Defined Benefit (Pension) · DOL Form 5500 · 2022

Liberty Mutual Group Inc. Pension Plan

Data updated 2026-08-11

$6.8B
Total assets
33,087
Participants
100th
Percentile by assets
$204,207
Avg per participant
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Official DOL plan name: Liberty Mutual Retirement Benefit Plan · Sponsored by Liberty Mutual Group Inc. · Massachusetts · Finance & Insurance

$6.8B in assets, 33,087 participants

Liberty Mutual Group Inc.'s Liberty Mutual Retirement Benefit Plan reported $6.8B in total assets and 33,087 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.

  • 100th percentile by assets (of 139,126 plans)
  • #9,232 in Finance & Insurance (9,261 peers)

Coverage in Massachusetts

Liberty Mutual Retirement Benefit Plan covers 33,087 participants in Massachusetts, 50x the typical Massachusetts plan (state average ~659 per filing). Assets: $6.8B.

$6.8B
total plan assets (2022 EOY)
33,087
covered participants
100th
percentile by assets (of 139,126 plans)
$204,207
avg assets per participant

The plan reported a net loss of $2.7B for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Where Liberty Mutual Retirement Benefit Plan sits by total assets

Liberty Mutual Retirement Benefit Plan vs every filed plan by assets

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

$6,756,596,242 Highest reported value at or above every one of 139,123 filed plans

This plan $0 $2,010,000,000 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

State
Massachusetts
Industry
Finance & Insurance

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. Liberty Mutual Retirement Benefit Plan reports 33,087 participants - 50x that state average ($6.8B EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)$9.1B
Net Assets (End of Year)$6.8B
Net Income-$2.7B
Employer EIN043583679
Plan Effective Date1951-05-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Liberty Mutual Group Inc.)

$15B$16B$17B$18B 202220232024 $15.6B $17.6B ▲ +13.2%
Total plan assets by year, all Liberty Mutual Group Inc. plans on file
Year Plans Participants Total Assets
2022 2 65,930 $15.6B
2023 2 74,197 $17.4B
2024 2 69,528 $17.6B

Nearby Defined Benefit (Pension) Plans in Massachusetts

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Liberty Mutual Retirement Benefit Plan vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 0100002000030000400005000060000 246810 Total assets ($B) Participants Liberty Mutual Retir…, Total assets ($B): 6.756596242 · Participants: 33087Liberty Mutual Retir…Consolidated Cash Ba…, Total assets ($B): 9.07532048 · Participants: 55495Consolidated Cash Ba…Massachusetts Instit…, Total assets ($B): 5.281152611 · Participants: 11835Massachusetts Instit…N. Atlantic States C…, Total assets ($B): 4.758508912 · Participants: 17323N. Atlantic States C…N. Atlantic States C…, Total assets ($B): 3.594095954 · Participants: 10962N. Atlantic States C…New England Teamster…, Total assets ($B): 3.346268392 · Participants: 21757New England Teamster…
Liberty Mutual Retirement Benefit Plan vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants
Compare Liberty Mutual Retirement Benefit Plan side-by-side with 3 peers →

Scale composition for Liberty Mutual Retirement Benefit Plan

Liberty Mutual Retirement Benefit Plan reports $6.8B in end-of-year assets across 33,087 participants (0.055% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.035% of 93,925,755 covered participants) - about $204,207 per participant (1.5x the national average assets-per-participant) . Net income for plan year 2022 was -$2.7B.

This plan identity (EIN 043583679, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $6.8B to $6.3B (-7.5%) while covered participants moved from 33,087 to 34,910 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 33,087 $6.8B This page
2023 37,145 $6.9B Open filing
2024 · index core 34,910 $6.3B Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Liberty Mutual Retirement Benefit Plan by total assets, not by location.

Frequently Asked Questions

How did Liberty Mutual Retirement Benefit Plan assets move in 2022? ▼
Liberty Mutual Retirement Benefit Plan declined sharply - down 25.9% during 2022, from $9.1B to $6.8B. Reported net income was -$2.7B.
How have Liberty Mutual Group Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Liberty Mutual Group Inc.'s sponsor-wide assets grew 13.2%, from $15.6B to $17.6B.
Where does Liberty Mutual Retirement Benefit Plan rank by assets among Form 5500 filers? ▼
Liberty Mutual Retirement Benefit Plan ranks in the 100th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Liberty Mutual Retirement Benefit Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Abbott Laboratories Annuity Retirement Plan in IL ($6.8B, 16,809 participants).

Next read for Liberty Mutual Retirement Benefit Plan

Filing takeaways

Ways to act on Liberty Mutual Retirement Benefit Plan's numbers.

  • By total assets, Liberty Mutual Retirement Benefit Plan ranks among the largest 1% of all filed plans. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Massachusetts. Compare plans
  • Liberty Mutual Group Inc.'s sponsor-wide assets have grown 13.2% since 2022 across 3 plan years on file. More Finance & Insurance plans

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 043583679.

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.