401(k) · DOL Form 5500 · 2022
First Interstate Bancsystem, Inc. 401(k) Plan
Data updated 2026-08-11
- $426M
- Total assets
- 2,313
- Participants
- 98th
- Percentile by assets
- $184,083
- Avg per participant
Official DOL plan name: First Interstate Bancsystem, Inc. 401(k) Plan · Sponsored by First Interstate Bancsystem, Inc. · Montana · Finance & Insurance
$426M in assets, 2,313 participants
First Interstate Bancsystem, Inc.'s First Interstate Bancsystem, Inc. 401(k) Plan reported $426M in total assets and 2,313 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)
- #8,860 in Finance & Insurance (9,261 peers)
Coverage in Montana
First Interstate Bancsystem, Inc. 401(k) Plan covers 2,313 participants in Montana, 8.5x the typical Montana plan (state average ~271 per filing). Assets: $426M.
- $426M
- total plan assets (2022 EOY)
- 2,313
- covered participants
- 98th
- percentile by assets (of 139,126 plans)
- $184,083
- avg assets per participant
The plan reported a net loss of $99M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Participants vs Montana filers
In Montana, the average filing covers about 271 participants across 404 plans. First Interstate Bancsystem, Inc. 401(k) Plan reports 2,313 participants - 8.5x that state average ($426M EOY assets).
Montana filing particulars
| Total Assets (Beginning of Year) | $379M |
|---|---|
| Net Assets (End of Year) | $426M |
| Net Income | -$99M |
| Employer EIN | 810331430 |
| Plan Effective Date | 1983-07-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (First Interstate Bancsystem, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 2,313 | $426M |
| 2023 | 1 | 3,750 | $454M |
| 2024 | 1 | 3,530 | $482M |
Nearby 401(k) Plans in Montana
Peer 401(k) plans, same state, same plan type, ranked by total assets.
First Interstate Bancsystem, Inc. 401(k) Plan vs. nearby 401(k) plans in Montana, assets vs. participants
- D.a. Davidson Companies Retirement Savings and Profit Sharing Plan $422M · 1,507
- Glacier Bancorp, Inc. Profit Sharing and 401(k) Plan $412M · 3,272
- Northwestern Energy 401(k) Retirement Savings Plan $406M · 1,494
- Logan Health Retirement Savings Plan $359M · 4,055
- Washington Companies 401(k) Retirement Savings Plan $352M · 2,223
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to First Interstate Bancsystem, Inc. 401(k) Plan by total assets, not by location.
- Stmicroelectronics, Inc. 401(k) Savings Plan (TX) $426M · 774
- Danfoss USA Savings Plan (IA) $425M · 2,919
- Irvine Company Unified Savings Plan (CA) $426M · 3,272
- Ashley Furniture Industries, LLC Profit Sharing 401(k) Plan (WI) $427M · 18,756
Frequently Asked Questions
How did First Interstate Bancsystem, Inc. 401(k) Plan assets move in 2022? ▼
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Filing takeaways
Ways to act on First Interstate Bancsystem, Inc. 401(k) Plan's numbers.
- By total assets, First Interstate Bancsystem, Inc. 401(k) 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 Montana. Compare plans
- First Interstate Bancsystem, Inc.'s sponsor-wide assets have grown 13.1% since 2022 across 3 plan years on file. More Finance & Insurance plans