Defined Benefit (Pension) · DOL Form 5500 · 2022
Massachusetts Mutual Life Insurance Company Pension Plan
Data updated 2026-08-25
- $2.5B
- Total assets Very large vs avg
- 14,729
- Participants Very large workforce
- 100th
- Percentile by assets National rank
- $171,685
- Avg per participant Above avg balance/head
Official DOL plan name: Massmutual Pension Plan · Sponsored by Massachusetts Mutual Life Insurance Company · Massachusetts · Finance & Insurance
$2.5B in assets, 14,729 participants
Massachusetts Mutual Life Insurance Company's Massmutual Pension Plan reported $2.5B in total assets and 14,729 participants in its 2022 DOL Form 5500 filing, ranking in the 100th 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.
- #9,169 in Finance & Insurance (9,261 peers)
Coverage in Massachusetts
Massmutual Pension Plan covers 14,729 participants in Massachusetts, 22x the typical Massachusetts plan (state average ~659 per filing). Assets: $2.5B.
- #9,169
- in Finance & Insurance (9,261 peers)
- -19.2%
- assets change YoY
- 25×
- vs typical plan assets (national mean)
The plan reported a net loss of $620M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Massmutual Pension Plan's outsized position by total assets
Massmutual Pension Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$2,528,745,122 Highest reported value at or above every one of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Massmutual Pension Plan's mega-plan peer group by participant headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Massmutual Pension Plan is a mega filing (14,729 participants), the rightmost band on the breakdown.
DOL schedule card
Filing strip 041590850 · Massachusetts Mutual Life Insurance Company PY 2022 · Defined Benefit (Pension)
Massmutual Pension Plan · $2.5B · 14,729 · 100th
- NET $2.5B
- NET 14,729
- NET 100th
- NET Defined Benefit (Pension)
- NET near Salt River Project Employees' Retirement Plan
- NET ind #9169
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 Finance & Insurance retirement plans → · Plans in Massachusetts →
Massmutual Pension Plan in the asset neighbourhood
Massachusetts filing particulars
| Total Assets (Beginning of Year) | $3.1B |
|---|---|
| Net Assets (End of Year) | $2.4B |
| Net Income | -$620M |
| Employer EIN | 041590850 |
| Plan Effective Date | 1948-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Massachusetts Mutual Life Insurance Company)
Sponsor-wide plan assets over time
All Massachusetts Mutual Life Insurance Company plans reported in each filing year
- Latest sponsor-wide plan assets
- $7.0B 12.184255137909904% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 4 | 30,601 | $6.2B |
| 2023 | 4 | 29,481 | $6.7B |
| 2024 | 4 | 27,323 | $7.0B |
Nearby Defined Benefit (Pension) Plans in Massachusetts
Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.
- Consolidated Cash Balance Program of Mass General Brigham and Member Organizations $9.1B · 55,495
- Liberty Mutual Retirement Benefit Plan $6.8B · 33,087
- Massachusetts Institute of Technology Basic Retirement Plan $5.3B · 11,835
- N. Atlantic States Carp. Pension Fund $4.8B · 17,323
- N. Atlantic States Carp. Guaranteed Annuity Fund $3.6B · 10,962
Scale composition for Massmutual Pension Plan
Massmutual Pension Plan reports $2.5B in end-of-year assets across 14,729 participants (0.021% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.016% of 93,925,755 covered participants) - about $171,685 per participant (1.2x the national average assets-per-participant) . Net income for plan year 2022 was -$620M.
This plan identity (EIN 041590850, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $2.5B to $2.5B (-1.0%) while covered participants moved from 14,729 to 13,404 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 14,729 | $2.5B | This page |
| 2023 | 14,462 | $2.6B | Open filing |
| 2024 · index core | 13,404 | $2.5B | Open filing |
The same sponsor also keeps 3 other index-core plans on PlainRetire:
- Massmutual Thrift Plan (401(k), $4.3B, 13,502 participants)
- Massmutual Pension Plan (Defined Benefit (Pension), $2.5B, 13,404 participants)
- Massachusetts Mutual Life Insurance Company Agent Pension Plan (Money Purchase, $145M, 351 participants)
Massmutual Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount
Outside Massachusetts, the nearest Defined Benefit (Pension) by assets is Salt River Project Employees' Retirement Plan in AZ ($2.5B); by covered participants it is Bakery & Confectionery Union & Industry International Pension Fund in MD (14,787 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($2.5B here).
- Salt River Project Employees' Retirement Plan (AZ) $2.5B · 4,802
- The Retirement Plan for Graham Holdings Company (VA) $2.5B · 4,874
- Boeing North American Retirement Plan (WA) $2.5B · 152
- Comerica Incorporated Retirement Income Account Plan (TX) $2.5B · 6,700
Similar participant headcount
Nearest other-state filings by covered participants (14,729 participants); asset peers above are excluded.
- Bakery & Confectionery Union & Industry International Pension Fund (MD) 14,787 · 58 off
- The Retirement Benefit Plan of American Airlines, Inc. for Employees Represented by the Transport Workers Union of America, AFL-CIO (TX) 14,617 · 112 off
- Northrop Grumman Pension Plan (VA) 14,867 · 138 off
- Fca US LLC UAW Pension Agreement (MI) 14,563 · 166 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.