401(k) · DOL Form 5500 · 2023

Medical Mutual Insurance Company of Maine 401(k) Plan

Data updated 2026-08-25

$23M
Total assets Small plan by assets
39
Participants Small participant base
75th
Percentile by assets National rank
$588,783
Avg per participant High balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Medical Mutual Insurance Company of Maine Salary Deferral Plan · Sponsored by Medical Mutual Insurance Company of Maine · Maine · Finance & Insurance

$23M in assets, 39 participants

Medical Mutual Insurance Company of Maine's Medical Mutual Insurance Company of Maine Salary Deferral Plan reported $23M in total assets and 39 participants in its 2023 DOL Form 5500 filing, ranking in the 75th 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.

  • #5,531 in Finance & Insurance (8,869 peers)

Where Medical Mutual Insurance Company of Maine Salary Deferral Plan sits by assets

Medical Mutual Insurance Company of Maine Salary Deferral Plan sits in the top quartile of all filed plans by assets, $23M for 39 participants (~$588,783/participant), up 12.5% in 2023.

#5,531
in Finance & Insurance (8,869 peers)
+12.5%
assets growth YoY
0.2×
vs typical plan assets (national mean)

Medical Mutual Insurance Company of Maine Salary Deferral Plan's outsized position by total assets

Medical Mutual Insurance Company of Maine Salary Deferral Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$22,962,542 Top 25% higher than 75% of 127,068 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 2023

Medical Mutual Insurance Company of Maine Salary Deferral Plan among smaller filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Medical Mutual Insurance Company of Maine Salary Deferral Plan is a small filing (39 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Medical Mutual Insurance Company of Maine Salary Deferral Plan reported net income rose from -$7M in the plan year 2022 filing to $3M in the plan year 2023 filing.
  • Medical Mutual Insurance Company of Maine Salary Deferral Plan end-of-year assets rose from $20M in the plan year 2022 filing to $23M in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 010355669 · Medical Mutual Insurance Company of Maine PY 2023 · 401(k)

Medical Mutual Insurance Company of Maine Salary Deferral Plan · $23M · 39 · 75th

  • RANK $23M
  • PHOTO 39
  • IND 75th
  • EOY 401(k)
  • 5500 near Humphreys & Partners Architects 401(k) Plan
  • ASSETS ind #5531

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 Maine →

Medical Mutual Insurance Company of Maine Salary Deferral Plan in the asset neighbourhood

Medical Mutual Insurance Company of Maine Salary Deferral PlanMedical Mutual Insurance Com…$23MHumphreys & Partners Architects 401(k) PlanHumphreys & Partners Archite…$23MVista Consulting Group, LLC$23MJumpcloud, Inc. 401(k) Plan$23MQuad Plus LLC Profit Sharing PlanQuad Plus LLC Profit Sharing…$23M
End-of-year total assets ($M) among Medical Mutual Insurance Company of Maine Salary Deferral Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$20M
Net Assets (End of Year)$23M
Net Income$3M
Employer EIN010355669
Plan Effective Date1984-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Medical Mutual Insurance Company of Maine)

Sponsor-wide plan assets over time

All Medical Mutual Insurance Company of Maine plans reported in each filing year

Latest sponsor-wide plan assets
$28M 34.88036998272078% vs 2022
2024 filing year
$15M$20M$25M$30M 202220232024 $20.4M $27.5M ▲ +34.9%
Year Plans Participants Total Assets
2022 1 39 $20M
2023 1 39 $23M
2024 1 40 $28M

Nearby 401(k) Plans in Maine

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

Medical Mutual Insurance Company of Maine Salary Deferral Plan vs. nearby 401(k) plans in Maine, assets vs. participants Scatter plot of 6 data points. -10000010000200003000040000 -20246 Total assets ($B) Participants Medical Mutual Insurance Company of Maine Salary Deferral Plan, Total assets ($B): 0.022962542 · Participants: 39Medical Mutual Insurance Company of Maine Salary Deferral PlanTd 401(k) Retirement Plan, Total assets ($B): 4.942173822 · Participants: 30094Td 401(k) Retirement PlanUnum Group 401(k) Retirement Plan, Total assets ($B): 2.163858906 · Participants: 9604Unum Group 401(k) Retirement PlanIdexx Retirement and Incentive Savings Plan, Total assets ($B): 1.048053529 · Participants: 6594Idexx Retirement and Incentive Savings PlanHannaford Bros. Co. 401(k) Plan, Total assets ($B): 0.986043827 · Participants: 29370Hannaford Bros. Co. 401(k) PlanL.L. Bean 401(k) Retirement Savings Plan, Total assets ($B): 0.721305706 · Participants: 7173L.L. Bean 401(k) Retirement Savings Plan
Medical Mutual Insurance Company of Maine Salary Deferral Plan vs. nearby 401(k) plans in Maine, assets vs. participants
Compare Medical Mutual Insurance Company of Maine Salary Deferral Plan side-by-side with 3 peers →

Medical Mutual Insurance Company of Maine Salary Deferral Plan's out-of-state 401(k) peers by assets and headcount

Outside Maine, the nearest 401(k) by assets is Humphreys & Partners Architects 401(k) Plan in TX ($23M); by covered participants it is John S. Lane & Son, Inc. 401(k) Union Plan in NY (39 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($23M here).

Similar participant headcount

Nearest other-state filings by covered participants (39 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Medical Mutual Insurance Company of Maine Salary Deferral Plan assets move in 2023? ▼
Medical Mutual Insurance Company of Maine Salary Deferral Plan grew at a solid clip - up 12.5% during 2023, from $20M to $23M. Reported net income was $3M.
How have Medical Mutual Insurance Company of Maine plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Medical Mutual Insurance Company of Maine's sponsor-wide assets grew 34.9%, from $20M to $28M.
Where does Medical Mutual Insurance Company of Maine Salary Deferral Plan rank by assets among Form 5500 filers? ▼
Medical Mutual Insurance Company of Maine Salary Deferral Plan ranks in the 75th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Medical Mutual Insurance Company of Maine Salary Deferral Plan? ▼
Among 401(k) plans in other states, the closest by assets is Humphreys & Partners Architects 401(k) Plan in TX ($23M, 235 participants).
Which 401(k) plans cover a similar participant headcount to Medical Mutual Insurance Company of Maine Salary Deferral Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is John S. Lane & Son, Inc. 401(k) Union Plan in NY (39 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 010355669.

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.