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American Superconductor

Name Holding Trade Value Shares
Change
Change in
Stake
AIC
1
AWM Investment Company
New York
$6.01M +$648K +137,864 +11%
Vanguard Group
2
Vanguard Group
Pennsylvania
$1.62M +$60.5K +12,882 +4%
Renaissance Technologies
3
Renaissance Technologies
New York
$1.14M +$382K +81,200 +45%
BIT
4
BlackRock Institutional Trust
California
$826K
Geode Capital Management
5
Geode Capital Management
Massachusetts
$303K +$23.9K +5,077 +8%
Bank of New York Mellon
6
Bank of New York Mellon
New York
$237K +$257K +54,777 New
GC
7
GMT Capital
Georgia
$205K
California Public Employees Retirement System
8
California Public Employees Retirement System
California
$164K -$51.7K -11,000 -23%
BFA
9
BlackRock Fund Advisors
California
$135K +$28.8K +6,136 +24%
IIM
10
Ironwood Investment Management
Massachusetts
$132K -$65.5K -13,931 -31%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$125K
Group One Trading
12
Group One Trading
Illinois
$122K +$64.1K +13,633 +93%
Goldman Sachs
13
Goldman Sachs
New York
$115K -$49.9K -10,620 -29%
VKH
14
Virtu KCG Holdings
New York
$110K +$120K +25,441 New
Northern Trust
15
Northern Trust
Illinois
$86K +$34.1K +7,248 +57%
SCM
16
Scopia Capital Management
New York
$85K
CCM
17
Condor Capital Management
New Jersey
$84K
Susquehanna International Group
18
Susquehanna International Group
Pennsylvania
$83K +$90.6K +19,284 New
First Manhattan
19
First Manhattan
New York
$67K
RFC
20
Russell Frank Company
Washington
$64K -$45.6K -9,699 -40%
Jacobs Levy Equity Management
21
Jacobs Levy Equity Management
New Jersey
$59K -$322K -68,494 -84%
CCM
22
Concourse Capital Management
Georgia
$56K
UBS Group
23
UBS Group
Switzerland
$52K -$25.9K -5,514 -32%
KBC Group
24
KBC Group
Belgium
$44K
AC
25
Amici Capital
New York
$38K