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Aehr Test Systems
AEHR

Overview Fund Activity

119 hedge funds and large institutions have $226M invested in Aehr Test Systems in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 44 increasing their positions, 28 reducing their positions, and 21 closing their positions.

Holders
119
Holders Change
+4
Holders Change %
+3.48%
% of All Funds
1.6%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
26
Increased
44
Reduced
28
Closed
21
Calls
$15.6M
Puts
$14.3M
Net Calls
+$1.27M
Net Calls Change
+$1.93M

Top Buyers

1
KCM
1
Kennedy Capital Management
Missouri
$5.75M
2
BA
2
Bard Associates
Illinois
$2.52M
3
Jane Street
3
Jane Street
New York
$1.89M
4
GCP
4
GSA Capital Partners
United Kingdom
$1.54M
5
PM
5
Penbrook Management
New York
$1.93M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$19.3M
2
Ameriprise
2
Ameriprise
Minnesota
$0
3
UBS Group
3
UBS Group
Switzerland
$1.83M
4
JF
4
Jump Financial
Illinois
$0
5
RA
5
Royce & Associates
New York
$1.44M
Name Market Value Shares Shares
Change 		Shares
Change %
CF
126
Corebridge Financial
Texas
– – -13,889 Closed
ACM
127
Aquatic Capital Management
Illinois
– – -5,022 Closed
MAM
128
Montanaro Asset Management
United Kingdom
– – -4,850 Closed
QT
129
Quantbot Technologies
New York
– – -4,308 Closed
DekaBank Deutsche Girozentrale
130
DekaBank Deutsche Girozentrale
Germany
– – -2,631 Closed
California State Teachers Retirement System (CalSTRS)
131
California State Teachers Retirement System (CalSTRS)
California
– – -2,080 Closed
Federated Hermes
132
Federated Hermes
Pennsylvania
– – -154 Closed
MPWT
133
MassMutual Private Wealth & Trust
Connecticut
– – -71 Closed
HCP
134
Hexagon Capital Partners
Arkansas
– – -64 Closed
HFS
135
Hughes Financial Services
Virginia
– – -57 Closed
SC
136
SouthState Corp
Florida
– – -55 Closed
PFBT
137
Parkside Financial Bank & Trust
Missouri
– – -45 Closed
CCM
138
Coldstream Capital Management
Washington
– – -30 Closed
TWD
139
True Wealth Design
Ohio
– – -6 Closed
IMC Chicago
140
IMC Chicago
Illinois
– – – –
Simplex Trading
141
Simplex Trading
Illinois
– – – –
Capital Fund Management (CFM)
142
Capital Fund Management (CFM)
France
– – – –
Group One Trading
143
Group One Trading
Illinois
– – – –
D.E. Shaw & Co
144
D.E. Shaw & Co
New York
– – – –
Citadel Advisors
145
Citadel Advisors
Florida
– – – –
Walleye Trading
146
Walleye Trading
New York
– – – –
Walleye Capital
147
Walleye Capital
New York
– – – –
C
148
Covestor
United Kingdom
$0 5 – –
2 3 4 5
6