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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$135M +$7.33M +232,247 +6%
Vanguard Capital Management
2
Vanguard Capital Management
Pennsylvania
$69M +$64.4M +2,039,468 New
Vanguard Portfolio Management
3
Vanguard Portfolio Management
Pennsylvania
$57.9M +$54M +1,711,677 New
Baillie Gifford & Co
4
Baillie Gifford & Co
United Kingdom
$49M -$1.88M -59,422 -4%
State Street
5
State Street
Massachusetts
$42.7M +$2.18M +68,978 +6%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$39.6M +$2.48M +78,442 +7%
Barrow, Hanley, Mewhinney & Strauss
7
Barrow, Hanley, Mewhinney & Strauss
Texas
$38.6M +$36M +1,139,793 New
Nuveen
8
Nuveen
North Carolina
$34.6M +$1.89M +59,979 +6%
OAM
9
Oberweis Asset Management
Illinois
$28.8M +$442K +14,000 +2%
AIC
10
AWM Investment Company
New York
$27.1M +$1.5M +47,384 +6%
First Trust Advisors
11
First Trust Advisors
Illinois
$26.3M +$3.01M +95,301 +14%
EA
12
Emerald Advisers
Pennsylvania
$25.6M -$5.18K -164 -0%
Goldman Sachs
13
Goldman Sachs
New York
$24M -$2.3M -72,783 -9%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$22.3M +$3.73M +118,044 +22%
Morgan Stanley
15
Morgan Stanley
New York
$21.5M -$2.26M -71,601 -10%
TAM
16
Telemark Asset Management
Massachusetts
$20.3M -$628K -19,900 -3%
UBS Group
17
UBS Group
Switzerland
$20.3M -$4.57M -144,742 -19%
D.E. Shaw & Co
18
D.E. Shaw & Co
New York
$19.2M +$3.93M +124,426 +28%
RA
19
Royce & Associates
New York
$18.4M +$4.91M +155,709 +40%
Legal & General Group
20
Legal & General Group
United Kingdom
$17.9M +$7.96M +252,105 +91%
AG
21
Algert Global
California
$16.6M +$922K +29,200 +6%
Arrowstreet Capital
22
Arrowstreet Capital
Massachusetts
$15.1M -$7.46M -236,450 -35%
EMFAT
23
Emerald Mutual Fund Advisers Trust
Pennsylvania
$14.9M +$115K +3,629 +0.8%
BNP Paribas Financial Markets
24
BNP Paribas Financial Markets
France
$14.8M +$11.2M +354,185 +429%
HRCM
25
Hood River Capital Management
Florida
$13.5M +$12.6M +398,711 New