Employer · plans filed under one EIN
Grinnell Mutual Reinsurance Company, Si
Grinnell, IA · Finance and insurance
Form 5500 information is as filed by the plan administrator with the Department of Labor and may be amended. Figures reflect the plan year shown, not current balances.
Grinnell Mutual Reinsurance Company, Si, based in Grinnell, Iowa, sponsors 2 retirement plans with 100 or more participants: 1 defined contribution and 1 defined benefit. Together they reported 1,167 participant records and $234M in net assets.
The largest is Grinnell Mutual Savings and Investment Plan, a 401(k) plan with 827 participants. A person can be counted in more than one plan, so the participant total is a count of records rather than of people.
Employer contributions across the plans were $4.7M and participant contributions $7.5M in the latest plan years; benefits paid were $28.4M. Schedule C compensation reported to service provider organisations totalled $332K.
Combined net assets moved from $60.6M in 2009 to $234M in 2025 (up 287%). Plan mergers and spin-offs show up here as steps in the series.
Plans
| Plan | Kind | Plan year | Participants | Net assets | Per participant | Employer / active | Sch. C compensation |
|---|---|---|---|---|---|---|---|
| Grinnell Mutual Savings and Investment Plan | 401(k) plan | 2025 | 827 | $163M | $197,185 | $7,332 | $64K |
| Grinnell Mutual Retirement Plan | defined benefit pension plan | 2025 | 340 | $71.4M | $210,050 | — | $269K |
| US median, plan year 2024: DC plans $53,089 per participant, $2,174 employer contribution per active participant; DB plans $86,073 and $10,170. | |||||||
Trend by plan year
| Plan year | Plans | Participant records | Net assets | Employer contributions | Participant contributions |
|---|---|---|---|---|---|
| 2025 | 2 | 1,167 | $234M | $4.7M | $7.5M |
| 2024 | 2 | 1,245 | $224M | $4.4M | $7.0M |
| 2023 | 2 | 1,465 | $238M | $1.7M | $6.9M |
| 2022 | 2 | 1,530 | $219M | $1.5M | $6.6M |
| 2021 | 2 | 1,554 | $275M | $5.2M | $6.4M |
| 2020 | 2 | 1,561 | $243M | $7.5M | $6.1M |
| 2019 | 2 | 1,634 | $206M | $7.0M | $5.5M |
| 2018 | 2 | 1,615 | $163M | $6.6M | $4.8M |
| 2017 | 2 | 1,577 | $166M | $12.7M | $4.3M |
| 2016 | 2 | 1,539 | $135M | $6.4M | $3.9M |
| 2015 | 2 | 1,510 | $120M | $7.1M | $3.5M |
| 2014 | 2 | 1,490 | $116M | $5.9M | $3.3M |
| 2013 | 2 | 1,480 | $106M | $4.4M | $3.1M |
| 2012 | 2 | 1,463 | $86.7M | $5.5M | $2.9M |
| 2011 | 2 | 1,472 | $73.2M | $3.4M | $2.8M |
| 2010 | 2 | 1,476 | $69.4M | $2.8M | $2.8M |
| 2009 | 2 | 1,492 | $60.6M | $3.9M | $2.8M |
History of the plans listed above, in the years each filed the full Form 5500 with 100 or more participants. Plans that have since terminated are not included.
Service providers
| Organisation | Services reported | Plans | Compensation reported |
|---|---|---|---|
| Principal Trust Company | Recordkeeping and information management; Custodial (securities); Trustee (bank, trust company, or similar financial institution); Participant communication | 1 | $172,431 |
| USI Consulting Group | Actuarial | 1 | $96,189 |
| Principal Life Insurance Company | Contract Administrator; Participant loan processing | 1 | $63,857 |
Organisations paid $5,000 or more by any of these plans, from Schedule C. Individuals are not shown.
Questions and answers
How many retirement plans does Grinnell Mutual Reinsurance Company, Si have?
2 plans with 100 or more participants filed Form 5500 under its employer identification number for the latest plan years: Grinnell Mutual Savings and Investment Plan and Grinnell Mutual Retirement Plan. Smaller plans and plans filed under a subsidiary's number are not grouped here.
How much does Grinnell Mutual Reinsurance Company, Si contribute to its plans?
$4,670,371 in employer contributions across these plans in their latest plan years, about $5,853 per active participant record. Form 5500 reports totals and not the match or accrual formula.
Who provides services to these plans?
Schedule C filings name Principal Trust Company, USI Consulting Group and Principal Life Insurance Company. Only organisations paid $5,000 or more by a plan are listed on Schedule C.
Where does this come from?
Form 5500 annual reports filed with the Department of Labor's EFAST2 system, from the EBSA research files, with filings received through 24 Sep 2026. Figures are as filed and may be amended.
Provenance
Source: U.S. Department of Labor, Employee Benefits Security Administration, Form 5500 research files, public domain, with filings received through 24 Sep 2026. Plans are grouped by the sponsor's employer identification number exactly as filed; a company that files under several EINs appears as several employers. See the methodology and corrections.