Defined Benefit (Pension) · DOL Form 5500 · 2024
Century Aluminum Company Pension Plan
Data updated 2026-08-25
- $156M
- Total assets Near avg plan size
- 465
- Participants Below avg headcount
- 93rd
- Percentile by assets National rank
- $334,680
- Avg per participant High balance/head
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.
- #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.
- #15,942
- in Manufacturing (17,777 peers)
- -3.8%
- assets change YoY
- 1.6×
- vs typical plan assets (national mean)
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.
Century Aluminum Consolidated Retirement Plan's outsized position by total assets
Century Aluminum Consolidated Retirement Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$155,626,202 Top 7% higher than 93% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Century Aluminum Consolidated Retirement Plan among mid-size filed plans by headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Century Aluminum Consolidated Retirement Plan sits mid-pack in the medium band (465 participants).
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.
EBSA filing schedule strip
Filing strip 133070826 · Century Aluminum Company PY 2024 · Defined Benefit (Pension)
Century Aluminum Consolidated Retirement Plan · $156M · 465 · 93rd
- RANK $156M
- PHOTO 465
- IND 93rd
- EOY Defined Benefit (Pension)
- 5500 near Cenveo Worldwide Limited Pension Plan
- ASSETS ind #15942
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 Manufacturing retirement plans → · Plans in Illinois →
Century Aluminum Consolidated Retirement Plan in the asset neighbourhood
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)
Sponsor-wide plan assets over time
All Century Aluminum Company plans reported in each filing year
- Latest sponsor-wide plan assets
- $305M 11.384756334413273% vs 2022
- 2024 filing year
| 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.
- 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
Century Aluminum Consolidated Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount
Outside Illinois, the nearest Defined Benefit (Pension) by assets is Cenveo Worldwide Limited Pension Plan in CT ($156M); by covered participants it is Cincinnati Financial Corporation Retirement Plan in OH (465 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($156M here).
- 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
Similar participant headcount
Nearest other-state filings by covered participants (465 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.