401(k) · DOL Form 5500 · 2022
Principal Life Insurance Company 401(k) Plan
Data updated 2026-08-11
- $588M
- Total assets
- 5,330
- Participants
- 98th
- Percentile by assets
- $110,402
- Avg per participant
Official DOL plan name: Thrivewise Pooled Employer Plan · Sponsored by Principal Life Insurance Company · Iowa · Finance & Insurance
$588M in assets, 5,330 participants
Principal Life Insurance Company's Thrivewise Pooled Employer Plan reported $588M in total assets and 5,330 participants in its 2022 DOL Form 5500 filing, ranking in the 98th 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.
- 98th percentile by assets (of 139,126 plans)
- #8,945 in Finance & Insurance (9,261 peers)
Coverage in Iowa
Thrivewise Pooled Employer Plan covers 5,330 participants in Iowa, 8.8x the typical Iowa plan (state average ~609 per filing). Assets: $588M.
- $588M
- total plan assets (2022 EOY)
- 5,330
- covered participants
- 98th
- percentile by assets (of 139,126 plans)
- $110,402
- avg assets per participant
The plan reported a net loss of $66M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Participants vs Iowa filers
In Iowa, the average filing covers about 609 participants across 1,246 plans. Thrivewise Pooled Employer Plan reports 5,330 participants - 8.8x that state average ($588M EOY assets).
Iowa filing particulars
| Total Assets (Beginning of Year) | $270M |
|---|---|
| Net Assets (End of Year) | $588M |
| Net Income | -$66M |
| Employer EIN | 420127290 |
| Plan Effective Date | 2021-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Principal Life Insurance Company)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 41,384 | $742M |
| 2023 | 4 | 80,191 | $1.3B |
| 2024 | 3 | 129,388 | $1.7B |
Nearby 401(k) Plans in Iowa
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Thrivewise Pooled Employer Plan vs. nearby 401(k) plans in Iowa, assets vs. participants
- The Principal Select Savings Plan $3.6B · 12,201
- Iowa Health System Section 401(k) Retirement Savings Plan $2.7B · 28,603
- The Hy-Vee and Affiliates 401(k) Plan $2.4B · 59,826
- The Rsm US LLP Retirement Plan $2.3B · 13,793
- Transamerica 401(k) Retirement Savings Plan $2.1B · 7,262
Scale composition for Thrivewise Pooled Employer Plan
Thrivewise Pooled Employer Plan reports $588M in end-of-year assets across 5,330 participants (0.005% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.006% of 93,925,755 covered participants) - about $110,402 per participant (80% of the national average assets-per-participant) . Net income for plan year 2022 was -$66M.
This plan identity (EIN 420127290, plan #333) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $588M to $997M (+69.4%) while covered participants moved from 5,330 to 8,111 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 5,330 | $588M | This page |
| 2023 | 7,764 | $865M | Open filing |
| 2024 · index core | 8,111 | $997M | Open filing |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Thrivewise Pooled Employer Plan (401(k), $997M, 8,111 participants)
- Principal Ease 401(k) Plan (401(k), $651M, 121,032 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Thrivewise Pooled Employer Plan by total assets, not by location.
- Autoliv Asp, Inc. Employee Savings and Investment Plan (UT) $588M · 4,068
- Hanford Contractors Multi-Employer Savings Plan for Hamtc Represented Employees (WA) $588M · 3,625
- Mcleod Health 401(k) Plan (SC) $589M · 9,502
- Twitter, Inc. 401(k) Savings Plan (CA) $588M · 5,305
Frequently Asked Questions
How did Thrivewise Pooled Employer Plan assets move in 2022? ▼
How have Principal Life Insurance Company plan assets changed over time? ▼
Where does Thrivewise Pooled Employer Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Thrivewise Pooled Employer Plan? ▼
Next read for Thrivewise Pooled Employer Plan
Filing takeaways
Ways to act on Thrivewise Pooled Employer Plan's numbers.
- By total assets, Thrivewise Pooled Employer Plan ranks in the top 5% of all filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Iowa. Compare plans
- Principal Life Insurance Company's sponsor-wide assets have grown 130.3% since 2022 across 3 plan years on file. More Finance & Insurance plans