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Orion Energy Systems
OESX

Name Holding Trade Value Shares
Change 		Change in
Stake
NSIM
1
North Star Investment Management
Illinois
$13.4M -$1.86M -42,475 -10%
Renaissance Technologies
2
Renaissance Technologies
New York
$8.73M +$199K +4,543 +2%
Vanguard Group
3
Vanguard Group
Pennsylvania
$5.49M +$58.7K +1,340 +0.9%
Acadian Asset Management
4
Acadian Asset Management
Massachusetts
$2.79M +$1.9M +43,466 +136%
EI
5
EAM Investors
California
$2.79M +$2.12M +48,474 +180%
HA
6
Heartland Advisors
Wisconsin
$2.77M – – –
EGI
7
EAM Global Investors
California
$2.05M +$2.43M +55,375 New
EAM
8
Erste Asset Management
Austria
$1.68M +$263K +6,000 +15%
PPA
9
Parametric Portfolio Associates
Washington
$1.43M +$1.58M +36,065 +1,431%
PM
10
Penbrook Management
New York
$1.27M +$25.4K +581 +2%
BCM
11
Bridgeway Capital Management
Texas
$1.1M -$429K -9,800 -25%
CCM
12
Cadence Capital Management
Massachusetts
$925K -$56.9K -1,299 -5%
AI
13
Ariel Investments
Illinois
$905K -$841K -19,197 -44%
Millennium Management
14
Millennium Management
New York
$834K +$916K +20,907 +1,275%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$802K +$105K +2,389 +12%
Susquehanna International Group
16
Susquehanna International Group
Pennsylvania
$755K +$893K +20,395 New
HIM
17
Hillsdale Investment Management
Ontario, Canada
$690K -$465K -10,620 -36%
Arrowstreet Capital
18
Arrowstreet Capital
Massachusetts
$597K -$130K -2,968 -16%
BlackRock
19
BlackRock
New York
$512K -$4.99K -114 -0.8%
Two Sigma Advisers
20
Two Sigma Advisers
New York
$485K +$23.2K +530 +4%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$483K +$181K +4,141 +46%
Citadel Advisors
22
Citadel Advisors
Florida
$423K +$392K +8,943 +360%
QOP
23
Quinn Opportunity Partners
Virginia
$408K +$119K +2,725 +99%
Bank of Montreal
24
Bank of Montreal
Ontario, Canada
$407K +$532K +12,145 New
Goldman Sachs
25
Goldman Sachs
New York
$372K +$350K +8,000 +389%
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