UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-Q QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED MANAGEMENT INVESTMENT COMPANY Investment Company Act file number 811-06414 Name of Fund: BlackRock MuniYield Fund, Inc. (MYD) Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809 Name and address of agent for service: Donald C. Burke, Chief Executive Officer, BlackRock MuniYield Fund, Inc., 800 Scudders Mill Road, Plainsboro, NJ 08536. Mailing address: P.O. Box 9011, Princeton, NJ 08543-9011 Registrant's telephone number, including area code: (800) 882-0052, Option 4 Date of fiscal year end: 10/31/2008 Date of reporting period: 05/01/2008 - 07/31/2008 Item 1 - Schedule of Investments BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Alabama - 2.1% Jefferson County, Alabama, Limited Obligation School Warrants, Series A, 5.50%, 1/01/22 $ 5,250 $ 4,975,425 Tuscaloosa, Alabama, Special Care Facilities Financing Authority, Residential Care Facility Revenue Bonds (Capstone Village, Inc. Project), Series A, 5.625%, 8/01/25 2,200 1,900,448 Tuscaloosa, Alabama, Special Care Facilities Financing Authority, Residential Care Facility Revenue Bonds (Capstone Village, Inc. Project), Series A, 5.875%, 8/01/36 6,425 5,316,302 ------------- 12,192,175 ----------------------------------------------------------------------------------------------------------------------------------- Arizona - 12.9% Arizona State Transportation Board, Highway Revenue Bonds, Sub-Series A, 5%, 7/01/21 5,825 6,014,312 Arizona State Transportation Board, Highway Revenue Bonds, Sub-Series A, 5%, 7/01/22 7,030 7,239,986 Arizona State Transportation Board, Highway Revenue Bonds, Sub-Series A, 5%, 7/01/23 5,240 5,407,523 Maricopa County, Arizona, IDA, Education Revenue Bonds (Arizona Charter Schools Project 1), Series A, 6.75%, 7/01/29 3,300 2,894,265 Maricopa County, Arizona, IDA, M/F Housing Revenue Refunding Bonds (CRS Pine Ridge Housing Corporation), Series A-1, 6%, 10/20/31 (b)(c) 5,000 5,103,400 Maricopa County, Arizona, IDA, M/F Housing Revenue Refunding Bonds (CRS Pine Ridge Housing Corporation), Series A-1, 6.05%, 10/20/36 (b)(c) 5,000 5,039,350 Phoenix, Arizona, IDA, Airport Facility, Revenue Refunding Bonds (America West Airlines Inc. Project), AMT, 6.25%, 6/01/19 3,000 2,362,410 Phoenix, Arizona, IDA, Airport Facility, Revenue Refunding Bonds (America West Airlines Inc. Project), AMT, 6.30%, 4/01/23 5,090 3,840,354 Phoenix, Arizona, IDA, M/F Housing Revenue Bonds (Summit Apartments LLC Project), 6.25%, 7/20/22 (c) 1,610 1,694,557 Portfolio Abbreviations To simplify the listings of portfolio holdings in the Schedule of Investments, the names of many of the securities have been abbreviated according to the list below. AMT IDRernative Minimum Tax (subject to) COP Certificates of Participation EDA M/Fnomic Development Authority EDR PCRnomic Development Revenue Bonds GO PILOTal Obligation Bonds HDA S/Fsing Development Authority HFA VRDNing Finance Agency IDA Industrial Development Authority IDR Industrial Development Revenue Bonds M/F Multi-Family PCR Pollution Control Revenue Bonds PILOT Payment in Lieu of Taxes S/F Single-Family VRDN Variable Rate Demand Notes BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Phoenix, Arizona, IDA, M/F Housing Revenue Bonds (Summit Apartments LLC Project), 6.45%, 7/20/32 (c) $ 1,425 $ 1,475,132 Phoenix, Arizona, IDA, M/F Housing Revenue Bonds (Summit Apartments LLC Project), 6.55%, 7/20/37 (c) 1,305 1,345,794 Pima County, Arizona, IDA, Education Revenue Refunding Bonds (Arizona Charter Schools Project II), Series A, 6.75%, 7/01/11 (d) 570 631,098 Pima County, Arizona, IDA, Education Revenue Refunding Bonds (Arizona Charter Schools Project II), Series A, 6.75%, 7/01/31 775 778,790 Pima County, Arizona, IDA, Revenue Bonds (Tucson Electric Power Company), Series A, 6.375%, 9/01/29 3,000 3,005,100 Salt Verde Financial Corporation, Arizona, Senior Gas Revenue Bonds, 5%, 12/01/32 10,020 8,518,703 Salt Verde Financial Corporation, Arizona, Senior Gas Revenue Bonds, 5%, 12/01/37 11,525 9,584,651 Vistancia Community Facilities District, Arizona, GO, 5.50%, 7/15/20 3,000 2,913,000 Vistancia Community Facilities District, Arizona, GO, 5.75%, 7/15/24 2,125 2,064,501 Yavapai County, Arizona, IDA, Hospital Facility Revenue Bonds (Yavapai Regional Medical Center), Series A, 6%, 8/01/33 5,900 5,862,240 ------------- 75,775,166 ----------------------------------------------------------------------------------------------------------------------------------- California - 10.3% California State, GO, 5%, 4/01/31 (e) 10 9,839 California State, GO, Refunding, 5%, 6/01/32 11,335 11,102,292 California State Public Works Board, Lease Revenue Bonds (Department of Corrections), Series C, 5%, 6/01/25 2,000 1,995,360 California State Public Works Board, Lease Revenue Bonds (Department of Mental Health - Coalinga State Hospital), Series A, 5.125%, 6/01/29 4,500 4,468,365 California State, Various Purpose, GO, 5.25%, 11/01/25 6,800 6,921,040 California State, Various Purpose, GO, 5.50%, 11/01/33 5,550 5,642,962 Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue Bonds, Series A-3, 7.875%, 6/01/13 (d) 5,500 6,542,745 Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue Bonds, Series A-4, 7.80%, 6/01/13 (d) 7,500 8,898,225 Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue Refunding Bonds, Senior Series A-1, 5.125%, 6/01/47 3,090 2,271,737 Santa Clara, California, Subordinated Electric Revenue Bonds, Series A, 5%, 7/01/22 (f) 5,145 5,261,689 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- University of California Revenue Bonds (Multiple Purpose Projects), Series Q, 5%, 9/01/21 (g) $ 7,465 $ 7,659,986 ------------- 60,774,240 ----------------------------------------------------------------------------------------------------------------------------------- Colorado - 4.8% Colorado Educational and Cultural Facilities Authority, Revenue Refunding Bonds (University of Denver Project), Series B, 5.25%, 3/01/16 (d)(h) 3,245 3,609,543 Colorado HFA, Revenue Refunding Bonds (S/F Program), AMT, Series D-2, 6.90%, 4/01/29 230 240,683 Colorado Health Facilities Authority, Revenue Refunding Bonds (Poudre Valley Health Care), 5.20%, 3/01/31 (g) 1,425 1,436,386 Denver, Colorado, City and County Airport Revenue Bonds, AMT, Series D, 7.75%, 11/15/13 (e) 7,080 7,666,720 Elk Valley, Colorado, Public Improvement Revenue Bonds (Public Improvement Fee), Series A, 7.10%, 9/01/14 1,415 1,465,402 Elk Valley, Colorado, Public Improvement Revenue Bonds (Public Improvement Fee), Series A, 7.35%, 9/01/31 5,065 5,012,425 Plaza Metropolitan District Number 1, Colorado, Tax Allocation Revenue Bonds (Public Improvement Fees), 8%, 12/01/25 6,850 7,169,553 Plaza Metropolitan District Number 1, Colorado, Tax Allocation Revenue Bonds (Public Improvement Fees), 8.125%, 12/01/25 1,885 1,889,467 ------------- 28,490,179 ----------------------------------------------------------------------------------------------------------------------------------- Connecticut - 0.0% Connecticut State Development Authority, IDR (AFCO Cargo BDL-LLC Project), AMT, 7.35%, 4/01/10 250 249,790 ----------------------------------------------------------------------------------------------------------------------------------- Florida - 7.4% Greater Orlando Aviation Authority, Florida, Airport Facilities Revenue Bonds (JetBlue Airways Corp.), AMT, 6.50%, 11/15/36 2,500 1,710,450 Highlands County, Florida, Health Facilities Authority, Hospital Revenue Bonds (Adventist Health System), Series C, 5.25%, 11/15/36 4,240 4,024,438 Hillsborough County, Florida, IDA, Exempt Facilities Revenue Bonds (National Gypsum Company), AMT, Series A, 7.125%, 4/01/30 11,500 10,864,280 Hillsborough County, Florida, IDA, Exempt Facilities Revenue Bonds (National Gypsum Company), AMT, Series B, 7.125%, 4/01/30 5,000 4,723,600 Hillsborough County, Florida, IDA, Hospital Revenue Bonds (Tampa General Hospital Project), 5%, 10/01/36 2,870 2,578,609 Lee County, Florida, Revenue Bonds, 5%, 10/01/22 (e) 4,705 4,809,827 Miami-Dade County, Florida, Aviation Revenue Refunding Bonds (Miami International Airport), AMT, Series A, 5.25%, 10/01/38 (i) 5,150 4,924,585 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Midtown Miami, Florida, Community Development District, Special Assessment Revenue Bonds, Series B, 6.50%, 5/01/37 $ 5,395 $ 4,956,602 Orange County, Florida, Health Facilities Authority, Health Care Revenue Refunding Bonds (Orlando Lutheran Towers), 5.375%, 7/01/20 1,100 984,082 Santa Rosa Bay Bridge Authority, Florida, Revenue Bonds, 6.25%, 7/01/28 4,620 4,022,588 ------------- 43,599,061 ----------------------------------------------------------------------------------------------------------------------------------- Georgia - 2.5% Atlanta, Georgia, Tax Allocation Bonds (Atlantic Station Project), 7.90%, 12/01/11 (d) 4,600 5,384,760 Main Street Natural Gas, Inc., Georgia, Gas Project Revenue Bonds, Series A, 6.375%, 7/15/38 3,445 3,140,531 Private Colleges and Universities Authority, Georgia, Revenue Refunding Bonds (Emory University Project), Series C, 5%, 9/01/38 6,400 6,424,896 ------------- 14,950,187 ----------------------------------------------------------------------------------------------------------------------------------- Idaho - 1.7% Idaho Housing Agency, S/F Mortgage Revenue Refunding Bonds, AMT, Senior Series C-2, 7.15%, 7/01/23 65 67,452 Power County, Idaho, Industrial Development Corporation, Solid Waste Disposal Revenue Bonds (FMC Corporation Project), AMT, 6.45%, 8/01/32 10,000 9,808,800 ------------- 9,876,252 ----------------------------------------------------------------------------------------------------------------------------------- Illinois - 1.7% Bolingbrook, Illinois, Special Services Area Number 1, Special Tax Bonds (Forest City Project), 5.90%, 3/01/27 1,000 907,730 Illinois State Finance Authority Revenue Bonds (Friendship Village of Schaumburg), Series A, 5.625%, 2/15/37 1,750 1,376,952 Illinois State Finance Authority Revenue Bonds (Landing At Plymouth Place Project), Series A, 6%, 5/15/37 2,155 1,875,065 Illinois State Finance Authority Revenue Bonds (Monarch Landing, Inc. Project), Series A, 7%, 12/01/37 1,445 1,390,971 Metropolitan Pier and Exposition Authority, Illinois, Dedicated State Tax Revenue Bonds (McCormick Place Expansion), Series A, 5.50%, 6/15/23 (f) 4,000 4,220,760 ------------- 9,771,478 ----------------------------------------------------------------------------------------------------------------------------------- Indiana - 0.4% Daviess County, Indiana, EDR (Daviess Community Hospital Project), Refunding, VRDN, 9%, 1/01/29 (j)(k) 2,630 2,630,000 ----------------------------------------------------------------------------------------------------------------------------------- Kansas - 0.2% Lenexa, Kansas, Health Care Facility Revenue Bonds (Lakeview Village Inc.), Series C, 6.875%, 5/15/12 (d) 1,250 1,432,138 ----------------------------------------------------------------------------------------------------------------------------------- Kentucky - 0.6% Kentucky Economic Development Finance Authority, Health System Revenue Refunding Bonds (Norton Healthcare, Inc.), Series A, 6.625%, 10/01/10 (d) 2,350 2,580,629 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Kentucky Economic Development Finance Authority, Health System Revenue Refunding Bonds (Norton Healthcare, Inc.), Series A, 6.625%, 10/01/28 $ 650 $ 678,854 ------------- 3,259,483 ----------------------------------------------------------------------------------------------------------------------------------- Louisiana - 7.7% Louisiana Local Government Environmental Facilities and Community Development Authority Revenue Bonds (Westlake Chemical Corporation), 6.75%, 11/01/32 10,000 9,707,600 Louisiana Public Facilities Authority, Hospital Revenue Bonds (Franciscan Missionaries of Our Lady Health System, Inc.), Series A, 5.25%, 8/15/36 6,750 6,381,180 Louisiana Public Facilities Authority, Revenue Refunding Bonds (Pennington Medical Foundation Project), 5%, 7/01/31 1,000 895,730 Louisiana State Citizens Property Insurance Corporation, Assessment Revenue Bonds, Series B, 5%, 6/01/20 (e) 10,000 9,728,600 Port New Orleans, Louisiana, IDR, Refunding (Continental Grain Company Project), 6.50%, 1/01/17 19,000 18,679,470 ------------- 45,392,580 ----------------------------------------------------------------------------------------------------------------------------------- Maryland - 3.0% Baltimore, Maryland, Convention Center Hotel Revenue Bonds, Sub-Series B, 5.875%, 9/01/39 1,920 1,669,286 Maryland State Community Development Administration, Department of Housing and Community Development, Residential Revenue Refunding Bonds, AMT, Series A, 4.65%, 9/01/32 2,580 2,111,137 Maryland State Energy Financing Administration, Limited Obligation Revenue Bonds (Cogeneration-AES Warrior Run), AMT, 7.40%, 9/01/19 3,000 2,900,130 Maryland State Health and Higher Educational Facilities Authority, Revenue Refunding Bonds (Peninsula Regional Medical Center), 5%, 7/01/36 5,000 4,775,450 Maryland State Health and Higher Educational Facilities Authority, Revenue Refunding Bonds (University of Maryland Medical System), 6%, 7/01/12 (d) 4,000 4,416,840 Maryland State Industrial Development Financing Authority, EDR (Our Lady of Good Counsel School), Series A, 6%, 5/01/35 500 479,420 Prince Georges County, Maryland, Special Obligation Bonds (National Harbor Project), 5.20%, 7/01/34 1,500 1,266,960 ------------- 17,619,223 ----------------------------------------------------------------------------------------------------------------------------------- Massachusetts - 2.8% Massachusetts State Development Finance Agency, Human Service Provider Revenue Bonds (Seven Hills Foundation & Affiliates), 5%, 9/01/35 (k) 3,500 2,992,640 Massachusetts State Development Finance Agency, Revenue Refunding Bonds (Western New England College), Series A, 5%, 9/01/33 (i) 2,750 2,684,578 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Massachusetts State Special Obligation Dedicated Tax Revenue Bonds, 5.25%, 1/01/14 (d)(h) $ 10,000 $ 10,774,500 ------------- 16,451,718 ----------------------------------------------------------------------------------------------------------------------------------- Michigan - 1.6% Macomb County, Michigan, Hospital Finance Authority, Hospital Revenue Bonds (Mount Clemens General Hospital), Series B, 5.875%, 11/15/13 6,060 6,749,022 Michigan State Hospital Finance Authority, Revenue Refunding Bonds (Henry Ford Health System), Series A, 5.25%, 11/15/32 1,000 933,660 Michigan State Strategic Fund, PCR, Refunding (General Motors Corp.), 6.20%, 9/01/20 2,500 1,826,500 ------------- 9,509,182 ----------------------------------------------------------------------------------------------------------------------------------- Minnesota - 0.6% Eden Prairie, Minnesota, M/F Housing Revenue Bonds (Rolling Hills Project), Series A, 6%, 8/20/21 (c) 420 451,807 Eden Prairie, Minnesota, M/F Housing Revenue Bonds (Rolling Hills Project), Series A, 6.20%, 2/20/43 (c) 2,000 2,117,540 Minneapolis, Minnesota, M/F Housing Revenue Bonds (Gaar Scott Loft Project), AMT, 5.95%, 5/01/30 920 932,871 ------------- 3,502,218 ----------------------------------------------------------------------------------------------------------------------------------- Missouri - 3.6% Missouri State Highways and Transportation Commission, First Lien State Road Revenue Bonds, Series A, 5%, 5/01/20 5,000 5,291,450 Missouri State Highways and Transportation Commission, First Lien State Road Revenue Bonds, Series A, 5%, 5/01/21 15,000 15,762,600 ------------- 21,054,050 ----------------------------------------------------------------------------------------------------------------------------------- Nebraska - 0.3% Lincoln, Nebraska, Sanitation and Sewer Revenue Bonds, 4.25%, 6/15/24 865 844,456 Lincoln, Nebraska, Sanitation and Sewer Revenue Bonds, 4.25%, 6/15/25 905 874,257 ------------- 1,718,713 ----------------------------------------------------------------------------------------------------------------------------------- New Hampshire - 0.6% New Hampshire Health and Education Facilities Authority, Revenue Refunding Bonds (Elliot Hospital), Series B, 5.60%, 10/01/22 3,425 3,456,476 ----------------------------------------------------------------------------------------------------------------------------------- New Jersey - 17.2% New Jersey EDA, Cigarette Tax Revenue Bonds, 5.50%, 6/15/24 11,435 10,798,185 New Jersey EDA, First Mortgage Revenue Bonds (Lions Gate Project), Series A, 5.75%, 1/01/25 710 653,676 New Jersey EDA, First Mortgage Revenue Bonds (Lions Gate Project), Series A, 5.875%, 1/01/37 230 202,464 New Jersey EDA, First Mortgage Revenue Bonds (The Presbyterian Home), Series A, 6.375%, 11/01/31 3,000 2,839,350 New Jersey EDA, Motor Vehicle Surcharge Revenue Bonds, Series A, 5%, 7/01/29 (f) 20,000 19,668,000 New Jersey EDA, Retirement Community Revenue Bonds (Cedar Crest Village Inc. Facility), Series A, 7.25%, 11/15/11 (d) 4,400 5,025,592 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- New Jersey EDA, School Facilities Construction Revenue Bonds, Series O, 5.25%, 3/01/23 $ 8,825 $ 9,167,587 New Jersey EDA, Special Facility Revenue Bonds (Continental Airlines Inc. Project), AMT, 6.25%, 9/15/19 3,905 3,076,086 New Jersey EDA, Special Facility Revenue Bonds (Continental Airlines Inc. Project), AMT, 6.25%, 9/15/29 14,000 10,030,020 New Jersey Health Care Facilities Financing Authority Revenue Bonds (Pascack Valley Hospital Association), 6%, 7/01/13 1,335 924,888 New Jersey Health Care Facilities Financing Authority Revenue Bonds (Pascack Valley Hospital Association), 6.625%, 7/01/36 1,835 1,271,288 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue Bonds, Series A, 5.50%, 12/15/21 3,975 4,349,962 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue Bonds, Series A, 5.50%, 12/15/22 6,600 7,197,432 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue Bonds, Series C, 5.05%, 12/15/35 (e)(l) 13,110 2,956,436 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue Bonds, Series D, 5%, 6/15/19 (g) 5,425 5,671,621 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue Bonds, Series D, 5%, 6/15/20 9,410 9,857,728 New Jersey State Transportation Trust Fund Authority, Transportation System Revenue Bonds, Series D, 5%, 6/15/20 (g) 7,000 7,267,400 ------------- 100,957,715 ----------------------------------------------------------------------------------------------------------------------------------- New York - 10.7% Dutchess County, New York, IDA, Civic Facility Revenue Refunding Bonds (Saint Francis Hospital), Series A, 7.50%, 3/01/29 2,200 2,338,358 Metropolitan Transportation Authority, New York, Transportation Revenue Refunding Bonds, Series F, 5%, 11/15/35 11,000 10,790,340 New York City, New York, City IDA, PILOT Revenue Bonds (Queens Baseball Stadium Project), 5%, 1/01/22 (e) 2,000 1,992,180 New York City, New York, City IDA, PILOT Revenue Bonds (Queens Baseball Stadium Project), 5%, 1/01/23 (e) 2,175 2,150,705 New York City, New York, City IDA, Special Facility Revenue Bonds (British Airways Plc Project), AMT, 7.625%, 12/01/32 1,250 1,026,025 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- New York City, New York, City Transitional Finance Authority, Building Aid Revenue Refunding Bonds, Series S-1, 4.50%, 1/15/38 $ 1,970 $ 1,824,673 New York City, New York, GO, Refunding, Series A, 6.375%, 5/15/14 (h) 1,020 1,088,524 New York City, New York, GO, Refunding, Series A, 6.375%, 5/15/15 (h) 95 101,382 New York City, New York, GO, Series O, 5%, 6/01/33 2,500 2,499,825 New York State Dormitory Authority, Non-State Supported Debt, Revenue Refunding Bonds (Mount Sinai Health), Series A, 6.75%, 7/01/10 (d) 3,145 3,429,748 New York State Dormitory Authority, Non-State Supported Debt, Revenue Refunding Bonds (Mount Sinai-NYU Medical Center Health System), Series A, 6.75%, 7/01/20 1,855 1,918,367 New York State Dormitory Authority, State Personal Income Tax Revenue Bonds (Education), Series F, 5%, 3/15/35 5,000 5,047,400 Suffolk County, New York, IDA, IDR, Refunding (Nissequogue Cogeneration Partners Facility), AMT, 5.50%, 1/01/23 2,500 2,153,025 Tobacco Settlement Financing Corporation of New York Revenue Bonds, Series C-1, 5.50%, 6/01/21 9,400 9,741,690 Triborough Bridge and Tunnel Authority, New York, Subordinate Revenue Bonds, 5.25%, 11/15/30 10,000 10,202,600 Westchester County, New York, IDA, Continuing Care Retirement, Mortgage Revenue Bonds (Kendal on Hudson Project), Series A, 6.50%, 1/01/13 (d) 2,895 3,322,736 Westchester County, New York, IDA, Continuing Care Retirement, Mortgage Revenue Bonds (Kendal on Hudson Project), Series A, 6.375%, 1/01/24 3,450 3,457,383 ------------- 63,084,961 ----------------------------------------------------------------------------------------------------------------------------------- North Carolina - 1.9% North Carolina Eastern Municipal Power Agency, Power System Revenue Bonds, Series D, 6.75%, 1/01/26 4,750 4,944,798 North Carolina HFA, Home Ownership Revenue Bonds, AMT, Series 8-A, 6.20%, 7/01/16 145 146,193 North Carolina, HFA, S/F Revenue Bonds, Series II, 6.20%, 3/01/16 (b) 570 597,297 North Carolina Medical Care Commission, Health Care Facilities, First Mortgage Revenue Bonds (Arbor Acres Community Project), 6.375%, 3/01/12 (d) 1,000 1,113,310 North Carolina Medical Care Commission, Health Care Facilities, First Mortgage Revenue Bonds (Presbyterian Homes Project), 5.40%, 10/01/27 5,000 4,607,150 ------------- 11,408,748 ----------------------------------------------------------------------------------------------------------------------------------- BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Ohio - 5.6% American Municipal Power, Inc., Ohio, Revenue Refunding Bonds (Prairie State Energy Campus Project), Series A, 5%, 2/15/38 $ 7,135 $ 6,796,658 Buckeye Tobacco Settlement Financing Authority, Ohio, Tobacco Settlement Asset-Backed Bonds, Series A-2, 6.50%, 6/01/47 7,460 6,631,418 Cincinnati, Ohio, City School District, GO (Classroom Construction and Improvement), Refunding, 5.25%, 12/01/20 (h) 3,000 3,214,230 Hamilton County, Ohio, Sewer System Improvement Revenue Bonds (The Metropolitan Sewer District of Greater Cincinnati), Series B, 5%, 12/01/28 (f) 5,065 5,107,951 Lucas County, Ohio, Health Care Facility Revenue Refunding and Improvement Bonds (Sunset Retirement Communities), Series A, 6.625%, 8/15/30 2,175 2,221,545 Mason, Ohio, City School District, GO (School Improvement), 5%, 6/01/14 (d)(g) 5,000 5,448,850 Port of Greater Cincinnati Development Authority, Ohio, Special Assessment Revenue Bonds (Cooperative Public Parking Infrastructure Project), 6.30%, 2/15/24 970 978,643 Toledo-Lucas County, Ohio, Port Authority Revenue Bonds (Saint Mary Woods Project), Series A, 6%, 5/15/24 750 688,298 Toledo-Lucas County, Ohio, Port Authority Revenue Bonds (Saint Mary Woods Project), Series A, 6%, 5/15/34 2,250 1,925,910 ------------- 33,013,503 ----------------------------------------------------------------------------------------------------------------------------------- Oregon - 1.5% Oregon State Department of Administrative Services, COP, Series A, 6%, 5/01/10 (d)(e) 4,405 4,730,662 Oregon State, GO, Refunding (Veterans Welfare), Series 80A, 5.70%, 10/01/32 2,380 2,408,060 Portland, Oregon, Housing Authority, Housing Revenue Bonds (Pine Square and University Place), Series A, 5.875%, 1/01/22 1,610 1,591,533 ------------- 8,730,255 ----------------------------------------------------------------------------------------------------------------------------------- Pennsylvania - 5.1% Pennsylvania Economic Development Financing Authority, Exempt Facilities Revenue Bonds (National Gypsum Company), AMT, Series A, 6.25%, 11/01/27 5,270 4,508,590 Pennsylvania HFA, S/F Mortgage Revenue Refunding Bonds, AMT, Series 97A, 4.60%, 10/01/27 2,450 2,067,188 Pennsylvania State Higher Educational Facilities Authority, Health Services Revenue Refunding Bonds (Allegheny Delaware Valley Obligation), Series C, 5.875%, 11/15/16 (f) 16,270 16,199,876 Philadelphia, Pennsylvania, Authority for IDR, Commercial Development, 7.75%, 12/01/17 1,265 1,265,898 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Sayre, Pennsylvania, Health Care Facilities Authority, Revenue Bonds (Guthrie Healthcare System), Series B, 7.125%, 12/01/11 (d) $ 5,000 $ 5,988,550 ------------- 30,030,102 ----------------------------------------------------------------------------------------------------------------------------------- Rhode Island - 1.2% Central Falls, Rhode Island, Detention Facility Corporation, Detention Facility, Revenue Refunding Bonds, 7.25%, 7/15/35 4,240 4,250,176 Woonsocket, Rhode Island, GO, 6%, 10/01/17 (h) 1,225 1,277,516 Woonsocket, Rhode Island, GO, 6%, 10/01/18 (h) 1,195 1,242,955 ------------- 6,770,647 ----------------------------------------------------------------------------------------------------------------------------------- South Dakota - 0.8% South Dakota State Health and Educational Facilities Authority Revenue Bonds (Sanford Health), 5%, 11/01/40 5,210 4,812,373 ----------------------------------------------------------------------------------------------------------------------------------- Tennessee - 0.6% Hardeman County, Tennessee, Correctional Facilities Corporation Revenue Bonds, 7.75%, 8/01/17 3,775 3,781,946 ----------------------------------------------------------------------------------------------------------------------------------- Texas - 15.5% Alliance Airport Authority, Inc., Texas, Special Facilities Revenue Refunding Bonds (American Airlines Inc. Project), AMT, 5.75%, 12/01/29 3,500 1,576,295 Austin, Texas, Convention Center Revenue Bonds (Convention Enterprises Inc.), First Tier, Series A, 6.70%, 1/01/11 (d) 10,000 10,882,900 Bexar County, Texas, Housing Finance Corporation, M/F Housing Revenue Bonds (Water at Northern Hills Apartments), Series A, 5.80%, 8/01/21 (f) 1,300 1,201,629 Bexar County, Texas, Housing Finance Corporation, M/F Housing Revenue Bonds (Water at Northern Hills Apartments), Series A, 6%, 8/01/31 (f) 2,460 2,214,369 Bexar County, Texas, Housing Finance Corporation, M/F Housing Revenue Bonds (Water at Northern Hills Apartments), Series A, 6.05%, 8/01/36 (f) 1,000 892,990 Dallas-Fort Worth, Texas, International Airport Facility Improvement Corporation, Revenue Refunding Bonds (American Airlines, Inc.), AMT, 5.50%, 11/01/30 12,500 5,629,875 Gregg County, Texas, Health Facilities Development Corporation, Hospital Revenue Bonds (Good Shepherd Medical Center Project), 6.375%, 10/01/10 (d)(k) 2,000 2,188,020 Gregg County, Texas, Health Facilities Development Corporation, Hospital Revenue Bonds (Good Shepherd Medical Center Project), 6.875%, 10/01/10 (d)(k) 3,000 3,313,170 Guadalupe-Blanco River Authority, Texas, Sewage and Solid Waste Disposal Facility Revenue Bonds (E. I. du Pont de Nemours and Company Project), AMT, 6.40%, 4/01/26 5,000 5,002,900 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Gulf Coast, Texas, IDA, Solid Waste Disposal Revenue Bonds (Citgo Petroleum Corporation Project), AMT, 7.50%, 5/01/25 $ 3,900 $ 4,048,629 Houston, Texas, Airport System, Special Facilities Revenue Bonds (Continental Airlines), AMT, Series E, 7.375%, 7/01/22 3,500 2,955,575 Houston, Texas, Airport System, Special Facilities Revenue Bonds (Continental Airlines), AMT, Series E, 7%, 7/01/29 3,000 2,341,350 Houston, Texas, Industrial Development Corporation Revenue Bonds (Air Cargo), AMT, 6.375%, 1/01/23 1,595 1,515,681 Lower Colorado River Authority, Texas, PCR (Samsung Austin Semiconductor), AMT, 6.375%, 4/01/27 4,830 4,770,350 Lower Colorado River Authority, Texas, PCR (Samsung Austin Semiconductor), AMT, 6.95%, 4/01/30 3,330 3,410,120 North Texas Tollway Authority, System Revenue Refunding Bonds, Second Tier, Series F, 6.125%, 1/01/31 12,140 12,286,894 San Antonio Energy Acquisition Public Facilities Corporation, Texas, Gas Supply Revenue Bonds, 5.50%, 8/01/23 6,955 6,687,302 San Antonio Energy Acquisition Public Facilities Corporation, Texas, Gas Supply Revenue Bonds, 5.50%, 8/01/25 6,365 6,048,214 Texas State Turnpike Authority, Central Texas Turnpike System Revenue Bonds, First Tier, Series A, 5.50%, 8/15/39 (e) 6,500 6,596,005 Tyler, Texas, Waterworks and Sewer Revenue Bonds, 5.70%, 9/01/10 (d)(h) 7,020 7,503,116 ------------- 91,065,384 ----------------------------------------------------------------------------------------------------------------------------------- Virginia - 2.0% James City County, Virginia, EDA, Residential Care Facility, First Mortgage Revenue Refunding Bonds (Williamsburg Landing, Inc.), Series A, 5.35%, 9/01/26 1,500 1,373,865 James City County, Virginia, EDA, Residential Care Facility, First Mortgage Revenue Refunding Bonds (Williamsburg Landing, Inc.), Series A, 5.50%, 9/01/34 2,000 1,759,280 Pocahontas Parkway Association, Virginia, Toll Road Revenue Bonds, Senior Series B, 6.67%, 8/15/08 (d)(l) 24,800 7,454,136 Winchester, Virginia, IDA, Residential Care Facilities, Revenue Bonds (Westminster-Canterbury), Series A, 5.20%, 1/01/27 1,000 910,460 ------------- 11,497,741 ----------------------------------------------------------------------------------------------------------------------------------- Washington - 0.4% Vancouver, Washington, Housing Authority, Housing Revenue Bonds (Teal Pointe Apartments Project), AMT, 6%, 9/01/22 945 946,635 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Par State Municipal Bonds (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Vancouver, Washington, Housing Authority, Housing Revenue Bonds (Teal Pointe Apartments Project), AMT, 6.20%, 9/01/32 $ 1,250 $ 1,221,825 ------------- 2,168,460 ----------------------------------------------------------------------------------------------------------------------------------- Wisconsin - 1.4% Milwaukee, Wisconsin, Revenue Bonds (Air Cargo), AMT, 6.50%, 1/01/25 685 656,655 Wisconsin State, GO, AMT, Series B, 6.20%, 11/01/26 (f) 415 421,217 Wisconsin State Health and Educational Facilities Authority, Revenue Refunding Bonds (Franciscan Sisters Healthcare), 5%, 9/01/26 7,925 6,993,416 ------------- 8,071,288 ----------------------------------------------------------------------------------------------------------------------------------- Wyoming - 0.7% Wyoming Community Development Authority, Housing Revenue Bonds, AMT, Series 3, 4.75%, 12/01/37 5,315 4,291,012 ----------------------------------------------------------------------------------------------------------------------------------- Puerto Rico - 2.0% Puerto Rico Commonwealth Highway and Transportation Authority, Transportation Revenue Refunding Bonds, Series N, 5.25%, 7/01/34 (i) 4,610 4,715,292 Puerto Rico Electric Power Authority, Power Revenue Refunding Bonds, Series UU, 5%, 7/01/23 (g) 7,100 7,237,882 ------------- 11,953,174 ----------------------------------------------------------------------------------------------------------------------------------- U.S. Virgin Virgin Islands Public Finance Authority, Refinery Facilities Revenue Bonds Islands - 1.0% (Hovensa Refinery), AMT, 6.125%, 7/01/22 6,250 6,053,688 ----------------------------------------------------------------------------------------------------------------------------------- Total Municipal Bonds - 132.4% 779,395,306 ----------------------------------------------------------------------------------------------------------------------------------- Municipal Bonds Transferred to Tender Option Bond Trusts (m) ----------------------------------------------------------------------------------------------------------------------------------- Alabama - 0.8% Birmingham, Alabama, Special Care Facilities Financing Authority, Revenue Refunding Bonds (Ascension Health Credit), Series C-2, 5%, 11/15/36 4,538 4,377,786 ----------------------------------------------------------------------------------------------------------------------------------- California - 1.0% Sacramento County, California, Airport System Revenue Bonds, AMT, Senior Series B, 5.25%, 7/01/39 (g) 6,133 5,870,925 ----------------------------------------------------------------------------------------------------------------------------------- Colorado - 3.4% Colorado Health Facilities Authority Revenue Bonds (Catholic Health), Series C-3, 5.10%, 10/01/41 (g) 7,484 7,412,582 Colorado Health Facilities Authority Revenue Bonds (Catholic Health), Series C-7, 5%, 9/01/36 (g) 4,799 4,727,568 Colorado Health Facilities Authority, Revenue Refunding Bonds (Poudre Valley Health Care), Series B, 5.25%, 3/01/36 (g) 2,848 2,855,160 Colorado Health Facilities Authority, Revenue Refunding Bonds (Poudre Valley Health Care), Series C, 5.25%, 3/01/40 (g) 4,994 4,992,195 ------------- 19,987,505 ----------------------------------------------------------------------------------------------------------------------------------- Connecticut - 3.1% Connecticut State Health and Educational Facilities Authority Revenue Bonds (Yale University), Series X-3, 4.85%, 7/01/37 9,269 9,288,061 BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Municipal Bonds Transferred to Par State Tender Option Bond Trusts (m) (000) Value ----------------------------------------------------------------------------------------------------------------------------------- Connecticut State Health and Educational Facilities Authority Revenue Bonds (Yale University), Series T-1, 4.70%, 7/01/29 $ 9,134 $ 9,130,981 ------------- 18,419,042 ----------------------------------------------------------------------------------------------------------------------------------- Maryland - 1.0% Baltimore, Maryland, Convention Center Hotel Revenue Bonds, Senior Series A, 5.25%, 9/01/39 (n)(o) 5,624 5,679,171 ----------------------------------------------------------------------------------------------------------------------------------- North Carolina - North Carolina Capital Facilities Finance Agency, Revenue Refunding Bonds 3.2% (Duke University Project), Series A, 5%, 10/01/41 18,900 19,075,392 ----------------------------------------------------------------------------------------------------------------------------------- South Carolina - Charleston Educational Excellence Financing Corporation, South Carolina, 3.0% Revenue Bonds (Charleston County School District), 5.25%, 12/01/28 (i) 7,795 7,936,791 Charleston Educational Excellence Financing Corporation, South Carolina, Revenue Bonds (Charleston County School District), 5.25%, 12/01/29 (i) 6,920 7,020,409 Charleston Educational Excellence Financing Corporation, South Carolina, Revenue Bonds (Charleston County School District), 5.25%, 12/01/30 (i) 2,510 2,540,271 ------------- 17,497,471 ----------------------------------------------------------------------------------------------------------------------------------- Tennessee - 1.9% Shelby County, Tennessee, Health, Educational and Housing Facility Board, Hospital Revenue Refunding Bonds (Saint Jude Children's Research Hospital), 5%, 7/01/31 11,243 11,197,361 ----------------------------------------------------------------------------------------------------------------------------------- Virginia - 8.3% University of Virginia, Revenue Refunding Bonds, 5%, 6/01/40 10,605 10,802,359 Virginia State, HDA, Commonwealth Mortgage Revenue Bonds, Series H, Sub-Series H-1, 5.35%, 7/01/31 (f) 6,720 6,770,467 Virginia State, HDA, Commonwealth Mortgage Revenue Bonds, Series H, Sub-Series H-1, 5.375%, 7/01/36 (f) 30,930 30,994,644 ------------- 48,567,470 ----------------------------------------------------------------------------------------------------------------------------------- Washington - 0.9% Central Puget Sound Regional Transportation Authority, Washington, Sales and Use Tax Revenue Bonds, Series A, 5%, 11/01/32 (g) 5,380 5,443,161 ----------------------------------------------------------------------------------------------------------------------------------- Total Municipal Bonds Transferred to Tender Option Bond Trusts - 26.6% 156,115,284 ----------------------------------------------------------------------------------------------------------------------------------- Total Long-Term Investments (Cost - $958,714,928) - 159.0% 935,510,590 ----------------------------------------------------------------------------------------------------------------------------------- Short-Term Securities Shares ----------------------------------------------------------------------------------------------------------------------------------- Merrill Lynch Institutional Tax-Exempt Fund, 2.08% (a)(p) 12,300,000 12,300,000 ----------------------------------------------------------------------------------------------------------------------------------- Total Short-Term Securities (Cost - $12,300,000) - 2.1% 12,300,000 ----------------------------------------------------------------------------------------------------------------------------------- BlackRock MuniYield Fund, Inc. Schedule of Investments July 31, 2008 (Unaudited) (Percentages shown are based on Net Assets) Value ----------------------------------------------------------------------------------------------------------------------------------- Total Investments (Cost - $971,014,928*) - 161.1% $ 947,810,590 Other Assets Less Liabilities - 1.4% 8,180,540 Liability for Trust Certificates, Including Interest Expense and Fees Payable - (16.3)% (95,759,233) Preferred Stock, at Redemption Value - (46.2)% (271,686,686) ------------- Net Assets Applicable to Common Stock - 100.0% $ 588,545,211 ============= * The cost and unrealized appreciation (depreciation) of investments as of July 31, 2008, as computed for federal income tax purposes, were as follows: Aggregate cost $ 874,924,041 ============= Gross unrealized appreciation $ 18,766,742 Gross unrealized depreciation (41,423,274) ------------- Net unrealized depreciation $ (22,656,532) ============= (a) Represents the current yield as of report date. (b) FHA Insured. (c) GNMA Collateralized. (d) 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. (e) AMBAC Insured. (f) MBIA Insured. (g) FSA Insured. (h) FGIC Insured. (i) Assured Guaranty Insured. (j) Variable rate security. Rate shown is as of report date. Maturity shown is the final maturity date. (k) Radian Insured. (l) Represents a zero coupon bond. Rate shown reflects the effective yield at the time of purchase. (m) Securities represents bonds transferred to a tender option bond trust in exchange for which the Fund acquired residual interest certificates. These securities serve as collateral in a financing transaction. (n) BHAC Insured. (o) XL Capital Insured. (p) Investments in companies considered to be an affiliate of the Fund, for purposes of Section 2(a)(3) of the Investment Company Act of 1940, were as follows: -------------------------------------------------------------------------- Net Activity Affiliate (000) Income -------------------------------------------------------------------------- Merrill Lynch Institutional Tax-Exempt Fund 7,398,627 $ 232,292 -------------------------------------------------------------------------- Item 2 - Controls and Procedures 2(a) - The registrant's principal executive and principal financial officers or persons performing similar functions have concluded that the registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the "1940 Act")) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended. 2(b) - There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant's last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the registrant's internal control over financial reporting. Item 3 - Exhibits Certifications - Attached hereto Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. BlackRock MuniYield Fund, Inc. By: /s/ Donald C. Burke ------------------- Donald C. Burke Chief Executive Officer of BlackRock MuniYield Fund, Inc. Date: September 19, 2008 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By: /s/ Donald C. Burke ------------------- Donald C. Burke Chief Executive Officer (principal executive officer) of BlackRock MuniYield Fund, Inc. Date: September 19, 2008 By: /s/ Neal J. Andrews ------------------- Neal J. Andrews Chief Financial Officer (principal financial officer) of BlackRock MuniYield Fund, Inc. Date: September 19, 2008