Aehr Test Systems
AEHR- Exchange
- Nasdaq
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0001040470
In the last 90 days, Aehr Test Systems insiders filed 0 open-market purchases and 13 sales; 262 institutions reported holding it in 13F filings for Q2 2026, worth $2.23B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Aehr Test Systems as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 191
- +45 vs. Q4 2025
- Shares held
- 22.5M
- +3.62M (+19.2%) vs. Q4 2025
- Total value
- $831.4M
- +$450.8M (+118.4%) vs. Q4 2025
- New holders
- 62
- 60 more added
- Sold out
- 17
- 48 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AEHR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 262 | $2.23B |
| Q1 2026 | 191 | $831.4M |
| Q4 2025 | 150 | $427.8M |
| Q3 2025 | 149 | $612.6M |
| Q2 2025 | 121 | $227.4M |
| Q1 2025 | 115 | $139.4M |
| Q4 2024 | 132 | $347.5M |
| Q3 2024 | 126 | $267.0M |
| Q2 2024 | 119 | $214.0M |
| Q1 2024 | 132 | $232.6M |
| Q4 2023 | 168 | $533.6M |
| Q3 2023 | 153 | $903.9M |
| Q2 2023 | 151 | $791.1M |
| Q1 2023 | 144 | $582.4M |
| Q4 2022 | 129 | $321.8M |
| Q3 2022 | 85 | $167.0M |
| Q2 2022 | 70 | $66.0M |
| Q1 2022 | 80 | $110.0M |
| Q4 2021 | 74 | $268.3M |
| Q3 2021 | 42 | $109.7M |
| Q2 2021 | 20 | $12.7M |
| Q1 2021 | 22 | $12.2M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Algert Global LLC | 0 | $0 | 0.00% | −11,430−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −3,220−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −895−100.0% | Sold out |
| Curio Wealth, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| McIlrath & Eck, LLC | 0 | $0 | 0.00% | −531−100.0% | Sold out |
| Armstrong Advisory Group, Inc | 0 | $0 | 0.00% | −134−100.0% | Sold out |
| Costello Asset Management, INC | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |