401(k) · DOL Form 5500 · 2022

Mosaic Health System 401(k) Plan

Data updated 2026-08-11

$356M
Total assets
4,449
Participants
97th
Percentile by assets
$79,933
Avg per participant
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Official DOL plan name: Mosaic Health System 401(k) Retirement Plan · Sponsored by Mosaic Health System · Missouri · Healthcare & Social Assistance

$356M in assets, 4,449 participants

Mosaic Health System's Mosaic Health System 401(k) Retirement Plan reported $356M in total assets and 4,449 participants in its 2022 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 139,126 plans)
  • #19,563 in Healthcare & Social Assistance (20,060 peers)

Coverage in Missouri

Mosaic Health System 401(k) Retirement Plan covers 4,449 participants in Missouri, 6.0x the typical Missouri plan (state average ~737 per filing). Assets: $356M.

$356M
total plan assets (2022 EOY)
4,449
covered participants
97th
percentile by assets (of 139,126 plans)
$79,933
avg assets per participant

The plan reported a net loss of $54M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Participants vs Missouri filers

In Missouri, the average filing covers about 737 participants across 2,297 plans. Mosaic Health System 401(k) Retirement Plan reports 4,449 participants - 6.0x that state average ($356M EOY assets).

Missouri filing particulars

Total Assets (Beginning of Year)$410M
Net Assets (End of Year)$356M
Net Income-$54M
Employer EIN431283316
Plan Effective Date1998-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mosaic Health System)

$300M$350M$400M$450M$500M 202220232024 $356M $453M ▲ +27.5%
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

Mosaic Health System 401(k) Retirement Plan vs. nearby 401(k) plans in Missouri, assets vs. participants Scatter plot of 6 data points. 020000400006000080000 -20246810 Total assets ($B) Participants Mosaic Health System…Bayer Corporation Sa…Edward D. Jones & Co…Enterprise Holdings …Centene Management C…Anheuser-Busch 401(k…
Mosaic Health System 401(k) Retirement Plan vs. nearby 401(k) plans in Missouri, assets vs. participants

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.

Frequently Asked Questions

How did Mosaic Health System 401(k) Retirement Plan assets move in 2022?
Mosaic Health System 401(k) Retirement Plan pulled back noticeably - down 13.2% during 2022, from $410M to $356M. Reported net income was -$54M.
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 139,126 plans that reported assets for plan year 2022 (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 Kratos Defense & Security Solutions, Inc. Employee in CA ($356M, 2,548 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.