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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

265% more first-time investments, than exits

New positions opened: 62 | Existing positions closed: 17

141% more call options, than puts

Call options by funds: $131M | Put options by funds: $54.4M

94% more capital invested

Capital invested by funds: $428M → $831M (+$403M)

27% more funds holding

Funds holding: 150191 (+41)

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
+41
Holders Change %
+27.33%
% of All Funds
2.35%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
62
Increased
60
Reduced
48
Closed
17
Calls
$131M
Puts
$54.4M
Net Calls
+$76.5M
Net Calls Change
+$36.1M
Name Holding Trade Value Shares
Change
Change in
Stake
Swiss National Bank
51
Swiss National Bank
Switzerland
$2.13M +$38.4K +1,200 +2%
Bank of America
52
Bank of America
North Carolina
$2.11M -$443K -13,862 -20%
Barclays
53
Barclays
United Kingdom
$1.94M +$251K +7,834 +18%
GC
54
Gratia Capital
California
$1.91M -$2.75M -86,000 -63%
IMC Chicago
55
IMC Chicago
Illinois
$1.88M +$655K +20,471 +68%
HIMC
56
Heritage Investors Management Corp
Maryland
$1.79M
Tudor Investment Corp
57
Tudor Investment Corp
Connecticut
$1.79M -$4.26M -133,307 -73%
California State Teachers Retirement System (CalSTRS)
58
California State Teachers Retirement System (CalSTRS)
California
$1.54M +$1.27M +39,845 +2,272%
LOWM
59
Laurel Oak Wealth Management
New Jersey
$1.43M +$1.24M +38,670 New
RA
60
Royce & Associates
New York
$1.41M -$128K -4,000 -10%
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$1.37M +$22.2K +695 +2%
UBS AM
62
UBS AM
Illinois
$1.27M +$172K +5,379 +19%
Cambridge Investment Research Advisors
63
Cambridge Investment Research Advisors
Iowa
$1.17M -$28.1K -880 -3%
Universal-Beteiligungs- und Servicegesellschaft
64
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.14M +$340K +10,621 +53%
FAG
65
Fortitude Advisory Group
Washington
$1.06M +$242K +7,575 +36%
QCM
66
Quantinno Capital Management
New York
$1.06M -$31.3K -977 -3%
SCM
67
Sandler Capital Management
New York
$1.03M +$889K +27,807 New
Deutsche Bank
68
Deutsche Bank
Germany
$991K +$169K +5,269 +25%
GIPM
69
G2 Investment Partners Management
New York
$927K +$800K +25,000 New
Legal & General Group
70
Legal & General Group
United Kingdom
$920K -$134K -4,174 -14%
Squarepoint
71
Squarepoint
New York
$875K -$2.45M -76,613 -76%
Wells Fargo
72
Wells Fargo
California
$873K -$373K -11,665 -33%
HIS
73
Harvest Investment Services
Illinois
$861K -$53.8K -1,681 -7%
SEI Investments
74
SEI Investments
Pennsylvania
$857K -$282K -8,812 -28%
BHCM
75
Brevan Howard Capital Management
Jersey
$844K -$294K -9,185 -29%

AEHR Hedge Fund Activity: Q1 2026 in Review

191 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Aehr Test Systems (AEHR) for Q1 2026, worth a combined $831M — up 94% from $428M a quarter earlier.

Buyers outnumbered sellers: 62 funds opened new AEHR positions and 17 closed out — a net gain of 45 holders — while 60 added to existing stakes and 48 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $42.1M. The largest seller was Wellington Management Group, cutting an estimated $21.7M.

  • 191 institutional investors held Aehr Test Systems (AEHR) as of Q1 2026, up from 150 in Q4 2025.
  • Funds reported $831M of Aehr Test Systems stock for Q1 2026, up 94% quarter-over-quarter.
  • 62 funds opened new Aehr Test Systems positions in Q1 2026 and 17 closed out, a net change of +45 holders.
  • The largest Aehr Test Systems buyer in Q1 2026 was T. Rowe Price Associates, an estimated $42.1M added.
  • The largest Aehr Test Systems seller in Q1 2026 was Wellington Management Group, an estimated $21.7M sold.

Based on aggregated 13F filings for Q1 2026.