Defined Benefit (Pension) · DOL Form 5500 · 2024

Grinnell Mutual Reinsurance Company Pension Plan

Data updated 2026-08-25

$72M
Total assets Below avg plan size
259
Participants Below avg headcount
88th
Percentile by assets National rank
$277,735
Avg per participant High balance/head
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Official DOL plan name: Grinnell Mutual Retirement Plan · Sponsored by Grinnell Mutual Reinsurance Company · Iowa · Finance & Insurance

$72M in assets, 259 participants

Grinnell Mutual Reinsurance Company's Grinnell Mutual Retirement Plan reported $72M in total assets and 259 participants in its 2024 DOL Form 5500 filing, ranking in the 88th 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.

  • #6,938 in Finance & Insurance (8,549 peers)

Coverage in Iowa

Grinnell Mutual Retirement Plan covers 259 participants in Iowa, about 43% of the average Iowa filer (state average ~609 per filing). Assets: $72M.

#6,938
in Finance & Insurance (8,549 peers)
-30.3%
assets change YoY
0.7×
vs typical plan assets (national mean)

The plan reported a net loss of $31M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Grinnell Mutual Retirement Plan's outsized position by total assets

Grinnell Mutual Retirement Plan vs every filed plan by assets

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

$71,933,262 Top 12% higher than 88% 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

Grinnell Mutual Retirement Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Grinnell Mutual Retirement Plan sits mid-pack in the medium band (259 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Grinnell Mutual Retirement Plan reported net income fell from $4M in the plan year 2023 filing to -$31M in the plan year 2024 filing.
  • Grinnell Mutual Retirement Plan end-of-year assets fell from $103M in the plan year 2023 filing to $72M in the plan year 2024 filing.
  • Grinnell Mutual Retirement Plan reported participants fell from 291 in the plan year 2023 filing to 259 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 420245990 · Grinnell Mutual Reinsurance Company PY 2024 · Defined Benefit (Pension)

Grinnell Mutual Retirement Plan · $72M · 259 · 88th

  • RANK $72M
  • PHOTO 259
  • IND 88th
  • EOY Defined Benefit (Pension)
  • 5500 near Plumbers and Steamfitters Local No. 42 Pension Plan
  • ASSETS ind #6938

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 Iowa →

Grinnell Mutual Retirement Plan in the asset neighbourhood

Snf Holding Company Defined Benefit Retirement PlanSnf Holding Company Defined …$72MPlumbers and Steamfitters Local No. 42 Pension PlanPlumbers and Steamfitters Lo…$72MGrinnell Mutual Retirement PlanGrinnell Mutual Retirement P…$72MI.B.E.W. Local No. 728 Pension FundI.B.E.W. Local No. 728 Pensi…$72MIBEW Local 56 Pension Plan$72M
End-of-year total assets ($M) among Grinnell Mutual Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

Iowa filing particulars

Total Assets (Beginning of Year)$103M
Net Assets (End of Year)$72M
Net Income-$31M
Employer EIN420245990
Plan Effective Date1969-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Grinnell Mutual Reinsurance Company)

Sponsor-wide plan assets over time

All Grinnell Mutual Reinsurance Company plans reported in each filing year

Latest sponsor-wide plan assets
$224M 2.3097348199123355% vs 2022
2024 filing year
$210M$220M$230M$240M 202220232024 $219M $224M ▲ +2.3%
Year Plans Participants Total Assets
2022 2 1,112 $219M
2023 2 1,106 $238M
2024 2 1,027 $224M

Nearby Defined Benefit (Pension) Plans in Iowa

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Grinnell Mutual Retirement Plan vs. nearby Defined Benefit (Pension) plans in Iowa, assets vs. participants Scatter plot of 6 data points. -5000050001000015000 -0.500.511.522.5 Total assets ($B) Participants Grinnell Mutual Retirement Plan, Total assets ($B): 0.071933262 · Participants: 259Grinnell Mutual Retirement PlanTransamerica Pension Plan, Total assets ($B): 2.198965485 · Participants: 7170Transamerica Pension PlanPrincipal Cash Balance Plan, Total assets ($B): 1.466387124 · Participants: 11945Principal Cash Balance PlanMidamerican Energy Company Retirement Plan, Total assets ($B): 0.521334295 · Participants: 2805Midamerican Energy Company Retirement PlanEmployers Mutual Casualty Company Retirement Plan, Total assets ($B): 0.361826911 · Participants: 1908Employers Mutual Casualty Company Retirement PlanPension Plan of the Plumbers and Steamfitters Local Union No. 33 Retirement Trust, Total assets ($B): 0.330986539 · Participants: 1233Pension Plan of the Plumbers and Steamfitters Local Union No. 33 Retirement Trust
Grinnell Mutual Retirement Plan vs. nearby Defined Benefit (Pension) plans in Iowa, assets vs. participants
Compare Grinnell Mutual Retirement Plan side-by-side with 3 peers →

Grinnell Mutual Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Iowa, the nearest Defined Benefit (Pension) by assets is Plumbers and Steamfitters Local No. 42 Pension Plan in OH ($72M); by covered participants it is Southern Minnesota Beet Sugar Cooperative Retirement Plan B in MN (259 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (259 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 Grinnell Mutual Retirement Plan assets move in 2024? ▼
Grinnell Mutual Retirement Plan contracted severely - down 30.3% during 2024, from $103M to $72M. Reported net income was -$31M.
How have Grinnell Mutual Reinsurance Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Grinnell Mutual Reinsurance Company's sponsor-wide assets grew 2.3%, from $219M to $224M.
Where does Grinnell Mutual Retirement Plan rank by assets among Form 5500 filers? ▼
Grinnell Mutual Retirement Plan ranks in the 88th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Grinnell Mutual Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Plumbers and Steamfitters Local No. 42 Pension Plan in OH ($72M, 235 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Grinnell Mutual Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Southern Minnesota Beet Sugar Cooperative Retirement Plan B in MN (259 participants, $25M in assets).

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 420245990.

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.