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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$12.2M +$10.2M +960,760 +270%
Renaissance Technologies
2
Renaissance Technologies
New York
$10.7M +$4.42M +415,286 +56%
AIC
3
AWM Investment Company
New York
$10.2M +$240K +22,560 +2%
Vanguard Group
4
Vanguard Group
Pennsylvania
$8.01M +$1.18M +110,545 +15%
Millennium Management
5
Millennium Management
New York
$5.29M -$1.06M -99,280 -15%
D.E. Shaw & Co
6
D.E. Shaw & Co
New York
$5.24M +$301K +28,272 +5%
GC
7
GMT Capital
Georgia
$4.81M
RA
8
Royce & Associates
New York
$4.68M -$132K -12,400 -2%
TAM
9
Telemark Asset Management
Massachusetts
$4.64M -$3.13M -294,044 -37%
State Street
10
State Street
Massachusetts
$2.77M +$3.18M +298,601 New
Geode Capital Management
11
Geode Capital Management
Massachusetts
$2.31M +$735K +69,066 +38%
QI
12
QS Investors
New York
$2.24M +$2.57M +241,400 New
Arrowstreet Capital
13
Arrowstreet Capital
Massachusetts
$2.18M +$1.21M +114,085 +94%
Assenagon Asset Management
14
Assenagon Asset Management
Luxembourg
$1.59M +$1.83M +171,832 New
MSL
15
Mackay Shields LLC
New York
$1.29M +$1.48M +139,000 New
Bank of New York Mellon
16
Bank of New York Mellon
New York
$1.26M +$644K +60,558 +80%
EAM
17
Erste Asset Management
Austria
$1.18M
Invesco
18
Invesco
Georgia
$943K -$2.48M -232,948 -70%
First Trust Advisors
19
First Trust Advisors
Illinois
$671K -$43.4K -4,075 -5%
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$626K -$11 -1 -0%
Two Sigma Advisers
21
Two Sigma Advisers
New York
$604K +$191K +17,910 +38%
Goldman Sachs
22
Goldman Sachs
New York
$544K -$889K -83,579 -59%
Northern Trust
23
Northern Trust
Illinois
$528K +$188K +17,655 +45%
BCM
24
Bridgeway Capital Management
Texas
$516K
Two Sigma Investments
25
Two Sigma Investments
New York
$504K +$578K +54,311 New