Defined Benefit (Pension) · DOL Form 5500 · 2024
Century Aluminum Company Pension Plan
Data updated 2026-08-11
- $156M
- Total assets
- 465
- Participants
- 93rd
- Percentile by assets
- $334,680
- Avg per participant
Official DOL plan name: Century Aluminum Consolidated Retirement Plan · Sponsored by Century Aluminum Company · Illinois · Manufacturing
$156M in assets, 465 participants
Century Aluminum Company's Century Aluminum Consolidated Retirement Plan reported $156M in total assets and 465 participants in its 2024 DOL Form 5500 filing, ranking in the 93rd 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.
- 93rd percentile by assets (of 123,622 plans)
- #15,942 in Manufacturing (17,777 peers)
Where Century Aluminum Consolidated Retirement Plan sits by assets
Century Aluminum Consolidated Retirement Plan sits in the top 10% of all filed plans by assets, $156M for 465 participants (~$334,680/participant), down 3.8% in 2024.
- $156M
- total plan assets (2024 EOY)
- 465
- covered participants
- 93rd
- percentile by assets (of 123,622 plans)
- $334,680
- avg assets per participant
The plan reported a net loss of $6M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Century Aluminum Consolidated Retirement Plan reported net income fell from $3M in the plan year 2023 filing to -$6M in the plan year 2024 filing.
- Century Aluminum Consolidated Retirement Plan end-of-year assets fell from $162M in the plan year 2023 filing to $156M in the plan year 2024 filing.
- Century Aluminum Consolidated Retirement Plan reported participants fell from 477 in the plan year 2023 filing to 465 in the plan year 2024 filing.
Century Aluminum Consolidated Retirement Plan vs the 2024 asset distribution
By assets, Century Aluminum Consolidated Retirement Plan outranks 93% of the 123,622 plans that filed a Form 5500 for the 2024 plan year, and holds roughly 1.6x the national average plan size of $100M (721 average participants).
Scale-class filing particulars (2024)
| Total Assets (Beginning of Year) | $162M |
|---|---|
| Net Assets (End of Year) | $156M |
| Net Income | -$6M |
| Employer EIN | 133070826 |
| Plan Effective Date | 1989-02-07 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Century Aluminum Company)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 2,495 | $274M |
| 2023 | 2 | 1,900 | $295M |
| 2024 | 2 | 1,883 | $305M |
Nearby Defined Benefit (Pension) Plans in Illinois
Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.
Century Aluminum Consolidated Retirement Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants
- Central States, Southeast & Southwest Areas Pension Plan $48.2B · 36,799
- State Farm Insurance Companies Retirement Plan for United States Employees $37.7B · 41,619
- GE Healthcare Pension Plan $13.7B · 5,554
- Abbott Laboratories Annuity Retirement Plan $8.6B · 17,875
- United Food & Commercial Workers Intl Union - Industry Pension Fund $8.2B · 20,984
Similar-Sized Defined Benefit (Pension) Plans Nationally
Defined Benefit (Pension) plans in other states closest to Century Aluminum Consolidated Retirement Plan by total assets, not by location.
- Cenveo Worldwide Limited Pension Plan (CT) $156M · 191
- Employees' Retirement Plan of Stihl, Incorporated (VA) $155M · 2,655
- Pension Fund of Heat and Frost Insulators Local 12 (NY) $155M · 413
- The Bausch & Lomb Retirement Benefits Plan (NJ) $155M · 602
Frequently Asked Questions
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Next read for Century Aluminum Consolidated Retirement…
Scale reading
Ways to act on Century Aluminum Consolidated Retirement Plan's numbers.
- By total assets, Century Aluminum Consolidated Retirement Plan ranks in the top 10% of all filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in Illinois. Compare plans
- Century Aluminum Company's sponsor-wide assets have grown 11.4% since 2022 across 3 plan years on file. More Manufacturing plans