Aehr Test Systems
AEHR
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.
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: 150 → 191 (+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: 2 → 2 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$42.1M |
| 2 |
Goldman Sachs
New York
|
+$34.7M |
| 3 |
Walleye Capital
New York
|
+$8.4M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$8.24M |
| 5 |
Connor, Clark & Lunn Investment Management (CC&L)
Vancouver,
British Columbia, Canada
|
+$7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$21.7M |
| 2 |
HFF
Halter Ferguson Financial
Carmel,
Indiana
|
-$20.1M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
-$11.7M |
| 4 |
Baillie Gifford & Co
Edinburgh,
United Kingdom
|
-$9.27M |
| 5 |
KCM
Kennedy Capital Management
St Louis,
Missouri
|
-$9.09M |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
A
201
AlphaQuest
New York
| – | -$65K | -3,220 | Closed |
|
|
AB
202
Amalgamated Bank
New York
| – | -$18K | -895 | Closed |
|
|
ME
203
McIlrath & Eck
Arlington,
Washington
| – | -$10.7K | -531 | Closed |
|
|
CW
204
Curio Wealth
Annapolis,
Maryland
| – | -$11K | -500 | Closed |
|
|
AAG
205
Armstrong Advisory Group
Needham,
Massachusetts
| – | -$2.71K | -134 | Closed |
|
|
CAM
206
Costello Asset Management
Feasterville,
Pennsylvania
| – | -$1.01K | -50 | Closed |
|
207
US Bancorp
Minneapolis,
Minnesota
| – | -$202 | -10 | Closed |
|
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.