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Aehr Test Systems

191 hedge funds and large institutions have $831M invested in Aehr Test Systems in 2026 Q1 according to their latest regulatory filings, with 62 funds opening new positions, 60 increasing their positions, 48 reducing their positions, and 17 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

25% more repeat investments, than reductions

Existing positions increased: 60 | Existing positions reduced: 48

2.74% more ownership

Funds ownership: 70.62%73.36% (+2.7%)

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

Holders
191
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$131M
Puts
$54.4M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Swiss National Bank
51
Swiss National Bank
Switzerland
$2.13M
Bank of America
52
Bank of America
North Carolina
$2.11M
Barclays
53
Barclays
United Kingdom
$1.94M
GC
54
Gratia Capital
California
$1.91M
IMC Chicago
55
IMC Chicago
Illinois
$1.88M
HIMC
56
Heritage Investors Management Corp
Maryland
$1.79M
Tudor Investment Corp
57
Tudor Investment Corp
Connecticut
$1.79M
California State Teachers Retirement System (CalSTRS)
58
California State Teachers Retirement System (CalSTRS)
California
$1.54M
LOWM
59
Laurel Oak Wealth Management
New Jersey
$1.43M
RA
60
Royce & Associates
New York
$1.41M
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$1.37M
UBS AM
62
UBS AM
Illinois
$1.27M
Cambridge Investment Research Advisors
63
Cambridge Investment Research Advisors
Iowa
$1.17M
Universal-Beteiligungs- und Servicegesellschaft
64
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.14M
FAG
65
Fortitude Advisory Group
Washington
$1.06M
QCM
66
Quantinno Capital Management
New York
$1.06M
SCM
67
Sandler Capital Management
New York
$1.03M
Deutsche Bank
68
Deutsche Bank
Germany
$991K
GIPM
69
G2 Investment Partners Management
New York
$927K
Legal & General Group
70
Legal & General Group
United Kingdom
$920K
Squarepoint
71
Squarepoint
New York
$875K
Wells Fargo
72
Wells Fargo
California
$873K
HIS
73
Harvest Investment Services
Illinois
$861K
SEI Investments
74
SEI Investments
Pennsylvania
$857K
BHCM
75
Brevan Howard Capital Management
Jersey
$844K