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, Q2 2026
Institutional positions in Aehr Test Systems as of Jun 30, 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
- 262
- +75 vs. Q1 2026
- Shares held
- 23.2M
- +795.4K (+3.5%) vs. Q1 2026
- Total value
- $2.23B
- +$1.40B (+168.5%) vs. Q1 2026
- New holders
- 105
- 73 more added
- Sold out
- 30
- 71 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Fund Management S.A. | 44,892 | $4.31M | 0.03% | +44,892 | New |
| Heritage Investors Management Corp | 48,363 | $4.65M | 0.13% | −50−0.1% | Reduced |
| Bouvel Investment Partners, LLC | 48,852 | $4.69M | 1.06% | −22,972−32.0% | Reduced |
| UBS Asset Management Americas Inc | 52,815 | $5.07M | 0.00% | +18,434+53.6% | Added |
| Royal Bank of Canada | 56,027 | $5.38M | 0.00% | −3,912−6.5% | Reduced |
| Swiss National Bank | 59,900 | $5.75M | 0.00% | +2,400+4.2% | Added |
| Pier Capital, LLC | 60,394 | $5.80M | 0.77% | −66,597−52.4% | Reduced |
| Evergreen Quality Fund GP, Ltd. | 62,380 | $5.99M | 0.10% | +62,380 | New |
| Franklin Resources Inc | 64,831 | $6.23M | 0.00% | +51,580+389.3% | Added |
| Polen Capital Management LLC | 66,157 | $6.36M | 0.05% | −13,239−16.7% | Reduced |
| HRT Financial LP | 67,264 | $6.46M | 0.01% | +67,264 | New |
| Advisor Group Holdings, Inc. | 75,960 | $7.30M | 0.01% | −29,042−27.7% | Reduced |
| Algert Global LLC | 82,275 | $7.90M | 0.09% | +82,275 | New |
| Raymond James Financial Inc | 86,773 | $8.34M | 0.00% | +11,529+15.3% | Added |
| Rice Hall James & Associates, LLC | 87,546 | $8.41M | 0.41% | −184,706−67.8% | Reduced |
| Dimensional Fund Advisors LP | 93,404 | $8.97M | 0.00% | +367+0.4% | Added |
| Bank of New York Mellon Corp | 93,571 | $8.99M | 0.00% | +4,166+4.7% | Added |
| Gilder Gagnon Howe & Co LLC | 100,204 | $9.63M | 0.10% | −344,092−77.4% | Reduced |
| Barclays PLC | 101,249 | $9.73M | 0.00% | +49,035+93.9% | Added |
| Nuveen, LLC | 102,621 | $9.86M | 0.00% | +32,264+45.9% | Added |
| Millennium Management LLC | 108,877 | $10.5M | 0.01% | +13,051+13.6% | Added |
| Kultura Capital Management LP | 117,865 | $11.3M | 5.20% | +37,665+47.0% | Added |
| Bank of America Corp | 121,056 | $11.6M | 0.00% | +64,256+113.1% | Added |
| Renaissance Technologies LLC | 134,500 | $12.9M | 0.02% | +134,500 | New |
| New York State Common Retirement Fund | 138,047 | $13.3M | 0.02% | +76,465+124.2% | Added |
| Berkshire Capital Holdings Inc | 142,640 | $13.7M | 2.96% | +142,640 | New |
| BNP Paribas Arbitrage, SA | 145,612 | $14.0M | 0.01% | +139,295+2,205.1% | Added |
| Penn Capital Management Co Inc | 150,547 | $14.5M | 0.92% | +150,547 | New |
| Kadensa Capital Ltd | 155,299 | $14.9M | 3.18% | +155,299 | New |
| Bard Associates Inc | 156,900 | $15.1M | 3.35% | −22,227−12.4% | Reduced |
| Neuberger Berman Group LLC | 167,664 | $16.1M | 0.01% | +167,664 | New |
| UBS Group AG | 169,123 | $16.2M | 0.00% | −77,640−31.5% | Reduced |
| Trexquant Investment LP | 201,892 | $19.4M | 0.12% | +201,892 | New |
| Baillie Gifford & Co | 203,878 | $19.6M | 0.02% | −797,140−79.6% | Reduced |
| Tudor Investment Corp Et Al | 204,550 | $19.6M | 0.08% | +156,357+324.4% | Added |
| Vanguard Fiduciary Trust Co | 212,881 | $20.4M | 0.00% | +15,715+8.0% | Added |
| Driehaus Capital Management LLC | 238,422 | $22.9M | 0.13% | +238,422 | New |
| Wellington Management Group LLP | 238,453 | $22.9M | 0.00% | +85,568+56.0% | Added |
| Lord, Abbett & Co. LLC | 247,640 | $23.8M | 0.07% | +68,351+38.1% | Added |
| Science & Technology Partners, L.P. | 249,000 | $23.9M | 4.03% | +249,000 | New |
| Charles Schwab Investment Management Inc | 249,512 | $24.0M | 0.00% | +13,973+5.9% | Added |
| Northern Trust Corp | 277,020 | $26.6M | 0.00% | +24,862+9.9% | Added |
| Invesco Ltd. | 296,226 | $28.5M | 0.00% | +10,501+3.7% | Added |
| T. Rowe Price Investment Management, Inc. | 318,127 | $30.6M | 0.02% | +318,127 | New |
| AWM Investment Company, Inc. | 374,808 | $36.0M | 3.12% | −1,219,163−76.5% | Reduced |
| Marshall Wace, LLP | 382,738 | $36.8M | 0.03% | +372,527+3,648.3% | Added |
| Citadel Advisors LLC | 400,732 | $38.5M | 0.02% | +259,441+183.6% | Added |
| Next Century Growth Investors LLC | 410,731 | $39.5M | 2.09% | −344,006−45.6% | Reduced |
| Morgan Stanley | 480,400 | $46.1M | 0.00% | +314,727+190.0% | Added |
| Price T Rowe Associates Inc | 507,035 | $48.7M | 0.00% | −842,316−62.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 670,758 | $64.4M | 0.12% | +451,949+206.5% | Added |
| State Street Corp | 712,926 | $68.5M | 0.00% | +89,620+14.4% | Added |
| JPMorgan Chase & Co | 732,547 | $69.6M | 0.00% | +542,208+284.9% | Added |
| Jane Street Group, LLC | 753,523 | $72.4M | 0.05% | +476,478+172.0% | Added |
| Goldman Sachs Group Inc | 810,036 | $77.8M | 0.01% | −452,007−35.8% | Reduced |
| Geode Capital Management, LLC | 875,505 | $84.1M | 0.00% | +149,794+20.6% | Added |
| Vanguard Portfolio Management LLC | 966,659 | $92.9M | 0.00% | +48,783+5.3% | Added |
| FMR LLC | 1,006,830 | $96.7M | 0.00% | −1,135,809−53.0% | Reduced |
| Two Sigma Investments, LP | 1,164,614 | $111.9M | 0.08% | +950,242+443.3% | Added |
| D. E. Shaw & Co., Inc. | 1,177,421 | $113.1M | 0.07% | +835,783+244.6% | Added |
| Vanguard Capital Management LLC | 1,320,350 | $126.8M | 0.00% | +38,493+3.0% | Added |
| BlackRock, Inc. | 2,659,542 | $255.5M | 0.00% | +372,643+16.3% | Added |
| William Blair Investment Management, LLC | 0 | $0 | 0.00% | −513,293−100.0% | Sold out |
| Silvercrest Asset Management Group LLC | 0 | $0 | 0.00% | −344,247−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −93,622−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −76,042−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −60,100−100.0% | Sold out |
| Gratia Capital, LLC | 0 | $0 | 0.00% | −51,560−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −50,709−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −27,807−100.0% | Sold out |
| G2 Investment Partners Management LLC | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −23,586−100.0% | Sold out |
| 12 West Capital Management LP | 0 | $0 | 0.00% | −22,000−100.0% | Sold out |
| Clough Capital Partners L P | 0 | $0 | 0.00% | −21,899−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −17,389−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −16,262−100.0% | Sold out |
| Halter Ferguson Financial Inc. | 0 | $0 | 0.00% | −14,631−100.0% | Sold out |
| Nkcfo LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −9,154−100.0% | Sold out |
| Greenwood Capital Associates LLC | 0 | $0 | 0.00% | −9,044−100.0% | Sold out |
| Bridgewater Associates, LP | 0 | $0 | 0.00% | −7,873−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −6,254−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −6,150−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,586−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −2,500−100.0% | Sold out |
| Alphadyne Asset Management LP | 0 | $0 | 0.00% | −2,416−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −265−100.0% | Sold out |
| Clear Street Markets LLC | 0 | $0 | 0.00% | −199−100.0% | Sold out |
| Rachor Investment Advisory Services, LLC | 0 | $0 | 0.00% | −89−100.0% | Sold out |
| Colonial Trust Co | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| Lloyd Advisory Services, LLC. | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Skopos Labs, Inc. | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |