401(k) · DOL Form 5500 · 2023

American Superconductor Corporation 401(k) Plan

Data updated 2026-08-25

$54M
Total assets Below avg plan size
314
Participants Below avg headcount
86th
Percentile by assets National rank
$171,483
Avg per participant Above avg balance/head
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Official DOL plan name: Amsc 401(k) Savings Plan · Sponsored by American Superconductor Corporation · Massachusetts · Manufacturing

$54M in assets, 314 participants

American Superconductor Corporation's Amsc 401(k) Savings Plan reported $54M in total assets and 314 participants in its 2023 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.

  • #14,990 in Manufacturing (18,722 peers)

Coverage in Massachusetts

Amsc 401(k) Savings Plan covers 314 participants in Massachusetts, about 48% of the average Massachusetts filer (state average ~659 per filing). Assets: $54M.

#14,990
in Manufacturing (18,722 peers)
+15.1%
assets growth YoY
0.5×
vs typical plan assets (national mean)

Amsc 401(k) Savings Plan's outsized position by total assets

Amsc 401(k) Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$53,845,664 Top 14% higher than 86% of 127,068 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 2023

Amsc 401(k) Savings Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Amsc 401(k) Savings Plan sits mid-pack in the medium band (314 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Amsc 401(k) Savings Plan reported net income rose from -$12M in the plan year 2022 filing to $7M in the plan year 2023 filing.
  • Amsc 401(k) Savings Plan reported participants rose from 188 in the plan year 2022 filing to 314 in the plan year 2023 filing.
  • Amsc 401(k) Savings Plan end-of-year assets rose from $47M in the plan year 2022 filing to $54M in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 042959321 · American Superconductor Corporation PY 2023 · 401(k)

Amsc 401(k) Savings Plan · $54M · 314 · 86th

  • ASSETS $54M
  • PCT 314
  • EIN 86th
  • RANK 401(k)
  • PHOTO near Pridgeon & Clay, Inc. 401(k) Retirement Savings Plan
  • IND ind #14990

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 Massachusetts →

Amsc 401(k) Savings Plan in the asset neighbourhood

Amsc 401(k) Savings Plan$54MPridgeon & Clay, Inc. 401(k) Retirement Savings PlanPridgeon & Clay, Inc. 401(k)…$54MFinnegan, Henderson, Farabow, Garrett & Dunner, L.L.P. 401(k) PlanFinnegan, Henderson, Farabow…$54MLikewize Corp. 401(k) Plan$54MZetron Retirement Plan$54M
End-of-year total assets ($M) among Amsc 401(k) Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$47M
Net Assets (End of Year)$54M
Net Income$7M
Employer EIN042959321
Plan Effective Date1992-03-01
Filing StatusFILING RECEIVED

Sponsor Plan History (American Superconductor Corporation)

Sponsor-wide plan assets over time

All American Superconductor Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$57M 21.3079514546321% vs 2022
2024 filing year
$45M$50M$55M$60M 202220232024 $46.8M $56.7M ▲ +21.3%
Year Plans Participants Total Assets
2022 1 188 $47M
2023 1 314 $54M
2024 1 293 $57M

Nearby 401(k) Plans in Massachusetts

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

Amsc 401(k) Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Amsc 401(k) Savings Plan, Total assets ($B): 0.053845664 · Participants: 314Amsc 401(k) Savings PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
Amsc 401(k) Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Amsc 401(k) Savings Plan side-by-side with 3 peers →

Amsc 401(k) Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Pridgeon & Clay, Inc. 401(k) Retirement Savings Plan in MI ($54M); by covered participants it is Bank of Ann Arbor Employees 401(k) Profit Sharing Plan in MI (314 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (314 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Amsc 401(k) Savings Plan assets move in 2023? ▼
Amsc 401(k) Savings Plan grew sharply - up 15.1% during 2023, from $47M to $54M. Reported net income was $7M.
How have American Superconductor Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), American Superconductor Corporation's sponsor-wide assets grew 21.3%, from $47M to $57M.
Where does Amsc 401(k) Savings Plan rank by assets among Form 5500 filers? ▼
Amsc 401(k) Savings Plan ranks in the 86th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Amsc 401(k) Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Pridgeon & Clay, Inc. 401(k) Retirement Savings Plan in MI ($54M, 722 participants).
Which 401(k) plans cover a similar participant headcount to Amsc 401(k) Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Bank of Ann Arbor Employees 401(k) Profit Sharing Plan in MI (314 participants, $57M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 042959321.

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.