Other · DOL Form 5500 · 2024

Mainehealth Services Retirement Plan

Data updated 2026-08-25

$2.5B
Total assets Very large vs avg
22,911
Participants Very large workforce
99th
Percentile by assets National rank
$107,382
Avg per participant Below avg balance/head
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Official DOL plan name: Mainehealth 403(b) Retirement Plan · Sponsored by Mainehealth Services · Maine · Healthcare & Social Assistance

$2.5B in assets, 22,911 participants

Mainehealth Services's Mainehealth 403(b) Retirement Plan reported $2.5B in total assets and 22,911 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • #16,824 in Healthcare & Social Assistance (16,916 peers)

Coverage in Maine

Mainehealth 403(b) Retirement Plan covers 22,911 participants in Maine, 49x the typical Maine plan (state average ~472 per filing). Assets: $2.5B.

#16,824
in Healthcare & Social Assistance (16,916 peers)
+15.3%
assets growth YoY
25×
vs typical plan assets (national mean)

Mainehealth 403(b) Retirement Plan's outsized position by total assets

Mainehealth 403(b) Retirement Plan vs every filed plan by assets

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

$2,460,227,578 Top 1% higher than 99% 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

Mainehealth 403(b) Retirement 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. Mainehealth 403(b) Retirement Plan is a mega filing (22,911 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mainehealth 403(b) Retirement Plan end-of-year assets rose from $2.1B in the plan year 2023 filing to $2.5B in the plan year 2024 filing.
  • Mainehealth 403(b) Retirement Plan reported net income fell from $350M in the plan year 2023 filing to $327M in the plan year 2024 filing.
  • Mainehealth 403(b) Retirement Plan reported participants rose from 22,008 in the plan year 2023 filing to 22,911 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 010431680 · Mainehealth Services PY 2024 · Other

Mainehealth 403(b) Retirement Plan · $2.5B · 22,911 · 99th

  • VS-ST $2.5B
  • BOY 22,911
  • SCH 99th
  • EBSA Other
  • PART near University Hospitals Health System 403(b) Matched Retirement Savings Plan
  • TYPE ind #16824

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 Healthcare & Social Assistance retirement plans → · Plans in Maine →

Mainehealth 403(b) Retirement Plan in the asset neighbourhood

The Children's Hospital of Philadelphia Retirement Savings PlanThe Children's Hospital of P…$2.5BMainehealth 403(b) Retirement PlanMainehealth 403(b) Retiremen…$2.5BUniversity Hospitals Health System 403(b) Matched Retirement Savings PlanUniversity Hospitals Health …$2.5BGeorgetown University Defined Contribution Retirement PlanGeorgetown University Define…$2.5BCornell University Tax-Deferred Annuity PlanCornell University Tax-Defer…$2.4B
End-of-year total assets ($B) among Mainehealth 403(b) Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2024.

Maine filing particulars

Total Assets (Beginning of Year)$2.1B
Net Assets (End of Year)$2.5B
Net Income$327M
Employer EIN010431680
Plan Effective Date2000-10-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mainehealth Services)

Sponsor-wide plan assets over time

All Mainehealth Services plans reported in each filing year

Latest sponsor-wide plan assets
$2.5B 37.73637874739918% vs 2022
2024 filing year
$1.5B$2B$2.5B$3B 202220232024 $1.8B $2.48B ▲ +37.8%
Year Plans Participants Total Assets
2022 2 22,323 $1.8B
2023 2 22,744 $2.2B
2024 2 23,403 $2.5B

Nearby Other Plans in Maine

Peer Other plans, same state, same plan type, ranked by total assets.

Mainehealth 403(b) Retirement Plan vs. nearby Other plans in Maine, assets vs. participants Scatter plot of 6 data points. -50000500010000150002000025000 00.511.522.53 Total assets ($B) Participants Mainehealth 403(b) Retirement Plan, Total assets ($B): 2.460227578 · Participants: 22911Mainehealth 403(b) Retirement PlanNorthern Light Health Retirement Partnership 403(b) Plan, Total assets ($B): 1.178309065 · Participants: 10712Northern Light Health Retirement Partnership 403(b) PlanJax 403(b) Retirement Plan, Total assets ($B): 0.602801239 · Participants: 2735Jax 403(b) Retirement PlanMainegeneral Health 403(b) Retirement Plan, Total assets ($B): 0.414388161 · Participants: 4718Mainegeneral Health 403(b) Retirement PlanColby College Retirement Plan, Total assets ($B): 0.297027676 · Participants: 978Colby College Retirement PlanUniversity of New England Defined Contribution Plan, Total assets ($B): 0.248826793 · Participants: 1126University of New England Defined Contribution Plan
Mainehealth 403(b) Retirement Plan vs. nearby Other plans in Maine, assets vs. participants

Scale composition for Mainehealth 403(b) Retirement Plan

Mainehealth 403(b) Retirement Plan reports $2.5B in end-of-year assets across 22,911 participants (0.020% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.024% of 93,925,755 covered participants) - about $107,382 per participant (78% of the national average assets-per-participant) . Net income for plan year 2024 was $327M.

This plan identity (EIN 010431680, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.8B to $2.5B (+38.3%) while covered participants moved from 21,547 to 22,911 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 21,547 $1.8B Open filing
2023 22,008 $2.1B Open filing
2024 · index core 22,911 $2.5B This page

Mainehealth 403(b) Retirement Plan's out-of-state Other peers by assets and headcount

Outside Maine, the nearest Other by assets is University Hospitals Health System 403(b) Matched Retirement Savings Plan in OH ($2.5B); by covered participants it is Stanford Contributory Retirement Plan in CA (22,753 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (22,911 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 Mainehealth 403(b) Retirement Plan assets move in 2024?
Mainehealth 403(b) Retirement Plan grew sharply - up 15.3% during 2024, from $2.1B to $2.5B. Reported net income was $327M.
How have Mainehealth Services plan assets changed over time?
Across 3 plan years on file (2022-2024), Mainehealth Services's sponsor-wide assets grew 37.7%, from $1.8B to $2.5B.
Where does Mainehealth 403(b) Retirement Plan rank by assets among Form 5500 filers?
Mainehealth 403(b) Retirement Plan ranks in the 99th 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 Other plans are similar in size to Mainehealth 403(b) Retirement Plan?
Among Other plans in other states, the closest by assets is University Hospitals Health System 403(b) Matched Retirement Savings Plan in OH ($2.5B, 27,009 participants).
Which Other plans cover a similar participant headcount to Mainehealth 403(b) Retirement Plan?
Among Other plans in other states, the closest by covered participants is Stanford Contributory Retirement Plan in CA (22,753 participants, $12.6B in assets).