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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
AIC
1
AWM Investment Company
New York
$8.13M +$1.26M +245,072 +21%
Vanguard Group
2
Vanguard Group
Pennsylvania
$4.18M +$823K +160,389 +29%
TAM
3
Telemark Asset Management
Massachusetts
$3.17M
RA
4
Royce & Associates
New York
$2.03M -$103K -20,000 -5%
Renaissance Technologies
5
Renaissance Technologies
New York
$1.83M -$999K -194,900 -38%
Millennium Management
6
Millennium Management
New York
$1.62M +$850K +165,813 +148%
BlackRock
7
BlackRock
New York
$1.59M +$38.6K +7,535 +3%
WAM
8
Wolverine Asset Management
Illinois
$899K -$424K -82,775 -35%
AAP
9
Ardsley Advisory Partners
Connecticut
$698K -$997K -194,377 -62%
BCM
10
Bridgeway Capital Management
Texas
$641K
Invesco
11
Invesco
Georgia
$593K -$302K -58,820 -37%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$548K
First Trust Advisors
13
First Trust Advisors
Illinois
$533K +$470K +91,664 New
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$403K
Susquehanna International Group
15
Susquehanna International Group
Pennsylvania
$328K +$369 +72 +0.1%
Group One Trading
16
Group One Trading
Illinois
$277K +$184K +35,855 +304%
Northern Trust
17
Northern Trust
Illinois
$255K +$6.06K +1,182 +3%
First Manhattan
18
First Manhattan
New York
$198K -$1.64K -320 -0.9%
Bank of New York Mellon
19
Bank of New York Mellon
New York
$184K -$7.21K -1,406 -4%
QOP
20
Quinn Opportunity Partners
Virginia
$134K +$118K +23,100 New
California Public Employees Retirement System
21
California Public Employees Retirement System
California
$131K
SCM
22
Scopia Capital Management
New York
$114K +$101K +19,610 New
UBS Group
23
UBS Group
Switzerland
$112K -$3.95K -770 -4%
Wells Fargo
24
Wells Fargo
California
$112K +$9.6K +1,872 +11%
Simplex Trading
25
Simplex Trading
Illinois
$111K -$328K -63,883 -77%