| Mass General Brigham IncorporatedSomerville, MA | 3 | 242,569 | Fidelity |
| Mayo ClinicRochester, MN | 6 | 206,440 | Fidelity |
| Macys, Inc.Springdale, OH | 3 | 192,037 | Merrill |
| Microsoft CorporationRedmond, WA | 1 | 184,329 | Fidelity |
| Marriott International, Inc.Bethesda, MD | 1 | 152,118 | Alight |
| Merck & Co., Inc.Rahway, NJ | 4 | 120,651 | Fidelity |
| Mars, IncorporatedHackettstown, NJ | 6 | 117,176 | Fidelity |
| Motion Picture Industry Pension PlanStudio City, CA | 2 | 110,967 | Fidelity |
| Morgan Stanley Domestic Holdings, LLCNew York, NY | 3 | 104,515 | Alight |
| Meta Platforms, Inc.Menlo Park, CA | 1 | 93,515 | Fidelity |
| Meijer, Inc.Grand Rapids, MI | 4 | 86,698 | Alight |
| The Methodist HospitalHouston, TX | 3 | 86,335 | Fidelity |
| Marsh & Mclennan Companies, Inc.New York, NY | 9 | 86,087 | John Hancock |
| Medtronic, Inc.Minneapolis, MN | 3 | 78,182 | Fidelity |
| The Mount Sinai Medical CenterNew York, NY | 4 | 76,065 | Transamerica |
| Mckinsey & Company, Inc.New York, NY | 4 | 65,688 | Alight |
| Medstar Health, Inc.Columbia, MD | 4 | 64,549 | Empower |
| Maximus, Inc.Mclean, VA | 2 | 63,113 | Fidelity |
| Massachusetts Institute of TechnologyCambridge, MA | 2 | 57,724 | Hedgeserve Cayman |
| MMS USA Holdings, Inc.Chicago, IL | 2 | 55,820 | Fidelity |
| Marathon Petroleum Company LPFindlay, OH | 3 | 55,771 | Fidelity |
| Manufacturers and Traders Trust Co.Buffalo, NY | 13 | 55,465 | T. Rowe Price |
| Memorial Hermann Health SystemHouston, TX | 3 | 54,576 | Fidelity |
| Menard, Inc.Eau Claire, WI | 1 | 54,287 | OneAmerica |
| Multicare Health SystemTacoma, WA | 4 | 50,517 | Empower |
| Motorola Solutions, Inc.Chicago, IL | 4 | 49,327 | Voya |
| Metlife Group, Inc.Bridgewater, NJ | 2 | 45,818 | Northern Trust |
| Massachusetts Mutual Life Insurance CompanySpringfield, MA | 5 | 45,681 | Fidelity |
| MGM Resorts InternationalLas Vegas, NV | 1 | 43,365 | Empower |
| Memorial Sloan Kettering Cancer CenterNew York, NY | 2 | 43,031 | TIAA |
| Mckesson CorporationIrving, TX | 3 | 42,176 | Fidelity |
| Main Line Health, Inc.Radnor, PA | 2 | 39,536 | Vanguard |
| Michelin North America, Inc. C/O Retirement ManagerGreenville, SC | 9 | 38,728 | Vanguard |
| Mid-America Carp Reg Council Supplemental RetiremChicago, IL | 1 | 37,703 | John Hancock |
| Mid-America Carpenters Regional Council Pension FChicago, IL | 1 | 37,623 | Legacy Professionals LLP |
| The Mitre CorporationMclean, VA | 2 | 36,846 | Fidelity |
| Mainehealth ServicesPortland, ME | 2 | 36,092 | Transamerica |
| The Moses H. Cone Memorial Hospital Operating CorporationGreensboro, NC | 3 | 35,269 | Transamerica |
| Magna International of America, Inc. | 3 | 34,988 | Principal |
| Magnit Global Solutions, Inc.Folsom, CA | 2 | 33,950 | Principal |
| Methodist Hospitals of DallasDallas, TX | 2 | 32,446 | Fidelity |
| Mcdonalds Corporation and SubsidiariesChicago, IL | 1 | 32,254 | n/a |
| Midwest Operating Engineers Pension Trust FundCountryside, IL | 1 | 31,707 | Bridgeway Benefit Technologies |
| Mass. Laborers Annuity FundBurlington, MA | 1 | 31,668 | n/a |
| Mastec, IncCoral Gables, FL | 2 | 29,923 | Schwab |
| Michaels Stores, Inc.Irving, TX | 2 | 29,442 | Voya |
| Mclane Company, Inc.Temple, TX | 1 | 29,196 | Merrill |
| Michigan Laborers' Pension FundLansing, MI | 1 | 28,837 | Welfare & Pension Administration |
| Medline Industries,lpNorthfield, IL | 1 | 28,470 | Vanguard |
| Member Cooperatives of CHS IncInver Grove Heights, MN | 5 | 27,686 | Vanguard |
| Martin Marietta Materials, Inc.Raleigh, NC | 3 | 27,420 | Fidelity |
| Mondelez Global LLCChicago, IL | 7 | 26,651 | n/a |
| Montefiore Medical CenterBronx, NY | 3 | 25,467 | Fidelity |
| Molina Healthcare, Inc.Long Beach, CA | 1 | 25,311 | Fidelity |
| Medical Solutions, L.L.C.Omaha, NE | 1 | 25,091 | Fidelity |
| Marriott Vacations Worldwide Corp.Orlando, FL | 1 | 24,960 | Fidelity |
| Mclaren Health Care Corp.Grand Blanc, MI | 5 | 24,619 | Empower |
| Marshfield Clinic, Inc.Marshfield, WI | 2 | 24,037 | Fidelity |
| Manpowergroup Inc.Milwaukee, WI | 6 | 22,637 | Fidelity |
| Massachusetts Laborers' Pension FundBurlington, MA | 1 | 22,433 | n/a |
| Marmon Holdings, IncChicago, IL | 1 | 22,250 | Empower |
| Munson HealthcareTraverse City, MI | 3 | 21,801 | Transamerica |
| The Manufacturers Investment CorporationBoston, MA | 1 | 21,698 | Alight |
| Minnesota Laborers Pension FundMendota Heights, MN | 1 | 21,655 | Zenith American Solutions |
| Mohawk Carpet, LLCCalhoun, GA | 2 | 21,307 | Fidelity |
| Mercer Investments, LLCBoston, MA | 1 | 20,357 | John Hancock |
| Mason Tenders District Council Annuity FundNew York, NY | 1 | 19,994 | ADP |
| Mason Tenders District Council Pension FundNew York, NY | 1 | 19,759 | Pension Benefit Information |
| Mufg Bank, LtdNew York, NY | 4 | 19,510 | Alight |
| Molson Coors Beverage Company USA LLCMilwaukee, WI | 7 | 19,326 | Fidelity |
| Michigan Laborers' Annuity FundLansing, MI | 1 | 18,951 | Welfare & Pension Administration |
| Mi Reg Council of Carpenters Annuity FundTroy, MI | 1 | 17,503 | Morgan Stanley |
| M. Arthur Gensler JR. & Associates, Inc.San Francisco, CA | 3 | 16,921 | John Hancock |
| Midwest Operating Engineers Retirement Enhancement FundCountryside, IL | 1 | 16,681 | Fidelity |
| Murphy USA Inc.El Dorado, AR | 2 | 15,832 | Fidelity |
| Memorial Health ServicesFountain Valley, CA | 2 | 15,693 | Vanguard |
| Michigan Credit Union LeagueRoyal Oak, MI | 2 | 15,666 | TruStage (CUNA Mutual) |
| Micron Technology, Inc.Boise, ID | 1 | 15,548 | Fidelity |
| Mantech International CorporationHerndon, VA | 2 | 15,135 | Fidelity |
| Mfa Benefits LLCLakewood, NJ | 1 | 14,985 | Fidelity |
| Mastercard International IncorporatedPurchase, NY | 2 | 14,852 | Voya |
| Mercy Health CorporationRockford, IL | 6 | 14,329 | Empower |
| Midamerican Energy CompanyDes Moines, IA | 2 | 14,314 | Merrill |
| Mavis Tire Supply LLCMillwood, NY | 1 | 14,154 | ADP |
| Mainegeneral HealthWaterville, ME | 3 | 13,799 | n/a |
| Mid-Atlantic Regional Council of Carpenters' AnnuityOxon Hill, MD | 1 | 13,746 | Bridgeway Benefit Technologies |
| Maersk Agency USA, Inc.Florham Park, NJ | 5 | 13,687 | John Hancock |
| Minneapolis Retail Meat CuttersBloomington, MN | 1 | 13,679 | n/a |
| Modern HR, Inc.Burbank, CA | 1 | 13,470 | Transamerica |
| Maimonides Medical CenterBrooklyn, NY | 2 | 13,005 | TIAA |
| Mcleod HealthFlorence, SC | 3 | 13,002 | Fidelity |
| Masco CorporationLivonia, MI | 8 | 12,930 | Fidelity |
| Masterbrand, Inc.Beachwood, OH | 7 | 12,924 | Fidelity |
| Mymichigan HealthMidland, MI | 6 | 12,922 | Empower |
| Monument Health, Inc.Rapid City, SD | 2 | 12,880 | Fidelity |
| Mccormick & Company, Inc.Hunt Valley, MD | 4 | 12,853 | Principal |
| Memorial Health SystemSpringfield, IL | 3 | 12,408 | Fidelity |
| Moog, Inc.East Aurora, NY | 3 | 12,221 | Empower |
| Mission Support and Test Services LLCLas Vegas, NV | 5 | 11,731 | Fidelity |
| Merritt Hospitality LLCNorwalk, CT | 1 | 11,474 | Fidelity |
| Mcdermott InvestmentsHouston, TX | 3 | 11,392 | Fidelity |
| Multiple EmployersBaltimore, MD | 1 | 11,358 | Aon |
| - Midwest Pension PlanHillside, IL | 1 | 11,287 | Legacy Professionals LLP |
| Menasha CorporationNeenah, WI | 3 | 11,201 | Empower |
| Molex, LLCLisle, IL | 4 | 11,142 | Fidelity |
| Mattel, Inc.El Segundo, CA | 5 | 11,121 | Fidelity |
| Meritage Hospitality GroupGrand Rapids, MI | 1 | 11,055 | Principal |
| Meba Pension Trust-Defined Benefit PlanBaltimore, MD | 3 | 11,054 | Principal |
| MSG Entertainment Holdings, LLCNew York, NY | 4 | 10,820 | Fidelity |
| Medianews Group, Inc.Denver, CO | 8 | 10,671 | Pension Benefit Information |
| Mountaire CorporationLittle Rock, AR | 1 | 10,619 | Empower |
| Mcwane, Inc.Birmingham, AL | 17 | 10,572 | Fidelity |
| Morgan Lewis & Bockius LLP Lisa SolleyPhiladelphia, PA | 9 | 10,556 | Vanguard |
| Menzie'S Aviation (USA), Inc.Grapevine, TX | 1 | 10,498 | Empower |
| Metropolitan Security Services, Inc (Walden Security)Chattanooga, TN | 3 | 10,477 | Voya |
| Moodys CorporationNew York, NY | 2 | 10,407 | Fidelity |
| MB2 Dental SolutionsCarrollton, TX | 1 | 10,338 | Capital Group (American Funds) |
| Michigan Carpenters' Pension FundLansing, MI | 1 | 10,312 | Tic Midwest |
| Marvin Lumber and Cedar CompanyWarroad, MN | 2 | 10,254 | Empower |
| MHM Services, Inc.Vienna, VA | 1 | 10,199 | Transamerica |
| Millerknoll, Inc.Zeeland, MI | 2 | 10,150 | Vanguard |
| M. a. Mortenson CompanyMinneapolis, MN | 2 | 10,060 | Fidelity |
| The Medical College of Wisconsin, Inc.Milwaukee, WI | 2 | 9,960 | Transamerica |
| Milliken & CompanySpartanburg, SC | 3 | 9,782 | T. Rowe Price |
| - Marc Pension PlanOxon Hill, MD | 1 | 9,688 | Bridgeway Benefit Technologies |
| Modine Manufacturing CompanyRacine, MS | 4 | 9,455 | Principal |
| MVHS Inc.Utica, NY | 2 | 9,380 | Unum Life Ins. Co. of America |
| Mutual of Omaha Insurance CompanyOmaha, NE | 3 | 9,359 | Ascensus |
| Mid-Atlantic States District Council Participating Locals Annuity FundSalem, VA | 1 | 8,909 | n/a |
| The Metropolitan Museum of ArtNew York, NY | 7 | 8,855 | Fidelity |
| Midwest Physician Administrative Services, LLC (Duly Health and)Downers Grove, IL | 1 | 8,800 | Empower |
| Magellan Health, Inc.Maryland Heights, MO | 2 | 8,755 | Empower |
| MH Sub I LLCEl Segundo, CA | 1 | 8,572 | Fidelity |
| Midwest Veterinary Partners. LLCSouthfield, MI | 1 | 8,516 | Principal |
| MR. Cooper Group Inc.Coppell, TX | 1 | 8,335 | Fidelity |
| Metz Culinary Management, LLCDallas, PA | 1 | 8,274 | Fidelity |
| Microchip Technology IncorporatedChandler, AZ | 1 | 8,265 | Fidelity |
| Machinists' Money Purchase Pension FundEnglewood Cliffs, NJ | 1 | 8,246 | n/a |
| Medamerica, Inc. (Vituity)Emeryville, CA | 1 | 8,222 | Schwab |
| Munich Reinsurance America, IncPrinceton, NJ | 2 | 8,158 | Empower |
| Mueller Group, LLCAtlanta, GA | 5 | 8,148 | Fidelity |
| Marietta Memorial HospitalMarietta, OH | 4 | 8,019 | Nationwide |
| Management & Training CorporationCenterville, UT | 1 | 7,947 | Fidelity |
| Mckee Foods CorporationCollegedale, TN | 1 | 7,820 | Principal |
| Msa Worldwide, LLCCranberry Township, PA | 2 | 7,747 | Fidelity |
| The Mohegan Tribe of Indians of ConnecticutUncasville, CT | 1 | 7,703 | Schwab |
| MSC Industrial Direct Co., Inc.Melville, NY | 1 | 7,697 | T. Rowe Price |
| Medisys Health Network, Inc.Jamaica, NY | 4 | 7,694 | Newport |
| MV Transportation, Inc.Dallas, TX | 1 | 7,681 | Fidelity |
| The Middleby CorporationElgin, IL | 2 | 7,665 | Fidelity |
| Mercedes-Benz USA, LLCSandy Springs, GA | 4 | 7,639 | Voya |
| Maritime Association - I.L.A. Pension FundHouston, TX | 2 | 7,598 | Vanguard |
| M.C. Dean, Inc.Tyson, VA | 1 | 7,589 | Vanguard |
| The Mary Imogene Bassett HospitalCooperstown, NY | 2 | 7,533 | TIAA |
| Monro, Inc.Fairport, NY | 2 | 7,515 | Empower |
| Meriter Health Systems, Inc.Madison, WI | 2 | 7,273 | Fidelity |
| Marsden Services, L.L.C.ST. Paul, MN | 1 | 7,264 | Principal |
| Mayco International LLCSterling Heights, MI | 2 | 7,237 | Fidelity |
| Mahle Industries, IncorporatedFarmington Hills, MI | 11 | 7,152 | Fidelity |
| MMR Group, Inc.Baton Rouge, LA | 1 | 7,130 | Principal |
| Mount Sinai Medical Center of Florida, Inc.Miami, FL | 1 | 7,124 | Valic Retirement Services |
| Mercedes-Benz U.S. International, Inc.Vance, AL | 1 | 7,116 | Voya |
| Manna Development Group, LLCEncinitas, CA | 1 | 7,057 | Fidelity |
| Muviq USA, LLCRoseville, MI | 1 | 6,947 | n/a |
| Mccain Foods USA, Inc.Oakbrook Terrace, IL | 2 | 6,871 | Vanguard |
| Medical Information Technology, Inc.Canton, MA | 4 | 6,868 | Empower |
| Mack Trucks, Inc.Greensboro, NC | 3 | 6,824 | Transamerica |
| Merakey USALafayette Hill, PA | 3 | 6,811 | Empower |
| Mitchell International IncSan Diego, CA | 1 | 6,779 | Empower |
| Middlesex HealthMiddletown, CT | 3 | 6,777 | n/a |
| Masonite CorporationTampa, FL | 3 | 6,744 | Schwab |
| Mettler-Toledo, LLCColumbus, OH | 3 | 6,714 | Vanguard |
| Metropolitan Jewish Health System, Inc.New York, NY | 2 | 6,575 | Lincoln Financial |
| Medical Faculty Associates, Inc.Washington, DC | 2 | 6,572 | Fidelity |
| Mativ Holdings, Inc.Alpharetta, GA | 3 | 6,505 | Vanguard |
| Multi-Color CorporationBatavia, OH | 2 | 6,501 | Fidelity |
| Motiva Enterprises, LLCHouston, TX | 4 | 6,481 | Fidelity |
| M1 Support Services, L.P.Westlake, TX | 1 | 6,457 | Fidelity |
| Marmon Engineered Components CompanyChicago, IL | 2 | 6,333 | Empower |
| Mi Windows and Doors, LLCHarrisburg, PA | 1 | 6,312 | Empower |
| Mosaic Health SystemST. Joseph, MO | 3 | 6,281 | Empower |
| Maxar Technologies Inc.Westminster, CO | 1 | 6,272 | Fidelity |
| Metal Trades Branch Local 638 Pension FundLong Island City, NY | 1 | 6,271 | Vitech Systems Group |
| Mann+hummel Filtration Technology US LLCGastonia, NC | 1 | 6,196 | Empower |
| The Minor League Baseball Players 401(K) Plan CommitteePittsburgh, PA | 1 | 6,190 | Vanguard |
| Murphy-Hoffman CompanyLeawood, KS | 1 | 6,163 | Fidelity |
| Matheson Tri-Gas, Inc.Warren, NJ | 4 | 6,147 | Merrill |
| Mariner Health CareAtlanta, GA | 1 | 6,063 | Fidelity |
| Mary Washington HealthcareFredericksburg, VA | 3 | 6,011 | Fidelity |
| Medtronic Puerto Rico Operations CompanyMinneapolis, MN | 1 | 6,007 | Fidelity |
| MainehealthPortland, ME | 3 | 5,996 | n/a |
| Mashantucket Pequot TribeMashantucket, CT | 1 | 5,840 | Merrill |
| Modern Technology Solutions IncAlexandria, VA | 2 | 5,801 | Principal |
| Mid-Atlantic Permanente Medical GroupOakland, CA | 2 | 5,778 | Fidelity |
| Metropolitan Hospital D.B.A University of Michigan Health WestWyoming, MI | 3 | 5,727 | Principal |
| Monarch Healthcare Management, LLCMankato, MN | 1 | 5,703 | Principal |
| Michael Baker International Holdco CorporationPittsburgh, PA | 1 | 5,699 | Standard (StanCorp) |
| Mission BBQ Management, LLCGlen Burnie, MD | 1 | 5,690 | Vanguard |
| MSD International GMBH (Puerto Rico Branch), LLCLas Piedras, PR | 4 | 5,673 | Fidelity |
| Morganite Industries Inc.Raleigh, NC | 2 | 5,636 | John Hancock |
| Moravia Health Network LLCPhiladelphia, PA | 1 | 5,629 | Paychex |
| Massachusetts Financial Services CompanyBoston, MA | 3 | 5,627 | Merrill |
| Mitsubishi Chemical America, IncCharlotte, NC | 3 | 5,612 | Empower |
| Mercury General CorporationLos Angeles, CA | 1 | 5,552 | Fidelity |
| The Marcus CorporationMilwaukee, WI | 1 | 5,533 | Principal |
| My HR ProsVan Buren, AR | 1 | 5,485 | Transamerica |
| Mcmaster-Carr Supply CompanyElmhurst, IL | 1 | 5,485 | n/a |
| Morgan & Morgan P aOrlando, FL | 1 | 5,470 | Empower |
| Mfa IncorporatedColumbia, MO | 2 | 5,469 | John Hancock |
| Modernatx, Inc.Cambridge, MA | 1 | 5,468 | Fidelity |
| Marvell Semiconductor, Inc.Santa Clara, CA | 1 | 5,466 | Schwab |
| Matthews International CorporationPittsburgh, PA | 4 | 5,418 | Empower |
| Minuteclinic, LLCWoonsocket, RI | 1 | 5,390 | Vanguard |
| Marcum LLPMelville, NY | 1 | 5,389 | Vanguard |
| Michigan Electrical Employees' Pension FundMadison Heights, MI | 1 | 5,375 | Wilson Mcshane |
| Mortgage Research Center LLCColumbia, MO | 1 | 5,368 | Milliman |
| Meruelo Group LLCDowney, CA | 1 | 5,365 | Empower |
| MillimanSeattle, WA | 1 | 5,360 | n/a |
| Montage Hotels and Resorts, LLCIrvine, CA | 1 | 5,334 | Fidelity |
| Marquette UniversityMilwaukee, WI | 2 | 5,316 | n/a |
| Morningstar, Inc.Chicago, IL | 1 | 5,250 | Schwab |
| Mazda Toyota Manufacturing, U.S.A. Inc.Madison, AL | 1 | 5,246 | Standard (StanCorp) |
| Milwaukee Drivers Pension FundMilwaukee, WI | 1 | 5,239 | n/a |
| Maritz Holdings Inc.Fenton, MO | 2 | 5,224 | T. Rowe Price |
| Meadville Medical CenterMeadville, PA | 3 | 5,204 | Valic Retirement Servies |
| Mid-South Independent School Business Officers, Inc.Marietta, GA | 1 | 5,204 | Transamerica |
| The Mosaic CompanyTampa, FL | 4 | 5,186 | Fidelity |
| Mitsubishi Electric US, Inc.Cypress, CA | 1 | 5,169 | Fidelity |
| Marinhealth Medical CenterSan Rafael, CA | 3 | 5,145 | Fidelity |
| Mo-Kan Iron Workers Annuity PlanKansas City, MO | 2 | 5,136 | n/a |
| The Mathworks, Inc.Natick, MA | 1 | 5,122 | Schwab |
| Markel Group Inc.Glen Allen, VA | 1 | 5,102 | Fidelity |
| Miller'S Health Systems, Inc.Warsaw, IN | 2 | 5,090 | n/a |
| The Methodist Hospitals, Inc.Gary, IN | 2 | 5,070 | Voya |
| Mount Nittany Medical CenterState College, PA | 2 | 5,030 | Transamerica |
| Madison Iaq LLCChicago, IL | 1 | 5,014 | Schwab |
| Mayo Holding CompanyRochester, MN | 1 | 5,010 | Fidelity |
| Marten Transport, Ltd.Mondovi, WI | 1 | 5,000 | Transamerica |
| Mitsubishi Motors North America, Inc.Franklin, TN | 6 | 4,973 | Empower |
| Mayville Engineering Company, IncMilwaukee, WI | 4 | 4,947 | Principal |
| Mcgraw-Hill Education Holdings, LLCNew York, NY | 1 | 4,935 | Fidelity |
| Marelli North America, Inc.Shelbyville, TN | 4 | 4,894 | Fidelity |
| Mylan Inc.Canonsburg, PA | 1 | 4,830 | Merrill |
| Meritus Medical Center, Inc.Hagerstown, MD | 3 | 4,805 | Empower |
| Modivcare Solutions, LLCDenver, CO | 1 | 4,751 | ADP |
| Movement Mortgage, LLCIndian Land, SC | 1 | 4,719 | Principal |
| Metallus Inc.Canton, OH | 6 | 4,584 | Merrill |
| Medical Mutual of OhioCleveland, OH | 4 | 4,491 | Fidelity |
| Martin Resource Management CorporationKilgore, TX | 3 | 4,443 | Fidelity |
| Materion CorporationMayfield Heights, OH | 2 | 4,360 | Fidelity |
| Motion Recruitment Partners, LLCBoston, MA | 1 | 4,351 | Standard (StanCorp) |
| Merlin Entertainments Group US, LLCOrlando, FL | 1 | 4,345 | Transamerica |
| Matheson Trucking, Inc.Sacramento, CA | 1 | 4,335 | Fidelity |
| Matson, Inc.Walnut Creek, CA | 13 | 4,223 | Fidelity |
| Mphasis CorporationMaitland, FL | 1 | 4,140 | Principal |
| Mbo Professional Services Inc.Ashburn, VA | 1 | 4,109 | Fidelity |
| Medicalodges, Inc.Coffeyville, KS | 2 | 4,095 | Newport |
| Momentive Performance Materials Inc.Niskayuna, NY | 2 | 4,054 | Fidelity |
| Mediacom LLCMediacom Park, NY | 1 | 3,979 | Principal |
| Mannington Mills, Inc.Salem, NJ | 6 | 3,978 | Empower |
| Maplebear Inc. (Instacart)San Francisco, CA | 1 | 3,973 | Fidelity |
| Meh, Inc.Hazelwood, MO | 1 | 3,969 | Fidelity |
| Murphy Oil CorporationHouston, TX | 4 | 3,968 | Fidelity |
| Magnetek, Inc.Getzville, NY | 2 | 3,951 | Sei Investments |
| The Manitowoc Company, Inc.Milwaukee, WI | 5 | 3,880 | Fidelity |
| Mary Hitchcock Memorial HospitalLebanon, NH | 1 | 3,857 | n/a |
| Mastercorp, Inc.Orlando, FL | 1 | 3,857 | T. Rowe Price |
| Morrison & Foerster LLPSan Francisco, CA | 5 | 3,855 | Schwab |
| MMM Holdings LLCSan Juan, PR | 1 | 3,851 | Empower |
| Mdu Resources Group, Inc.Bismarck, ND | 3 | 3,723 | Principal |
| Mayo Clinic Health System - MankatoMankato, MN | 2 | 3,507 | Fidelity |
| Mers/Missouri Goodwill IndustriesST Louis, MO | 2 | 3,455 | OneAmerica |
| Medical and Financial Management, Inc.Stuart, FL | 1 | 3,405 | n/a |
| Management Analysis & Utilization, Inc.Augusta, GA | 2 | 3,380 | n/a |
| The Mcclatchy Company, LLCSacramento, CA | 3 | 3,323 | Vanguard |
| Motrex LLCAlpharetta, GA | 3 | 3,307 | Fidelity |
| Moody Bible Institute of ChicagoChicago, IL | 4 | 3,223 | Valic Retirement Services |
| Methodist Health Services CorporationPeoria, IL | 4 | 2,951 | n/a |
| Management Registry, IncLouisville, KY | 1 | 2,884 | Principal |
| MRC Global (US) Inc.Greenwood Village, CO | 1 | 2,844 | Empower |
| Moran Foods, LLCST. Ann, MO | 1 | 2,710 | Voya |
| March of Dimes Inc.Arlington, VA | 4 | 2,293 | Fidelity |
| Match Group, Inc.Dallas, TX | 1 | 2,244 | Schwab |
| Marble,tile and Terrazzo WorkersLaurel, MD | 1 | 2,228 | n/a |
| Mundy Service CorporationHouston, TX | 1 | 2,067 | Merrill |
| Motorists Mutual Insurance CompanyColumbus, OH | 3 | 2,010 | Empower |
| MTD Products IncCleveland, OH | 9 | 1,632 | n/a |
| Monster Worldwide, LLC.Weston, MA | 1 | 1,517 | Schwab |
| Moneygram International, Inc.Dallas, TX | 2 | 1,490 | Principal |
| Medcentral Health SystemMansfield, OH | 3 | 1,486 | Fidelity |
| Miller & Long Co., Inc.Bethesda, MD | 3 | 1,322 | Principal |
| Monongalia Health System, Inc.Morgantown, WV | 3 | 1,288 | n/a |
| Magnera CorporationCharlotte, NC | 4 | 1,175 | Fidelity |
| Milestone Retirement CommunitiesVancouver, WA | 1 | 865 | PCS Retirement |
| Maxion Wheels U.S.A. LLCNovi, MI | 2 | 514 | T. Rowe Price |
| Muller ManagementCumming, GA | 1 | 482 | n/a |
| Merrill Lynch & Co., Inc.Charlotte, NC. No active plan; last report 2012 | 4 | 111,017 | n/a |
| Merck Sharp & Dohme Corp.Kenilworth, NJ. No active plan; last report 2014 | 2 | 47,293 | n/a |
| Medco Health Solutions, Inc.ST. Louis, MO. No active plan; last report 2023 | 2 | 42,238 | n/a |
| Movie Gallery US, LLCDothan, AL. No active plan; last report 2010 | 1 | 33,499 | n/a |
| Meritor, Inc.Columbus, IN. No active plan; last report 2024 | 3 | 30,089 | n/a |
| Medical Management International, Inc.Vancouver, WA. No active plan; last report 2023 | 1 | 26,723 | n/a |
| Moore Wallace North America, Inc.Chicago, IL. No active plan; last report 2012 | 2 | 23,304 | n/a |
| Memorial Hermann Healthcare SystemHouston, TX. No active plan; last report 2011 | 2 | 22,615 | n/a |
| Mid Atlantic Ufcw and Participating Employers PensiSparks, MD. No active plan; last report 2020 | 1 | 22,521 | n/a |
| Monsanto CompanyST. Louis, MO. No active plan; last report 2019 | 1 | 22,140 | n/a |
| Massachusetts Service Employees' Pension FundBoston, MA. No active plan; last report 2025 | 1 | 22,061 | n/a |
| Mosaic Sales Solutions US OperIrving, TX. No active plan; last report 2014 | 1 | 18,528 | n/a |
| Marathon Oil Company LLCHouston, TX. No active plan; last report 2025 | 2 | 17,468 | n/a |
| Mission Health System, Inc.Asheville, NC. No active plan; last report 2019 | 1 | 15,104 | n/a |
| Medical Staffing Network Healthcare LLCBoston, MA. No active plan; last report 2015 | 1 | 14,861 | n/a |
| MH Hospital Manager, LLCNashville, TN. No active plan; last report 2022 | 1 | 13,757 | n/a |
| MPS Group, Inc.Melville, NY. No active plan; last report 2011 | 2 | 13,376 | n/a |
| Mattress Firm, Inc.Houston, TX. No active plan; last report 2025 | 3 | 12,300 | n/a |
| Meredith Operations CorporationDes Moines, IA. No active plan; last report 2024 | 2 | 11,952 | n/a |
| The Mens Wearhouse, Inc.Houston, TX. No active plan; last report 2011 | 1 | 11,860 | n/a |
| Mother Frances HospitalTyler, TX. No active plan; last report 2013 | 2 | 10,943 | n/a |
| Macparent, LLC.Denver, CO. No active plan; last report 2022 | 2 | 10,866 | n/a |
| Mckesson Technologies Inc.Nashville, TN. No active plan; last report 2018 | 1 | 10,192 | n/a |
| Marsh Supermarkets, IncWest Berlin, NJ. No active plan; last report 2017 | 2 | 9,943 | n/a |
| Mountain States Health Alliance, Inc.Johnson City, TN. No active plan; last report 2010 | 2 | 9,458 | n/a |
| Memorial Health University Medical Center, Inc.Savannah, GA. No active plan; last report 2019 | 1 | 9,409 | n/a |
| Mercy Health Partners, Inc.Cincinatti, OH. No active plan; last report 2014 | 3 | 8,832 | n/a |
| Motorola Mobility LLCChicago, IL. No active plan; last report 2015 | 1 | 8,403 | n/a |
| Meggitt-Usa, Inc.Cleveland, OH. No active plan; last report 2023 | 1 | 8,334 | n/a |
| Mallinckrodt Enterprises LLCHazelwood, MO. No active plan; last report 2019 | 7 | 8,236 | n/a |
| Metaldyne CorporationPhiladelphia, PA. No active plan; last report 2009 | 3 | 8,038 | n/a |
| Muy Consulting CorporationSan Antonio, TX. No active plan; last report 2021 | 1 | 8,023 | n/a |
| Metaldyne Performance Group, Inc.Detroit, MI. No active plan; last report 2018 | 1 | 8,020 | n/a |
| Masssachusetts General HospitalBoston, MA. No active plan; last report 2013 | 1 | 7,939 | n/a |
| Milacron Inc.Batavia, OH. Pension taken over by the PBGC | 1 | 7,777 | n/a |
| Meredith CorporationDes Moines, IA. No active plan; last report 2020 | 2 | 6,915 | n/a |
| Metlife Bank, National AssociationBridgewater, NJ. No active plan; last report 2013 | 1 | 6,873 | n/a |
| MWH Americas, Inc.Broomfield, CO. No active plan; last report 2017 | 2 | 6,391 | n/a |
| Micro Focus US Inc.Santa Clara, CA. No active plan; last report 2024 | 2 | 6,380 | n/a |
| Mindtree Ltd.Warren, NJ. No active plan; last report 2024 | 2 | 6,254 | n/a |
| Munroe Regional Health System, Inc.Ocala, FL. No active plan; last report 2024 | 2 | 6,252 | n/a |
| MGH Wind Down Inc.Marquette, MI. No active plan; last report 2018 | 2 | 6,239 | n/a |
| Measurement SolutionsClayton, MO. No active plan; last report 2024 | 2 | 6,182 | n/a |
| Mayo Clinic Health System - AustinAustin, MN. No active plan; last report 2023 | 4 | 6,156 | n/a |
| Multiband CorporationMinnetonka, MN. No active plan; last report 2014 | 1 | 6,058 | n/a |
| MBM CorporationRocky Mount, NC. No active plan; last report 2015 | 1 | 5,902 | n/a |
| Martin Memorial Health Systems, Inc.Stuart, FL. No active plan; last report 2023 | 2 | 5,897 | n/a |
| Massachusetts Eye and Ear InfirmarySomerville, MA. No active plan; last report 2018 | 2 | 5,830 | n/a |
| M-I L.L.C.Houston, TX. No active plan; last report 2016 | 3 | 5,811 | n/a |
| Maxim Integrated Products, Inc.San Jose, CA. No active plan; last report 2021 | 1 | 5,783 | n/a |
| Martha Jefferson HospitalNorfolk, VA. No active plan; last report 2016 | 3 | 5,376 | n/a |
| Mclouth Steel CorpDetroit, MI. Pension taken over by the PBGC | 2 | 5,254 | n/a |