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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$1.57M +$148K +14,027 +7%
Hudson Bay Capital Management
2
Hudson Bay Capital Management
Connecticut
$1.44M +$2.04M +193,651 New
BIT
3
BlackRock Institutional Trust
California
$1.22M +$30.4K +2,880 +2%
Jacobs Levy Equity Management
4
Jacobs Levy Equity Management
New Jersey
$498K +$244K +23,150 +53%
PGCM
5
Prescott Group Capital Management
Oklahoma
$482K -$346K -32,826 -34%
IIM
6
Ironwood Investment Management
Massachusetts
$434K -$29.4K -2,789 -5%
California Public Employees Retirement System
7
California Public Employees Retirement System
California
$323K
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$283K -$32.2K -3,049 -7%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$254K +$411 +39 +0.1%
RFC
10
Russell Frank Company
Washington
$241K +$233K +22,086 +219%
Renaissance Technologies
11
Renaissance Technologies
New York
$233K +$333K +31,519 New
D.E. Shaw & Co
12
D.E. Shaw & Co
New York
$223K +$282K +26,725 +779%
Goldman Sachs
13
Goldman Sachs
New York
$199K -$123K -11,633 -30%
AFM
14
Anson Funds Management
Texas
$194K +$276K +26,176 New
Brown Advisory
15
Brown Advisory
Maryland
$173K -$98.6K -9,346 -29%
Millennium Management
16
Millennium Management
New York
$161K +$13.7K +1,299 +6%
First Manhattan
17
First Manhattan
New York
$115K +$13.5K +1,280 +9%
Northern Trust
18
Northern Trust
Illinois
$113K -$2.05K -194 -1%
BFA
19
BlackRock Fund Advisors
California
$101K +$10.3K +976 +8%
Susquehanna International Group
20
Susquehanna International Group
Pennsylvania
$98K -$113K -10,703 -45%
PAM
21
Panagora Asset Management
Massachusetts
$75K -$11.2K -1,063 -9%
KBC Group
22
KBC Group
Belgium
$75K +$106K +10,064 New
UBS Group
23
UBS Group
Switzerland
$68K +$96.5K +9,149 New
Deutsche Bank
24
Deutsche Bank
Germany
$64K +$90.2K +8,550 +4,831%
SIM
25
Spark Investment Management
New York
$62K +$88.8K +8,420 New