401(k) · DOL Form 5500 · 2022

Mass General Brigham Incorporated 401(k) Plan

Data updated 2026-08-25

$544M
Total assets Above avg plan size
6,104
Participants Above avg headcount
98th
Percentile by assets National rank
$89,148
Avg per participant Below avg balance/head
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Official DOL plan name: Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations · Sponsored by Mass General Brigham Incorporated · Massachusetts · Healthcare & Social Assistance

$544M in assets, 6,104 participants

Mass General Brigham Incorporated's Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations reported $544M in total assets and 6,104 participants in its 2022 DOL Form 5500 filing, ranking in the 98th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #19,701 in Healthcare & Social Assistance (20,060 peers)

Coverage in Massachusetts

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations covers 6,104 participants in Massachusetts, 9.3x the typical Massachusetts plan (state average ~659 per filing). Assets: $544M.

#19,701
in Healthcare & Social Assistance (20,060 peers)
+5.6%
assets growth YoY
5.5×
vs typical plan assets (national mean)

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations's outsized position by total assets

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$544,156,374 Top 2% higher than 98% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations lands in the large band (6,104 participants).

EBSA filing schedule strip

Filing strip 043230035 · Mass General Brigham Incorporated PY 2022 · 401(k)

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations · $544M · 6,104 · 98th

  • PHOTO $544M
  • PHOTO 6,104
  • PHOTO 98th
  • PHOTO 401(k)
  • PHOTO near Amwins Group, Inc. 401(k) Plan
  • PHOTO ind #19701

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Healthcare & Social Assistance retirement plans → · Plans in Massachusetts →

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations in the asset neighbourhood

Amwins Group, Inc. 401(k) PlanAmwins Group, Inc. 401(k) Pl…$544MConsolidated 401(a) and 401(k) Program of Mass General Brigham and Member OrganizationsConsolidated 401(a) and 401(…$544MTerex Corporation and Affiliates 401(k) Retirement Savings PlanTerex Corporation and Affili…$544MEndeavor 401(k) Plan$543MAaa Ncnu 401(k) Plan$543M
End-of-year total assets ($M) among Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$515M
Net Assets (End of Year)$544M
Net Income$29M
Employer EIN043230035
Plan Effective Date1996-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mass General Brigham Incorporated)

Sponsor-wide plan assets over time

All Mass General Brigham Incorporated plans reported in each filing year

Latest sponsor-wide plan assets
$29.0B 33.49288324467905% vs 2022
2024 filing year
$20B$25B$30B 202220232024 $21.7B $29B ▲ +33.5%
Year Plans Participants Total Assets
2022 3 136,155 $21.7B
2023 3 138,723 $25.9B
2024 3 142,326 $29.0B

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 0200004000060000 -50510152025 Total assets ($B) Participants Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations, Total assets ($B): 0.544156374 · Participants: 6104Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member OrganizationsFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations side-by-side with 3 peers →

Scale composition for Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations reports $544M in end-of-year assets across 6,104 participants (0.004% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $89,148 per participant (64% of the national average assets-per-participant) . Net income for plan year 2022 was $29M.

This plan identity (EIN 043230035, plan #500) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $544M to $645M (+18.6%) while covered participants moved from 6,104 to 5,146 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 6,104 $544M This page
2023 5,766 $629M Open filing
2024 · index core 5,146 $645M Open filing

The same sponsor also keeps 3 other index-core plans on PlainRetire:

Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Amwins Group, Inc. 401(k) Plan in NC ($544M); by covered participants it is Freudenberg Companies 401(k) Retirement Plan in MI (6,103 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($544M here).

Similar participant headcount

Nearest other-state filings by covered participants (6,104 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations assets move in 2022? ▼
Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations grew at a solid clip - up 5.6% during 2022, from $515M to $544M. Reported net income was $29M.
How have Mass General Brigham Incorporated plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mass General Brigham Incorporated's sponsor-wide assets grew 33.5%, from $21.7B to $29.0B.
Where does Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations rank by assets among Form 5500 filers? ▼
Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations ranks in the 98th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations? ▼
Among 401(k) plans in other states, the closest by assets is Amwins Group, Inc. 401(k) Plan in NC ($544M, 5,389 participants).
Which 401(k) plans cover a similar participant headcount to Consolidated 401(a) and 401(k) Program of Mass General Brigham and Member Organizations? ▼
Among 401(k) plans in other states, the closest by covered participants is Freudenberg Companies 401(k) Retirement Plan in MI (6,103 participants, $489M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 043230035.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.