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Aehr Test Systems

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$55.1M +$7.02M +240,516 +13%
Vanguard Group
2
Vanguard Group
Pennsylvania
$40M +$1.12M +38,384 +3%
AIC
3
AWM Investment Company
New York
$32.6M +$875K +30,000 +3%
OAM
4
Oberweis Asset Management
Illinois
$28.9M +$5.28M +181,094 +20%
Ameriprise
5
Ameriprise
Minnesota
$25.4M +$17.4M +596,892 +165%
HRCM
6
Hood River Capital Management
Florida
$24.9M +$25.3M +867,509 +1,251%
CAM
7
Congress Asset Management
Massachusetts
$23.2M +$25.5M +875,565 New
Baillie Gifford & Co
8
Baillie Gifford & Co
United Kingdom
$17.6M +$19.1M +656,183 +10,715%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$15.7M +$1.57M +53,970 +10%
Neuberger Berman Group
10
Neuberger Berman Group
New York
$15.3M +$12.9M +441,687 +328%
State Street
11
State Street
Massachusetts
$14.7M -$268K -9,198 -2%
WAM
12
Weiss Asset Management
Massachusetts
$14.5M +$15.9M +544,952 New
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$13.1M +$1.08M +37,169 +8%
Millennium Management
14
Millennium Management
New York
$9.95M +$9.29M +318,546 +563%
Fidelity Investments
15
Fidelity Investments
Massachusetts
$8.85M -$13.5M -463,523 -58%
D.E. Shaw & Co
16
D.E. Shaw & Co
New York
$8.7M +$1.6M +54,879 +20%
HFF
17
Halter Ferguson Financial
Indiana
$8.53M +$9.38M +321,612 New
SI
18
Symmetry Investments
Jersey
$8.26M +$6.69M +229,519 +280%
AM
19
AGF Management
Ontario, Canada
$7.32M -$6.13K -210 -0.1%
Citadel Advisors
20
Citadel Advisors
Florida
$7.09M +$4.01M +137,647 +106%
Northern Trust
21
Northern Trust
Illinois
$6.69M +$241K +8,268 +3%
Group One Trading
22
Group One Trading
Illinois
$6.13M +$1.94M +66,350 +40%
Morgan Stanley
23
Morgan Stanley
New York
$5.99M -$9.82M -336,726 -60%
Qube Research & Technologies (QRT)
24
Qube Research & Technologies (QRT)
United Kingdom
$5.67M +$6.23M +213,555 New
Charles Schwab
25
Charles Schwab
California
$5.56M +$266K +9,117 +5%