A, 5.00%, 12/01/34
 
3,665
3,880,014
Series A, 5.00%, 12/01/40
 
4,090
4,161,901
Series C, 5.25%, 12/01/35
 
970
970,024
Series D, 5.00%, 12/01/46
 
1,230
1,227,831
Series H, 5.00%, 12/01/36
 
295
299,578
Chicago Board of Education, Refunding GO
 
 
 
Series A, 5.00%, 12/01/30
 
355
373,465
Series G, 5.00%, 12/01/34
 
290
297,848
Chicago Midway International Airport, Refunding ARB
 
 
 
Series B, 5.00%, 01/01/46
 
7,825
7,891,526
Security
 
Par
(000)
Value
Illinois (continued)
 
Chicago Midway International Airport, Refunding
ARB (continued)
 
 
 
Series A, AMT, Senior Lien, (BAM), 5.75%,
01/01/48
$
1,010
$ 1,109,372
Chicago O’Hare International Airport, ARB, Series D,
Senior Lien, 5.25%, 01/01/42
 
6,885
7,110,579
Chicago O’Hare International Airport, Refunding ARB
 
 
 
Series A, AMT, Senior Lien, 5.00%, 01/01/48
 
2,750
2,788,512
Series A, AMT, Senior Lien, 4.38%, 01/01/53
 
2,780
2,599,492
Chicago O’Hare International Airport, Refunding RB,
Series B, AMT, 5.00%, 01/01/31
 
2,500
2,500,196
Chicago Transit Authority Sales Tax Receipts Fund,
RB, 5.25%, 12/01/49
 
1,610
1,614,031
Chicago Transit Authority Sales Tax Receipts Fund,
Refunding RB, Series A, 2nd Lien, 5.00%, 12/01/57
 
2,575
2,613,904
City of Chicago Illinois Wastewater Transmission
Revenue, RB, Series A, 2nd Lien, (AGM), 5.25%,
01/01/58
 
1,185
1,260,383
City of Chicago Illinois Waterworks Revenue, RB,
Series A, 2nd Lien, (AGM), 5.25%, 11/01/53
 
1,920
2,034,595
Illinois Finance Authority, RB, 5.00%, 10/01/48
 
1,760
1,878,315
Illinois Finance Authority, Refunding RB
 
 
 
4.13%, 08/15/37
 
2,430
2,300,772
5.00%, 08/15/44
 
820
823,152
Series A, 5.00%, 11/15/45
 
2,945
2,943,078
Series C, 4.00%, 02/15/41
 
870
824,325
Illinois Housing Development Authority, RB, S/F
Housing, Series A, (FHLMC, FNMA, GNMA), 4.13%,
10/01/38
 
320
312,543
Illinois State Toll Highway Authority, RB
 
 
 
Series A, 5.00%, 01/01/40
 
1,950
1,970,624
Series B, 5.00%, 01/01/40
 
3,245
3,297,186
Metropolitan Pier & Exposition Authority, RB
 
 
 
5.00%, 06/15/57
 
3,005
3,031,228
Series A, (NPFGC), 0.00%, 12/15/26(d)
 
5,000
4,491,391
Series A, (NPFGC), 0.00%, 12/15/33(d)
 
9,950
6,839,793
Metropolitan Pier & Exposition Authority, RB, CAB(d)
 
 
 
(NPFGC), 0.00%, 06/15/30(g)
 
800
646,661
(BAM-TCRS), 0.00%, 12/15/56
 
2,965
557,026
Series A, (NPFGC), 0.00%, 06/15/30
 
14,205
11,269,337
Metropolitan Pier & Exposition Authority, Refunding
RB, Series B, (AGM), 0.00%, 06/15/44(d)
 
8,075
3,156,099
Metropolitan Pier & Exposition Authority, Refunding
RB, CAB, Series B, (BAM-TCRS), 0.00%,
12/15/54(d)
 
4,140
869,881
Regional Transportation Authority, RB, Series B,
(NPFGC), 5.75%, 06/01/33
 
3,200
3,662,750
State of Illinois, GO
 
 
 
5.25%, 02/01/30
 
2,010
2,011,913
5.25%, 02/01/32
 
2,330
2,332,337
5.25%, 02/01/34
 
1,610
1,611,699
5.50%, 05/01/39
 
2,785
3,012,121
Series B, 5.25%, 05/01/41
 
2,345
2,508,153
Series B, 5.50%, 05/01/47
 
1,930
2,081,520
Series C, 5.00%, 12/01/48
 
3,135
3,204,772
Series D, 5.00%, 11/01/27
 
440
460,028
 
 
 
108,829,955
Indiana — 1.0%
 
City of Valparaiso Indiana, RB, AMT, 6.75%, 01/01/34
 
1,350
1,350,668
City of Valparaiso Indiana, Refunding RB(b)(e)
 
 
 
AMT, 01/01/34
 
610
614,538
AMT, 01/01/44
 
540
546,388
Schedule of Investments
3
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
Indiana (continued)
 
Indianapolis Local Public Improvement Bond Bank, RB
 
 
 
5.25%, 02/01/48
$
895
$ 974,916
Series F1, Subordinate, (BAM), 5.00%, 03/01/53
 
5,325
5,509,036
 
 
 
8,995,546
Iowa — 0.0%
 
Iowa Student Loan Liquidity Corp., Refunding RB,
Series B, AMT, 3.00%, 12/01/39
 
195
190,807
Kansas — 0.1%
 
City of Lenexa Kansas, Refunding RB, Series A,
5.00%, 05/15/43
 
550
518,363
Kentucky — 1.4%
 
City of Henderson Kentucky, RB, Series A, AMT,
4.70%, 01/01/52(b)
 
555
543,568
County of Boyle Kentucky, Refunding RB
 
 
 
Series A, 4.25%, 06/01/46
 
740
718,544
Series A, 5.25%, 06/01/49
 
1,305
1,386,971
Fayette County School District Finance Corp., RB
 
 
 
5.00%, 06/01/44
 
1,455
1,536,319
(BAM-TCRS), 5.00%, 06/01/46
 
1,285
1,348,537
Kentucky Public Energy Authority, Refunding RB,
Series A-1, 5.25%, 04/01/54(a)
 
6,790
7,169,308
 
 
 
12,703,247
Louisiana — 3.2%
 
Jefferson Sales Tax District, RB
 
 
 
Series B, (AGM), 5.00%, 12/01/34
 
330
347,916
Series B, (AGM), 5.00%, 12/01/35
 
440
461,936
Series B, (AGM), 5.00%, 12/01/36
 
395
413,124
Series B, (AGM), 5.00%, 12/01/37
 
495
515,827
Lake Charles Harbor & Terminal District, ARB,
Series B, AMT, (AGM), 5.50%, 01/01/29
 
1,500
1,501,256
Louisiana Public Facilities Authority, RB
 
 
 
5.25%, 10/01/48
 
1,905
1,990,056
5.25%, 10/01/53
 
3,760
3,898,868
Louisiana Public Facilities Authority, Refunding RB
 
 
 
5.00%, 05/15/42
 
4,600
4,683,597
5.00%, 05/15/47
 
1,895
1,910,156
Louisiana Stadium & Exposition District, Refunding RB,
Series A, 5.00%, 07/01/48
 
4,020
4,232,573
New Orleans Aviation Board, ARB
 
 
 
Series B, AMT, 5.00%, 01/01/45
 
4,620
4,624,222
Series B, AMT, 5.00%, 01/01/48
 
4,780
4,803,543
 
 
 
29,383,074
Maine — 0.3%
 
Maine Health & Higher Educational Facilities Authority,
RB, Series B, (AGM), 4.75%, 07/01/53
 
3,000
3,071,135
Maryland — 2.1%
 
Anne Arundel County Consolidated Special Taxing
District, Refunding ST, 5.00%, 07/01/32
 
495
495,428
Anne Arundel County Consolidated Special Taxing
District, ST, 5.25%, 07/01/44
 
250
250,015
City of Baltimore Maryland, Refunding RB
 
 
 
Series A, 4.50%, 09/01/33
 
185
177,380
Series A, 5.00%, 09/01/38
 
250
246,167
Convertible, 5.00%, 09/01/46
 
750
686,481
City of Baltimore Maryland, Refunding TA(b)
 
 
 
Series A, Senior Lien, 3.50%, 06/01/39
 
650
548,095
Series A, Senior Lien, 3.63%, 06/01/46
 
1,095
869,044
Security
 
Par
(000)
Value
Maryland (continued)
 
City of Baltimore Maryland, TA(b)
 
 
 
Series B, 3.70%, 06/01/39
$
200
$ 172,882
Series B, 3.88%, 06/01/46
 
300
247,747
County of Howard Maryland, TA, 6.10%, 02/15/44
 
250
250,026
County of Prince George’s Maryland, TA, 5.25%,
07/01/48(b)
 
300
297,371
Howard County Housing Commission, RB, M/F
Housing
 
 
 
5.00%, 12/01/42
 
500
506,834
4.00%, 06/01/46
 
500
441,030
Series A, 5.00%, 06/01/44
 
550
549,995
Maryland Community Development Administration, RB,
M/F Housing, Series D, 3.70%, 07/01/35
 
500
478,774
Maryland Economic Development Corp., RB
 
 
 
5.00%, 07/01/56
 
390
395,287
Class B, AMT, Sustainability Bonds, 5.25%,
06/30/55
 
2,920
2,993,849
Maryland Economic Development Corp., Refunding RB
 
 
 
5.00%, 07/01/37
 
500
489,532
(AGM), 5.00%, 06/01/43
 
1,350
1,367,346
Series A, 5.00%, 06/01/35
 
100
104,144
Maryland Health & Higher Educational Facilities
Authority, RB, Series C, 5.00%, 05/15/45
 
2,875
2,910,077
Maryland Health & Higher Educational Facilities
Authority, Refunding RB
 
 
 
4.00%, 07/01/24(f)
 
100
100,059
5.00%, 07/01/24(f)
 
700
701,541
5.00%, 06/01/29
 
500
500,057
5.00%, 07/01/34
 
510
531,934
5.00%, 07/01/35
 
200
202,469
5.00%, 07/01/40
 
1,000
1,005,500
4.00%, 07/01/41
 
500
484,308
5.00%, 08/15/42
 
1,000
1,004,856
4.13%, 07/01/47
 
500
473,655
 
 
 
19,481,883
Massachusetts — 3.0%
 
Massachusetts Bay Transportation Authority Sales Tax
Revenue, Refunding RB, Series A, 5.25%, 07/01/29
 
730
813,636
Massachusetts Development Finance Agency, RB
 
 
 
5.00%, 10/01/46
 
500
499,996
5.00%, 07/01/47
 
580
568,452
5.00%, 10/01/48
 
200
184,812
Series A, 5.25%, 01/01/42
 
500
504,529
Series A, (AMBAC), 5.75%, 01/01/42
 
650
782,765
Series A, 5.00%, 01/01/47
 
5,945
5,825,977
Massachusetts Development Finance Agency,
Refunding RB
 
 
 
4.00%, 07/01/39
 
2,545
2,348,772
5.00%, 04/15/40
 
1,000
994,948
4.13%, 10/01/42(b)
 
550
482,254
5.00%, 07/01/47
 
7,685
7,750,182
Series A, 4.00%, 06/01/29(f)
 
420
442,055
Series E, 4.00%, 07/01/38
 
500
489,702
Series P, 5.45%, 05/15/59
 
1,500
1,646,840
Massachusetts Educational Financing Authority, RB
 
 
 
AMT, 5.00%, 01/01/27
 
1,000
1,005,289
Series B, AMT, 2.63%, 07/01/36
 
30
29,677
Massachusetts Educational Financing Authority,
Refunding RB, AMT, 3.50%, 07/01/33
 
80
74,710
Massachusetts Health & Educational Facilities
Authority, Refunding RB, Series M, 5.50%, 02/15/27
 
1,000
1,059,742
4
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
Massachusetts (continued)
 
Massachusetts Housing Finance Agency, RB, M/F
Housing, Series A, 3.80%, 12/01/43
$
500
$ 434,687
Massachusetts Housing Finance Agency, Refunding
RB
 
 
 
Series A, AMT, 4.45%, 12/01/42
 
910
856,775
Series A, AMT, 4.50%, 12/01/47
 
245
232,313
Massachusetts State College Building Authority,
Refunding RB, Series B, (AGC SAP), 5.50%,
05/01/39
 
825
985,749
 
 
 
28,013,862
Michigan — 4.3%
 
City of Lansing Michigan, Refunding GO, Series B,
(AGM), 4.13%, 06/01/48
 
5,035
4,663,056
Eastern Michigan University, RB, Series A, 4.00%,
03/01/28(f)
 
60
62,176
Lansing Board of Water & Light, RB, Series A, 5.00%,
07/01/51
 
3,740
3,937,012
Michigan Finance Authority, RB
 
 
 
4.00%, 02/15/50
 
5,000
4,570,706
5.50%, 02/28/57
 
505
540,202
4.00%, 02/15/44
 
1,695
1,597,120
Series A, 4.00%, 11/15/50
 
5,680
5,131,199
Michigan Finance Authority, Refunding RB, 4.00%,
11/15/46
 
3,420
3,139,070
Michigan State Building Authority, Refunding RB,
Series II, 4.00%, 10/15/47
 
1,965
1,853,307
Michigan State Housing Development Authority, RB,
M/F Housing
 
 
 
Series A, 4.05%, 10/01/48
 
1,855
1,611,781
Series A, 2.55%, 10/01/51
 
2,360
1,494,680
Michigan Strategic Fund, RB, AMT, 5.00%, 12/31/43
 
6,310
6,219,335
State of Michigan Trunk Line Revenue, RB, 4.00%,
11/15/46
 
2,485
2,380,796
State of Michigan Trunk Line Revenue, RB, BAB,
5.00%, 11/15/46
 
2,665
2,867,282
 
 
 
40,067,722
Minnesota — 0.6%
 
Minnesota Agricultural & Economic Development
Board, RB, 5.25%, 01/01/54
 
4,050
4,306,679
Minnesota Higher Education Facilities Authority, RB,
Series A, Sustainability Bonds, 5.00%, 10/01/47
 
1,615
1,677,486
 
 
 
5,984,165
Missouri — 0.9%
 
Health & Educational Facilities Authority of the State of
Missouri, RB, 4.00%, 06/01/53
 
5,660
5,102,251
Kansas City Industrial Development Authority, ARB
 
 
 
Class B, AMT, 5.00%, 03/01/46
 
530
544,239
Series B, AMT, 5.00%, 03/01/39
 
2,505
2,603,257
 
 
 
8,249,747
Nebraska — 1.7%
 
Central Plains Energy Project, Refunding RB, Series A,
5.00%, 09/01/37
 
4,260
4,437,420
Omaha Public Power District, RB, Series A, 5.25%,
02/01/48
 
7,985
8,723,814
Omaha Public Power District, Refunding RB, Series A,
4.00%, 02/01/42
 
2,860
2,831,690
 
 
 
15,992,924
Security
 
Par
(000)
Value
Nevada — 1.2%
 
County of Clark Nevada, RB, Subordinate, (AGM),
4.00%, 07/01/40
$
7,285
$ 7,237,188
Las Vegas Convention & Visitors Authority, RB,
Series B, 4.00%, 07/01/49
 
1,000
914,743
Las Vegas Valley Water District, GO, Series A, 4.00%,
06/01/51
 
2,910
2,694,613
 
 
 
10,846,544
New Hampshire — 0.4%
 
New Hampshire Business Finance Authority, RB, M/F
Housing, Series 2, 4.25%, 07/20/41
 
1,394
1,355,592
New Hampshire Housing Finance Authority, RB, M/F
Housing, Series 1, 4.00%, 07/01/52
 
3,200
2,599,377
 
 
 
3,954,969
New Jersey — 8.3%
 
Camden County Improvement Authority, RB,
Sustainability Bonds, 6.00%, 06/15/62
 
655
683,274
City of Newark New Jersey, GO, (SAW), 4.50%,
03/15/36
 
3,555
3,601,741
Hudson County Improvement Authority, RB, 5.00%,
05/01/46
 
1,930
1,956,876
New Jersey Economic Development Authority, RB
 
 
 
Series WW, 5.00%, 06/15/25(f)
 
485
493,138
Series WW, 5.25%, 06/15/25(f)
 
1,125
1,146,924
AMT, (AGM), 5.00%, 01/01/31
 
900
900,342
AMT, 5.13%, 01/01/34
 
1,620
1,621,135
AMT, 5.38%, 01/01/43
 
2,115
2,115,973
New Jersey Economic Development Authority,
Refunding RB
 
 
 
Series BBB, 5.50%, 12/15/26(f)
 
5,360
5,669,582
Sub-Series A, 4.00%, 07/01/32
 
1,510
1,518,710
New Jersey Higher Education Student Assistance
Authority, RB, Series C, AMT, Subordinate, 4.25%,
12/01/50
 
2,135
1,883,666
New Jersey Higher Education Student Assistance
Authority, Refunding RB, Series B, AMT, 4.00%,
12/01/41
 
3,180
3,108,079
New Jersey Housing & Mortgage Finance Agency, RB,
S/F Housing, Series K, 10/01/44(e)
 
1,160
1,161,374
New Jersey Transportation Trust Fund Authority, RB
 
 
 
4.13%, 06/15/39
 
1,210
1,213,970
Series A, (NPFGC), 5.75%, 06/15/25
 
2,000
2,044,150
Series A, 0.00%, 12/15/29(d)
 
7,530
6,121,583
Series AA, 5.00%, 06/15/38
 
4,325
4,332,181
Series AA, 4.00%, 06/15/40
 
1,060
1,043,597
Series AA, 5.00%, 06/15/45
 
2,710
2,841,645
Series AA, 4.00%, 06/15/50
 
2,000
1,850,263
Series BB, 5.00%, 06/15/46
 
6,200
6,599,463
Series BB, 4.00%, 06/15/50
 
4,900
4,558,585
Series D, 5.00%, 06/15/32
 
1,610
1,623,549
New Jersey Transportation Trust Fund Authority,
Refunding RB
 
 
 
Series A, 5.00%, 12/15/36
 
180
190,834
Series A, 5.00%, 06/15/37
 
1,940
2,150,959
Series A, 5.25%, 06/15/42
 
775
852,993
New Jersey Turnpike Authority, RB, Series A, 4.00%,
01/01/48
 
2,650
2,511,633
Passaic Valley Water Commission, RB, (AGM), 4.00%,
12/01/53
 
925
848,781
Schedule of Investments
5
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
New Jersey (continued)
 
Tobacco Settlement Financing Corp., Refunding RB
 
 
 
Series A, 5.00%, 06/01/35
$
3,220
$ 3,383,123
Sub-Series B, 5.00%, 06/01/46
 
8,360
8,437,334
 
 
 
76,465,457
New Mexico — 0.0%
 
City of Santa Fe New Mexico, RB, Series A, 5.00%,
05/15/44
 
415
380,835
New York — 13.3%
 
City of New York, GO
 
 
 
Series A-1, 5.00%, 08/01/47
 
930
978,922
Series B, 5.25%, 10/01/41
 
1,955
2,167,217
Metropolitan Transportation Authority, RB, Series D-2,
Sustainability Bonds, 4.00%, 11/15/48
 
4,090
3,711,446
Metropolitan Transportation Authority, Refunding RB
 
 
 
Series B, 5.00%, 11/15/29
 
540
562,373
Series C-1, 5.00%, 11/15/56
 
6,550
6,614,931
New York City Municipal Water Finance Authority, RB
 
 
 
Series AA-1, 5.25%, 06/15/52
 
5,600
6,072,970
Series GG, 5.00%, 06/15/50
 
1,680
1,763,361
Sub-Series CC-1, 5.25%, 06/15/54
 
995
1,088,691
New York City Transitional Finance Authority Building
Aid Revenue, RB, Series S-1, Subordinate, (SAW),
4.00%, 07/15/42
 
2,910
2,909,846
New York City Transitional Finance Authority Future
Tax Secured Revenue, RB, Series F-1, Subordinate,
5.00%, 02/01/43
 
7,695
8,362,853
New York City Transitional Finance Authority, RB,
Series B, Subordinate, 5.00%, 05/01/48
 
8,085
8,633,817
New York Counties Tobacco Trust IV, Refunding RB,
Series A, 6.25%, 06/01/41(b)
 
1,100
1,100,223
New York Liberty Development Corp., Refunding RB
 
 
 
Class 1, 5.00%, 11/15/44(b)
 
2,630
2,631,643
Series A, Sustainability Bonds, (BAM-TCRS),
3.00%, 11/15/51
 
7,485
5,529,197
Series A, Sustainability Bonds, 3.00%, 11/15/51
 
2,185
1,572,377
New York Power Authority, Refunding RB
 
 
 
Series A, Sustainability Bonds, 4.00%, 11/15/55
 
2,185
2,043,176
Series A, Sustainability Bonds, 4.00%, 11/15/60
 
1,570
1,441,558
New York State Dormitory Authority, Refunding RB,
Series A, 4.00%, 03/15/54
 
2,710
2,517,913
New York State Housing Finance Agency, RB, M/F
Housing, Series B, Sustainability Bonds,
(SONYMA), 3.88%, 11/01/48
 
400
332,601
New York State Thruway Authority, RB, Series N,
4.00%, 01/01/46
 
2,630
2,531,559
New York State Thruway Authority, Refunding RB,
Series B, Subordinate, 4.00%, 01/01/50
 
510
467,120
New York State Urban Development Corp., RB,
Series A, 5.00%, 03/15/46
 
6,000
6,482,249
New York State Urban Development Corp., Refunding
RB, 4.00%, 03/15/46
 
5,960
5,662,497
New York Transportation Development Corp., ARB
 
 
 
AMT, 5.00%, 12/01/36
 
1,650
1,754,933
AMT, 5.63%, 04/01/40
 
1,700
1,839,804
New York Transportation Development Corp., RB
 
 
 
AMT, 5.00%, 10/01/35
 
3,460
3,645,227
AMT, Sustainability Bonds, (AGM), 5.50%, 06/30/44
 
3,295
3,563,752
Port Authority of New York & New Jersey, ARB
 
 
 
AMT, 5.00%, 11/01/49
 
5,600
5,720,752
Series 221, AMT, 4.00%, 07/15/55
 
5,155
4,524,730
Security
 
Par
(000)
Value
New York (continued)
 
Port Authority of New York & New Jersey, Refunding
ARB, Series 197, AMT, 5.00%, 11/15/35
$
905
$ 926,866
Triborough Bridge & Tunnel Authority Sales Tax
Revenue, RB
 
 
 
Series A, 4.13%, 05/15/53
 
11,585
10,927,715
Series A, 4.50%, 05/15/63
 
3,500
3,449,372
Triborough Bridge & Tunnel Authority, Refunding RB
 
 
 
Series A, 5.00%, 05/15/47
 
6,120
6,519,192
Series C, 5.00%, 05/15/47
 
5,000
5,326,129
 
 
 
123,377,012
North Carolina — 0.9%
 
North Carolina Housing Finance Agency, RB, S/F
Housing, Series 52-A, Sustainability Bonds,
(FHLMC, FNMA, GNMA), 5.00%, 07/01/46
 
1,615
1,670,861
University of North Carolina at Chapel Hill, RB, 5.00%,
02/01/49
 
6,510
6,899,690
 
 
 
8,570,551
Ohio — 2.4%
 
Buckeye Tobacco Settlement Financing Authority,
Refunding RB, Series B-2, Class 2, 5.00%,
06/01/55
 
12,065
10,936,251
County of Franklin Ohio, RB, 5.00%, 11/01/48
 
1,650
1,767,789
Northeast Ohio Regional Sewer District, Refunding RB,
4.00%, 11/15/24(f)
 
2,170
2,175,152
Ohio Housing Finance Agency, RB, S/F Housing,
Series A, (FHLMC, FNMA, GNMA), 4.00%,
09/01/48
 
350
343,186
Ohio Turnpike & Infrastructure Commission, RB, CAB,
Series A-2, Junior Lien, 0.00%, 02/15/37(d)
 
10,040
6,114,367
State of Ohio, Refunding RB, Series A, 4.00%,
01/15/50
 
1,055
961,776
 
 
 
22,298,521
Oklahoma — 0.4%
 
Oklahoma Development Finance Authority, RB,
Series B, 5.50%, 08/15/52
 
560
568,673
Oklahoma Turnpike Authority, RB, Series A, 4.00%,
01/01/48
 
1,640
1,559,385
Oklahoma Water Resources Board, RB, (OK CERF),
4.00%, 04/01/48
 
1,280
1,216,461
Tulsa County Industrial Authority, Refunding RB,
5.25%, 11/15/37
 
450
447,488
 
 
 
3,792,007
Oregon — 0.2%
 
Clackamas Community College District, GO(c)
 
 
 
Series A, 5.00%, 06/15/39
 
605
629,856
Series A, 5.00%, 06/15/40
 
440
456,968
Clackamas County School District No. 12 North
Clackamas, GO, CAB, Series A, 0.00%, 06/15/38(d)
 
2,355
1,179,439
 
 
 
2,266,263
Pennsylvania — 8.4%
 
Allegheny County Airport Authority, ARB, Series A,
AMT, 5.00%, 01/01/51
 
3,600
3,671,690
Bucks County Industrial Development Authority, RB,
4.00%, 07/01/46
 
425
319,142
Pennsylvania Economic Development Financing
Authority, RB
 
 
 
5.00%, 12/31/38
 
8,670
8,716,716
5.00%, 06/30/42
 
6,910
6,899,982
AMT, 5.50%, 06/30/41
 
3,290
3,600,419
6
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
Pennsylvania (continued)
 
Pennsylvania Economic Development Financing
Authority, RB (continued)
 
 
 
AMT, 5.75%, 06/30/48
$
2,855
$ 3,090,570
AMT, 5.25%, 06/30/53
 
4,695
4,864,512
Pennsylvania Economic Development Financing
Authority, Refunding RB, AMT, 5.50%, 11/01/44
 
1,000
984,608
Pennsylvania Higher Education Assistance Agency,
RB, Series B, AMT, Subordinate, 3.00%, 06/01/47
 
470
340,011
Pennsylvania Higher Educational Facilities Authority,
RB, 4.00%, 08/15/44
 
1,000
948,355
Pennsylvania Higher Educational Facilities Authority,
Refunding RB, Series A, 5.00%, 09/01/45
 
6,850
6,853,197
Pennsylvania Housing Finance Agency, Refunding RB,
S/F Housing, Series 142-A, Sustainability Bonds,
5.00%, 10/01/50
 
1,500
1,535,804
Pennsylvania Turnpike Commission, RB
 
 
 
Series A, 5.00%, 12/01/38
 
1,480
1,492,249
Series A-1, 5.00%, 12/01/41
 
4,835
4,936,241
Series A-1, 5.00%, 12/01/47
 
3,380
3,475,075
Series C, 5.00%, 12/01/39
 
4,775
4,814,519
Series A, Subordinate, 5.00%, 12/01/44
 
4,700
4,894,409
Series B, Subordinate, 4.00%, 12/01/51
 
665
607,111
Pennsylvania Turnpike Commission, Refunding RB,
Series A-1, 5.00%, 12/01/40
 
1,805
1,817,849
Philadelphia Authority for Industrial Development, RB,
Class A, 4.00%, 07/01/24
 
2,900
2,900,764
School District of Philadelphia, GO
 
 
 
Series A, (SAW), 5.50%, 09/01/48
 
8,015
8,693,231
Series B, Sustainability Bonds, (SAW), 5.00%,
09/01/48
 
2,070
2,146,158
 
 
 
77,602,612
Puerto Rico — 5.3%
 
Puerto Rico Sales Tax Financing Corp. Sales Tax
Revenue, RB
 
 
 
Series A-1, Restructured, 4.75%, 07/01/53
 
4,709
4,593,358
Series A-1, Restructured, 5.00%, 07/01/58
 
15,881
15,809,428
Series A-2, Restructured, 4.54%, 07/01/53
 
500
470,798
Series A-2, Restructured, 4.78%, 07/01/58
 
1,528
1,481,838
Series A-2, Restructured, 4.33%, 07/01/40
 
19,762
19,275,852
Series B-1, Restructured, 4.75%, 07/01/53
 
962
937,535
Series B-2, Restructured, 4.78%, 07/01/58
 
1,335
1,295,846
Puerto Rico Sales Tax Financing Corp. Sales Tax
Revenue, RB, CAB, Series A-1, Restructured,
0.00%, 07/01/46(d)
 
16,341
5,091,872
 
 
 
48,956,527
Rhode Island — 0.2%
 
Rhode Island Student Loan Authority, RB, Series A,
AMT, 3.63%, 12/01/37
 
820
756,328
Rhode Island Turnpike & Bridge Authority, Refunding
RB, Series A, 5.00%, 10/01/40
 
695
708,115
 
 
 
1,464,443
South Carolina — 4.6%
 
County of Berkeley South Carolina, SAB
 
 
 
4.25%, 11/01/40
 
485
428,978
4.38%, 11/01/49
 
715
590,854
Patriots Energy Group Financing Agency, RB,
Series A1, 5.25%, 10/01/54(a)
 
6,040
6,353,933
South Carolina Jobs-Economic Development Authority,
RB
 
 
 
5.00%, 11/01/43
 
3,090
3,174,749
5.00%, 01/01/55(b)
 
2,290
1,881,598
Security
 
Par
(000)
Value
South Carolina (continued)
 
South Carolina Jobs-Economic Development Authority,
RB (continued)
 
 
 
7.50%, 08/15/62(b)
$
1,455
$ 1,340,552
South Carolina Jobs-Economic Development Authority,
Refunding RB, Series A, 4.25%, 05/01/48
 
1,685
1,567,132
South Carolina Ports Authority, ARB, Series B, AMT,
4.00%, 07/01/49
 
2,690
2,361,442
South Carolina Public Service Authority, RB
 
 
 
Series A, 5.50%, 12/01/54
 
16,210
16,213,169
Series A, 4.00%, 12/01/55
 
1,950
1,718,955
Series E, 5.50%, 12/01/53
 
1,730
1,730,647
South Carolina Public Service Authority, Refunding RB,
5.00%, 12/01/38
 
4,930
4,931,448
South Carolina State Housing Finance & Development
Authority, Refunding RB, S/F Housing, Series A,
4.95%, 07/01/53
 
275
292,798
 
 
 
42,586,255
Tennessee — 3.5%
 
Knox County Health Educational & Housing Facility
Board, RB, Series A-1, (BAM), 5.50%, 07/01/59
 
615
656,080
Memphis-Shelby County Airport Authority, ARB,
Series A, AMT, 5.00%, 07/01/49
 
3,655
3,689,361
Metropolitan Government Nashville & Davidson County
Health & Educational Facilities Board, RB, 5.25%,
05/01/48
 
745
792,883
Metropolitan Government Nashville & Davidson County
Health & Educational Facilities Board, Refunding
RB, 5.25%, 10/01/58
 
3,070
3,112,792
Metropolitan Nashville Airport Authority, ARB, Series B,
AMT, 5.00%, 07/01/52
 
3,795
3,841,564
Tennergy Corp., RB, Series A, 5.50%, 10/01/53(a)
 
3,805
3,994,657
Tennessee Energy Acquisition Corp., RB, Series A,
5.00%, 05/01/52(a)
 
15,950
16,648,063
 
 
 
32,735,400
Texas — 11.8%
 
Arlington Higher Education Finance Corp., RB(b)
 
 
 
7.50%, 04/01/62
 
1,545
1,540,537
7.88%, 11/01/62
 
1,335
1,334,591
Board of Regents of the University of Texas System,
Refunding RB, Series B, 5.00%, 08/15/49
 
4,305
4,897,896
Celina Independent School District, GO, (PSF), 5.00%,
02/15/47
 
4,530
4,845,953
Central Texas Turnpike System, RB
 
 
 
Series C, 5.00%, 08/15/37
 
3,290
3,298,263
Series C, 5.00%, 08/15/42
 
2,325
2,325,782
City of Austin Texas Airport System Revenue, ARB
 
 
 
AMT, 5.00%, 11/15/44
 
1,000
1,001,312
AMT, 5.25%, 11/15/47
 
3,300
3,477,545
City of Corpus Christi Texas Utility System Revenue,
Refunding RB, 4.00%, 07/15/48
 
1,790
1,697,769
City of El Paso Texas Water & Sewer Revenue,
Refunding RB, 5.25%, 03/01/49
 
2,495
2,702,854
City of Garland Texas Electric Utility System Revenue,
Refunding RB, (AGM), 4.25%, 03/01/48
 
370
359,397
City of Houston Texas Airport System Revenue, ARB,
Series A, AMT, 6.63%, 07/15/38
 
1,330
1,332,082
City of Houston Texas Airport System Revenue,
Refunding ARB
 
 
 
AMT, 5.00%, 07/15/27
 
765
783,940
Series A, AMT, 1st Lien, Subordinate, (AGM),
5.25%, 07/01/48
 
5,205
5,495,038
Schedule of Investments
7
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
Texas (continued)
 
City of Houston Texas Airport System Revenue,
Refunding RB
 
 
 
Series A, AMT, 5.00%, 07/01/27
$
740
$ 758,151
Sub-Series A, AMT, 4.00%, 07/01/46
 
2,780
2,547,671
Sub-Series A, AMT, 4.00%, 07/01/48
 
11,670
10,728,351
County of Harris Texas Toll Road Revenue, Refunding
RB, 1st Lien, 4.00%, 08/15/45
 
1,575
1,525,832
Dallas Fort Worth International Airport, Refunding RB,
Series B, 4.00%, 11/01/45
 
6,595
6,246,426
Denton Independent School District, GO, (PSF),
5.00%, 08/15/48
 
6,570
7,039,057
Dickinson Independent School District, GO, (PSF),
4.13%, 02/15/48
 
1,285
1,226,232
Harris County Cultural Education Facilities Finance
Corp., Refunding RB, 4.00%, 10/01/47
 
6,820
6,367,871
Harris County Flood Control District, Refunding GO,
Series A, Sustainability Bonds, 4.00%, 09/15/48
 
1,775
1,648,931
Hutto Independent School District, GO, (PSF), 5.00%,
08/01/48
 
205
219,484
Klein Independent School District, GO, (PSF), 4.00%,
08/01/46
 
4,020
3,773,395
Leander Independent School District, Refunding GO,
CAB, Series D, (PSF), 0.00%, 08/15/24(d)(f)
 
8,085
4,107,590
Midland County Fresh Water Supply District No. 1, RB,
CAB, Series A, 0.00%, 09/15/27(d)(f)
 
5,000
2,880,773
New Hope Cultural Education Facilities Finance Corp.,
RB, Series A, 5.00%, 08/15/50(b)
 
1,210
1,089,472
North Texas Tollway Authority, Refunding RB, 4.25%,
01/01/49
 
3,175
3,009,059
Port Authority of Houston of Harris County Texas, ARB,
1st Lien, 5.00%, 10/01/53
 
1,840
1,946,055
San Antonio Public Facilities Corp., Refunding RB,
Convertible, 4.00%, 09/15/42
 
4,435
4,203,382
Spring Branch Independent School District, GO, (PSF),
4.00%, 02/01/48
 
1,705
1,605,850
Tarrant County Cultural Education Facilities Finance
Corp., RB
 
 
 
Series A, 4.00%, 07/01/53
 
1,895
1,704,024
Series A, 5.00%, 07/01/53
 
2,325
2,413,759
Texas City Industrial Development Corp., RB,
Series 2012, 4.13%, 12/01/45
 
690
606,303
Texas Municipal Gas Acquisition & Supply Corp. III,
Refunding RB, 5.00%, 12/15/32
 
5,395
5,677,076
Texas Transportation Commission State Highway
249 System, RB, CAB(d)
 
 
 
0.00%, 08/01/35
 
310
193,031
0.00%, 08/01/36
 
170
100,057
0.00%, 08/01/37
 
225
124,678
0.00%, 08/01/38
 
810
422,567
0.00%, 08/01/41
 
1,950
837,238
0.00%, 08/01/44
 
695
245,972
0.00%, 08/01/45
 
1,775
591,796
 
 
 
108,933,042
Utah — 2.1%
 
City of Salt Lake City Utah Airport Revenue, ARB
 
 
 
Series A, AMT, 5.00%, 07/01/47
 
11,685
11,768,394
Security
 
Par
(000)
Value
Utah (continued)
 
City of Salt Lake City Utah Airport Revenue,
ARB (continued)
 
 
 
Series A, AMT, 5.25%, 07/01/48
$
865
$ 905,212
Series A, AMT, 5.00%, 07/01/51
 
5,330
5,423,565
Utah Charter School Finance Authority, RB, 5.00%,
06/15/49(b)
 
485
441,221
Utah Charter School Finance Authority, Refunding RB,
5.00%, 06/15/55(b)
 
935
853,410
 
 
 
19,391,802
Virginia — 0.5%
 
Tobacco Settlement Financing Corp., Refunding RB,
Series B-1, 5.00%, 06/01/47
 
4,920
4,570,418
Washington — 0.3%
 
Port of Seattle Washington, ARB, Series C, AMT,
Intermediate Lien, 5.00%, 05/01/42
 
2,655
2,693,803
Wisconsin — 0.9%
 
Public Finance Authority, RB
 
 
 
5.00%, 10/15/41(b)
 
570
487,489
5.00%, 10/15/56(b)
 
225
179,005
Class A, 6.00%, 06/15/52
 
505
456,952
Class A, 6.13%, 06/15/57
 
570
521,244
Series A, 5.00%, 07/01/40(b)
 
450
401,997
Series A, 5.00%, 10/15/40(b)
 
1,130
1,031,353
Series A, 5.00%, 10/15/55(b)
 
1,545
1,280,756
Series A-1, 4.50%, 01/01/35(b)
 
595
559,124
Public Finance Authority, Refunding RB, 5.00%,
09/01/49(b)
 
825
662,290
Wisconsin Housing & Economic Development Authority
Home Ownership Revenue, RB, S/F Housing,
Series A, Sustainability Bonds, 1.95%, 09/01/32
 
450
376,100
Wisconsin Housing & Economic Development Authority
Housing Revenue, RB, M/F Housing, Series A,
4.15%, 11/01/48
 
2,745
2,659,621
 
 
 
8,615,931
Total Municipal Bonds — 136.6%
(Cost: $1,240,165,141)
1,265,890,851
Municipal Bonds Transferred to Tender Option Bond Trusts(h)
Alabama — 1.1%
 
Black Belt Energy Gas District, RB, Series C-1, 5.25%,
02/01/53(a)
 
9,340
9,769,588
District of Columbia — 0.3%
 
District of Columbia Housing Finance Agency, RB, M/F
Housing, Series B-2, 4.10%, 09/01/39
 
3,052
3,017,160
Florida — 1.7%
 
City of Tampa Florida Water & Wastewater System
Revenue, RB, Series A, Sustainability Bonds,
5.25%, 10/01/57
 
7,850
8,493,653
County of Seminole Florida Sales Tax Revenue,
Refunding RB, Series B, (NPFGC), 5.25%,
10/01/31
 
6,300
7,008,004
 
 
 
15,501,657
8
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
(Percentages shown are based on Net Assets)
Security
 
Par
(000)
Value
Georgia — 1.2%
 
Main Street Natural Gas, Inc., Refunding RB,
Series E-1, 5.00%, 12/01/53(a)
$
10,154
$ 10,683,263
Idaho — 0.8%
 
Idaho Housing & Finance Association, RB, Series A,
5.25%, 08/15/48
 
6,820
7,507,959
Illinois — 0.8%
 
Illinois Finance Authority, Refunding RB, Series A,
5.00%, 08/15/51
 
7,123
7,415,729
Massachusetts — 1.0%
 
Massachusetts Port Authority, ARB, Series E, AMT,
5.00%, 07/01/51
 
9,084
9,305,646
Michigan — 0.3%
 
Michigan State Housing Development Authority, RB,
M/F Housing, Series A, 4.05%, 10/01/48
 
2,748
2,583,902
New York — 3.2%
 
New York City Housing Development Corp., Refunding
RB, Series A, 4.15%, 11/01/38
 
5,885
5,661,794
New York State Dormitory Authority, Refunding RB,
Series A, 4.00%, 03/15/47
 
6,600
6,297,329
Port Authority of New York & New Jersey, Refunding
ARB, 5.25%, 10/15/57
 
5,090
5,232,390
Triborough Bridge & Tunnel Authority, RB, Series A,
5.00%, 11/15/51
 
7,270
7,630,493
Triborough Bridge & Tunnel Authority, Refunding RB,
Series C, 4.13%, 05/15/52
 
5,520
5,299,886
 
 
 
30,121,892
Oregon — 0.9%
 
Port of Portland Oregon Airport Revenue, Refunding
ARB, Series 29, AMT, 5.50%, 07/01/48
 
7,450
8,053,581
Texas — 1.7%
 
City of San Antonio Texas Electric & Gas Systems
Revenue, Refunding RB, Series A, 5.50%, 02/01/50
 
5,890
6,493,685
Tarrant County Cultural Education Facilities Finance
Corp., RB, 5.00%, 11/15/51
 
9,243
9,657,854
 
 
 
16,151,539
Virginia — 1.2%
 
Hampton Roads Transportation Accountability
Commission, RB, Series A, 4.00%, 07/01/57
 
11,880
10,997,262
Total Municipal Bonds Transferred to Tender Option Bond
Trusts — 14.2%
(Cost: $127,830,522)
131,109,178
Total Long-Term Investments — 150.8%
(Cost: $1,367,995,663)
1,397,000,029
 
Security
 
 
Shares
Value
Short-Term Securities
Money Market Funds — 4.5%
 
BlackRock Liquidity Funds, MuniCash, Institutional
Shares, 3.45%(i)(j)
 
41,666,660
$    41,670,827
Total Short-Term Securities — 4.5%
(Cost: $41,669,402)
41,670,827
Total Investments — 155.3%
(Cost: $1,409,665,065)
1,438,670,856
Other Assets Less Liabilities — 0.2%
2,364,562
Liability for TOB Trust Certificates, Including Interest Expense and
Fees Payable — (6.9)%
(64,322,211
)
VRDP Shares at Liquidation Value, Net of Deferred Offering Costs —
(48.6)%
(450,285,993
)
Net Assets Applicable to Common Shares — 100.0%
$   926,427,214
 
(a)
Variable rate security. Interest rate resets periodically. The rate shown is the effective
interest rate as of period end. Security description also includes the reference rate and
spread if published and available.
(b)
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.
(c)
Step coupon security. Coupon rate will either increase (step-up bond) or decrease (step-
down bond) at regular intervals until maturity. Interest rate shown reflects the rate currently
in effect.
(d)
Zero-coupon bond.
(e)
When-issued security.
(f)
U.S. Government securities held in escrow, are used to pay interest on this security as
well as to retire the bond in full at the date indicated, typically at a premium to par.
(g)
Security is collateralized by municipal bonds or U.S. Treasury obligations.
(h)
Represent bonds transferred to a TOB Trust in exchange of cash and residual certificates
received by the Fund. These bonds serve as collateral in a secured borrowing.
(i)
Affiliate of the Fund.
(j)
Annualized 7-day yield as of period end.
For purposes of this report, industry and sector sub-classifications may differ from those utilized by the Fund for compliance purposes. 
Schedule of Investments
9
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
 
Affiliates
Investments in issuers considered to be affiliate(s) of the Fund during the period ended April 30, 2024 for purposes of Section 2(a)(3) of the Investment Company Act of 1940, as amended, were as follows: 
Affiliated Issuer
Value at
07/31/23
Purchases
at Cost
Proceeds
from Sales
Net
Realized
Gain (Loss)
Change in
Unrealized
Appreciation
(Depreciation)
Value at
04/30/24
Shares
Held at
04/30/24
Income
Capital Gain
Distributions
from
Underlying
Funds
BlackRock Liquidity Funds, MuniCash, Institutional
Shares
$ 16,360,404
$ 25,304,061
(a)
$ —
$ 4,937
$ 1,425
$ 41,670,827
41,666,660
$ 902,814
$ —
 
(a)
Represents net amount purchased (sold).
Fair Value Hierarchy as of Period End
Various inputs are used in determining the fair value of financial instruments. These inputs to valuation techniques are categorized into a fair value hierarchy consisting of three broad levels for financial reporting purposes as follows:
• Level 1 – Unadjusted price quotations in active markets/exchanges for identical assets or liabilities that the Fund has the ability to access;
• Level 2 – Other observable inputs (including, but not limited to, quoted prices for similar assets or liabilities in markets that are active, quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the assets or liabilities (such as interest rates, yield curves, volatilities, prepayment speeds, loss severities, credit risks and default rates) or other market–corroborated inputs); and
• Level 3 – Unobservable inputs based on the best information available in the circumstances, to the extent observable inputs are not available (including the Valuation Committee’s assumptions used in determining the fair value of financial instruments).
The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1 measurements) and the lowest priority to unobservable inputs (Level 3 measurements). Accordingly, the degree of judgment exercised in determining fair value is greatest for instruments categorized in Level 3. The inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, for disclosure purposes, the fair value hierarchy classification is determined based on the lowest level input that is significant to the fair value measurement in its entirety. Investments classified within Level 3 have significant unobservable inputs used by the Valuation Committee in determining the price for Fair Valued Investments. Level 3 investments include equity or debt issued by privately held companies or funds. There may not be a secondary market, and/or there are a limited number of investors. The categorization of a value determined for financial instruments is based on the pricing transparency of the financial instruments and is not necessarily an indication of the risks associated with investing in those securities. For information about the Fund’s policy regarding valuation of financial instruments, refer to its most recent financial statements.
The following table summarizes the Fund’s financial instruments categorized in the fair value hierarchy. The breakdown of the Fund’s financial instruments into major categories is disclosed in the Schedule of Investments above. 
 
Level 1
Level 2
Level 3
Total
Assets
 
 
 
 
Investments 
 
 
 
 
Long-Term Investments 
 
 
 
 
Municipal Bonds
$ —
$ 1,265,890,851
$ —
$ 1,265,890,851
Municipal Bonds Transferred to Tender Option Bond Trusts
—
131,109,178
—
131,109,178
Short-Term Securities 
 
 
 
 
Money Market Funds
41,670,827
—
—
41,670,827
 
$41,670,827
$1,397,000,029
$—
$1,438,670,856
The Fund may hold assets and/or liabilities in which the fair value approximates the carrying amount for financial reporting purposes. As of period end, such assets and/or liabilities are categorized within the fair value hierarchy as follows: 
 
Level 1
Level 2
Level 3
Total
Liabilities
 
 
 
 
TOB Trust Certificates
$—
$(63,654,530
)
$—
$(63,654,530
)
VRDP Shares at Liquidation Value
—
(450,300,000
)
—
(450,300,000
)
 
$—
$(513,954,530
)
$—
$(513,954,530
)
10
Schedule of Investments (unaudited)(continued)
April 30, 2024
BlackRock MuniYield Quality Fund, Inc. (MQY)
 
 
Portfolio Abbreviation 
AGC
 Assured Guaranty Corp.
AGM
 Assured Guaranty Municipal Corp.
AMBAC
 AMBAC Assurance Corp.
AMT
 Alternative Minimum Tax
ARB
 Airport Revenue Bonds
BAB
 Build America Bond
BAM
 Build America Mutual Assurance Co.
BAM-TCRS
 Build America Mutual Assurance Co. - Transferable
Custodial Receipts
BHAC-CR
 Berkshire Hathaway Assurance Corp. - Custodian Receipt
CAB
 Capital Appreciation Bonds
COP
 Certificates of Participation
CR
 Custodian Receipt
FGIC
 Financial Guaranty Insurance Co.
FHLMC
 Federal Home Loan Mortgage Corp.
FNMA
 Federal National Mortgage Association
GNMA
 Government National Mortgage Association
GO
 General Obligation Bonds
M/F
 Multi-Family
NPFGC
 National Public Finance Guarantee Corp.
PSF
 Permanent School Fund
RB
 Revenue Bond
S/F
 Single-Family
SAB
 Special Assessment Bonds
SAP
 Subject to Appropriations
SAW
 State Aid Withholding
SONYMA
 State of New York Mortgage Agency
ST
 Special Tax
TA
 Tax Allocation
Schedule of Investments
11