401(k) · DOL Form 5500 · 2024

Stillwater Mining Company 401(k) Plan

Data updated 2026-08-25

$276M
Total assets Near avg plan size
1,317
Participants Near avg headcount
95th
Percentile by assets National rank
$209,796
Avg per participant Above avg balance/head
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Official DOL plan name: Stillwater Mining Company Bargaining Unit 401(k) Plan · Sponsored by Stillwater Mining Company · Montana · Mining & Oil Extraction

$276M in assets, 1,317 participants

Stillwater Mining Company's Stillwater Mining Company Bargaining Unit 401(k) Plan reported $276M in total assets and 1,317 participants in its 2024 DOL Form 5500 filing, ranking in the 95th 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.

  • #719 in Mining & Oil Extraction (785 peers)

Coverage in Montana

Stillwater Mining Company Bargaining Unit 401(k) Plan covers 1,317 participants in Montana, 4.9x the typical Montana plan (state average ~271 per filing). Assets: $276M.

#719
in Mining & Oil Extraction (785 peers)
-1.3%
assets change YoY
2.8×
vs typical plan assets (national mean)

The plan reported a net loss of $995K for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

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

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

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

$276,301,384 Top 5% higher than 95% 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

Stillwater Mining Company Bargaining Unit 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Stillwater Mining Company Bargaining Unit 401(k) Plan lands in the large band (1,317 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Stillwater Mining Company Bargaining Unit 401(k) Plan reported net income fell from $29M in the plan year 2023 filing to -$995K in the plan year 2024 filing.
  • Stillwater Mining Company Bargaining Unit 401(k) Plan end-of-year assets fell from $280M in the plan year 2023 filing to $276M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 810480654 · Stillwater Mining Company PY 2024 · 401(k)

Stillwater Mining Company Bargaining Unit 401(k) Plan · $276M · 1,317 · 95th

  • BOY $276M
  • SCH 1,317
  • EBSA 95th
  • PART 401(k)
  • TYPE near Apex Tool Group, LLC 401(k) Savings Plan
  • NET ind #719

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 Bargaining Unit 401(k) Plan in the asset neighbourhood

Stillwater Mining Company Bargaining Unit 401(k) PlanStillwater Mining Company Ba…$276MApex Tool Group, LLC 401(k) Savings PlanApex Tool Group, LLC 401(k) …$276MLife Fitness, LLC 401(k) Savings PlanLife Fitness, LLC 401(k) Sav…$276MThe Geo Save 401(k) Plan$276MHaemonetics Corporation Savings Plus PlanHaemonetics Corporation Savi…$276M
End-of-year total assets ($M) among Stillwater Mining Company Bargaining Unit 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Montana filing particulars

Total Assets (Beginning of Year)$280M
Net Assets (End of Year)$276M
Net Income-$995K
Employer EIN810480654
Plan Effective Date1996-10-01
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 Bargaining Unit 401(k) Plan vs. nearby 401(k) plans in Montana, assets vs. participants Scatter plot of 6 data points. 10002000300040005000 200300400500600700 Total assets ($M) Participants Stillwater Mining Company Bargaining Unit 401(k) Plan, Total assets ($M): 276.301384 · Participants: 1317Stillwater Mining Company Bargaining Unit 401(k) PlanD.a. Davidson Companies Retirement Savings and Profit Sharing Plan, Total assets ($M): 622.672637 · Participants: 1619D.a. Davidson Companies Retirement Savings and Profit Sharing PlanGlacier Bancorp, Inc. Profit Sharing and 401(k) Plan, Total assets ($M): 537.940129 · Participants: 3215Glacier Bancorp, Inc. Profit Sharing and 401(k) PlanNorthwestern Energy 401(k) Retirement Savings Plan, Total assets ($M): 512.769387 · Participants: 1571Northwestern Energy 401(k) Retirement Savings PlanLogan Health Retirement Savings Plan, Total assets ($M): 500.352847 · Participants: 4288Logan Health Retirement Savings PlanFirst Interstate Bancsystem, Inc. 401(k) Plan, Total assets ($M): 481.734557 · Participants: 3530First Interstate Bancsystem, Inc. 401(k) Plan
Stillwater Mining Company Bargaining Unit 401(k) Plan vs. nearby 401(k) plans in Montana, assets vs. participants
Compare Stillwater Mining Company Bargaining Unit 401(k) Plan side-by-side with 3 peers →

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

Outside Montana, the nearest 401(k) by assets is Apex Tool Group, LLC 401(k) Savings Plan in MD ($276M); by covered participants it is Dawson Technical 401(k) Profit Sharing Plan & Trust in CO (1,317 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($276M here).

Similar participant headcount

Nearest other-state filings by covered participants (1,317 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 Stillwater Mining Company Bargaining Unit 401(k) Plan assets move in 2024? ▼
Stillwater Mining Company Bargaining Unit 401(k) Plan edged down modestly - down 1.3% during 2024, from $280M to $276M. Reported net income was -$995K.
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 Bargaining Unit 401(k) Plan rank by assets among Form 5500 filers? ▼
Stillwater Mining Company Bargaining Unit 401(k) Plan ranks in the 95th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Stillwater Mining Company Bargaining Unit 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Apex Tool Group, LLC 401(k) Savings Plan in MD ($276M, 1,178 participants).
Which 401(k) plans cover a similar participant headcount to Stillwater Mining Company Bargaining Unit 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Dawson Technical 401(k) Profit Sharing Plan & Trust in CO (1,317 participants, $45M 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 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.