401(k) · DOL Form 5500 · 2022
Marsh & Mclennan Companies, Inc. 401(k) Plan
Data updated 2026-08-25
- $5.8B
- Total assets Very large vs avg
- 18,458
- Participants Very large workforce
- 100th
- Percentile by assets National rank
- $311,556
- Avg per participant High balance/head
Official DOL plan name: Marsh & Mclennan Companies 401(k) Savings and Investment Plan · Sponsored by Marsh & Mclennan Companies, Inc. · New York · Finance & Insurance
$5.8B in assets, 18,458 participants
Marsh & Mclennan Companies, Inc.'s Marsh & Mclennan Companies 401(k) Savings and Investment Plan reported $5.8B in total assets and 18,458 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.
- #9,225 in Finance & Insurance (9,261 peers)
Coverage in New York
Marsh & Mclennan Companies 401(k) Savings and Investment Plan covers 18,458 participants in New York, 23x the typical New York plan (state average ~798 per filing). Assets: $5.8B.
- #9,225
- in Finance & Insurance (9,261 peers)
- -16.2%
- assets change YoY
- 58×
- vs typical plan assets (national mean)
The plan reported a net loss of $1.0B for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Marsh & Mclennan Companies 401(k) Savings and Investment Plan's outsized position by total assets
Marsh & Mclennan Companies 401(k) Savings and Investment Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$5,750,698,364 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
Marsh & Mclennan Companies 401(k) Savings and Investment 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. Marsh & Mclennan Companies 401(k) Savings and Investment Plan is a mega filing (18,458 participants), the rightmost band on the breakdown.
EBSA filing schedule strip
Filing strip 362668272 · Marsh & Mclennan Companies, Inc. PY 2022 · 401(k)
Marsh & Mclennan Companies 401(k) Savings and Investment Plan · $5.8B · 18,458 · 100th
- IND $5.8B
- IND 18,458
- IND 100th
- IND 401(k)
- IND near Basf Corporation Retirement Savings Plan
- IND ind #9225
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 401(k) Savings and Investment Plan in the asset neighbourhood
New York filing particulars
| Total Assets (Beginning of Year) | $6.9B |
|---|---|
| Net Assets (End of Year) | $5.8B |
| Net Income | -$1.0B |
| Employer EIN | 362668272 |
| Plan Effective Date | 1966-07-01 |
| Filing Status | FILING 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
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 5 | 35,424 | $11.1B |
| 2023 | 5 | 35,658 | $12.4B |
| 2024 | 5 | 39,116 | $13.1B |
Nearby 401(k) Plans in New York
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- IBM 401 (K) Plus Plan $53.4B · 56,376
- Morgan Stanley 401(k) Plan $16.4B · 42,924
- The Pepsico Savings Plan $12.1B · 129,846
- Deloitte 401(k) Plan $11.0B · 74,687
- The Goldman Sachs 401(k) Plan $9.7B · 22,650
Scale composition for Marsh & Mclennan Companies 401(k) Savings and Investment Plan
Marsh & Mclennan Companies 401(k) Savings and Investment Plan reports $5.8B in end-of-year assets across 18,458 participants (0.047% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.020% of 93,925,755 covered participants) - about $311,556 per participant (2.3x the national average assets-per-participant) . Net income for plan year 2022 was -$1.0B.
This plan identity (EIN 362668272, plan #003) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $5.8B to $7.4B (+28.8%) while covered participants moved from 18,458 to 20,222 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 18,458 | $5.8B | This page |
| 2023 | 18,101 | $6.7B | Open filing |
| 2024 · index core | 20,222 | $7.4B | Open filing |
The same sponsor also keeps 3 other index-core plans on PlainRetire:
- Marsh & Mclennan Companies 401(k) Savings and Investment Plan (401(k), $7.4B, 20,222 participants)
- Marsh & Mclennan Companies Retirement Plan (Defined Benefit (Pension), $4.2B, 7,319 participants)
- Marsh & Mclennan Agency 401(k) Savings & Investment Plan (401(k), $1.5B, 11,530 participants)
Marsh & Mclennan Companies 401(k) Savings and Investment Plan's out-of-state 401(k) peers by assets and headcount
Outside New York, the nearest 401(k) by assets is Basf Corporation Retirement Savings Plan in NJ ($5.7B); by covered participants it is The Coca-Cola Bottlers Assn 401(k) Ret Sav Plan in GA (18,369 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($5.8B here).
- Basf Corporation Retirement Savings Plan (NJ) $5.7B · 13,152
- Kaiser Permanente Tax Sheltered Annuity Plan II (CA) $5.7B · 39,137
- Salesforce 401(k) Plan (CA) $5.7B · 39,662
- Providence Health & Services 403(b) Value Plan (WA) $5.7B · 63,476
Similar participant headcount
Nearest other-state filings by covered participants (18,458 participants); asset peers above are excluded.
- The Coca-Cola Bottlers Assn 401(k) Ret Sav Plan (GA) 18,369 · 89 off
- Concentrix Retirement and Savings Plan (OH) 18,556 · 98 off
- Boston Scientific Corporation 401(k) Retirement Savings Plan (MA) 18,359 · 99 off
- The Caci Smart Plan (VA) 18,339 · 119 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.