Defined Benefit (Pension) · DOL Form 5500 · 2022

Century Aluminum Company Pension Plan

Data updated 2026-08-25

$158M
Total assets Near avg plan size
516
Participants Below avg headcount
95th
Percentile by assets National rank
$306,869
Avg per participant High balance/head
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Official DOL plan name: Century Aluminum Consolidated Retirement Plan · Sponsored by Century Aluminum Company · Illinois · Manufacturing

$158M in assets, 516 participants

Century Aluminum Company's Century Aluminum Consolidated Retirement Plan reported $158M in total assets and 516 participants in its 2022 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.

  • #18,934 in Manufacturing (20,602 peers)

Where Century Aluminum Consolidated Retirement Plan sits by assets

Century Aluminum Consolidated Retirement Plan sits in the top 5% of all filed plans by assets, $158M for 516 participants (~$306,869/participant), down 32.5% in 2022.

#18,934
in Manufacturing (20,602 peers)
-32.5%
assets change YoY
1.6×
vs typical plan assets (national mean)

The plan reported a net loss of $76M 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 2022 · DOL Form 5500

$158,344,172 Top 5% higher than 95% 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

Century Aluminum Consolidated Retirement 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. Century Aluminum Consolidated Retirement Plan sits mid-pack in the medium band (516 participants).

Published 5500 schedule card

Filing strip 133070826 · Century Aluminum Company PY 2022 · Defined Benefit (Pension)

Century Aluminum Consolidated Retirement Plan · $158M · 516 · 95th

  • NET $158M
  • NET 516
  • NET 95th
  • NET Defined Benefit (Pension)
  • NET near Ingram Retirement Plan
  • NET ind #18934

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

Cnh Industrial U.S. Pension PlanCnh Industrial U.S. Pension …$158MIngram Retirement Plan$158MCentury Aluminum Consolidated Retirement PlanCentury Aluminum Consolidate…$158MRetirement Plan for Employees of Cullen/Frost Bankers, Inc. & Its AffiliatesRetirement Plan for Employee…$158MI.B.E.W. Local 769 Management Pension Plan aI.B.E.W. Local 769 Managemen…$158M
End-of-year total assets ($M) among Century Aluminum Consolidated Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$234M
Net Assets (End of Year)$158M
Net Income-$76M
Employer EIN133070826
Plan Effective Date1989-02-07
Filing StatusFILING 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
$270M$280M$290M$300M$310M 202220232024 $274M $305M ▲ +11.4%
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 Scatter plot of 6 data points. -200000200004000060000 -1001020304050 Total assets ($B) Participants Century Aluminum Consolidated Retirement Plan, Total assets ($B): 0.158344172 · Participants: 516Century Aluminum Consolidated Retirement PlanCentral States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 42.629770802 · Participants: 50096Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 32.129102809 · Participants: 49052State Farm Insurance Companies Retirement Plan for United States EmployeesUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 7.958716532 · Participants: 20170United Food & Commercial Workers Intl Union - Industry Pension FundJohn Deere Pension Plan for Salaried Employees, Total assets ($B): 7.304502684 · Participants: 0John Deere Pension Plan for Salaried EmployeesAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 6.770339506 · Participants: 16809Abbott Laboratories Annuity Retirement Plan
Century Aluminum Consolidated Retirement Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants
Compare Century Aluminum Consolidated Retirement Plan side-by-side with 3 peers →

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 Ingram Retirement Plan in TN ($158M); by covered participants it is Peacehealth Swhs Frozen DB Pension Plan I in WA (516 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (516 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 Century Aluminum Consolidated Retirement Plan assets move in 2022? ▼
Century Aluminum Consolidated Retirement Plan contracted severely - down 32.5% during 2022, from $234M to $158M. Reported net income was -$76M.
How have Century Aluminum Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Century Aluminum Company's sponsor-wide assets grew 11.4%, from $274M to $305M.
Where does Century Aluminum Consolidated Retirement Plan rank by assets among Form 5500 filers? ▼
Century Aluminum Consolidated Retirement Plan ranks in the 95th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Century Aluminum Consolidated Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Ingram Retirement Plan in TN ($158M, 1,012 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Century Aluminum Consolidated Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Peacehealth Swhs Frozen DB Pension Plan I in WA (516 participants, N/A 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 133070826.

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.