35,042 retirement and health plans are sponsored by employers based in Massachusetts, holding $478.9B in assets across 6,624,167 active participants.
| Sponsor / Plan | City | Participants | Assets |
|---|---|---|---|
| FMR LLC Fidelity Retirement Savings Plan | Boston | 68,838 | $34.2B |
| MASS General Brigham Incorporated Consolidated 403(b) Program of MASS General Brigham and Member Organizations | Somerville | 76,559 | $14.9B |
| Liberty Mutual Group Inc. Liberty Mutual 401(k) Plan | Boston | 31,562 | $11.4B |
| MASS General Brigham Incorporated Consolidated Cash Balance Program of MASS General Brigham and Member Organizations |
| Somerville |
| 60,621 |
| $10.3B |
| New England Teamsters Pension Fund New England Teamsters Pension Fund | Burlington | 21,577 | $9.1B |
| Massachusetts Institute of Technology Massachusetts Institute of Technology Supplemental 401(k) Plan | Cambridge | 15,125 | $7.7B |
| Boston Scientific Corporation Boston Scientific Corporation 401(k) Retirement Savings Plan | Marlborough | 21,923 | $6.8B |
| State Street Corporation State Street Salary Savings Program | Boston | 11,992 | $6.5B |
| Philips North America LLC Philips North America 401(k) Plan | Cambridge | 17,066 | $6.4B |
| Liberty Mutual Group Inc. Liberty Mutual Retirement Benefit Plan | Boston | 31,788 | $6.3B |
| Takeda Pharmaceutical U.S.A., Inc. Takeda Pharmaceutical U.S.A., Inc. Savings and Retirement Plan | Cambridge | 23,331 | $6.2B |
| Massachusetts Institute of Technology Massachusetts Institute of Technology Basic Retirement Plan | Cambridge | 13,100 | $5.9B |
| BOT of the North Atlantic States Carpenters Pension Fund N. Atlantic States CARP. Pension Fund | Wilmington | 16,341 | $5.1B |
| National Medical Care, Inc. Fresenius Medical Care North America 401(k) Savings Plan | Waltham | 61,883 | $4.4B |
| Analog Devices, Inc. Analog Devices, Inc. the Investment Partnership Plan | Wilmington | 6,764 | $4.3B |
| Massachusetts Mutual Life Insurance Company Massmutual Thrift Plan | Springfield | 13,678 | $4.3B |
| President & Fellows of Harvard College Harvard Human Resources, Benefi Harvard University Tax Deferred Annuity Plan | Cambridge | 22,562 | $4.3B |
| BOT of the North Atlantic States Carpenters Guaranteed Annuity Fund N. Atlantic States CARP. Guaranteed Annuity Fund | Wilmington | 10,412 | $3.8B |
| The TJX Companies, Inc. The TJX Companies, Inc. 401(k) Savings Plan | Framingham | 294,348 | $3.7B |
| BETH Israel Lahey Health BETH Israel Lahey 403(b) Retirement Savings Plan | Boston | 39,601 | $3.5B |
| Wellington Management Company LLP Wellington Retirement and Pension Plan | Boston | 2,072 | $3.2B |
| Trustees of Boston University Boston University Retirement Plan | Boston | 8,863 | $3.0B |
| The Boston Consulting Group, Inc. The Boston Consulting Group, Inc. Employees' Savings Plan and Profit Sharing Retirement Fund | Boston | 9,676 | $2.9B |
| Northeastern University Northeastern University Retirement Plan | Boston | 9,197 | $2.6B |
| Board of Trustees of Massachusetts Laborers' Pension Fund Massachusetts Laborers' Pension Fund | Burlington | 10,031 | $2.5B |
| Massachusetts Mutual Life Insurance Company Massmutual Pension Plan | Springfield | 10,957 | $2.5B |
| BAIN and Company, Inc. BAIN and Company, Inc. 401(k) Savings Plan | Boston | 6,046 | $2.4B |
| John Hancock Life Insurance Company U.S.a The Investment-Incentive Plan for John Hancock Employees | Boston | 4,860 | $2.4B |
| President & Fellows of Harvard College Harvard Human Resources, Benefi Retirement Income Plan for Teaching Faculty of Harvard University | Cambridge | 2,737 | $2.4B |
| BD. of Trustees of MASS. Laborers Annuity Fund Massachusetts Laborers' Annuity Fund | Burlington | 13,601 | $2.3B |
| Biogen Inc. Biogen 401(k) Savings Plan | Cambridge | 4,289 | $2.2B |
| Dassault Systemes Americas Corp. Dassault Systemes Employee Savings Plan Plus | Waltham | 6,193 | $2.1B |
| President & Fellows of Harvard College Harvard Human Resources, Benefi Harvard University Defined Contribution Retirement Plan | Cambridge | 15,031 | $2.0B |
| The Manufacturers Investment Corporation John Hancock Pension Plan | Boston | 4,993 | $1.9B |
| Joint Board of Trustees Electrical Workers Local 103 IBEW Electrical Workers Pension Plan Local 103 I.B.E.W. | Boston | 6,140 | $1.9B |
| The Mathworks, Inc. The Mathworks 401(k) Retirement Plan | Natick | 3,799 | $1.8B |
| Sun Life Financial U.S. Services Company, Inc. Sun Advantage Savings and Investment Plan | Wellesley Hills | 5,991 | $1.8B |
| Trustees of Boston University Boston University Supplemental Retirement and Savings Plan | Boston | 13,557 | $1.7B |
| Builders Firstsource, Inc. Builders Firstsource 401(k) Savings Plan | Andover | 31,456 | $1.7B |
| Boston Medical Center Boston Medical Center 403(b) Retirement Plan | Boston | 16,171 | $1.7B |
| Cushman & Wakefield Cushman & Wakefield 401(k) Plan | Needham | 23,448 | $1.7B |
| The TJX Companies, Inc. The TJX Companies, Inc. Retirement Plan | Framingham | 8,660 | $1.6B |
| Joint Board of Trustees, Electrical Electrical Workers Deferred Income Plan Local 103, I.B.E.W. | Boston | 8,421 | $1.6B |
| The Children's Hospital Corporation The Children's Hospital Corporation Tax-Deferred Annuity Plan | Boston | 16,343 | $1.6B |
| BETH Israel Lahey Health BETH Israel Lahey Health 401(k) Retirement Savings Plan | Boston | 15,698 | $1.6B |
| President & Fellows of Harvard College Harvard Human Resources, Benefi Harvard University Retirement Plan | Cambridge | 2,666 | $1.6B |
| Staples, Inc. Staples, Inc. Employees' 401(k) Savings Plan | Framingham | 11,200 | $1.5B |
| CDM Smith Inc. CDM Smith Inc. Capital Accumulation Plan | Boston | 4,119 | $1.5B |
| Akamai Technologies, Inc. Akamai Technologies, Inc. 401(k) Plan | Cambridge | 3,799 | $1.4B |
| Umass Memorial Health Care, Inc. Umass Memorial Health Care 401(k) Plan | Worcester | 14,248 | $1.4B |
| Baystate Health, Inc. Baystate Health, Inc. Retirement Plan | Springfield | 13,905 | $1.4B |
| Ropes & Gray LLP Ropes & Gray LLP Retirement Savings Plan | Boston | 2,706 | $1.4B |
| Point32health Point32health 401(k) Plan | Watertown | 4,237 | $1.3B |
| Harvard Med. Faculty Physicians at BETH Israel Deaconess Med. CTR. Inc. Harvard Medical Faculty Physicians at BETH Israel Deaconess Medical Center, Inc. Retirement Plan | Boston | 2,182 | $1.3B |
| Board of Trustees I.U.O.E. Local 4 Pension Fund International Union of Operating Engineers Local 4 Pension Fund | Medway | 3,513 | $1.3B |
| Vertex Pharmaceuticals Incorporated Vertex Pharmaceuticals Incorporated 401(k) Plan | Boston | 5,091 | $1.3B |
| The Charles Stark Draper Laboratory, Inc. Retirement Plan for Draper Employees | Cambridge | 2,451 | $1.3B |
| The Hanover Insurance Company The Hanover Insurance Group Retirement Savings Plan | Worcester | 4,930 | $1.3B |
| Waters Technologies Corporation The Waters Employee Investment Plan | Milford | 2,894 | $1.2B |
| Clean Harbors Enviromental Services, Inc. Clean Harbors Savings and Retirement Plan | Norwell | 18,877 | $1.2B |
| Umass Memorial Health Care, Inc. Umass Memorial Health Care Pension Plan | Worcester | 9,418 | $1.2B |
| Wilmer Cutler Pickering HALE and DORR LLP Wilmer Cutler Pickering HALE and DORR LLP Savings and Retirement Plan | Boston | 1,763 | $1.2B |
| Blue Cross Blue Shield of Massachusetts, Inc. Blue Cross and Blue Shield of Massachusetts, Inc. Employee Savings Plan | Boston | 4,420 | $1.2B |
| Hologic, Inc. Hologic, Inc. Savings and Investment Plan | Marlborough | 4,179 | $1.2B |
| Veralto Corporation Veralto Corporation & Subsidiaries Savings Plan | Waltham | 5,508 | $1.2B |
| Massachusetts Institute of Technology Massachusetts Institute of Technology Retiree Welfare Benefit Plan | Cambridge | — | $1.2B |
| Teradyne, Inc. & Subsidiaries Teradyne, Inc. Savings Plan | North Reading | 2,241 | $1.2B |
| Southcoast Hospitals Group, Inc. Southcoast Health System Partnership Plan | New Bedford | 8,109 | $1.1B |
| Demoulas Super Markets, Inc. Demoulas (Restated) Profit Sharing Plan & Trust | Tewksbury | 14,883 | $1.1B |
| Charles River Laboratories, Inc. Charles River Laboratories, Inc. Savings/Plus Plan | Wilmington | 9,584 | $1.1B |
| Veolia North America, LLC Veolia North America 401(k) Savings Plan | Boston | 7,090 | $1.0B |
| Trustees of Tufts College Tufts University Basic Retirement Plan | Medford | 5,544 | $1.0B |
| The Children's Hospital Corporation Children's Hospital Corporation Pension Plan | Boston | 10,962 | $1.0B |
| Trustees of Tufts College Tufts University Voluntary Retirement Plan | Medford | 5,787 | $996.1M |
| Tufts Medicine, Inc. Tufts Medicine, Inc. 403(b) Retirement Plan | Burlington | 11,129 | $991.9M |
| Goodwin Procter LLP Goodwin Procter LLP Partnership Profit Sharing Savings Plan | Boston | 1,958 | $985.5M |
| Pipe & Refrigeration Fitters Local 537 Pipefitters Union Local No. 537 Pension Fund | Dorchester | 2,372 | $962.4M |
| FMR LLC Fidelity Retiree Health Reimbursement Plan | Boston | 69,196 | $953.6M |
| BOT North Atlantic States Carpenters Health Benefits Fund N. Atlantic States CARP. Health Benefits Fund | Wilmington | 18,857 | $939.0M |
| Massachusetts Financial Services Company Massachusetts Financial Services Company Defined Contribution Plan | Boston | 1,717 | $935.6M |
| The STOP & Shop Supermarket Company LLC STOP & Shop Supermarket Company 401(k) Plan | Quincy | 3,695 | $931.9M |
| Dana-Farber Cancer Institute, Inc. Dana-Farber Cancer Institute Retirement Plan | Boston | 6,039 | $930.2M |
| Cape COD Healthcare, Inc. Cape COD Healthcare 403(b) Partnership Plan | Hyannis | 4,934 | $929.2M |
| Ahold USA, Inc. Ahold USA, Inc. 401(k) Savings Plan for Union Associates | Quincy | 76,517 | $910.2M |
| Parexel International Corporation Parexel International Corporation 401(k) Retirement Savings Plan | Newton | 5,084 | $899.9M |
| Entegris, Inc. Entegris, Inc. 401(k) Retirement Savings Plan | Billerica | 4,490 | $880.8M |
| Cabot Corporation Cabot 401(k) Plan | Billerica | 1,054 | $875.6M |
| Dana-Farber Cancer Institute, Inc. Dana-Farber Cancer Institute Tax Deferred Annuity Plan | Boston | 8,349 | $869.5M |
| Blue Cross Blue Shield of Massachusetts, Inc. Blue Cross and Blue Shield of Massachusetts, Inc. Retirement Income Trust | Boston | 2,586 | $867.5M |
| BOSE Corporation Employees' Retirement Plan of BOSE Corporation | Framingham | 1,232 | $866.3M |
| State Street Corporation State Street Retirement Plan | Boston | 2,824 | $866.1M |
| PTC Inc. PTC 401(k) Savings Plan | Boston | 2,450 | $856.0M |
| Brandeis University Brandeis University Defined Contribution Plan for Faculty, Professional, and Administrative Employees | Waltham | 1,994 | $855.0M |
| Skyworks Solutions, Inc. Skyworks Solutions Savings and Retirement 401(k) Plan | Woburn | 2,480 | $852.5M |
| Harvard Med. Faculty Physicians at BETH Israel Deaconess Med. CTR. Inc. Harvard Medical Faculty Physicians at BETH Israel Deaconess Medical Center, Inc. 401(k) Savings and Investment Plan | Boston | 2,311 | $848.4M |
| MKS Instruments, Inc. MKS Instruments, Inc. Profit Sharing & 401(k) Plan | Andover | 2,905 | $839.6M |
| Athenahealth, Inc. Athenahealth, Inc. 401(k) Plan | Boston | 4,628 | $826.6M |
| Cooperative Banks Employees Retirement Association Cbera Plan a | Norwood | 2,856 | $813.5M |
| Wellesley College Wellesley College 403(b) Retirement Plan | Wellesley | 1,326 | $787.3M |
| Wayfair LLC Wayfair LLC 401(k) Plan & Trust | Boston | 11,897 | $786.1M |
