Defined Benefit (Pension) · DOL Form 5500 · 2024

Century Aluminum Sebree Pension Plan

Data updated 2026-08-25

$62M
Total assets Below avg plan size
531
Participants Below avg headcount
86th
Percentile by assets National rank
$116,332
Avg per participant Below avg balance/head
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Official DOL plan name: Century Aluminum Sebree Hourly Pension Plan · Sponsored by Century Aluminum Sebree · Illinois · Manufacturing

$62M in assets, 531 participants

Century Aluminum Sebree's Century Aluminum Sebree Hourly Pension Plan reported $62M in total assets and 531 participants in its 2024 DOL Form 5500 filing, ranking in the 86th 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.

  • #14,287 in Manufacturing (17,777 peers)

Where Century Aluminum Sebree Hourly Pension Plan sits by assets

Century Aluminum Sebree Hourly Pension Plan sits in the top quartile of all filed plans by assets, $62M for 531 participants (~$116,332/participant), down 2.5% in 2024.

#14,287
in Manufacturing (17,777 peers)
-2.5%
assets change YoY
0.6×
vs typical plan assets (national mean)

The plan reported a net loss of $2M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Century Aluminum Sebree Hourly Pension Plan's outsized position by total assets

Century Aluminum Sebree Hourly Pension Plan vs every filed plan by assets

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

$61,772,173 Top 14% higher than 86% 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

Century Aluminum Sebree Hourly Pension 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 Sebree Hourly Pension Plan sits mid-pack in the medium band (531 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Century Aluminum Sebree Hourly Pension Plan reported net income fell from $548K in the plan year 2023 filing to -$2M in the plan year 2024 filing.
  • Century Aluminum Sebree Hourly Pension Plan reported participants rose from 512 in the plan year 2023 filing to 531 in the plan year 2024 filing.
  • Century Aluminum Sebree Hourly Pension Plan end-of-year assets fell from $63M in the plan year 2023 filing to $62M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 462657599 · Century Aluminum Sebree PY 2024 · Defined Benefit (Pension)

Century Aluminum Sebree Hourly Pension Plan · $62M · 531 · 86th

  • EOY $62M
  • EOY 531
  • EOY 86th
  • EOY Defined Benefit (Pension)
  • EOY near Flint Area Sheet Metal Workers Local 7-4 Pension Fund
  • EOY ind #14287

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 Sebree Hourly Pension Plan in the asset neighbourhood

Flint Area Sheet Metal Workers Local 7-4 Pension FundFlint Area Sheet Metal Worke…$62MCentury Aluminum Sebree Hourly Pension PlanCentury Aluminum Sebree Hour…$62MAmerican Legion Retirement Plan for Employees of the National Headquarters & Subordinate Groups ThereofAmerican Legion Retirement P…$62MThe Woodbridge Group U.S. Salaried Employees' Pension PlanThe Woodbridge Group U.S. Sa…$62MHickory Springs Retirement PlanHickory Springs Retirement P…$62M
End-of-year total assets ($M) among Century Aluminum Sebree Hourly Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$63M
Net Assets (End of Year)$62M
Net Income-$2M
Employer EIN462657599
Plan Effective Date1973-12-31
Filing StatusFILING RECEIVED

Sponsor Plan History (Century Aluminum Sebree)

Sponsor-wide plan assets over time

All Century Aluminum Sebree plans reported in each filing year

Latest sponsor-wide plan assets
$62M 1.6555264728453427% vs 2022
2024 filing year
$61.5M$62M$62.5M$63M$63.5M$64M 202220232024 $62.8M $61.8M ▼ -1.7%
Year Plans Participants Total Assets
2022 1 533 $63M
2023 1 512 $63M
2024 1 531 $62M

Nearby Defined Benefit (Pension) Plans in Illinois

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Century Aluminum Sebree Hourly Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000001000020000300004000050000 -200204060 Total assets ($B) Participants Century Aluminum Sebree Hourly Pension Plan, Total assets ($B): 0.061772173 · Participants: 531Century Aluminum Sebree Hourly Pension PlanCentral States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 48.22071058 · Participants: 36799Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 37.736369487 · Participants: 41619State Farm Insurance Companies Retirement Plan for United States EmployeesGE Healthcare Pension Plan, Total assets ($B): 13.74052931 · Participants: 5554GE Healthcare Pension PlanAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 8.591907247 · Participants: 17875Abbott Laboratories Annuity Retirement PlanUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 8.17675965 · Participants: 20984United Food & Commercial Workers Intl Union - Industry Pension Fund
Century Aluminum Sebree Hourly Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants

Century Aluminum Sebree Hourly Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Illinois, the nearest Defined Benefit (Pension) by assets is Flint Area Sheet Metal Workers Local 7-4 Pension Fund in MI ($62M); by covered participants it is Pension Plan for Employees of Amphenol Corporation in CT (531 participants). Same-state nearby plans are listed separately above.

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 Century Aluminum Sebree Hourly Pension Plan assets move in 2024?
Century Aluminum Sebree Hourly Pension Plan edged down modestly - down 2.5% during 2024, from $63M to $62M. Reported net income was -$2M.
How have Century Aluminum Sebree plan assets changed over time?
Across 3 plan years on file (2022-2024), Century Aluminum Sebree's sponsor-wide assets declined 1.7%, from $63M to $62M.
Where does Century Aluminum Sebree Hourly Pension Plan rank by assets among Form 5500 filers?
Century Aluminum Sebree Hourly Pension Plan ranks in the 86th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Century Aluminum Sebree Hourly Pension Plan?
Among Defined Benefit (Pension) plans in other states, the closest by assets is Flint Area Sheet Metal Workers Local 7-4 Pension Fund in MI ($62M, 210 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Century Aluminum Sebree Hourly Pension Plan?
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Pension Plan for Employees of Amphenol Corporation in CT (531 participants, $335M in assets).