401(k) · DOL Form 5500 · 2024

Mosaic Health System 401(k) Plan

Data updated 2026-07-24

$453M
Total assets: 4,614
Participants: 97th
Percentile by assets: $98,233
Avg per participant

Official DOL plan name: Mosaic Health System 401(k) Retirement Plan · Sponsored by Mosaic Health System · Missouri · Healthcare & Social Assistance

$453M in assets, 4,614 participants

Mosaic Health System's Mosaic Health System 401(k) Retirement Plan reported $453M in total assets and 4,614 participants in its 2024 DOL Form 5500 filing, ranking in the 97th 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.

97th percentile by assets (of 116,472 plans)

Coverage in Missouri

Mosaic Health System 401(k) Retirement Plan covers 4,614 participants in Missouri, 6.1x the typical Missouri plan (state average ~756 per filing). Assets: $453M.

$453M
total plan assets (2024 EOY): 4,614
covered participants: 97th
percentile by assets (of 116,472 plans): $98,233
avg assets per participant

Mosaic Health System 401(k) Retirement Plan reported net income fell from $58M in the plan year 2023 filing to $40M in the plan year 2024 filing.
Mosaic Health System 401(k) Retirement Plan end-of-year assets rose from $413M in the plan year 2023 filing to $453M in the plan year 2024 filing.
Mosaic Health System 401(k) Retirement Plan reported participants rose from 4,560 in the plan year 2023 filing to 4,614 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Missouri

Industry

Healthcare & Social Assistance

Participants vs Missouri filers

In Missouri, the average filing covers about 756 participants across 2,155 plans. Mosaic Health System 401(k) Retirement Plan reports 4,614 participants - 6.1x that state average ($453M EOY assets).

Missouri filing particulars

Total Assets (Beginning of Year)	$413M
Net Assets (End of Year)	$453M
Net Income	$40M
Employer EIN	431283316
Plan Effective Date	1998-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Mosaic Health System)

Total plan assets by year, all Mosaic Health System plans on file

Year	Plans	Participants	Total Assets
2022	1	4,449	$356M
2023	1	4,560	$413M
2024	1	4,614	$453M

Nearby 401(k) Plans in Missouri

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

Mosaic Health System 401(k) Retirement Plan vs. nearby 401(k) plans in Missouri, assets vs. participants

Edward D. Jones & Co. Profit Sharing and 401(k) Plan $12.4B · 47,254
Bayer Corporation Savings and Retirement Plan $10.8B · 19,357
Enterprise Holdings Retirement Savings Plan $6.5B · 72,024
Centene Management Corporation Retirement Plan $4.7B · 53,760
Anheuser-Busch 401(k) Savings and Retirement Plan $3.6B · 14,148

Compare Mosaic Health System 401(k) Retirement P… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Mosaic Health System 401(k) Retirement Plan by total assets, not by location.

Encore Group (USA) LLC Retirement Savings Plan (IL) $453M · 9,014
Communications Workers of America Savings and Retirement Trust (DC) $453M · 10,438
Fanuc America Corporation Savings Plan (MI) $453M · 1,578
Epam Systems, Inc. 401(k) Plan (PA) $454M · 3,037

Frequently Asked Questions

How did Mosaic Health System 401(k) Retirement Plan assets move in 2024? ▼

Mosaic Health System 401(k) Retirement Plan grew at a solid clip - up 9.6% during 2024, from $413M to $453M. Reported net income was $40M.

How have Mosaic Health System plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Mosaic Health System's sponsor-wide assets grew 27.5%, from $356M to $453M.

Where does Mosaic Health System 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼

Mosaic Health System 401(k) Retirement Plan ranks in the 97th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).

Which 401(k) plans are similar in size to Mosaic Health System 401(k) Retirement Plan? ▼

Among 401(k) plans in other states, the closest by assets is Encore Group (USA) LLC Retirement Savings Plan in IL ($453M, 9,014 participants).

Next read for Mosaic Health System 401(k) Retirement P…

Filing takeaways

Ways to act on Mosaic Health System 401(k) Retirement Plan's numbers.

By total assets, Mosaic Health System 401(k) Retirement Plan ranks in the top 5% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in Missouri. Compare plans
Mosaic Health System's sponsor-wide assets have grown 27.5% since 2022 across 3 plan years on file. More Healthcare & Social Assistance plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 431283316.

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.