Defined Benefit (Pension) · DOL Form 5500 · 2024

Marsh & Mclennan Companies, Inc. Pension Plan

Data updated 2026-08-25

$4.2B
Total assets Very large vs avg
7,319
Participants Very large workforce
100th
Percentile by assets National rank
$567,822
Avg per participant High balance/head
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Official DOL plan name: Marsh & Mclennan Companies Retirement Plan · Sponsored by Marsh & Mclennan Companies, Inc. · New York · Finance & Insurance

$4.2B in assets, 7,319 participants

Marsh & Mclennan Companies, Inc.'s Marsh & Mclennan Companies Retirement Plan reported $4.2B in total assets and 7,319 participants in its 2024 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.

  • #8,483 in Finance & Insurance (8,549 peers)

Coverage in New York

Marsh & Mclennan Companies Retirement Plan covers 7,319 participants in New York, 9.2x the typical New York plan (state average ~798 per filing). Assets: $4.2B.

#8,483
in Finance & Insurance (8,549 peers)
-5.3%
assets change YoY
42×
vs typical plan assets (national mean)

The plan reported a net loss of $180M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Marsh & Mclennan Companies Retirement Plan's outsized position by total assets

Marsh & Mclennan Companies Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$4,155,885,654 Highest reported value at or above every one of 123,620 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 2024

Marsh & Mclennan Companies Retirement Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Marsh & Mclennan Companies Retirement Plan lands in the large band (7,319 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Marsh & Mclennan Companies Retirement Plan reported net income fell from -$26M in the plan year 2023 filing to -$180M in the plan year 2024 filing.
  • Marsh & Mclennan Companies Retirement Plan reported participants fell from 7,766 in the plan year 2023 filing to 7,319 in the plan year 2024 filing.
  • Marsh & Mclennan Companies Retirement Plan end-of-year assets fell from $4.4B in the plan year 2023 filing to $4.2B in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 362668272 · Marsh & Mclennan Companies, Inc. PY 2024 · Defined Benefit (Pension)

Marsh & Mclennan Companies Retirement Plan · $4.2B · 7,319 · 100th

  • 5500 $4.2B
  • ASSETS 7,319
  • PCT 100th
  • EIN Defined Benefit (Pension)
  • RANK near General Motors Salaried Retirement Program
  • PHOTO ind #8483

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 New York →

Marsh & Mclennan Companies Retirement Plan in the asset neighbourhood

Disney Salaried Pension Plan aDisney Salaried Pension Plan…$4.2BAllstate Retirement Plan$4.2BMarsh & Mclennan Companies Retirement PlanMarsh & Mclennan Companies R…$4.2BGeneral Motors Salaried Retirement ProgramGeneral Motors Salaried Reti…$4.1BAmerican Electric Power System Retirement PlanAmerican Electric Power Syst…$4.1B
End-of-year total assets ($B) among Marsh & Mclennan Companies Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

New York filing particulars

Total Assets (Beginning of Year)$4.4B
Net Assets (End of Year)$4.1B
Net Income-$180M
Employer EIN362668272
Plan Effective Date1941-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Marsh & Mclennan Companies, Inc.)

Sponsor-wide plan assets over time

All Marsh & Mclennan Companies, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$13.1B 18.19146104996544% vs 2022
2024 filing year
$10B$11B$12B$13B$14B 202220232024 $11.1B $13.1B ▲ +18.2%
Year Plans Participants Total Assets
2022 5 35,424 $11.1B
2023 5 35,658 $12.4B
2024 5 39,116 $13.1B

Nearby Defined Benefit (Pension) Plans in New York

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

Marsh & Mclennan Companies Retirement Plan vs. nearby Defined Benefit (Pension) plans in New York, assets vs. participants Scatter plot of 6 data points. 050000100000150000 05101520 Total assets ($B) Participants Marsh & Mclennan Companies Retirement Plan, Total assets ($B): 4.155885654 · Participants: 7319Marsh & Mclennan Companies Retirement PlanIBM Personal Pension Plan, Total assets ($B): 17.919858993 · Participants: 48014IBM Personal Pension Plan1199seiu Health Care Employees Pension Fund, Total assets ($B): 16.913316696 · Participants: 1118331199seiu Health Care Employees Pension FundConsolidated Edison Retirement Plan, Total assets ($B): 15.588456377 · Participants: 10608Consolidated Edison Retirement PlanPfizer Consolidated Pension Plan, Total assets ($B): 9.970337119 · Participants: 8876Pfizer Consolidated Pension PlanGE Energy Pension Plan, Total assets ($B): 8.92290143 · Participants: 5829GE Energy Pension Plan
Marsh & Mclennan Companies Retirement Plan vs. nearby Defined Benefit (Pension) plans in New York, assets vs. participants

Scale composition for Marsh & Mclennan Companies Retirement Plan

Marsh & Mclennan Companies Retirement Plan reports $4.2B in end-of-year assets across 7,319 participants (0.034% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.008% of 93,925,755 covered participants) - about $567,822 per participant (4.1x the national average assets-per-participant) . Net income for plan year 2024 was -$180M.

This plan identity (EIN 362668272, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $4.3B to $4.2B (-3.5%) while covered participants moved from 8,819 to 7,319 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 8,819 $4.3B Open filing
2023 7,766 $4.4B Open filing
2024 · index core 7,319 $4.2B This page

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

Marsh & Mclennan Companies Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside New York, the nearest Defined Benefit (Pension) by assets is General Motors Salaried Retirement Program in MI ($4.1B); by covered participants it is Nokia Retirement Income Plan in NJ (7,280 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($4.2B here).

Similar participant headcount

Nearest other-state filings by covered participants (7,319 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Marsh & Mclennan Companies Retirement Plan assets move in 2024?
Marsh & Mclennan Companies Retirement Plan pulled back noticeably - down 5.3% during 2024, from $4.4B to $4.2B. Reported net income was -$180M.
How have Marsh & Mclennan Companies, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Marsh & Mclennan Companies, Inc.'s sponsor-wide assets grew 18.2%, from $11.1B to $13.1B.
Where does Marsh & Mclennan Companies Retirement Plan rank by assets among Form 5500 filers?
Marsh & Mclennan Companies Retirement Plan ranks in the 100th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Marsh & Mclennan Companies Retirement Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is General Motors Salaried Retirement Program in MI ($4.1B, 8,644 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Marsh & Mclennan Companies Retirement Plan?
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Nokia Retirement Income Plan in NJ (7,280 participants, $12.9B in assets).