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Aehr Test Systems

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$16.1M -$3.33M -260,333 -14%
AIC
2
AWM Investment Company
New York
$14.3M +$3.39M +265,241 +23%
Vanguard Group
3
Vanguard Group
Pennsylvania
$12.3M +$821K +64,226 +6%
Renaissance Technologies
4
Renaissance Technologies
New York
$7.79M +$3.24M +253,700 +49%
BlackRock
5
BlackRock
New York
$3.84M +$44.2K +3,455 +0.9%
AAS
6
Ameritas Advisory Services
Nebraska
$3.7M +$2.03M +158,500 +77%
Two Sigma Investments
7
Two Sigma Investments
New York
$3.48M +$3.36M +263,089 +329%
Capital Fund Management (CFM)
8
Capital Fund Management (CFM)
France
$3.41M +$1.42M +111,242 +50%
RA
9
Royce & Associates
New York
$3.15M +$624K +48,800 +19%
SAM
10
Silvercrest Asset Management
New York
$2.7M +$1.08M +84,165 +46%
Acadian Asset Management
11
Acadian Asset Management
Massachusetts
$2.39M +$2.02M +157,882 +203%
FA
12
Friess Associates
Delaware
$2.08M +$361K +28,208 +16%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$2.08M +$52.4K +4,096 +2%
Citadel Advisors
14
Citadel Advisors
Florida
$2.04M +$2.42M +189,533 +1,706%
Susquehanna International Group
15
Susquehanna International Group
Pennsylvania
$2M -$4.54M -355,264 -64%
CSS
16
Cubist Systematic Strategies
Connecticut
$1.9M +$1.41M +110,152 +143%
OAM
17
Oberweis Asset Management
Illinois
$1.81M +$1.1M +86,400 +94%
Jane Street
18
Jane Street
New York
$1.8M +$786K +61,495 +53%
Millennium Management
19
Millennium Management
New York
$1.8M +$1.36M +106,742 +152%
EIM
20
Essex Investment Management
Massachusetts
$1.71M +$2.15M +168,023 New
Morgan Stanley
21
Morgan Stanley
New York
$1.65M +$694K +54,277 +50%
AAP
22
Ardsley Advisory Partners
Connecticut
$1.54M +$1.94M +151,500 New
HF
23
HRT Financial
New York
$1.37M +$7.9K +618 +0.5%
NA
24
Navellier & Associates
Nevada
$1.36M +$877K +68,610 +104%
Qube Research & Technologies (QRT)
25
Qube Research & Technologies (QRT)
United Kingdom
$1.25M +$1.57M +123,178 New