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Aehr Test Systems
AEHR

Name Holding Trade Value Shares
Change 		Change in
Stake
AIC
1
AWM Investment Company
New York
$23.2M +$13.5K +1,000 +0.1%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$19M +$52.3K +3,887 +0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$16M +$1.21M +89,542 +9%
OAM
4
Oberweis Asset Management
Illinois
$7.17M +$4.48M +333,039 +190%
AAS
5
Ameritas Advisory Services
Nebraska
$6.63M +$628K +46,636 +11%
BlackRock
6
BlackRock
New York
$5.42M +$137K +10,145 +3%
Point72 Asset Management
7
Point72 Asset Management
Connecticut
$4.75M +$4.54M +337,010 New
Group One Trading
8
Group One Trading
Illinois
$4.46M +$4.26M +316,251 New
EI
9
EAM Investors
California
$4.37M +$4.17M +309,640 New
JC
10
Jetstream Capital
Tennessee
$4.23M +$4.04M +300,000 New
Jane Street
11
Jane Street
New York
$3.97M +$3.43M +254,538 +942%
DCM
12
Driehaus Capital Management
Illinois
$3.96M +$3.78M +281,191 New
SAM
13
Silvercrest Asset Management
New York
$3.67M -$763K -56,651 -18%
Renaissance Technologies
14
Renaissance Technologies
New York
$3.57M -$2.01M -149,200 -37%
Simplex Trading
15
Simplex Trading
Illinois
$3.44M +$3.28M +244,023 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$3.31M +$148K +11,013 +5%
RA
17
Royce & Associates
New York
$3.24M -$673K -50,000 -18%
DLCIG
18
D.L. Carlson Investment Group
New Hampshire
$3.13M +$2.99M +221,778 New
Goldman Sachs
19
Goldman Sachs
New York
$2.81M +$2.51M +186,404 +1,473%
AAP
20
Ardsley Advisory Partners
Connecticut
$2.73M +$909K +67,500 +53%
CLCM
21
Crawford Lake Capital Management
New Jersey
$2.69M +$2.57M +190,871 New
EIM
22
Essex Investment Management
Massachusetts
$2.54M +$67.4K +5,008 +3%
Osaic Holdings
23
Osaic Holdings
Arizona
$2.44M +$264K +19,595 +13%
WAM
24
Weiss Asset Management
Massachusetts
$2.42M +$2.31M +171,609 New
Citadel Advisors
25
Citadel Advisors
Florida
$2.37M -$17.9K -1,328 -0.8%
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