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American Superconductor
AMSC

Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$84.4M +$19.5M +707,110 +26%
Vanguard Group
2
Vanguard Group
Pennsylvania
$54.8M -$5.61M -203,343 -8%
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$40.6M -$12.6M -456,605 -22%
AIC
4
AWM Investment Company
New York
$37.3M -$5.67M -205,589 -12%
HRCM
5
Hood River Capital Management
Florida
$30.4M -$5.4M -195,794 -14%
Macquarie Group
6
Macquarie Group
Australia
$25.6M +$1.23M +44,613 +4%
DCM
7
Driehaus Capital Management
Illinois
$23.2M +$3.97M +143,936 +18%
State Street
8
State Street
Massachusetts
$22.4M +$84K +3,045 +0.3%
Nuveen
9
Nuveen
North Carolina
$21.6M -$4.18M -151,686 -15%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$21.1M +$249K +9,043 +1%
RA
11
Royce & Associates
New York
$20.7M -$3.21M -116,242 -12%
OAM
12
Oberweis Asset Management
Illinois
$16.4M – – –
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$16.1M +$1.28M +46,354 +8%
TAM
14
Telemark Asset Management
Massachusetts
$14.8M – – –
Wellington Management Group
15
Wellington Management Group
Massachusetts
$11.4M +$12.7M +461,230 New
Morgan Stanley
16
Morgan Stanley
New York
$10.8M +$1.68M +60,766 +16%
EIM
17
Essex Investment Management
Massachusetts
$10.6M -$955K -34,630 -7%
UBS Group
18
UBS Group
Switzerland
$10.5M +$10.1M +365,050 +600%
Raymond James Financial
19
Raymond James Financial
Florida
$10.2M +$11.4M +413,646 New
Allspring Global Investments
20
Allspring Global Investments
North Carolina
$9.29M -$1.57M -56,770 -13%
Legal & General Group
21
Legal & General Group
United Kingdom
$8.56M +$285K +10,342 +3%
First Trust Advisors
22
First Trust Advisors
Illinois
$8.25M +$1.21M +43,808 +15%
Northern Trust
23
Northern Trust
Illinois
$8.07M +$740K +26,819 +9%
Charles Schwab
24
Charles Schwab
California
$7.83M +$368K +13,341 +4%
Goldman Sachs
25
Goldman Sachs
New York
$7.68M +$1.95M +70,592 +29%
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