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Aehr Test Systems

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$255M +$34.1M +372,643 +16%
Vanguard Capital Management
2
Vanguard Capital Management
Pennsylvania
$127M +$3.52M +38,493 +3%
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$113M +$76.4M +835,783 +245%
Two Sigma Investments
4
Two Sigma Investments
New York
$112M +$86.8M +950,242 +443%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$96.7M -$104M -1,135,809 -53%
Vanguard Portfolio Management
6
Vanguard Portfolio Management
Pennsylvania
$92.9M +$4.46M +48,783 +5%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$84.1M +$13.7M +149,794 +21%
Goldman Sachs
8
Goldman Sachs
New York
$77.8M -$41.3M -452,007 -36%
Jane Street
9
Jane Street
New York
$72.4M +$43.5M +476,478 +172%
JP Morgan Chase
10
JP Morgan Chase
New York
$69.6M +$49.5M +542,208 +285%
State Street
11
State Street
Massachusetts
$68.5M +$8.19M +89,620 +14%
Connor, Clark & Lunn Investment Management (CC&L)
12
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$64.4M +$41.3M +451,949 +207%
T. Rowe Price Associates
13
T. Rowe Price Associates
Maryland
$48.7M -$77M -842,316 -62%
Morgan Stanley
14
Morgan Stanley
New York
$46.1M +$28.8M +314,727 +190%
NCGI
15
Next Century Growth Investors
Minnesota
$39.5M -$31.4M -344,006 -46%
Citadel Advisors
16
Citadel Advisors
Florida
$38.5M +$23.7M +259,441 +184%
Marshall Wace
17
Marshall Wace
United Kingdom
$36.8M +$34M +372,527 +3,648%
AIC
18
AWM Investment Company
New York
$36M -$111M -1,219,163 -76%
T. Rowe Price Investment Management
19
T. Rowe Price Investment Management
Maryland
$30.6M +$29.1M +318,127 New
Invesco
20
Invesco
Georgia
$28.5M +$960K +10,501 +4%
Northern Trust
21
Northern Trust
Illinois
$26.6M +$2.27M +24,862 +10%
Charles Schwab
22
Charles Schwab
California
$24M +$1.28M +13,973 +6%
STP
23
Science & Technology Partners
New York
$23.9M +$22.8M +249,000 New
Lord, Abbett & Co
24
Lord, Abbett & Co
New Jersey
$23.8M +$6.25M +68,351 +38%
Wellington Management Group
25
Wellington Management Group
Massachusetts
$22.9M +$7.82M +85,568 +56%