Who Owns American Superconductor Corporation (AMSC)?Hedge Fund & Institutional Holders

$30.86+1.60 (+5.47%)IndustrialsNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

2.2953293605609477e+289%

QoQ Change in Holders

+11 / -4

Price History

$15.80$28.52$41.24$53.96$66.68Sep 24Jun 25Mar 26

AMSC — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
BAILLIE GIFFORD & CONew Position+1.5M+$43.4B
EMERALD ADVISERS, LLCNew Position+758K+$21.8B
EMERALD MUTUAL FUND ADVISERS TRUSTNew Position+435K+$12.5B
UBS Group AGIncreased+551K+$9.9B
CITADEL ADVISORS LLCIncreased+323K+$8.1B
Stephens Investment Management Group LLCNew Position+174K+$5.0B
Palisades Investment Partners, LLCNew Position+144K+$4.2B
BALYASNY ASSET MANAGEMENT L.P.New Position+153K+$4.0B
Y-Intercept (Hong Kong) LtdNew Position+120K+$3.0B
FMR LLCIncreased+24K+$3.0B
ExodusPoint Capital Management, LPNew Position+71K+$2.0B
NEW YORK STATE COMMON RETIREMENT FUNDNew Position+70K+$2.0B
CAMPBELL NEWMAN ASSET MANAGEMENT INCNew Position+63K+$1.8B
TWO SIGMA INVESTMENTS, LPIncreased+200K+$1.8B
PRINCIPAL FINANCIAL GROUP INCNew Position+59K+$1.7B

AMSC — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
DRIEHAUS CAPITAL MANAGEMENT LLCDecreased-719K-$58.0B
FULLER & THALER ASSET MANAGEMENT, INC.Closed Position-810K-$48.1B
GOLDMAN SACHS GROUP INCDecreased-392K-$47.7B
D. E. Shaw & Co., Inc.Decreased-310K-$32.7B
MACQUARIE GROUP LTDClosed Position-465K-$27.6B
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPDecreased-77K-$26.2B
WELLINGTON MANAGEMENT GROUP LLPClosed Position-399K-$23.7B
Telemark Asset Management, LLCDecreased-70K-$23.1B
RENAISSANCE TECHNOLOGIES LLCDecreased-184K-$15.2B
NORTHERN TRUST CORPDecreased-31K-$14.3B
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-719-$12.1B
AXIOM INVESTORS LLC /DEDecreased-131K-$11.9B
VOLORIDGE INVESTMENT MANAGEMENT, LLCDecreased-145K-$10.2B
WELLS FARGO & COMPANY/MNDecreased-84K-$9.9B
CASTLEARK MANAGEMENT LLCClosed Position-136K-$8.1B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Atreides Management, LP1,044,193$30.1B0.37%Share
2EMERALD ADVISERS, LLC757,568$21.8B0.67%Share
3FIRST TRUST ADVISORS LP682,967$19.0B0.01%Share
4ARROWSTREET CAPITAL, LIMITED PARTNERSHIP683,202$19.0B0.01%Share
5Telemark Asset Management, LLC619,900$17.8B1.78%Share
6BAILLIE GIFFORD & CO607,403$17.5B0.01%Share
7UBS Group AG595,090$17.1B0.00%Share
8Nuveen, LLC556,355$16.0B0.00%Share
9DRIEHAUS CAPITAL MANAGEMENT LLC499,984$14.4B0.10%Share
10DIMENSIONAL FUND ADVISORS LP493,708$14.0B0.00%Share
11EMERALD MUTUAL FUND ADVISERS TRUST435,246$12.5B0.61%Share
12BAILLIE GIFFORD & CO389,083$11.2B0.01%Share
13ROYCE & ASSOCIATES LP387,069$11.1B0.11%Share
14Nuveen, LLC385,097$11.0B0.00%Share
15GOLDMAN SACHS GROUP INC390,834$11.0B0.00%Share
16GOLDMAN SACHS GROUP INC391,453$11.0B0.00%Share
17CHARLES SCHWAB INVESTMENT MANAGEMENT INC387,507$11.0B0.00%Share
18Invesco Ltd.361,910$10.4B0.00%Share
19BAILLIE GIFFORD & CO350,413$10.1B0.01%Share
20D. E. Shaw & Co., Inc.353,251$10.0B0.01%Share
21TWO SIGMA INVESTMENTS, LP321,571$9.0B0.01%Share
22SUSQUEHANNA INTERNATIONAL GROUP, LLP340,000$9.0B0.00%Call
23NORTHERN TRUST CORP326,574$9.0B0.00%Share
24CITADEL ADVISORS LLC320,600$9.0B0.00%Call
25CITADEL ADVISORS LLC282,400$8.0B0.00%Put
26Legal & General Group Plc268,059$7.0B0.00%Share
27PANAGORA ASSET MANAGEMENT INC254,785$7.0B0.02%Share
28CITADEL ADVISORS LLC245,323$7.0B0.00%Share
29WELLS FARGO & COMPANY/MN210,000$6.0B0.00%Call
30Stephens Investment Management Group LLC174,228$5.0B0.07%Share
31IMC-Chicago, LLC167,300$4.8B0.00%Call
32BAILLIE GIFFORD & CO159,942$4.6B0.00%Share
33Palisades Investment Partners, LLC144,209$4.2B1.57%Share
34SUSQUEHANNA INTERNATIONAL GROUP, LLP156,800$4.0B0.00%Put
35AQR CAPITAL MANAGEMENT LLC143,518$4.0B0.00%Share
36RENAISSANCE TECHNOLOGIES LLC139,989$4.0B0.01%Share
37BALYASNY ASSET MANAGEMENT L.P.152,795$4.0B0.01%Share
38AXIOM INVESTORS LLC /DE134,076$3.9B0.03%Share
39ArrowMark Colorado Holdings LLC110,432$3.2B0.07%Share
40GROUP ONE TRADING LLC109,900$3.2B0.01%Call
41RAYMOND JAMES FINANCIAL INC108,087$3.0B0.00%Share
42FMR LLC123,176$3.0B0.00%Share
43BANK OF AMERICA CORP /DE/137,002$3.0B0.00%Share
44Y-Intercept (Hong Kong) Ltd120,251$3.0B0.07%Share
45Baird Financial Group, Inc.132,415$3.0B0.00%Share
46UBS Group AG89,288$2.6B0.00%Share
47Lumbard & Kellner, LLC71,161$2.0B0.72%Share
48CITADEL ADVISORS LLC92,390$2.0B0.00%Share
49ExodusPoint Capital Management, LP70,751$2.0B0.02%Share
50Point72 Asset Management, L.P.77,457$2.0B0.00%Share

AMSC Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025236$454.2B+37
Q3 2025199$1.0T+3
Q2 2025196$580.7B+5
Q1 2025191$411.5B+12
Q4 2024179$788.7B+33
Q3 2024146$6.3T+13
Q2 2024133$7.1T+20
Q1 2024113$237.2T—

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As of Q4 2025, 50 institutional investors hold AMSC (American Superconductor Corporation). The largest holder is Atreides Management, LP with $30.1B in shares. This quarter, 11 institutions opened new positions and 4 closed their positions.

Frequently Asked Questions

How many hedge funds own AMSC?

As of Q4 2025, 50 institutional investors report holding AMSC (American Superconductor Corporation) in their 13F filings.

Who is the largest institutional holder of AMSC?

The largest institutional holder of AMSC is Atreides Management, LP with $30.1B in shares.

Is institutional ownership of AMSC increasing or decreasing?

This quarter, 11 institutions opened new positions in AMSC and 4 closed their positions.