401(k) · DOL Form 5500 · 2022

Stillwater Mining Company 401(k) Plan

Data updated 2026-08-25

$135M
Total assets Near avg plan size
539
Participants Below avg headcount
94th
Percentile by assets National rank
$250,785
Avg per participant Above avg balance/head
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Official DOL plan name: Stillwater Mining Company 401(k) Plan · Sponsored by Stillwater Mining Company · Montana · Mining & Oil Extraction

$135M in assets, 539 participants

Stillwater Mining Company's Stillwater Mining Company 401(k) Plan reported $135M in total assets and 539 participants in its 2022 DOL Form 5500 filing, ranking in the 94th 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.

  • #788 in Mining & Oil Extraction (892 peers)

Where Stillwater Mining Company 401(k) Plan sits by assets

Stillwater Mining Company 401(k) Plan sits in the top 10% of all filed plans by assets, $135M for 539 participants (~$250,785/participant), down 14.2% in 2022.

#788
in Mining & Oil Extraction (892 peers)
-14.2%
assets change YoY
1.4×
vs typical plan assets (national mean)

The plan reported a net loss of $23M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Stillwater Mining Company 401(k) Plan's outsized position by total assets

Stillwater Mining Company 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$135,172,982 Top 6% higher than 94% of 139,123 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 2022

Stillwater Mining Company 401(k) Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Stillwater Mining Company 401(k) Plan sits mid-pack in the medium band (539 participants).

EBSA filing schedule strip

Filing strip 810480654 · Stillwater Mining Company PY 2022 · 401(k)

Stillwater Mining Company 401(k) Plan · $135M · 539 · 94th

  • VS-ST $135M
  • VS-ST 539
  • VS-ST 94th
  • VS-ST 401(k)
  • VS-ST near J & J Snack Foods Corp. 401(k) Profit Sharing Plan
  • VS-ST ind #788

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 Mining & Oil Extraction retirement plans → · Plans in Montana →

Stillwater Mining Company 401(k) Plan in the asset neighbourhood

Stoll Keenon Ogden Profit Sharing PlanStoll Keenon Ogden Profit Sh…$135MJ & J Snack Foods Corp. 401(k) Profit Sharing PlanJ & J Snack Foods Corp. 401(…$135MStillwater Mining Company 401(k) PlanStillwater Mining Company 40…$135MFci and Calandra Group 401(k) & Profit Sharing PlanFci and Calandra Group 401(k…$135MGreen Bay Electrical Workers Pension PlanGreen Bay Electrical Workers…$135M
End-of-year total assets ($M) among Stillwater Mining Company 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$157M
Net Assets (End of Year)$135M
Net Income-$23M
Employer EIN810480654
Plan Effective Date1993-06-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Stillwater Mining Company)

Sponsor-wide plan assets over time

All Stillwater Mining Company plans reported in each filing year

Latest sponsor-wide plan assets
$431M 9.989406155149915% vs 2022
2024 filing year
$380M$400M$420M$440M$460M 202220232024 $392M $431M ▲ +10.0%
Year Plans Participants Total Assets
2022 2 1,975 $392M
2023 2 1,826 $436M
2024 2 1,810 $431M

Nearby 401(k) Plans in Montana

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

Stillwater Mining Company 401(k) Plan vs. nearby 401(k) plans in Montana, assets vs. participants Scatter plot of 6 data points. 010002000300040005000 100200300400500 Total assets ($M) Participants Stillwater Mining Company 401(k) Plan, Total assets ($M): 135.172982 · Participants: 539Stillwater Mining Company 401(k) PlanFirst Interstate Bancsystem, Inc. 401(k) Plan, Total assets ($M): 425.784366 · Participants: 2313First Interstate Bancsystem, Inc. 401(k) PlanD.a. Davidson Companies Retirement Savings and Profit Sharing Plan, Total assets ($M): 421.705773 · Participants: 1507D.a. Davidson Companies Retirement Savings and Profit Sharing PlanGlacier Bancorp, Inc. Profit Sharing and 401(k) Plan, Total assets ($M): 412.377455 · Participants: 3272Glacier Bancorp, Inc. Profit Sharing and 401(k) PlanNorthwestern Energy 401(k) Retirement Savings Plan, Total assets ($M): 405.510912 · Participants: 1494Northwestern Energy 401(k) Retirement Savings PlanLogan Health Retirement Savings Plan, Total assets ($M): 358.733064 · Participants: 4055Logan Health Retirement Savings Plan
Stillwater Mining Company 401(k) Plan vs. nearby 401(k) plans in Montana, assets vs. participants
Compare Stillwater Mining Company 401(k) Plan side-by-side with 3 peers →

Stillwater Mining Company 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Montana, the nearest 401(k) by assets is J & J Snack Foods Corp. 401(k) Profit Sharing Plan in NJ ($135M); by covered participants it is Rukel Management, LLC 401(k) Profit Sharing Plan in IL (539 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (539 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Stillwater Mining Company 401(k) Plan assets move in 2022? ▼
Stillwater Mining Company 401(k) Plan pulled back noticeably - down 14.2% during 2022, from $157M to $135M. Reported net income was -$23M.
How have Stillwater Mining Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Stillwater Mining Company's sponsor-wide assets grew 10.0%, from $392M to $431M.
Where does Stillwater Mining Company 401(k) Plan rank by assets among Form 5500 filers? ▼
Stillwater Mining Company 401(k) Plan ranks in the 94th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Stillwater Mining Company 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is J & J Snack Foods Corp. 401(k) Profit Sharing Plan in NJ ($135M, 3,237 participants).
Which 401(k) plans cover a similar participant headcount to Stillwater Mining Company 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Rukel Management, LLC 401(k) Profit Sharing Plan in IL (539 participants, $11M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 810480654.

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.