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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$11.1M +$323K +40,082 +3%
Renaissance Technologies
2
Renaissance Technologies
New York
$9.69M -$117K -14,541 -1%
AIC
3
AWM Investment Company
New York
$8.75M
Vanguard Group
4
Vanguard Group
Pennsylvania
$7.8M +$520K +64,540 +7%
Hudson Bay Capital Management
5
Hudson Bay Capital Management
Connecticut
$5.78M +$6.33M +786,000 New
RA
6
Royce & Associates
New York
$5.5M +$575K +71,400 +11%
JP Morgan Chase
7
JP Morgan Chase
New York
$4.64M +$3.94M +489,469 +479%
D.E. Shaw & Co
8
D.E. Shaw & Co
New York
$3.01M -$433K -53,815 -12%
State Street
9
State Street
Massachusetts
$2.89M -$94.7K -11,756 -3%
TAM
10
Telemark Asset Management
Massachusetts
$2.12M -$1.45M -180,000 -40%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$2.05M +$56.1K +6,967 +3%
QI
12
QS Investors
New York
$1.88M -$25K -3,100 -1%
Northern Trust
13
Northern Trust
Illinois
$1.83M +$39.1K +4,853 +2%
EIM
14
Essex Investment Management
Massachusetts
$1.76M +$1.8M +224,059 New
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$1.56M +$947K +117,599 +146%
Bank of New York Mellon
16
Bank of New York Mellon
New York
$1.36M -$2.09K -260 -0.2%
EAM
17
Erste Asset Management
Austria
$1.2M +$121K +15,000 +11%
Invesco
18
Invesco
Georgia
$1.14M +$232K +28,809 +25%
AQR Capital Management
19
AQR Capital Management
Connecticut
$1M -$2.04M -253,349 -66%
First Trust Advisors
20
First Trust Advisors
Illinois
$615K +$49.5K +6,147 +9%
KBC Group
21
KBC Group
Belgium
$534K +$132K +16,375 +32%
BCM
22
Bridgeway Capital Management
Texas
$456K +$20.1K +2,500 +4%
Charles Schwab
23
Charles Schwab
California
$411K +$23.2K +2,878 +6%
Nuveen
24
Nuveen
North Carolina
$409K -$3.92K -486 -0.9%
AA
25
ALPS Advisors
Colorado
$370K +$75.3K +9,344 +25%