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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$59.5M +$29.7M +1,797,753 +241%
Baillie Gifford & Co
2
Baillie Gifford & Co
United Kingdom
$51.8M -$5.16M -312,467 -12%
AIC
3
AWM Investment Company
New York
$50.4M -$8.38M -507,464 -19%
Vanguard Group
4
Vanguard Group
Pennsylvania
$48.8M +$6.41M +387,786 +23%
HRCM
5
Hood River Capital Management
Florida
$40.6M +$1.92M +116,207 +7%
Assenagon Asset Management
6
Assenagon Asset Management
Luxembourg
$24.7M +$15.1M +914,872 +643%
RA
7
Royce & Associates
New York
$23M -$3.47M -210,219 -18%
DCM
8
Driehaus Capital Management
Illinois
$21.6M -$165K -9,981 -1%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$19M +$7.04M +426,160 +111%
Morgan Stanley
10
Morgan Stanley
New York
$18.9M +$4.79M +290,000 +56%
State Street
11
State Street
Massachusetts
$17.9M +$7.14M +432,029 +129%
Invesco
12
Invesco
Georgia
$15.7M -$3.22M -194,891 -23%
OAM
13
Oberweis Asset Management
Illinois
$15.5M +$496K +30,000 +5%
D.E. Shaw & Co
14
D.E. Shaw & Co
New York
$15.2M +$5.98M +362,062 +126%
TAM
15
Telemark Asset Management
Massachusetts
$14M +$3.3M +200,000 +50%
EIM
16
Essex Investment Management
Massachusetts
$13.5M -$104K -6,298 -1%
Dimensional Fund Advisors
17
Dimensional Fund Advisors
Texas
$12.5M -$798K -48,331 -8%
Connor, Clark & Lunn Investment Management (CC&L)
18
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$12.2M +$2.1M +127,122 +32%
Citadel Advisors
19
Citadel Advisors
Florida
$8.91M +$799K +48,398 +15%
Millennium Management
20
Millennium Management
New York
$8.77M -$2.06M -124,819 -25%
Goldman Sachs
21
Goldman Sachs
New York
$8.49M +$1.87M +113,260 +45%
Nuveen
22
Nuveen
North Carolina
$6.68M +$4.72M +285,623 New
First Trust Advisors
23
First Trust Advisors
Illinois
$6.59M +$505K +30,547 +12%
ACH
24
ArrowMark Colorado Holdings
Colorado
$5.76M -$991K -60,000 -20%
EI
25
EAM Investors
California
$4.77M +$2.33M +140,828 +223%