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American Superconductor
AMSC

Overview Fund Activity

229 hedge funds and large institutions have $1.19B invested in American Superconductor in 2025 Q2 according to their latest regulatory filings, with 68 funds opening new positions, 93 increasing their positions, 48 reducing their positions, and 26 closing their positions.

Holders
229
Holders Change
+39
Holders Change %
+20.53%
% of All Funds
3.08%
Holding in Top 10
5
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+150%
% of All Funds
0.07%
New
68
Increased
93
Reduced
48
Closed
26
Calls
$45.5M
Puts
$40.6M
Net Calls
+$4.89M
Net Calls Change
-$4.47M

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$25.3M
2
Goldman Sachs
2
Goldman Sachs
New York
$37.8M
3
EA
3
Emerald Advisers
Pennsylvania
$18.3M
4
HCM
4
Heights Capital Management
California
$12.5M
5
AM
5
Atreides Management
Massachusetts
$40.5M

Top Sellers

1
Qube Research & Technologies (QRT)
1
Qube Research & Technologies (QRT)
United Kingdom
$4.77M
2
Macquarie Group
2
Macquarie Group
Australia
$30.2M
3
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$17.6M
4
Invesco
4
Invesco
Georgia
$5.84M
5
TI
5
Trexquant Investment
Connecticut
$5.85M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$125M 3,420,039 +161,616 +5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$89.8M 2,447,047 +159,462 +7%
AIC
3
AWM Investment Company
New York
$57.2M 1,558,478 – –
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$53.3M 1,452,679 -66,211 -4%
HRCM
5
Hood River Capital Management
Florida
$42.9M 1,168,906 -70,190 -6%
AM
6
Atreides Management
Massachusetts
$40.5M 1,104,458 +280,418 +34%
Goldman Sachs
7
Goldman Sachs
New York
$37.8M 1,029,047 +547,086 +114%
State Street
8
State Street
Massachusetts
$37.4M 1,020,165 +130,118 +15%
NL
9
Nuveen LLC
North Carolina
$36.6M 997,902 +219,336 +28%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$34.5M 940,111 +58,430 +7%
DCM
11
Driehaus Capital Management
Illinois
$30.8M 839,847 +4 +0%
Macquarie Group
12
Macquarie Group
Australia
$30.2M 822,179 -204,643 -20%
RA
13
Royce & Associates
New York
$29.8M 811,732 -55,610 -6%
TAM
14
Telemark Asset Management
Massachusetts
$25.3M 690,000 +90,000 +15%
Citadel Advisors
15
Citadel Advisors
Florida
$25.3M 689,691 +558,130 +424%
OAM
16
Oberweis Asset Management
Illinois
$24.5M 668,200 – –
Morgan Stanley
17
Morgan Stanley
New York
$20.9M 570,356 +60,459 +12%
EA
18
Emerald Advisers
Pennsylvania
$18.3M 500,054 +461,335 +1,191%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$17.6M 480,753 -187,399 -28%
Wellington Management Group
20
Wellington Management Group
Massachusetts
$15.8M 431,589 +142,416 +49%
Legal & General Group
21
Legal & General Group
United Kingdom
$15.3M 417,039 +52,509 +14%
EIM
22
Essex Investment Management
Massachusetts
$12.7M 346,042 -26,179 -7%
Northern Trust
23
Northern Trust
Illinois
$12.5M 341,549 +11,036 +3%
HCM
24
Heights Capital Management
California
$12.5M 340,102 +340,102 New
First Trust Advisors
25
First Trust Advisors
Illinois
$12.4M 337,574 +7,022 +2%
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