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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$170M +$5.1M +112,721 +3%
Vanguard Capital Management
2
Vanguard Capital Management
Pennsylvania
$84.4M -$237K -5,249 -0.3%
Barrow, Hanley, Mewhinney & Strauss
3
Barrow, Hanley, Mewhinney & Strauss
Texas
$70.7M +$25.5M +564,213 +50%
UBS Group
4
UBS Group
Switzerland
$59.3M +$37.5M +829,269 +138%
Vanguard Portfolio Management
5
Vanguard Portfolio Management
Pennsylvania
$58.9M -$13.2M -292,814 -17%
State Street
6
State Street
Massachusetts
$56.4M +$4.39M +97,154 +8%
Goldman Sachs
7
Goldman Sachs
New York
$53.7M +$26.4M +584,543 +82%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$51.6M +$3.35M +74,046 +6%
First Trust Advisors
9
First Trust Advisors
Illinois
$48.5M +$17.6M +390,156 +50%
OAM
10
Oberweis Asset Management
Illinois
$41M +$6.22M +137,600 +16%
AIC
11
AWM Investment Company
New York
$39.5M +$6.78M +150,000 +19%
Baillie Gifford & Co
12
Baillie Gifford & Co
United Kingdom
$38.7M -$23.2M -514,111 -36%
EA
13
Emerald Advisers
Pennsylvania
$35M +$3.91M +86,552 +11%
Legal & General Group
14
Legal & General Group
United Kingdom
$31.4M +$10.3M +226,732 +43%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$26.8M -$556K -12,306 -2%
Morgan Stanley
16
Morgan Stanley
New York
$26.4M +$90.1K +1,992 +0.3%
Nuveen
17
Nuveen
North Carolina
$26.1M -$17.7M -392,541 -38%
TAM
18
Telemark Asset Management
Massachusetts
$24.9M
RA
19
Royce & Associates
New York
$23.1M +$590K +13,043 +2%
EMFAT
20
Emerald Mutual Fund Advisers Trust
Pennsylvania
$22.4M +$4.52M +100,080 +23%
Northern Trust
21
Northern Trust
Illinois
$18M +$1.83M +40,568 +10%
RIM
22
Ranger Investment Management
Texas
$16.8M +$18.3M +405,266 New
SIMG
23
Stephens Investment Management Group
Texas
$16.7M +$4.26M +94,247 +31%
Charles Schwab
24
Charles Schwab
California
$16.6M +$620K +13,711 +4%
PAM
25
Panagora Asset Management
Massachusetts
$15.6M +$5.39M +119,123 +46%