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AMSC

AMSC

American Superconductor Corporation

Institutional holders
281
As of Q2 2026
Total 13F value
$1.5B
Sum of disclosed positions
New positions
69
This quarter
Sold positions
32
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
BlackRock, Inc.

Blackrock, Inc.

$170M4.10M0.00%+2.8%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$84.4M2.03M0.00%-0.3%
BARROW HANLEY MEWHINNEY & STRAUSS LLC

Barrow Hanley Mewhinney & Strauss Llc

$70.7M1.70M0.14%+49.5%
UBS Group AG

Ubs Group Ag

$59.3M1.43M0.00%+138.3%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$58.9M1.42M0.00%-17.1%
STATE STREET CORP

State Street Corporation

$56.4M1.36M0.00%+7.7%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$53.7M1.29M0.00%+82.4%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$53M2.16M0.01%+3604.9%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$51.6M1.24M0.00%+6.3%
FIRST TRUST ADVISORS LP

First Trust Advisors Lp

$48.5M1.17M0.03%+50.1%
OBERWEIS ASSET MANAGEMENT INC/

Oberweis Asset Management Inc/

$41M987.5K0.85%+16.2%
AWM Investment Company, Inc.

Awm Investment Company, Inc.

$39.5M951.6K3.43%+18.7%
BAILLIE GIFFORD & CO

Baillie Gifford & Co

$38.7M933.3K0.02%-35.5%
EMERALD ADVISERS, LLC

Emerald Advisers, Llc

$35M844.0K0.82%+11.4%
Legal & General Group Plc

Legal & General Group Plc

$31.4M756.9K0.01%+42.8%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$26.8M646.0K0.00%-1.9%
MORGAN STANLEY

Morgan Stanley

$26.4M635.8K0.00%+0.3%
Nuveen, LLC

Nuveen, Llc

$26.1M628.4K0.00%-38.5%
Telemark Asset Management, LLC

Telemark Asset Management, Llc

$24.9M600.0K1.80%Unchanged
ROYCE & ASSOCIATES LP

Royce & Associates Lp

$23.1M555.8K0.19%+2.4%
EMERALD MUTUAL FUND ADVISERS TRUST

Emerald Mutual Fund Advisers Trust

$22.4M539.0K0.79%+22.8%
NORTHERN TRUST CORP

Northern Trust Corp

$18M433.8K0.00%+10.3%
Ranger Investment Management, L.P.

Ranger Investment Management, L.P.

$16.8M405.3K1.06%New Position
Stephens Investment Management Group LLC

Stephens Investment Management Group Llc

$16.7M402.8K0.18%+30.6%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$16.6M399.1K0.00%+3.6%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$16.6M399.1K0.00%New Position
PANAGORA ASSET MANAGEMENT INC

Panagora Asset Management Inc

$15.6M375.5K0.05%+46.5%
D. E. Shaw & Co., Inc.

D.E. Shaw & Co

$15.2M366.8K0.01%-35.4%
BNP PARIBAS FINANCIAL MARKETS

Bnp Paribas Arbitrage, Snc

$15.2M366.4K0.01%-16.1%
ALGERT GLOBAL LLC

Algert Global Llc

$14.7M353.8K0.17%-27.8%
PRICE T ROWE ASSOCIATES INC /MD/

Price T Rowe Associates Inc /Md/

$14.3M343.9K0.00%+486.7%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$14M337.9K0.00%+3.6%
T. Rowe Price Investment Management, Inc.

T. Rowe Price Investment Management, Inc.

$12.7M306.2K0.01%New Position
HRT FINANCIAL LP

Hrt Financial Lp

$12.4M298.4K0.02%New Position
Qube Research & Technologies Ltd

Qube Research & Technologies Ltd

$10.4M250.6K0.01%-23.9%
SUSQUEHANNA INTERNATIONAL GROUP, LLP

Susquehanna International Group, Llp

$9.8M235.2K0.00%+280.6%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Arrowstreet Capital, Limited Partnership

$9.6M230.9K0.00%-48.3%
ESSEX INVESTMENT MANAGEMENT CO LLC

Essex Investment Management Co Llc

$9.2M221.9K1.21%-2.5%
AQR CAPITAL MANAGEMENT LLC

Aqr Capital Management Llc

$8.1M194.5K0.00%+5.3%
Invesco Ltd.

Invesco Ltd.

$7.5M180.7K0.00%-25.0%
Russell Investments Group, Ltd.

Russell Investments Group, Ltd.

$7.1M171.8K0.00%+359.7%
JANE STREET GROUP, LLC

Jane Street Group, Llc

$7.1M170.3K0.00%New Position
MACKENZIE FINANCIAL CORP

Mackenzie Financial Corp

$6.8M164.4K0.01%+112.1%
ArrowMark Colorado Holdings LLC

Arrowmark Colorado Holdings Llc

$6.6M159.4K0.28%+17.7%
Baird Financial Group, Inc.

Baird Financial Group, Inc.

$6.5M157.2K0.01%-3.7%
Palisades Investment Partners, LLC

Palisades Investment Partners, Llc

$6.5M156.7K1.85%+2.7%
JPMORGAN CHASE & CO

Jpmorgan Chase

$6M149.5K0.00%New Position
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$6M144.0K0.00%+6.8%
Allspring Global Investments Holdings, LLC

Allspring Global Investments Holdings, Llc

$5.2M130.6K0.01%-12.7%
Cambridge Investment Research Advisors, Inc.

Cambridge Investment Research Advisors, Inc.

$5M121.1K0.01%+24.7%

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