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Applied Optoelectronics
AAOI

Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$25M +$23.8M +2,162,675 +254%
Ameriprise
2
Ameriprise
Minnesota
$17.9M +$12.7M +1,156,212 +116%
Vanguard Group
3
Vanguard Group
Pennsylvania
$17.9M +$2.2M +200,480 +10%
HRCM
4
Hood River Capital Management
Florida
$11.4M -$704K -64,000 -4%
Point72 Asset Management
5
Point72 Asset Management
Connecticut
$11.1M -$785K -71,434 -5%
Alyeska Investment Group
6
Alyeska Investment Group
Illinois
$9.63M -$3.35M -305,108 -21%
RA
7
Royce & Associates
New York
$8.96M -$730K -66,423 -6%
SC
8
Shellback Capital
Massachusetts
$8.62M +$11.4M +1,039,438 New
OAM
9
Oberweis Asset Management
Illinois
$7.18M +$179K +16,300 +2%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$7.04M +$5.07M +460,831 +119%
DCM
11
Driehaus Capital Management
Illinois
$6.98M -$28.3M -2,575,435 -75%
PCM
12
Portolan Capital Management
Massachusetts
$6.97M -$6.53M -593,841 -41%
CP
13
CenterBook Partners
Connecticut
$5.86M +$3.11M +282,988 +67%
State Street
14
State Street
Massachusetts
$5.76M +$3.87M +351,956 +103%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$5.11M +$267K +24,259 +4%
Marshall Wace
16
Marshall Wace
United Kingdom
$4.49M +$2.01M +183,260 +51%
EA
17
Emerald Advisers
Pennsylvania
$4.25M -$171K -15,588 -3%
KCM
18
Kennedy Capital Management
Missouri
$4.12M +$375K +34,092 +7%
SI
19
Sora Investors
Pennsylvania
$3.73M +$4.95M +450,000 New
Capital Fund Management (CFM)
20
Capital Fund Management (CFM)
France
$3.49M +$4.21M +383,377 +1,008%
CANY
21
Caxton Associates (New York)
New York
$3.41M +$3.82M +347,867 +551%
JGC
22
J. Goldman & Co
New York
$3.33M +$4.42M +402,174 New
EMFAT
23
Emerald Mutual Fund Advisers Trust
Pennsylvania
$3.31M – – –
D.E. Shaw & Co
24
D.E. Shaw & Co
New York
$2.91M -$667K -60,697 -15%
AI
25
Acuitas Investments
Washington
$2.75M +$1.01M +91,885 +38%
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