401(k) plans in Massachusetts: match, fees and largest employers
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Median maximum match
Not enough reviewed formulas yet (0)
0.19%
Median admin expenses ÷ assets
1,803 defined-contribution plans
$2,264
Median employer contribution per participant
Schedule H / I, plan year 2024
$84,668
Median average balance
Assets ÷ participants with balances
Match rankings in Massachusetts appear once at least 5 employers have a match formula reviewed by a person. Until then, each employer page quotes what its filing says about matching contributions.
Largest employers in Massachusetts
| Employer | Industry | Participants | Plan assets |
|---|---|---|---|
| Liberty Mutual Group | Finance and Insurance | 120,746 | $17B |
| Fidelity Investments | Finance and Insurance | 107,962 | $34.4B |
| TJX Companies | Retail Trade | 335,098 | $5.1B |
| Boston Consulting Group | Professional, Scientific, and Technical Services | 24,731 | $4.1B |
| Mass General Brigham | Health Care and Social Assistance | 242,569 | $29B |
| Wayfair | Professional, Scientific, and Technical Services | 17,988 | $786M |
| Bain | Professional, Scientific, and Technical Services | 10,497 | $2.4B |
| MassMutual | Finance and Insurance | 45,681 | $6.9B |
| National Medical Care | Health Care and Social Assistance | 85,042 | $4.7B |
| Ahold USA | Retail Trade | 83,190 | $1.5B |
| Beth Israel Lahey Health | Health Care and Social Assistance | 68,071 | $5.1B |
| Massachusetts Institute of Technology | Educational Services | 57,668 | $13.5B |
| Bot of the North Atlantic States Carpenters Pension Fund | Construction | 45,727 | $4.9B |
| Children's Hospital | Health Care and Social Assistance | 45,101 | $2.9B |
| Takeda Pharmaceutical U.S.A. | Manufacturing | 40,610 | $6.6B |
| Trustees of Boston University | Educational Services | 39,781 | $4.7B |
| Umass Memorial Health Care | Health Care and Social Assistance | 38,859 | $3.4B |
| Builders Firstsource | Wholesale Trade | 37,618 | $1.7B |
| BJ's Wholesale Club | Retail Trade | 37,391 | $661M |
| Boston Scientific | Manufacturing | 31,957 | $6.8B |
| Philips North America | Manufacturing | 30,794 | $6.8B |
| State Street | Management of Companies and Enterprises | 30,667 | $7.4B |
| Cushman & Wakefield | Administrative and Support and Waste Management | 28,987 | $1.7B |
| Dana-Farber Cancer Institute | Health Care and Social Assistance | 24,073 | $1.8B |
| Bot of the North Atlantic States Carpenters Guaranteed Annuity Fund | Construction | 23,724 | $3.7B |
| Clean Harbors Enviromental Services | Utilities | 23,611 | $1.2B |
| Pyramid Advisors Limited Partnership | Accommodation and Food Services | 23,382 | $247M |
| Boston Medical Center | Health Care and Social Assistance | 22,301 | $1.9B |
| Bright Horizons Children's Centers | Health Care and Social Assistance | 21,525 | $466M |
| Eg Retail (America) | Retail Trade | 20,327 | $338M |
| Demoulas Super Markets | Retail Trade | 19,337 | $1.1B |
| Trustees of Tufts College | Educational Services | 19,203 | $2B |
| Staples | Retail Trade | 18,045 | $1.5B |
| Tufts Medicine | Health Care and Social Assistance | 17,772 | $1.2B |
| Baystate Health | Health Care and Social Assistance | 17,769 | $1.4B |
| Erin Rojas | Professional, Scientific, and Technical Services | 16,476 | $286M |
| Northeastern University | Educational Services | 14,053 | $2.6B |
| Hanover Insurance | Finance and Insurance | 13,843 | $1.6B |
| Unifirst | Other Services (except Public Administration) | 13,688 | $557M |
| Charles River Laboratories | Professional, Scientific, and Technical Services | 13,643 | $1.1B |
| Intelycare | Administrative and Support and Waste Management | 13,315 | $12.4M |
| Usr Parent | Retail Trade | 12,880 | $405M |
| Big Y Foods | Retail Trade | 12,052 | $574M |
| Mercer Investments | Finance and Insurance | 12,035 | $320M |
| House Works | Health Care and Social Assistance | 11,951 | $7.2M |
| Analog Devices | Manufacturing | 11,411 | $4.3B |
| South Shore Hospital | Health Care and Social Assistance | 10,875 | $727M |
| Blue Cross Blue Shield of Massachusetts | Finance and Insurance | 10,833 | $2.1B |
| Alerislife | Health Care and Social Assistance | 10,711 | $128M |
| Sun Life Financial U.S. Services | Finance and Insurance | 10,190 | $2B |
| Southcoast Hospitals Group | Health Care and Social Assistance | 10,174 | $1.1B |
| Board of Trustees Iron Workers | Construction | 9,989 | $614M |
| Veolia North America | Utilities | 9,828 | $1.1B |
| Bose | Manufacturing | 9,232 | $1.5B |
| Dassault Systemes Americas | Professional, Scientific, and Technical Services | 8,262 | $2.1B |
| Parexel International | Professional, Scientific, and Technical Services | 8,178 | $900M |
| Vinfen | Health Care and Social Assistance | 8,102 | $121M |
| Benchmark Senior Living | Health Care and Social Assistance | 8,075 | $94.9M |
| Sonesta International Hotels | Accommodation and Food Services | 7,860 | $180M |
| Charles Stark Draper Laboratory | Other Services (except Public Administration) | 7,729 | $1.9B |
Showing the 60 largest of 1,768. Search for an employer.
From public Form 5500 filings. Medians cover 401(k), 403(b) and profit-sharing plans of the employers listed here. Not financial advice. Methodology