401(k) · DOL Form 5500 · 2024

Constellium US Holdings I, LLC 401(k) Plan

Data updated 2026-08-25

$29M
Total assets Below avg plan size
566
Participants Below avg headcount
77th
Percentile by assets National rank
$51,175
Avg per participant Low balance/head
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Official DOL plan name: Constellium Muscle Shoals, LLC Plan for Union Employees · Sponsored by Constellium US Holdings I, LLC · Maryland · Manufacturing

$29M in assets, 566 participants

Constellium US Holdings I, LLC's Constellium Muscle Shoals, LLC Plan for Union Employees reported $29M in total assets and 566 participants in its 2024 DOL Form 5500 filing, ranking in the 77th 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.

  • #12,104 in Manufacturing (17,777 peers)

Where Constellium Muscle Shoals, LLC Plan for Union Employees sits by assets

Constellium Muscle Shoals, LLC Plan for Union Employees sits in the top quartile of all filed plans by assets, $29M for 566 participants (~$51,175/participant), up 8.1% in 2024.

#12,104
in Manufacturing (17,777 peers)
+8.1%
assets growth YoY
0.3×
vs typical plan assets (national mean)

Constellium Muscle Shoals, LLC Plan for Union Employees's outsized position by total assets

Constellium Muscle Shoals, LLC Plan for Union Employees vs every filed plan by assets

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

$28,964,992 Top 23% higher than 77% 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

Constellium Muscle Shoals, LLC Plan for Union Employees 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. Constellium Muscle Shoals, LLC Plan for Union Employees sits mid-pack in the medium band (566 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Constellium Muscle Shoals, LLC Plan for Union Employees reported net income fell from $3M in the plan year 2023 filing to $2M in the plan year 2024 filing.
  • Constellium Muscle Shoals, LLC Plan for Union Employees reported participants rose from 519 in the plan year 2023 filing to 566 in the plan year 2024 filing.
  • Constellium Muscle Shoals, LLC Plan for Union Employees end-of-year assets rose from $27M in the plan year 2023 filing to $29M in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 274126819 · Constellium US Holdings I, LLC PY 2024 · 401(k)

Constellium Muscle Shoals, LLC Plan for Union Employees · $29M · 566 · 77th

  • ASSETS $29M
  • PCT 566
  • EIN 77th
  • RANK 401(k)
  • PHOTO near Brennan Center for Justice 401(k) Profit Sharing Plan
  • IND ind #12104

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 Maryland →

Constellium Muscle Shoals, LLC Plan for Union Employees in the asset neighbourhood

Brennan Center for Justice 401(k) Profit Sharing PlanBrennan Center for Justice 4…$29MCrookham Company Profit Sharing PlanCrookham Company Profit Shar…$29MThe Darwill, Inc. Profit Sharing and Savings PlanThe Darwill, Inc. Profit Sha…$29MMcr 401(k) Plan$29MConstellium Muscle Shoals, LLC Plan for Union EmployeesConstellium Muscle Shoals, L…$29M
End-of-year total assets ($M) among Constellium Muscle Shoals, LLC Plan for Union Employees and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$27M
Net Assets (End of Year)$29M
Net Income$2M
Employer EIN274126819
Plan Effective Date1999-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Constellium US Holdings I, LLC)

Sponsor-wide plan assets over time

All Constellium US Holdings I, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$323M 1002.1398842672529% vs 2022
2024 filing year
$0M$100M$200M$300M$400M 202220232024 $29.3M $323M ▲ +1002.3%
Year Plans Participants Total Assets
2022 1 544 $29M
2023 4 2,151 $277M
2024 4 2,998 $323M

Nearby 401(k) Plans in Maryland

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Constellium Muscle Shoals, LLC Plan for Union Employees vs. nearby 401(k) plans in Maryland, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Constellium Muscle Shoals, LLC Plan for Union Employees, Total assets ($B): 0.028964992 · Participants: 566Constellium Muscle Shoals, LLC Plan for Union EmployeesLockheed Martin Corporation Salaried Savings Plan, Total assets ($B): 51.448624264 · Participants: 96812Lockheed Martin Corporation Salaried Savings PlanMarriott Retirement Savings Plan, Total assets ($B): 11.712016434 · Participants: 101417Marriott Retirement Savings PlanT. Rowe Price U.S. Retirement Program, Total assets ($B): 4.948487009 · Participants: 6639T. Rowe Price U.S. Retirement ProgramNfl Player Second Career Savings Plan, Total assets ($B): 4.08462816 · Participants: 2771Nfl Player Second Career Savings PlanLockheed Martin Corporation Performance Sharing Plan for Bargaining Employees, Total assets ($B): 2.987191008 · Participants: 18370Lockheed Martin Corporation Performance Sharing Plan for Bargaining Employees
Constellium Muscle Shoals, LLC Plan for Union Employees vs. nearby 401(k) plans in Maryland, assets vs. participants

Constellium Muscle Shoals, LLC Plan for Union Employees's out-of-state 401(k) peers by assets and headcount

Outside Maryland, the nearest 401(k) by assets is Brennan Center for Justice 401(k) Profit Sharing Plan in NY ($29M); by covered participants it is Trustile 401(k) Plan in CO (566 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($29M here).

Similar participant headcount

Nearest other-state filings by covered participants (566 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 Constellium Muscle Shoals, LLC Plan for Union Employees assets move in 2024?
Constellium Muscle Shoals, LLC Plan for Union Employees grew at a solid clip - up 8.1% during 2024, from $27M to $29M. Reported net income was $2M.
How have Constellium US Holdings I, LLC plan assets changed over time?
Across 3 plan years on file (2022-2024), Constellium US Holdings I, LLC's sponsor-wide assets grew 1002.1%, from $29M to $323M.
Where does Constellium Muscle Shoals, LLC Plan for Union Employees rank by assets among Form 5500 filers?
Constellium Muscle Shoals, LLC Plan for Union Employees ranks in the 77th 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 401(k) plans are similar in size to Constellium Muscle Shoals, LLC Plan for Union Employees?
Among 401(k) plans in other states, the closest by assets is Brennan Center for Justice 401(k) Profit Sharing Plan in NY ($29M, 156 participants).
Which 401(k) plans cover a similar participant headcount to Constellium Muscle Shoals, LLC Plan for Union Employees?
Among 401(k) plans in other states, the closest by covered participants is Trustile 401(k) Plan in CO (566 participants, N/A in assets).