401(k) · DOL Form 5500 · 2024

Mars, Incorporated 401(k) Plan

Data updated 2026-08-25

$3.4B
Total assets Very large vs avg
15,513
Participants Very large workforce
100th
Percentile by assets National rank
$218,155
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: U.S. Associate Savings Plan · Sponsored by Mars, Incorporated · New Jersey · Manufacturing

$3.4B in assets, 15,513 participants

Mars, Incorporated's U.S. Associate Savings Plan reported $3.4B in total assets and 15,513 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.

  • #17,620 in Manufacturing (17,777 peers)

Coverage in New Jersey

U.S. Associate Savings Plan covers 15,513 participants in New Jersey, 18x the typical New Jersey plan (state average ~844 per filing). Assets: $3.4B.

#17,620
in Manufacturing (17,777 peers)
+14.2%
assets growth YoY
34×
vs typical plan assets (national mean)

U.S. Associate Savings Plan's outsized position by total assets

U.S. Associate Savings Plan vs every filed plan by assets

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

$3,384,234,249 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

U.S. Associate Savings Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. U.S. Associate Savings Plan is a mega filing (15,513 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • U.S. Associate Savings Plan reported net income fell from $512M in the plan year 2023 filing to $421M in the plan year 2024 filing.
  • U.S. Associate Savings Plan end-of-year assets rose from $3.0B in the plan year 2023 filing to $3.4B in the plan year 2024 filing.
  • U.S. Associate Savings Plan reported participants rose from 14,224 in the plan year 2023 filing to 15,513 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 221594774 · Mars, Incorporated PY 2024 · 401(k)

U.S. Associate Savings Plan · $3.4B · 15,513 · 100th

  • RANK $3.4B
  • RANK 15,513
  • RANK 100th
  • RANK 401(k)
  • RANK near Valero Energy Corporation Thrift Plan
  • RANK ind #17620

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 Manufacturing retirement plans → · Plans in New Jersey →

U.S. Associate Savings Plan in the asset neighbourhood

Battelle Employees' Savings PlanBattelle Employees' Savings …$3.4BThe Wegmans Retirement Plans$3.4BValero Energy Corporation Thrift PlanValero Energy Corporation Th…$3.4BU.S. Associate Savings Plan$3.4BThe Rsm US LLP Retirement PlanThe Rsm US LLP Retirement Pl…$3.4B
End-of-year total assets ($B) among U.S. Associate Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

New Jersey filing particulars

Total Assets (Beginning of Year)$3.0B
Net Assets (End of Year)$3.4B
Net Income$421M
Employer EIN221594774
Plan Effective Date2003-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mars, Incorporated)

Sponsor-wide plan assets over time

All Mars, Incorporated plans reported in each filing year

Latest sponsor-wide plan assets
$11.7B 22.9945575884106% vs 2022
2024 filing year
$9B$10B$11B$12B 202220232024 $9.47B $11.7B ▲ +23.0%
Year Plans Participants Total Assets
2022 5 60,183 $9.5B
2023 5 58,554 $11.0B
2024 5 59,490 $11.7B

Nearby 401(k) Plans in New Jersey

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

U.S. Associate Savings Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000 0204060 Total assets ($B) Participants U.S. Associate Savings Plan, Total assets ($B): 3.384234249 · Participants: 15513U.S. Associate Savings PlanJPMorgan Chase 401(k) Savings Plan, Total assets ($B): 52.9134575 · Participants: 185532JPMorgan Chase 401(k) Savings PlanVerizon Savings Plan for Management Employees, Total assets ($B): 29.376133902 · Participants: 69218Verizon Savings Plan for Management EmployeesJohnson and Johnson Savings Plan, Total assets ($B): 23.58476515 · Participants: 42583Johnson and Johnson Savings PlanErnst & Young Retirement Savings Plan, Total assets ($B): 18.327167732 · Participants: 56714Ernst & Young Retirement Savings PlanMerck US Savings Plan, Total assets ($B): 14.970916966 · Participants: 27956Merck US Savings Plan
U.S. Associate Savings Plan vs. nearby 401(k) plans in New Jersey, assets vs. participants

Scale composition for U.S. Associate Savings Plan

U.S. Associate Savings Plan reports $3.4B in end-of-year assets across 15,513 participants (0.027% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.017% of 93,925,755 covered participants) - about $218,155 per participant (1.6x the national average assets-per-participant) . Net income for plan year 2024 was $421M.

This plan identity (EIN 221594774, plan #004) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $2.5B to $3.4B (+38.1%) while covered participants moved from 13,112 to 15,513 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 13,112 $2.5B Open filing
2023 14,224 $3.0B Open filing
2024 · index core 15,513 $3.4B This page

The same sponsor also keeps 4 other index-core plans on PlainRetire:

U.S. Associate Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside New Jersey, the nearest 401(k) by assets is Valero Energy Corporation Thrift Plan in TX ($3.4B); by covered participants it is Arctic Slope Regional Corporation and Subsidiaries Employees Retirement Plan in AK (15,504 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($3.4B here).

Similar participant headcount

Nearest other-state filings by covered participants (15,513 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 U.S. Associate Savings Plan assets move in 2024?
U.S. Associate Savings Plan grew at a solid clip - up 14.2% during 2024, from $3.0B to $3.4B. Reported net income was $421M.
How have Mars, Incorporated plan assets changed over time?
Across 3 plan years on file (2022-2024), Mars, Incorporated's sponsor-wide assets grew 23.0%, from $9.5B to $11.7B.
Where does U.S. Associate Savings Plan rank by assets among Form 5500 filers?
U.S. Associate Savings 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 401(k) plans are similar in size to U.S. Associate Savings Plan?
Among 401(k) plans in other states, the closest by assets is Valero Energy Corporation Thrift Plan in TX ($3.4B, 8,053 participants).
Which 401(k) plans cover a similar participant headcount to U.S. Associate Savings Plan?
Among 401(k) plans in other states, the closest by covered participants is Arctic Slope Regional Corporation and Subsidiaries Employees Retirement Plan in AK (15,504 participants, $1.5B in assets).