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 811-6660 Name of Fund: MuniYield Quality Fund, Inc. Fund Address: P.O. Box 9011 Princeton, NJ 08543-9011 Name and address of agent for service: Robert C. Doll, Jr., Chief Executive Officer, MuniYield Quality 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: (609) 282-2800 Date of fiscal year end: 10/31/2006 Date of reporting period: 05/01/06 - 07/31/06 Item 1 - Schedule of Investments MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) Face State Amount Municipal Bonds Value ----------------------------------------------------------------------------------------------------------------------------------- Arizona - 0.6% $ 2,345 Maricopa County, Arizona, Public Finance Corporation, Lease Revenue Bonds, RIB, Series 511X, 7.09% due 7/01/2014 (a)(i) $ 2,675 ----------------------------------------------------------------------------------------------------------------------------------- California - 23.8% 4,150 Alameda Corridor Transportation Authority, California, Capital Appreciation Revenue Refunding Bonds, Subordinate Lien, Series A, 5.45% due 10/01/2012 (a)(n) 3,219 1,250 Anaheim, California, Public Financing Authority, Electric System Distribution Facilities Revenue Bonds, Series A, 5% due 10/01/2031 (f) 1,286 2,940 California State, GO, 5.50% due 4/01/2028 3,178 4,450 California State, GO, Refunding, 5.25% due 9/01/2010 (h) 4,692 2,300 California State, GO, Refunding, 5.125% due 6/01/2027 2,356 2,850 California State, GO, Refunding, ROLS, Series II-R-272, 6.726% due 2/01/2033 (i)(j) 3,127 3,450 California State University, Systemwide Revenue Bonds, Series A, 5% due 11/01/2035 (d) 3,537 10,000 California State, Various Purpose, GO, 5.25% due 11/01/2029 10,428 3,200 California State, Various Purpose, GO, 5.50% due 11/01/2033 3,440 2,100 California State, Various Purpose, GO, Refunding, 5% due 12/01/2031 (g) 2,159 1,200 Chino Valley, California, Unified School District, GO (Election of 2002), Series C, 5.25% due 8/01/2030 (g) 1,274 2,150 East Side Union High School District, California, Santa Clara County, GO (Election of 2002), Series D, 5% due 8/01/2026 (b) 2,227 5,000 Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue Bonds, RIB, Series RR II R 285X, 7.233% due 6/01/2043 (b)(i) 5,964 7,080 Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue Bonds, RIB, Series RR II R 287X, 7.486% due 6/01/2038 (i)(k) 8,550 1,600 Golden State Tobacco Securitization Corporation of California, Tobacco Settlement Revenue Bonds, Series B, 5.50% due 6/01/2013 (b)(h) 1,754 5,000 Hacienda-La Puente, California, Unified School District, GO (Election of 2000), Series B, 5% due 8/01/2027 (f) 5,155 10,650 Los Angeles, California, Unified School District, GO, Series A, 5% due 1/01/2028 (g) 10,990 ----------------------------------------------------------------------------------------------------------------------------------- Portfolio Abbreviations To simplify the listings of MuniYield Quality Fund, Inc.'s portfolio holdings in the Schedule of Investments, we have abbreviated the names of many of the securities according to the list below. AMT Alternative Minimum Tax (subject to) COP Certificates of Participation DRIVERS Derivative Inverse Tax-Exempt Receipts EDA Economic Development Authority GO General Obligation Bonds HDA Housing Development Authority HFA Housing Finance Agency IDA Industrial Development Authority IDB Industrial Development Board PCR Pollution Control Revenue Bonds RIB Residual Interest Bonds ROLS Reset Option Long Securities S/F Single-Family MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) Face State Amount Municipal Bonds Value ----------------------------------------------------------------------------------------------------------------------------------- $ 4,000 Metropolitan Water District of Southern California, Waterworks Revenue Bonds, Series B-1, 5% due 10/01/2029 (d) $ 4,128 2,275 Metropolitan Water District of Southern California, Waterworks Revenue Bonds, Series B-1, 5% due 10/01/2036 (d) 2,338 2,000 Mount Diablo, California, Unified School District, GO (Election of 2002), 5% due 7/01/2027 (d) 2,061 2,750 Orange County, California, Sanitation District, COP, 5% due 2/01/2033 (d) 2,822 2,000 Poway, California, Redevelopment Agency, Tax Allocation Refunding Bonds (Paguay Redevelopment Project), 5.125% due 6/15/2033 (a) 2,065 2,100 Sacramento, California, Unified School District, GO (Election of 2002), 5% due 7/01/2030 (g) 2,173 9,000 San Diego County, California, Water Authority, Water Revenue Refunding Bonds, COP, Series A, 5% due 5/01/2032 (g) 9,241 2,725 San Mateo County, California, Community College District, GO (Election of 2001), Series A, 5% due 9/01/2026 (d) 2,812 1,950 Tamalpais, California, Union High School District, GO (Election of 2001), 5% due 8/01/2028 (f) 2,009 1,700 University of California, Limited Project Revenue Bonds, Series B, 5% due 5/15/2033 (f) 1,754 3,150 Ventura County, California, Community College District, GO (Election of 2002), Series B, 5% due 8/01/2030 (g) 3,261 ----------------------------------------------------------------------------------------------------------------------------------- Colorado - 4.0% 1,650 Colorado Health Facilities Authority Revenue Bonds (Catholic Health Initiatives), Series A, 5.50% due 3/01/2032 (c) 1,765 1,600 Colorado Health Facilities Authority Revenue Bonds (Covenant Retirement Communities Inc.), Series A, 5.50% due 12/01/2027 (j) 1,684 1,000 Colorado Health Facilities Authority Revenue Bonds (Covenant Retirement Communities Inc.), Series A, 5.50% due 12/01/2033 (j) 1,047 1,065 Colorado Housing and Finance Authority, Revenue Refunding Bonds (S/F Program), AMT, Series B-2, 6.80% due 2/01/2031 (g) 1,102 9,000 E-470 Public Highway Authority, Colorado, Capital Appreciation Revenue Refunding Bonds, Series B, 5.485% due 9/01/2029 (g)(n) 2,696 11,125 Northwest Parkway, Colorado, Public Highway Authority, Capital Appreciation Revenue Bonds, Senior Convertible, Series C, 5.345% due 6/15/2011 (f)(n) 9,656 ----------------------------------------------------------------------------------------------------------------------------------- District of 2,500 District of Columbia, Revenue Refunding Bonds (Catholic University of America Columbia - 0.6% Project), 5.625% due 10/01/2029 (a) 2,632 ----------------------------------------------------------------------------------------------------------------------------------- Florida - 2.5% 2,240 Beacon Tradeport Community Development District, Florida, Special Assessment Revenue Refunding Bonds (Commercial Project), Series A, 5.625% due 5/01/2032 (j) 2,401 1,240 Halifax Hospital Medical Center, Florida, Hospital Revenue Refunding Bonds, Series A, 5% due 6/01/2038 1,233 2,065 Highlands County, Florida, Health Facilities Authority, Hospital Revenue Bonds (Adventist Health System), Series C, 5.25% due 11/15/2036 2,133 5,200 Orange County, Florida, Sales Tax Revenue Refunding Bonds, Series B, 5.125% due 1/01/2032 (d) 5,384 ----------------------------------------------------------------------------------------------------------------------------------- Georgia - 6.4% 3,500 Atlanta, Georgia, Airport Passenger Facility Charge and Subordinate Lien General Revenue Refunding Bonds, Series C, 5% due 1/01/2033 (f) 3,583 5,000 Atlanta, Georgia, Airport Passenger Facility Charge, Revenue Refunding Bonds, ROLS, Series II-R-517X, 6.239% due 1/01/2033 (f)(i) 5,236 4,420 Atlanta, Georgia, Water and Wastewater Revenue Bonds, 5% due 11/01/2034 (f) 4,534 MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) Face State Amount Municipal Bonds Value ----------------------------------------------------------------------------------------------------------------------------------- $ 1,675 Atlanta, Georgia, Water and Wastewater Revenue Bonds, Series A, 5% due 11/01/2039 (g) $ 1,703 5,000 Augusta, Georgia, Water and Sewer Revenue Bonds, 5.25% due 10/01/2034 (f) 5,264 3,220 Augusta, Georgia, Water and Sewer Revenue Bonds, 5.25% due 10/01/2039 (f) 3,377 4,785 Monroe County, Georgia, Development Authority, PCR, Refunding (Oglethorpe Power Corporation-Scherer), Series A, 6.80% due 1/01/2011 5,291 ----------------------------------------------------------------------------------------------------------------------------------- Hawaii - 0.5% 2,000 Hawaii State, GO, Series CX, 5.50% due 2/01/2021 (f) 2,135 ----------------------------------------------------------------------------------------------------------------------------------- Illinois - 21.7% 5,000 Chicago, Illinois, Board of Education, GO, RIB, Series 467, 7.59% due 12/01/2027 (a)(i) 5,457 5,000 Chicago, Illinois, GO (Lakefront Millennium Parking Facilities), 5.125% due 1/01/2028 (g) 5,110 2,500 Chicago, Illinois, GO (Lakefront Millennium Parking Facilities), 5.75% due 1/01/2029 (g) 2,726 3,400 Chicago, Illinois, O'Hare International Airport Revenue Bonds, Third Lien, AMT, Series B-2, 5.75% due 1/01/2023 (f) 3,685 4,000 Chicago, Illinois, O'Hare International Airport Revenue Bonds, Third Lien, AMT, Series B-2, 5.75% due 1/01/2024 (f) 4,333 3,300 Chicago, Illinois, O'Hare International Airport Revenue Bonds, Third Lien, AMT, Series B-2, 6% due 1/01/2029 (b) 3,635 2,665 Chicago, Illinois, O'Hare International Airport, Revenue Refunding Bonds, 3rd Lien, AMT, Series A-2, 5.75% due 1/01/2021 (f) 2,887 6,835 Chicago, Illinois, O'Hare International Airport, Revenue Refunding Bonds, DRIVERS, AMT, Series 250, 7.504% due 1/01/2021 (g)(i) 7,709 2,500 Chicago, Illinois, O'Hare International Airport, Revenue Refunding Bonds, DRIVERS, AMT, Series 844Z, 6.999% due 7/01/2010 (g)(i) 2,760 6,250 Chicago, Illinois, O'Hare International Airport, Revenue Refunding Bonds, RIB, AMT, Series 994X, 6.81% due 1/01/2032 (g)(i) 6,718 5,080 Cook County, Illinois, Capital Improvement, GO, Series C, 5.50% due 11/15/2012 (a)(h) 5,547 2,130 Illinois Development Finance Authority Revenue Bonds (Presbyterian Home Lake Project), Series B, 6.25% due 9/01/2017 (f) 2,176 28,525 Illinois Sports Facilities Authority, State Tax Supported Revenue Bonds, 5.212% due 6/15/2010 (a)(n) 25,148 5,500 Illinois Sports Facilities Authority, State Tax Supported Revenue Bonds, 5% due 6/15/2032 (a) 5,615 3,750 Illinois Student Assistance Commission, Student Loan Revenue Refunding Bonds, AMT, Sub-Series CC, 6.875% due 3/01/2015 3,756 7,000 Metropolitan Pier and Exposition Authority, Illinois, Dedicated State Tax Revenue Refunding Bonds (McCormick Place Expansion Project), 5.50% due 12/15/2024 (d) 7,378 3,500 Metropolitan Pier and Exposition Authority, Illinois, Dedicated State Tax Revenue Refunding Bonds (McCormick Place Expansion Project), Series B, 5.75% due 6/15/2023 (g) 3,822 ----------------------------------------------------------------------------------------------------------------------------------- Indiana - 5.2% 3,750 Indiana Transportation Finance Authority, Highway Revenue Bonds, Series A, 5% due 6/01/2028 (f) 3,848 7,500 Indiana Transportation Finance Authority, Highway Revenue Bonds, Series A, 5.25% due 6/01/2029 (d) 7,888 6,470 Indianapolis, Indiana, Local Public Improvement Bond Bank, Revenue Refunding Bonds (Indianapolis Airport Authority Project), AMT, Series B, 5.25% due 1/01/2028 (g) 6,763 5,055 Indianapolis, Indiana, Local Public Improvement Bond Bank, Revenue Refunding Bonds (Indianapolis Airport Authority Project), AMT, Series B, 5.25% due 1/01/2030 (g) 5,276 ----------------------------------------------------------------------------------------------------------------------------------- MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) Face State Amount Municipal Bonds Value ----------------------------------------------------------------------------------------------------------------------------------- Louisiana - 6.1% $ 8,500 Louisiana Local Government, Environmental Facilities, Community Development Authority Revenue Bonds (Capital Projects and Equipment Acquisition), Series A, 6.30% due 7/01/2030 (a) $ 9,557 2,800 Louisiana State Citizens Property Insurance Corporation, Assessment Revenue Bonds, Series B, 5% due 6/01/2023 (a) 2,910 4,675 Louisiana State Transportation Authority, Senior Lien Toll Revenue Capital Appreciation Bonds, Series B, 5.31% due 12/01/2027 (a)(n) 1,540 6,150 New Orleans, Louisiana, Ernest N. Morial Exhibit Hall Authority, Special Tax, Sub-Series A, 5.25% due 7/15/2028 (a) 6,378 5,000 New Orleans, Louisiana, Ernest N. Morial Exhibit Hall Authority, Special Tax, Sub-Series A, 5% due 7/15/2033 (a) 5,044 1,900 Terrebonne Parish, Louisiana, Hospital Service District Number 1, Hospital Revenue Bonds (Terrebonne General Medical Center Project), 5.50% due 4/01/2033 (a) 2,038 ----------------------------------------------------------------------------------------------------------------------------------- Maryland - 1.3% 5,615 Baltimore, Maryland, Convention Center Hotel Revenue Bonds, Senior Series A, 5.25% due 9/01/2039 (b) 5,921 ----------------------------------------------------------------------------------------------------------------------------------- Massachusetts - 8.0% 3,730 Massachusetts Bay, Massachusetts, Transportation Authority, General Transportation System Revenue Refunding Bonds, Series A, 7% due 3/01/2011 (g) 4,213 3,550 Massachusetts Bay, Massachusetts, Transportation Authority, General Transportation System Revenue Refunding Bonds, Series A, 7% due 3/01/2014 (g) 4,164 2,000 Massachusetts Bay Transportation Authority, Sales Tax Revenue Refunding Bonds, Senior Series A, 5% due 7/01/2035 2,040 900 Massachusetts Bay Transportation Authority, Special Assessment Revenue Refunding Bonds, Series A, 5% due 7/01/2031 930 4,000 Massachusetts State, HFA, Rental Housing Mortgage Revenue Bonds, AMT, Series C, 5.60% due 1/01/2045 (f) 4,196 1,915 Massachusetts State Port Authority, Special Facilities Revenue Bonds, DRIVERS, AMT, Series 501, 6.999% due 7/01/2009 (a)(i) 2,087 14,400 Massachusetts State School Building Authority, Dedicated Sales Tax Revenue Bonds, Series A, 5% due 8/15/2030 (f) 14,919 2,400 Massachusetts State Special Obligation Dedicated Tax Revenue Bonds, 5.25% due 1/01/2014 (d)(h) 2,597 1,210 Massachusetts State Water Resource Authority, General Revenue Refunding Bonds, Series B, 5.125% due 8/01/2027 (g) 1,255 ----------------------------------------------------------------------------------------------------------------------------------- Michigan - 4.7% 2,350 Detroit, Michigan, Sewage Disposal System, Second Lien Revenue Bonds, Series B, 5% due 7/01/2036 (d) 2,417 5,000 Detroit, Michigan, Water Supply System Revenue Bonds, Series B, 5.25% due 7/01/2032 (g) 5,406 2,300 Michigan Higher Education Student Loan Authority, Student Loan Revenue Refunding Bonds, AMT, Series XVII-G, 5.20% due 9/01/2020 (a) 2,374 1,700 Michigan State Strategic Fund, Limited Obligation Revenue Refunding Bonds (Detroit Edison Company Pollution Control Project), AMT, Series A, 5.50% due 6/01/2030 (b) 1,797 3,300 Michigan State Strategic Fund, Limited Obligation Revenue Refunding Bonds (Detroit Edison Company Pollution Control Project), AMT, Series C, 5.65% due 9/01/2029 (b) 3,470 5,800 Michigan State Strategic Fund, Limited Obligation Revenue Refunding Bonds (Detroit Edison Company Pollution Control Project), AMT, Series C, 5.45% due 12/15/2032 (b) 6,060 ----------------------------------------------------------------------------------------------------------------------------------- MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) Face State Amount Municipal Bonds Value ----------------------------------------------------------------------------------------------------------------------------------- Nebraska - 2.0% $ 6,315 Municipal Energy Agency of Nebraska, Power Supply System Revenue Bonds, Series A, 5% due 4/01/2033 (f) $ 6,473 2,300 Washington County, Nebraska, Wastewater Facilities Revenue Bonds (Cargill Inc. Project), AMT, 5.90% due 11/01/2027 2,468 ----------------------------------------------------------------------------------------------------------------------------------- Nevada - 7.0% 4,100 Carson City, Nevada, Hospital Revenue Bonds (Carson-Tahoe Hospital Project), Series A, 5.50% due 9/01/2033 (j) 4,316 2,000 Clark County, Nevada, Airport System Subordinate Lien Revenue Bonds, Series A-2, 5% due 7/01/2030 (d) 2,043 19,100 Clark County, Nevada, Airport System Subordinate Lien Revenue Bonds, Series A-2, 5% due 7/01/2036 (d) 19,449 5,710 Washoe County, Nevada, School District, GO, 5.875% due 12/01/2009 (f)(h) 6,081 ----------------------------------------------------------------------------------------------------------------------------------- New Hampshire - 3.5% 10,000 New Hampshire Health and Education Facilities Authority Revenue Bonds (Dartmouth-Hitchcock Obligation Group, 5.50% due 8/01/2027 (f) 10,680 5,000 New Hampshire State Business Finance Authority, PCR, Refunding (Public Service Company), AMT, Series D, 6% due 5/01/2021 (g) 5,260 ----------------------------------------------------------------------------------------------------------------------------------- New Jersey - 6.0% 910 New Jersey EDA, Cigarette Tax Revenue Bonds, 5.75% due 6/15/2029 964 1,385 New Jersey EDA, Cigarette Tax Revenue Bonds, 5.50% due 6/15/2031 1,435 5,500 New Jersey EDA, Motor Vehicle Surcharge Revenue Bonds, Series A, 5.25% due 7/01/2031 (g) 5,802 3,575 New Jersey EDA, Revenue Bonds, ROLS, Series II-R-309-1, 7.233% due 6/15/2024 (e)(i) 4,020 3,000 New Jersey EDA, Revenue Bonds, ROLS, Series II-R-309-2, 7.233% due 6/15/2031 (e)(i) 3,386 3,860 New Jersey EDA, School Facilities Construction Revenue Bonds, Series O, 5.125% due 3/01/2028 3,991 7,500 New Jersey EDA, School Facilities Construction Revenue Bonds, Series O, 5.125% due 3/01/2030 7,744 ----------------------------------------------------------------------------------------------------------------------------------- New York - 6.6% 8,990 Metropolitan Transportation Authority, New York, Transportation Revenue Bonds, Series A, 5% due 11/15/2032 (d) 9,232 6,920 New York City, New York, GO, RIB, Series 394, 7.814% due 8/01/2016 (g)(i) 8,055 265 New York City, New York, GO, Refunding, Series G, 5.75% due 2/01/2017 (f) 269 140 New York City, New York, GO, Series F, 5.75% due 2/01/2019 (b) 142 8,000 New York State Thruway Authority, General Revenue Refunding Bonds, Series G, 5% due 1/01/2032 (f) 8,279 3,570 Tobacco Settlement Financing Corporation of New York Revenue Bonds, Series A-1, 5.25% due 6/01/2022 (a) 3,773 ----------------------------------------------------------------------------------------------------------------------------------- Ohio - 1.1% 2,500 Columbus, Ohio, City School District, GO (School Facilities Construction and Improvements), 5.25% due 12/01/2027 (f) 2,650 2,000 Jackson, Ohio, Hospital Facilities Revenue Bonds (Consolidated Health System-Jackson Hospital), 6.125% due 10/01/2009 (h)(j) 2,153 ----------------------------------------------------------------------------------------------------------------------------------- Oklahoma - 0.5% 1,000 Tulsa, Oklahoma, Airports Improvement Trust, General Revenue Bonds (Tulsa International Airport), AMT, Series B, 6% due 6/01/2019 (d) 1,064 1,000 Tulsa, Oklahoma, Airports Improvement Trust, General Revenue Bonds (Tulsa International Airport), AMT, Series B, 6.125% due 6/01/2026 (d) 1,067 ----------------------------------------------------------------------------------------------------------------------------------- Oregon - 1.9% 7,500 Portland, Oregon, Sewer System Revenue Bonds, RIB, Series 386, 7.54% due 8/01/2020 (d)(i) 8,576 ----------------------------------------------------------------------------------------------------------------------------------- MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) Face State Amount Municipal Bonds Value ----------------------------------------------------------------------------------------------------------------------------------- Pennsylvania - 6.7% $ 6,000 Pennsylvania State Public School Building Authority, School Lease Revenue Bonds (The School District of Philadelphia Project), 5.25% due 6/01/2025 (f) $ 6,363 16,725 Pennsylvania State Public School Building Authority, School Lease Revenue Bonds (The School District of Philadelphia Project), 5% due 6/01/2033 (f) 17,083 6,250 Philadelphia, Pennsylvania, Authority for Industrial Development, Lease Revenue Bonds, Series B, 5.50% due 10/01/2021 (f) 6,692 ----------------------------------------------------------------------------------------------------------------------------------- Rhode Island - 0.6% 2,500 Providence, Rhode Island, GO, Series A, 5.70% due 7/15/2007 (f)(h) 2,572 ----------------------------------------------------------------------------------------------------------------------------------- South 3,750 Berkeley County, South Carolina, School District, Installment Lease Revenue Bonds Carolina - 3.6% (Securing Assets for Education Project), 5.125% due 12/01/2030 3,860 3,200 Kershaw County, South Carolina, Public Schools Foundation, Installment Power Revenue Refunding Bonds, 5% due 12/01/2029 (k) 3,270 8,900 South Carolina Transportation Infrastructure Bank Revenue Bonds, Series A, 5% due 10/01/2033 (a) 9,103 ----------------------------------------------------------------------------------------------------------------------------------- Tennessee - 4.1% 7,850 Chattanooga, Tennessee, IDB, Lease Rent Revenue Bonds (Southside Redevelopment Corporation), 5.875% due 10/01/2024 (a) 8,401 5,000 Memphis-Shelby County, Tennessee, Airport Authority, Airport Revenue Bonds, AMT, Series D, 6.25% due 3/01/2018 (a) 5,381 2,075 Tennessee HDA, Homeownership Revenue Bonds, AMT, Series 2-C, 6.10% due 7/01/2013 (a) 2,127 2,390 Tennessee HDA, Homeownership Revenue Bonds, AMT, Series 2-C, 6.20% due 7/01/2015 (a) 2,434 ----------------------------------------------------------------------------------------------------------------------------------- Texas - 12.3% 2,000 Austin, Texas, Convention Center Revenue Bonds (Convention Enterprises Inc.), Trust Certificates, Second Tier, Series B, 6% due 1/01/2023 2,111 1,000 Bell County, Texas, Health Facilities Development Revenue Bonds (Lutheran General Health Care System), 6.50% due 7/01/2019 (c) 1,194 1,835 Dallas-Fort Worth, Texas, International Airport Revenue Refunding and Improvement Bonds, AMT, Series A, 5.875% due 11/01/2017 (d) 1,974 2,145 Dallas-Fort Worth, Texas, International Airport Revenue Refunding and Improvement Bonds, AMT, Series A, 5.875% due 11/01/2018 (d) 2,307 2,385 Dallas-Fort Worth, Texas, International Airport Revenue Refunding and Improvement Bonds, AMT, Series A, 5.875% due 11/01/2019 (d) 2,565 5,235 Denton, Texas, Utility System Revenue Bonds, RIB, Series 369, 8.04% due 12/01/2017 (f)(i) 6,138 6,000 Gregg County, Texas, Health Facilities Development Corporation, Hospital Revenue Bonds (Good Shepherd Medical Center Project), 6.875% due 10/01/2020 (j) 6,653 2,600 Gregg County, Texas, Health Facilities Development Corporation, Hospital Revenue Bonds (Good Shepherd Medical Center Project), 6.375% due 10/01/2025 (j) 2,834 4,000 Harris County-Houston Sports Authority, Texas, Revenue Refunding Bonds, Senior Lien, Series G, 5.75% due 11/15/2020 (g) 4,290 9,250 Leander, Texas, Independent School District, Capital Appreciation, GO, Refunding (School Building), 5.46% due 8/15/2028 (d)(n) 2,915 13,350 Leander, Texas, Independent School District, Capital Appreciation, GO, Refunding (School Building), 5.58% due 8/15/2035 (n) 2,771 MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) Face State Amount Municipal Bonds Value ----------------------------------------------------------------------------------------------------------------------------------- $ 7,150 North Harris County, Texas, Regional Water Authority, Senior Lien Revenue Bonds, 5.125% due 12/15/2035 (g) $ 7,350 7,200 Texas State Turnpike Authority, Central Texas Turnpike System Revenue Bonds, First Tier, Series A, 5.75% due 8/15/2038 (a) 7,799 4,600 Travis County, Texas, Health Facilities Development Corporation, Revenue Refunding Bonds (Ascension Health Credit), Series A, 6.25% due 11/15/2009 (g)(h) 4,986 ----------------------------------------------------------------------------------------------------------------------------------- Utah - 3.7% 15,000 Salt Lake City, Utah, Hospital Revenue Refunding Bonds (IHC Hospitals Inc.), 6.30% due 2/15/2015 (g) 16,975 ----------------------------------------------------------------------------------------------------------------------------------- Virginia - 0.7% 3,100 Halifax County, Virginia, IDA, Exempt Facility Revenue Refunding Bonds (Old Dominion Electric Cooperative Project), AMT, 5.625% due 6/01/2028 (a) 3,333 ----------------------------------------------------------------------------------------------------------------------------------- Washington - 4.8% 7,500 Energy Northwest, Washington, Electric Revenue Bonds, DRIVERS, Series 242, 7.535% due 7/01/2017 (g)(i) 8,821 2,400 Port of Tacoma, Washington, Revenue Refunding Bonds, Series A, 5.25% due 12/01/2034 (a) 2,515 5,100 Tacoma, Washington, Regional Water Supply System, Water Revenue Bonds, 5% due 12/01/2032 (g) 5,202 5,000 Washington State, GO, Series A and AT-6, 6.25% due 2/01/2011 (f) 5,299 ----------------------------------------------------------------------------------------------------------------------------------- Puerto Rico - 2.2% 1,475 Puerto Rico Electric Power Authority, Power Revenue Bonds, Series II, 5.25% due 7/01/2031 1,525 8,300 Puerto Rico Electric Power Authority, Power Revenue Bonds, Series NN, 5.125% due 7/01/2029 8,521 ----------------------------------------------------------------------------------------------------------------------------------- Total Municipal Bonds (Cost - $667,972) - 152.7% 691,817 ----------------------------------------------------------------------------------------------------------------------------------- Shares Held Short-Term Securities ----------------------------------------------------------------------------------------------------------------------------------- 4,300 Merrill Lynch Institutional Tax-Exempt Fund, 3.45% (l)(m) 4,300 ----------------------------------------------------------------------------------------------------------------------------------- Total Short-Term Securities (Cost - $4,300) - 1.0% 4,300 ----------------------------------------------------------------------------------------------------------------------------------- Total Investments (Cost - $672,272*) - 153.7% 696,117 Other Assets Less Liabilities - 1.6% 7,051 Preferred Stock, at Redemption Value - (55.3%) (250,244) ---------- Net Assets Applicable to Common Stock - 100.0% $ 452,924 ========== * The cost and unrealized appreciation (depreciation) of investments as of July 31, 2006, as computed for federal income tax purposes, were as follows: Aggregate cost $ 672,272 ========== Gross unrealized appreciation $ 25,546 Gross unrealized depreciation (1,701) ---------- Net unrealized appreciation $ 23,845 ========== (a) AMBAC Insured. (b) XL Capital Insured. (c) Escrowed to maturity. (d) FGIC Insured. (e) Assured Guaranty Insured. (f) FSA Insured. (g) MBIA Insured. (h) Prerefunded. (i) The rate disclosed is that currently in effect. This rate changes periodically and inversely based upon prevailing market rates. (j) Radian Insured. MuniYield Quality Fund, Inc. Schedule of Investments as of July 31, 2006 (in Thousands) (k) CIFG Insured. (l) 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 Dividend Affiliate Activity Income -------------------------------------------------------------------------- Merrill Lynch Institutional Tax-Exempt Fund (7,200) $ 107 -------------------------------------------------------------------------- (m) Represents the current yield as of July 31, 2006. (n) Represents a step or zero coupon bond; the interest rate shown reflects the effective yield at the time of purchase. o Forward interest rate swaps outstanding as of July 31, 2006 were as follows: ---------------------------------------------------------------------------------------------------- Notional Unrealized Amount Depreciation ---------------------------------------------------------------------------------------------------- Pay a fixed rate of 4.168% and receive a floating rate based on a 1-week Bond Market Association rate Broker, JPMorgan Chase Bank Expires August 2016 $ 40,000 $ (479) Pay a fixed rate of 4.285% and receive a floating rate based on a 1-week Bond Market Association rate Broker, JPMorgan Chase Bank Expires September 2021 $ 12,500 (134) ---------------------------------------------------------------------------------------------------- Total $ (613) ============ Item 2 - Controls and Procedures 2(a) - The registrant's certifying officers have reasonably designed such disclosure controls and procedures to ensure material information relating to the registrant is made known to us by others particularly during the period in which this report is being prepared. The registrant's certifying officers have determined that the registrant's disclosure controls and procedures are effective based on our evaluation of these controls and procedures as of a date within 90 days prior to the filing date of this report. 2(b) - There were no changes in the registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the Act (17 CFR 270.30a-3(d)) that occurred during the last fiscal quarter of the period covered by this report that has materially affected, or is 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. MuniYield Quality Fund, Inc. By: /s/ Robert C. Doll, Jr. --------------------------- Robert C. Doll, Jr. Chief Executive Officer MuniYield Quality Fund, Inc. Date: September 20, 2006 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/ Robert C. Doll, Jr. --------------------------- Robert C. Doll, Jr. Chief Executive Officer MuniYield Quality Fund, Inc. Date: September 20, 2006 By: /s/ Donald C. Burke --------------------------- Donald C. Burke Chief Financial Officer MuniYield Quality Fund, Inc. Date: September 20, 2006