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American Superconductor
AMSC

Overview Fund Activity

231 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, 94 increasing their positions, 49 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
231
Holders Change
+41
Holders Change %
+21.58%
% of All Funds
3.1%
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
94
Reduced
49
Closed
26
Calls
$64.8M
Puts
$46.1M
Net Calls
+$18.7M
Net Calls Change
+$9.31M

Top Buyers

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

Top Sellers

1
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$4.77M
2
Macquarie Group
Macquarie Group
Australia
$30.2M
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
$17.6M
4
Invesco
Invesco
Georgia
$5.84M
5
TI
Trexquant Investment
Connecticut
$5.85M
Name Holding Trade Value Shares
Change 		Shares
Change %
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$1.86M +$558K +15,210 +43%
Franklin Resources
77
Franklin Resources
California
$1.85M +$235K +6,413 +15%
MFG
78
Merit Financial Group
Georgia
$1.83M -$68.1K -1,856 -4%
Mackenzie Financial
79
Mackenzie Financial
Ontario, Canada
$1.83M +$1.83M +49,770 New
BAM
80
Bosun Asset Management
Illinois
$1.73M +$173K +4,711 +11%
Polen Capital Management
81
Polen Capital Management
Florida
$1.73M +$1.73M +47,221 New
Amundi
82
Amundi
France
$1.72M -$230K -5,869 -12%
Janus Henderson Group
83
Janus Henderson Group
United Kingdom
$1.72M +$1.14M +30,961 +196%
Janney Montgomery Scott
84
Janney Montgomery Scott
Pennsylvania
$1.68M +$1.68M +45,761 New
Point72 Asset Management
85
Point72 Asset Management
Connecticut
$1.68M +$118K +3,218 +8%
OC
86
Oppenheimer & Co
New York
$1.6M +$1.23M +33,595 +336%
XT
87
XTX Topco
Cayman Islands
$1.55M +$952K +25,944 +159%
SEI Investments
88
SEI Investments
Pennsylvania
$1.54M +$448K +12,217 +41%
FRM
89
Fox Run Management
Connecticut
$1.38M +$322K +8,786 +31%
Verition Fund Management
90
Verition Fund Management
Connecticut
$1.36M -$261K -7,104 -16%
KCM
91
Kornitzer Capital Management
Kansas
$1.35M +$1.35M +36,660 New
LPL Financial
92
LPL Financial
California
$1.33M +$91.5K +2,495 +7%
AllianceBernstein
93
AllianceBernstein
Tennessee
$1.31M – – –
Prudential Financial
94
Prudential Financial
New Jersey
$1.29M +$1.29M +35,170 New
Cambridge Investment Research Advisors
95
Cambridge Investment Research Advisors
Iowa
$1.28M -$102K -2,775 -7%
DFCM
96
Dark Forest Capital Management
Puerto Rico
$1.27M -$1.17M -31,776 -48%
ACM
97
Aquatic Capital Management
Illinois
$1.21M +$1.21M +33,025 New
Royal Bank of Canada
98
Royal Bank of Canada
Ontario, Canada
$1.16M +$195K +5,311 +20%
T. Rowe Price Associates
99
T. Rowe Price Associates
Maryland
$1.02M +$131K +3,576 +15%
CSS
100
Cubist Systematic Strategies
Connecticut
$1.02M -$2.99M -81,555 -75%
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4
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