401(k) plans in Massachusetts: match, fees and largest employers

1,768 employers in Massachusetts with a full plan profile, from plan year 2024 Form 5500 filings.
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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

EmployerIndustryParticipantsPlan assets
Liberty Mutual GroupFinance and Insurance120,746$17B
Fidelity InvestmentsFinance and Insurance107,962$34.4B
TJX CompaniesRetail Trade335,098$5.1B
Boston Consulting GroupProfessional, Scientific, and Technical Services24,731$4.1B
Mass General BrighamHealth Care and Social Assistance242,569$29B
WayfairProfessional, Scientific, and Technical Services17,988$786M
BainProfessional, Scientific, and Technical Services10,497$2.4B
MassMutualFinance and Insurance45,681$6.9B
National Medical CareHealth Care and Social Assistance85,042$4.7B
Ahold USARetail Trade83,190$1.5B
Beth Israel Lahey HealthHealth Care and Social Assistance68,071$5.1B
Massachusetts Institute of TechnologyEducational Services57,668$13.5B
Bot of the North Atlantic States Carpenters Pension FundConstruction45,727$4.9B
Children's HospitalHealth Care and Social Assistance45,101$2.9B
Takeda Pharmaceutical U.S.A.Manufacturing40,610$6.6B
Trustees of Boston UniversityEducational Services39,781$4.7B
Umass Memorial Health CareHealth Care and Social Assistance38,859$3.4B
Builders FirstsourceWholesale Trade37,618$1.7B
BJ's Wholesale ClubRetail Trade37,391$661M
Boston ScientificManufacturing31,957$6.8B
Philips North AmericaManufacturing30,794$6.8B
State StreetManagement of Companies and Enterprises30,667$7.4B
Cushman & WakefieldAdministrative and Support and Waste Management28,987$1.7B
Dana-Farber Cancer InstituteHealth Care and Social Assistance24,073$1.8B
Bot of the North Atlantic States Carpenters Guaranteed Annuity FundConstruction23,724$3.7B
Clean Harbors Enviromental ServicesUtilities23,611$1.2B
Pyramid Advisors Limited PartnershipAccommodation and Food Services23,382$247M
Boston Medical CenterHealth Care and Social Assistance22,301$1.9B
Bright Horizons Children's CentersHealth Care and Social Assistance21,525$466M
Eg Retail (America)Retail Trade20,327$338M
Demoulas Super MarketsRetail Trade19,337$1.1B
Trustees of Tufts CollegeEducational Services19,203$2B
StaplesRetail Trade18,045$1.5B
Tufts MedicineHealth Care and Social Assistance17,772$1.2B
Baystate HealthHealth Care and Social Assistance17,769$1.4B
Erin RojasProfessional, Scientific, and Technical Services16,476$286M
Northeastern UniversityEducational Services14,053$2.6B
Hanover InsuranceFinance and Insurance13,843$1.6B
UnifirstOther Services (except Public Administration)13,688$557M
Charles River LaboratoriesProfessional, Scientific, and Technical Services13,643$1.1B
IntelycareAdministrative and Support and Waste Management13,315$12.4M
Usr ParentRetail Trade12,880$405M
Big Y FoodsRetail Trade12,052$574M
Mercer InvestmentsFinance and Insurance12,035$320M
House WorksHealth Care and Social Assistance11,951$7.2M
Analog DevicesManufacturing11,411$4.3B
South Shore HospitalHealth Care and Social Assistance10,875$727M
Blue Cross Blue Shield of MassachusettsFinance and Insurance10,833$2.1B
AlerislifeHealth Care and Social Assistance10,711$128M
Sun Life Financial U.S. ServicesFinance and Insurance10,190$2B
Southcoast Hospitals GroupHealth Care and Social Assistance10,174$1.1B
Board of Trustees Iron WorkersConstruction9,989$614M
Veolia North AmericaUtilities9,828$1.1B
BoseManufacturing9,232$1.5B
Dassault Systemes AmericasProfessional, Scientific, and Technical Services8,262$2.1B
Parexel InternationalProfessional, Scientific, and Technical Services8,178$900M
VinfenHealth Care and Social Assistance8,102$121M
Benchmark Senior LivingHealth Care and Social Assistance8,075$94.9M
Sonesta International HotelsAccommodation and Food Services7,860$180M
Charles Stark Draper LaboratoryOther 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