American Superconductor

AMSC • NASDAQ

American Superconductor is a industrial - machinery company in the industrials sector on NASDAQ, led by Daniel P. McGahn, with a market cap of $1.5B. As of Q3 2025, 72% of shares are held by 269 institutional investors, with BlackRock, Inc. as the largest holder at 8.04%.

Chief Executive OfficerDaniel P. McGahn

Market Cap$1.5B

Industrial - Machinery

Industrials

Employees337.0

Websiteamsc.com

Country

United States of America

Overview

Overview of institutional ownership in AMSC as of Q3 2025 with a market cap of $2.7B

All Institutions

Institutions: 269
Value Held: $1.9B
Shares Held: 32.7M
Avg Position: $7.2M
Median Position: $956.8K

Hedge Funds

Hedge Funds: 38
Value Held: $390.2M
Shares Held: 6.6M
Avg Position: $10.3M
Median Position: $3.5M

Ownership Breakdown

Institutional (non-HF)

57.82%

$1.6B

Hedge Funds

14.55%

$390.2M

Retail & Other

27.63%

$741.2M

Based on market cap of $2.7B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in AMSC as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$215.5M 0.00% of portfolio	8.04% 3.6M shares	Q2 2016 Held for 9y 5m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$175.2M 0.00% of portfolio	6.53% 2.9M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BAILLIE GIFFORD & CO Institution	-	$84.8M 0.06% of portfolio	3.16% 1.4M shares	Q3 2020 Held for 5y 2m	$134.80B
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	Stephen Thomas Weber CEO	$72.4M 0.52% of portfolio	2.70% 1.2M shares	Q1 2024 Held for 1y 8m	$13.9B
GOLDMAN SACHS GROUP INC Institution	David M. Solomon CEO	$69.7M 0.01% of portfolio	2.60% 1.2M shares	Q2 2017 Held for 8y 5m	$691.34B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$67.5M 0.00% of portfolio	2.52% 1.1M shares	Q2 2019 Held for 6y 5m	$2.88T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$63.5M 0.00% of portfolio	2.37% 1.1M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
N Nuveen, LLC Institution	-	$49.1M 0.01% of portfolio	1.83% 826.2K shares	Q1 2025 Held for 8 months	$377.89B
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	Raife Brandon Giovinazzo Managing Partner	$48.1M 0.16% of portfolio	1.79% 809.9K shares	Q3 2025 Held for 2 months	$29.4B
Atreides Management, LP Hedge Fund•Long/Short	Gavin Seth Baker CIO	$45.8M 1.22% of portfolio	1.71% 771.5K shares	Q1 2025 Held for 8 months	$3.8B

Net Capital Flow

Institutional buying and selling activity for AMSC in Q3 2025

Traded: +$117.5M
Buyers: 168
Sellers: 103
Total Bought: +$422.3M
Total Sold: −$304.8M
Avg Position: $6.5M

Biggest Buyers

Institution	Net Bought	Current Position
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	+$48.1M +809.9K shares	$48.1M 809.9K shares
D D. E. Shaw & Co., Inc. Institution	+$36.8M +619.1K shares	$44.7M 752.7K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$31.1M +524.1K shares	$45.2M 760.5K shares
VANGUARD GROUP INC Institution	+$29.9M +502.8K shares	$175.2M 2.9M shares
DRIEHAUS CAPITAL MANAGEMENT LLC Hedge Fund•Event Driven	+$22.5M +379.1K shares	$72.4M 1.2M shares
PRICE T ROWE ASSOCIATES INC /MD/ Long Only Manager	+$21.9M +368.5K shares	$23.5M 396.3K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$19.2M +324.0K shares	$19.2M 324.0K shares
A AXIOM INTERNATIONAL INVESTORS LLC /DE Long Only Manager	+$15.7M +264.7K shares	$15.7M 264.7K shares
B BlackRock, Inc. Institution	+$12.4M +209.3K shares	$215.5M 3.6M shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	+$10.2M +171.6K shares	$10.2M 171.6K shares

Biggest Sellers

Institution	Net Sold	Current Position
A AWM Investment Company, Inc. Hedge Fund•Event Driven	−$48.3M −813.0K shares	$44.3M 745.5K shares
Hood River Capital Management LLC Long Only Manager	−$42.9M −1.2M shares	Sold Off 0 shares
R ROYCE & ASSOCIATES LLC Institution	−$27.0M −454.2K shares	$21.2M 357.6K shares
M MACQUARIE GROUP LTD Institution	−$21.2M −357.0K shares	$27.6M 465.2K shares
Atreides Management, LP Hedge Fund•Long/Short	−$19.8M −333.0K shares	$45.8M 771.5K shares
MORGAN STANLEY RIA/Wealth	−$13.9M −234.6K shares	$19.9M 335.8K shares
H HEIGHTS CAPITAL MANAGEMENT, INC Institution	−$12.5M −340.1K shares	Sold Off 0 shares
N Nuveen, LLC Institution	−$10.2M −171.8K shares	$49.1M 826.2K shares
L LEGAL & GENERAL GROUP PLC Institution	−$9.4M −157.5K shares	$15.4M 259.6K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$7.7M −129.3K shares	$7.3M 122.5K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited AMSC in Q3 2025

New Positions: 46
New Value: $98.1M
Exited Positions: 28
Exited Value: $78.3M

New Positions

Institution	Position Value
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	$48.1M 809.9K shares
A AXIOM INTERNATIONAL INVESTORS LLC /DE Long Only Manager	$15.7M 264.7K shares
NEXT CENTURY GROWTH INVESTORS LLC Long Only Manager	$7.6M 128.2K shares
Meridian Wealth Management, LLC RIA/Wealth	$5.4M 91.1K shares
Stephens Investment Management Group LLC Long Only Manager	$4.0M 67.9K shares
PRINCIPAL FINANCIAL GROUP INC Institution	$2.3M 39.4K shares
H HWG Holdings LP Institution	$2.1M 35.5K shares
C Colony Group, LLC Institution	$1.9M 32.9K shares
C CREDIT AGRICOLE S A Institution	$1.3M 21.5K shares
Traynor Capital Management, Inc. RIA/Wealth	$974.6K 16.4K shares

Exited Positions

Institution	Previous Position
Hood River Capital Management LLC Long Only Manager	$42.9M 1.2M shares
H HEIGHTS CAPITAL MANAGEMENT, INC Institution	$12.5M 340.1K shares
Trexquant Investment LP Hedge Fund•Quant	$5.9M 159.5K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$2.8M 75.3K shares
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	$2.7M 74.4K shares
Centiva Capital, LP Hedge Fund•Multi-Strategy	$2.1M 56.9K shares
O OPTIONS SOLUTIONS, LLC Hedge Fund•Sector	$1.7M 47.2K shares
X XTX Topco Ltd Institution	$1.5M 42.2K shares
N NKCFO LLC RIA/Wealth	$770.5K 21.0K shares
COOKSON PEIRCE & CO INC RIA/Wealth	$733.8K 20.0K shares

Options Activity

Institutions with the largest Call and Put options positions in AMSC as of Q3 2025

Call Positions: 13
Call Value: $64.3M
Put Positions: 13
Put Value: $39.9M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$17.8M 3.0K contracts
P PEAK6 LLC Institution	$10.1M 1.7K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$9.5M 1.6K contracts
W WOLVERINE TRADING, LLC Institution	$8.5M 1.4K contracts
D D. E. Shaw & Co., Inc. Institution	$5.5M 934.0 contracts
J JANE STREET GROUP, LLC Institution	$4.9M 827.0 contracts
P Parallax Volatility Advisers, LLC Hedge Fund•Vol Arbitrage	$1.6M 275.0 contracts
C Cubist Systematic Strategies, LLC Institution	$1.6M 269.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$1.4M 238.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$1.4M 234.0 contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$12.9M 2.2K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$10.2M 1.7K contracts
W WOLVERINE TRADING, LLC Institution	$6.2M 1.0K contracts
J JANE STREET GROUP, LLC Institution	$4.7M 796.0 contracts
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$1.8M 307.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$1.3M 226.0 contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$914.6K 154.0 contracts
Walleye Trading LLC RIA/Wealth	$671.1K 113.0 contracts
C Cubist Systematic Strategies, LLC Institution	$457.3K 77.0 contracts
S Squarepoint Ops LLC Hedge Fund•Quant	$451.4K 76.0 contracts

Most Committed Institutions

Institutions with AMSC as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
A AWM Investment Company, Inc. Hedge Fund•Event Driven	David Michael Greenhouse President	4.15% $44.3M	1.65% 745.5K shares	Q2 2015 Held for 10y 5m	$1.1B
Andrew Hill Investment Advisors, Inc. RIA/Wealth	Andrew D.W. Hill President	4.11% $5.3M	0.20% 88.9K shares	Q1 2024 Held for 1y 8m	$128.5M
T Telemark Asset Management, LLC Hedge Fund•Long/Short	Colin Mcnay President	3.89% $41.0M	1.53% 690.0K shares	Q1 2024 Held for 1y 8m	$1.1B
Palisades Investment Partners, LLC RIA/Wealth	Quinn R. Stills Managing Partner	3.29% $8.4M	0.31% 141.1K shares	Q2 2024 Held for 1y 5m	$254.6M
ESSEX INVESTMENT MANAGEMENT CO LLC Long Only Manager	Nancy Beth Prial CEO	2.24% $14.6M	0.54% 245.6K shares	Q3 2023 Held for 2y 2m	$652.5M
AH Lisanti Capital Growth, LLC Long Only Manager	Mary Lisanti President	1.71% $7.0M	0.26% 118.2K shares	Q2 2025 Held for 5 months	$410.1M
Lumbard Investment Counseling, LLC RIA/Wealth	John Ashmore Lumbard Manager	1.58% $4.3M	0.16% 72.4K shares	Q2 2025 Held for 5 months	$271.9M
OBERWEIS ASSET MANAGEMENT INC/ Long Only Manager	James Walter Oberweis President	1.52% $39.5M	1.47% 665.7K shares	Q4 2023 Held for 1y 11m	$2.6B
Atreides Management, LP Hedge Fund•Long/Short	Gavin Seth Baker CIO	1.22% $45.8M	1.71% 771.5K shares	Q1 2025 Held for 8 months	$3.8B
Virtus ETF Advisers LLC Long Only Manager	Richard William Smirl President	1.04% $1.5M	0.06% 26.0K shares	Q2 2025 Held for 5 months	$148.9M

Hedge Fund Spotlight

Discover hedge funds investing in AMSC

CAPITAL FUND MANAGEMENT S.A.

Hedge Fund • Quant Macro

Portfolio ManagerJacques Charles Sauliere

Portfolio Value: $10.0B
Positions: 792
Last Reported: Q3 2025

Sector Allocation

Position in American Superconductor

Market Value: $3.9M
Shares Held: 65.5K
Portfolio Weight: 0.04%
Owned Since: 2024-Q3

Top Holding	Sector	Market Value	Weight
1 Nvidia NVDA	Semiconductors Technology	$297.1M	2.97%
2 Apple AAPL	Consumer Electronics Technology	$288.4M	2.88%
3 Tesla, Inc. TSLA	Auto - Manufacturers Consumer Cyclical	$283.0M	2.82%