| Walmart Inc.Bentonville, AR | 4 | 2,010,433 | Merrill |
| Western Conference of Teamsters Pension Trust FundSeattle, WA | 1 | 643,772 | Northwest Administrators |
| Wells Fargo & CompanyMinneapolis, MN | 7 | 415,670 | Empower |
| Walgreen Co.Deerfield, IL | 2 | 259,130 | Fidelity |
| Western Unite Here and EmployersSan Francisco, CA | 1 | 154,012 | n/a |
| Western States Carpenters Pension PlanLos Angeles, CA | 1 | 139,574 | n/a |
| Whole Foods Market, Inc.Austin, TX | 1 | 123,250 | Fidelity |
| Wellstar Health System, Inc.Marietta, GA | 5 | 88,558 | Transamerica |
| Wawa, Inc.Wawa, PA | 2 | 75,944 | Vanguard |
| Wegmans Food Markets Inc.Rochester, NY | 1 | 66,626 | Fidelity |
| William Beaumont HospitalSouthfield, MI | 2 | 64,201 | Fidelity |
| Winco Holdings, Inc.Boise, ID | 2 | 61,277 | Newport |
| Whelan Security Management Company Inc.Saint Louis, MO | 1 | 57,757 | Fidelity |
| Whataburger Restaurants LLCSan Antonio, TX | 1 | 53,752 | Fidelity |
| Willis Towers Watson US LLCArlington, VA | 6 | 53,521 | Empower |
| Wvu Health SystemMorgantown, WV | 4 | 50,804 | Fidelity |
| Whirlpool CorporationBenton Harbor, MI | 9 | 49,151 | Vanguard |
| Waste Management, Inc.Houston, TX | 1 | 47,129 | Merrill |
| Westrock CompanyAtlanta, GA | 5 | 45,282 | Empower |
| Wellspan HealthYork, PA | 11 | 42,271 | Empower |
| WPP Group USA, Inc.New York, NY | 3 | 41,591 | Vanguard |
| Washington University in ST. LouisST. Louis, MO | 1 | 40,001 | TIAA |
| Warner Bros. Discovery, Inc.New York, NY | 1 | 38,868 | Fidelity |
| Wand Newco 3, Inc.Lewisville, TX | 1 | 38,090 | Transamerica |
| Wake Forest University Baptist Medical CenterWinston-Salem, NC | 1 | 35,237 | Transamerica |
| Weyerhaeuser CompanySeattle, WA | 5 | 33,239 | Vanguard |
| W.W. Grainger, Inc.Lake Forest, IL | 2 | 32,245 | Vanguard |
| Wayne Farms LLCOakwood, GA | 9 | 29,688 | Empower |
| West Valley Engineering, Inc.Sunnyvale, CA | 1 | 28,156 | Standard (StanCorp) |
| WSP USA Buildings Inc.New York, NY | 3 | 23,617 | T. Rowe Price |
| Williams-Sonoma, Inc.San Francisco, CA | 1 | 22,777 | Schwab |
| Westinghouse Electric Company LLCCranberry Township, PA | 4 | 22,423 | Voya |
| Weis Markets, Inc.Sunbury, PA | 3 | 22,404 | Voya |
| William Marsh Rice UniversityHouston, TX | 2 | 21,662 | Fidelity |
| Wec Energy Group, Inc.Milwaukee, WI | 11 | 21,476 | Fidelity |
| W.L. Gore & Associates, Inc.Newark, DE | 2 | 21,011 | Transition Finance Services |
| Willis-Knighton Medical CenterShreveport, LA | 2 | 19,908 | Valic Retirement Services |
| W PA Teamsters & Employers PensionPittsburgh, PA | 1 | 19,523 | Acrisure Mid-Atl. Part. Ins. Serv. |
| Waste Connections, Inc.The Woodland, TX | 1 | 19,471 | Voya |
| WakemedRaleigh, NC | 2 | 19,223 | Transamerica |
| The Williams Companies, Inc.Tulsa, OK | 6 | 18,273 | Fidelity |
| Wayfair LLCBoston, MA | 1 | 17,988 | Fidelity |
| Westlake Management Services, Inc.Houston, TX | 3 | 17,465 | Vanguard |
| Wesco Distribution, Inc.Pittsburgh, PA | 2 | 16,991 | Fidelity |
| Windstream Services LLCLittle Rock, AR | 2 | 16,567 | Merrill |
| Worldwide Flight Services, Inc.Irving, TX | 1 | 16,245 | Empower |
| Wipro LimitedEast Brunswick, NJ | 1 | 16,144 | Alight |
| Westinghouse Air Brake Technologies CorporationPittsburgh, PA | 2 | 15,750 | Fidelity |
| Workday, Inc.Pleasanton, CA | 1 | 15,710 | Fidelity |
| Wellpath Holdings, Inc.Franklin, TN | 1 | 15,297 | Fidelity |
| West Penn Allegheny Health SystemPittsburgh, PA | 3 | 15,107 | Fidelity |
| West Virginia LaborersCharleston, WV | 1 | 14,955 | Empower |
| Wood Group U.S. Holdings, Inc.Houston, TX | 1 | 14,256 | Empower |
| Wolters Kluwer United States, Inc.Riverwoods, IL | 2 | 14,135 | Fidelity |
| Western States Insulators and Allied Workers IndivPleasanton, CA | 2 | 13,955 | Empower |
| WP Citymd Bidco, LLCNew York, NY | 1 | 13,944 | Fidelity |
| Western Conference of TeamstersPasadena, CA | 1 | 13,908 | n/a |
| White Cap, L.P.Atlanta, GA | 1 | 13,407 | Alight |
| Western Metal Industry Pension PlanSeattle, WA | 1 | 13,218 | Milliman |
| Westat, Inc.Rockville, MD | 2 | 11,703 | n/a |
| Wisconsin Laborers' Pension FundDeforest, WI | 1 | 11,411 | n/a |
| Wo Partners Holdings, Inc.West Palm Beach, FL | 1 | 11,374 | n/a |
| Werner Enterprises, Inc.Omaha, NE | 1 | 11,193 | Empower |
| Wgu CorporationSalt Lake City, UT | 2 | 11,174 | Transamerica |
| White Castle System, Inc.Columbus, OH | 3 | 10,978 | Vanguard |
| Wynn Resorts, LimitedLas Vegas, NV | 1 | 10,917 | Principal |
| The Wendy'S CompanyDublin, OH | 1 | 10,779 | Empower |
| Western Digital CorporationSan Jose, CA | 1 | 10,203 | Fidelity |
| W.R. Grace & Co.Columbia, MD | 3 | 10,137 | Alight |
| Woodward, Inc.Fort Collins, CO | 5 | 9,933 | Vanguard |
| The Western and Southern Life Insurance CompanyCincinnati, OH | 3 | 9,849 | Buck Global |
| White Plains Hospital Medical CenterWhite Plains, NY | 4 | 9,774 | Bpas |
| World Wide Technology, LLCST. Louis, MO | 1 | 9,358 | Merrill |
| Webster Bank, N.A.Jericho, NY | 4 | 9,344 | Fidelity |
| Western Express, Inc.Nashville, TN | 1 | 9,293 | Fidelity |
| W.R. Berkley CorporationGreenwich, CT | 1 | 9,194 | Fidelity |
| Worley Group Inc.Houston, TX | 3 | 8,901 | Principal |
| Western Connecticut Health Network, Inc.Danbury, CT | 2 | 8,631 | n/a |
| W. Wa Painters Defined Contribution Pension PlanTukwila, WA | 1 | 8,264 | Benesys Administrators |
| The William Carter CompanyAtlanta, GA | 1 | 8,196 | Merrill |
| Watsco, Inc.Miami, FL | 1 | 8,100 | T. Rowe Price |
| WK Kellogg CoBattle Creek, MI | 3 | 8,066 | n/a |
| The Wrench GroupMarietta, GA | 1 | 7,934 | Empower |
| Wilbur-Ellis Holdings, Inc.Denver, CO | 2 | 7,675 | Fidelity |
| Worksmart Systems, Inc.Indianapolis, IN | 1 | 7,594 | John Hancock |
| Willow Bridge E.C.W. LLCDallas, TX | 1 | 7,444 | Principal |
| The Whiting-Turner Contracting CompanyTowson, MD | 3 | 7,274 | T. Rowe Price |
| West Virginia Laborers Pension Trust FundCharleston, WV | 1 | 7,245 | n/a |
| The Wonderful CompanyLos Angeles, CA | 1 | 7,227 | Fidelity |
| Western Dental Services, Inc.Orange, CA | 2 | 7,088 | Voya |
| Wintrust Financial CorporationRosemont, IL | 1 | 7,016 | Empower |
| World Market, LLCAlameda, CA | 2 | 6,902 | Fidelity |
| Wright Service Corp.West Des Moines, IA | 3 | 6,847 | Principal |
| Wonder Group, Inc.New York, NY | 1 | 6,720 | Fidelity |
| Western States Office & Professional EmpPortland, CA | 1 | 6,631 | n/a |
| Winnebago Industries, Inc.Eden Prairie, MN | 1 | 6,560 | Empower |
| Western Wa U.A. Supplemental Pension PlanTukwila, WA | 1 | 6,517 | Milliman |
| Weil, Gotshal & Manges LLPNew York, NY | 8 | 6,320 | Fidelity |
| White Lodging Services CorporationMerrillville, IN | 1 | 6,294 | Merrill |
| WVP of Washington PCDenver, CO | 1 | 6,167 | ADP |
| Western Employees Benefit PlanSeattle, WA | 1 | 6,153 | First Hill Trust |
| Waste Pro USA, Inc.Longwood, FL | 1 | 6,139 | ADP |
| Westchester Medical Center Advanced Physician Services, P.CValhalla, NY | 1 | 6,115 | Empower |
| Webber, LLC.The Woodlands, TX | 1 | 6,074 | Fidelity |
| Walsh Construction CompanyChicago, IL | 2 | 5,976 | John Hancock |
| Wex Inc.Portland, ME | 1 | 5,901 | Merrill |
| Washington Gas Light CompanyWashington, DC | 4 | 5,846 | Empower |
| Williams International Co, LLCPontiac, MI | 4 | 5,838 | Fidelity |
| Woman'S Hospital FoundationBaton Rouge, LA | 3 | 5,807 | Transamerica |
| Wolfspeed, Inc.Durham, NC | 2 | 5,792 | Fidelity |
| WPS Insurance CorporationMonona, WI | 7 | 5,784 | Newport |
| Wabash National Corp.Lafayette, IN | 1 | 5,748 | Fidelity |
| West Fraser, Inc.Germantown, TN | 9 | 5,698 | Fidelity |
| Weatherford International, LLCHouston, TX | 1 | 5,675 | T. Rowe Price |
| Wmbe Payrolling IncSan Diego, CA | 2 | 5,672 | Empower |
| Williams Scotsman, Inc.Scottsdale, AZ | 1 | 5,628 | Fidelity |
| Wake Forest UniversityWinston Salem, NC | 1 | 5,589 | TIAA |
| Woodgrain Inc.Fruitland, ID | 1 | 5,558 | Vanguard |
| Wurth Group of North America IncRamsey, NJ | 1 | 5,478 | Fidelity |
| Western States Lodging & Management L.C.South Jordan, UT | 1 | 5,356 | Fidelity |
| Winn Management Group LLCBoston, MA | 1 | 5,299 | Fidelity |
| W.K.S. Restaurant CorporationCypress, CA | 1 | 5,298 | Tri-Ad Actuaries |
| West Pharmaceutical Services, Inc.Exton, PA | 3 | 5,297 | Fidelity |
| Wayne Memorial Hospital, Inc.Goldsboro, NC | 3 | 5,281 | Principal |
| Wexford Health Sources, Inc.Pittsburgh, PA | 2 | 5,154 | Empower |
| Wendy'S of Colorado Springs, Inc.Colorado Springs, CO | 1 | 5,031 | RPG Consultants |
| Wellmark, Inc.Des Moines, IA | 2 | 5,014 | Principal |
| Wells Enterprises, Inc.Le Mars, IA | 3 | 5,007 | John Hancock |
| Woodforest Financial Group, Inc.The Woodlands, TX | 1 | 4,982 | Principal |
| Watco Companies, L.L.C.Pittsburg, KS | 2 | 4,865 | BOK Financial |
| White & Case, LLPNew York, NY | 3 | 4,735 | Empower |
| Worthington Enterprises, Inc.Columbus, OH | 2 | 4,525 | Fidelity |
| Wake Forest University Health SciencesWinston-Salem, NC | 2 | 4,500 | Transamerica |
| Westminster Services, Inc.Orlando, FL | 2 | 4,424 | Principal |
| Waters Technologies CorporationMilford, MA | 3 | 4,290 | Fidelity |
| Waupaca Foundry, Inc.Waupaca, WI | 5 | 4,140 | Principal |
| Wolverine World Wide, Inc.Rockford, MI | 5 | 3,698 | Empower |
| Wework Management LLCNew York, NY | 1 | 3,672 | Fidelity |
| Weir Group, Inc.Irving, TX | 1 | 3,324 | Vanguard |
| Woodside Energy USA Services Inc.Houston, TX | 5 | 3,269 | Vanguard |
| Watlow Electric Manufacturing CompanyST. Louis, MO | 2 | 3,217 | Empower |
| Webster UniversityST. Louis, MO | 2 | 3,066 | TIAA |
| WW International, Inc.New York, NY | 1 | 3,065 | Fidelity |
| Watts Water Technologies, Inc.North Andover, MA | 2 | 3,025 | Fidelity |
| The Western Union CompanyDenver, CO | 2 | 2,768 | Schwab |
| West Technology Group, LLCIslandia, NY | 1 | 2,681 | Principal |
| Widener UniversityChester, PA | 3 | 2,338 | TIAA |
| Warehouse Employees Union Local 169 and Employers Joint Pension FundElkins Park, PA | 1 | 2,118 | Zenith American Solutions |
| Wurkforce, Inc.Denver, CO | 1 | 2,113 | PCS Retirement |
| Wyndham Hotels & Resorts, Inc.Parsippany, NJ | 1 | 1,893 | Merrill |
| Whittlesea-BellReno, NV | 1 | 1,893 | OneAmerica |
| Wellmont Health SystemKingsport, TN | 4 | 1,870 | n/a |
| Wyle Inc.El Segundo, CA | 2 | 414 | Principal |
| Wasco, LLCBoston, MA | 4 | 62 | n/a |
| Westrock RKT CompanyNorcross, GA. No active plan; last report 2014 | 14 | 70,062 | n/a |
| Westrock MWV, LLCNorcross, GA. No active plan; last report 2015 | 6 | 59,946 | n/a |
| Warner Media, LLCNew York, NY. No active plan; last report 2022 | 2 | 51,278 | n/a |
| Winn-Dixie Stores, Inc.Jacksonville, FL. No active plan; last report 2013 | 1 | 35,749 | n/a |
| Westpoint Stevens, Inc.West Point, GA. Pension taken over by the PBGC | 2 | 30,927 | n/a |
| Wheeling Pittsburgh Steel CompanyPension taken over by the PBGC | 4 | 21,696 | n/a |
| Willis North America Inc.Nashville, TN. No active plan; last report 2025 | 2 | 17,212 | n/a |
| Wisconsin Energy CorporationMilwaukee, WI. No active plan; last report 2013 | 3 | 15,893 | n/a |
| Washington MeatSeattle, WA. No active plan; last report 2013 | 1 | 11,525 | n/a |
| WM. Wrigley JR. CompanyChicago, IL. No active plan; last report 2017 | 2 | 10,627 | n/a |
| Wa-Id-Mt Carpenters Employers Retirement Trust FundSpokane, WA. No active plan; last report 2022 | 1 | 10,066 | n/a |
| Weirton SteelWeirton, WV. Pension taken over by the PBGC | 1 | 9,825 | n/a |
| Western Union Financial Services, Inc.Englewood, CO. No active plan; last report 2010 | 3 | 9,149 | n/a |
| Washington River Protection Solutions LLCRichland, WA. No active plan; last report 2018 | 3 | 8,823 | n/a |
| Wilmington Trust CompanyWilmington, DE. No active plan; last report 2011 | 2 | 8,324 | n/a |
| Winston Resources, LLCNew York, NY. No active plan; last report 2022 | 1 | 7,943 | n/a |
| Wisconsin Public Service Corporation (WPSC)Milwaukee, WI. No active plan; last report 2016 | 3 | 7,752 | n/a |
| Willbros United States Holdings, IncHouston, TX. No active plan; last report 2019 | 2 | 7,739 | n/a |
| Wyman-Gordon CompanyHouston, TX. No active plan; last report 2021 | 1 | 7,169 | n/a |
| Western States Income SecuritySeattle, WA. No active plan; last report 2014 | 1 | 7,037 | n/a |
| Wood Group Mustang, Inc.Houston, TX. No active plan; last report 2015 | 2 | 6,684 | n/a |
| Wyndham Vacation Rentals North America, LLCOrlando, FL. No active plan; last report 2018 | 2 | 6,680 | n/a |
| Western Refining, Inc.Tempe, AZ. No active plan; last report 2018 | 2 | 6,144 | n/a |
| White Farm Equipment CoOak Brook, IL. Pension taken over by the PBGC | 4 | 6,016 | n/a |
| Warnaco IncBridgewater, NJ. No active plan; last report 2013 | 1 | 5,731 | n/a |
| Waddell & Reed Financial, Inc.Overland Park, KS. No active plan; last report 2023 | 2 | 5,040 | n/a |