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
- 23.3M
- +808.4K (+3.6%) vs. Q1 2026
- Total value
- $2.23B
- +$1.40B (+168.6%) vs. Q1 2026
- New holders
- 105
- 74 more added
- Sold out
- 30
- 70 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 | $832.0M |
| Q4 2025 | 150 | $427.8M |
| Q3 2025 | 149 | $613.1M |
| Q2 2025 | 121 | $228.0M |
| Q1 2025 | 115 | $139.9M |
| Q4 2024 | 132 | $347.5M |
| Q3 2024 | 126 | $267.1M |
| Q2 2024 | 119 | $215.0M |
| Q1 2024 | 132 | $243.5M |
| Q4 2023 | 168 | $545.0M |
| Q3 2023 | 153 | $947.5M |
| Q2 2023 | 151 | $807.4M |
| Q1 2023 | 144 | $622.0M |
| Q4 2022 | 129 | $321.8M |
| Q3 2022 | 85 | $167.0M |
| Q2 2022 | 70 | $66.0M |
| Q1 2022 | 80 | $110.0M |
| Q4 2021 | 74 | $281.6M |
| 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,659,542 | $255.5M | 0.00% | +372,643+16.3% | Added |
| Vanguard Capital Management LLC | 1,320,350 | $126.8M | 0.00% | +38,493+3.0% | Added |
| D. E. Shaw & Co., Inc. | 1,177,421 | $113.1M | 0.07% | +835,783+244.6% | Added |
| Two Sigma Investments, LP | 1,164,614 | $111.9M | 0.08% | +950,242+443.3% | Added |
| FMR LLC | 1,006,830 | $96.7M | 0.00% | −1,135,809−53.0% | Reduced |
| Vanguard Portfolio Management LLC | 966,659 | $92.9M | 0.00% | +48,783+5.3% | Added |
| Geode Capital Management, LLC | 875,505 | $84.1M | 0.00% | +149,794+20.6% | Added |
| Goldman Sachs Group Inc | 810,036 | $77.8M | 0.01% | −452,007−35.8% | Reduced |
| Jane Street Group, LLC | 753,523 | $72.4M | 0.05% | +476,478+172.0% | Added |
| JPMorgan Chase & Co | 732,547 | $69.6M | 0.00% | +542,208+284.9% | Added |
| State Street Corp | 712,926 | $68.5M | 0.00% | +89,620+14.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 670,758 | $64.4M | 0.12% | +451,949+206.5% | Added |
| Price T Rowe Associates Inc | 507,035 | $48.7M | 0.00% | −842,316−62.4% | Reduced |
| Morgan Stanley | 480,400 | $46.1M | 0.00% | +314,727+190.0% | Added |
| Next Century Growth Investors LLC | 410,731 | $39.5M | 2.09% | −344,006−45.6% | Reduced |
| Citadel Advisors LLC | 400,732 | $38.5M | 0.02% | +259,441+183.6% | Added |
| Marshall Wace, LLP | 382,738 | $36.8M | 0.03% | +372,527+3,648.3% | Added |
| AWM Investment Company, Inc. | 374,808 | $36.0M | 3.12% | −1,219,163−76.5% | Reduced |
| T. Rowe Price Investment Management, Inc. | 318,127 | $30.6M | 0.02% | +318,127 | New |
| Invesco Ltd. | 296,226 | $28.5M | 0.00% | +10,501+3.7% | Added |
| Northern Trust Corp | 277,020 | $26.6M | 0.00% | +24,862+9.9% | Added |
| Charles Schwab Investment Management Inc | 249,512 | $24.0M | 0.00% | +13,973+5.9% | Added |
| Science & Technology Partners, L.P. | 249,000 | $23.9M | 4.03% | +249,000 | New |
| Lord, Abbett & Co. LLC | 247,640 | $23.8M | 0.07% | +68,351+38.1% | Added |
| Wellington Management Group LLP | 238,453 | $22.9M | 0.00% | +85,568+56.0% | Added |
| Driehaus Capital Management LLC | 238,422 | $22.9M | 0.13% | +238,422 | New |
| Vanguard Fiduciary Trust Co | 212,881 | $20.4M | 0.00% | +15,715+8.0% | Added |
| Tudor Investment Corp Et Al | 204,550 | $19.6M | 0.08% | +156,357+324.4% | Added |
| Baillie Gifford & Co | 203,878 | $19.6M | 0.02% | −797,140−79.6% | Reduced |
| Trexquant Investment LP | 201,892 | $19.4M | 0.12% | +201,892 | New |
| UBS Group AG | 169,123 | $16.2M | 0.00% | −77,640−31.5% | Reduced |
| Neuberger Berman Group LLC | 167,664 | $16.1M | 0.01% | +167,664 | New |
| Bard Associates Inc | 156,900 | $15.1M | 3.35% | −22,227−12.4% | Reduced |
| Kadensa Capital Ltd | 155,299 | $14.9M | 3.18% | +155,299 | New |
| Penn Capital Management Co Inc | 150,547 | $14.5M | 0.92% | +150,547 | New |
| BNP Paribas Arbitrage, SA | 145,612 | $14.0M | 0.01% | +139,295+2,205.1% | Added |
| Berkshire Capital Holdings Inc | 142,640 | $13.7M | 2.96% | +142,640 | New |
| New York State Common Retirement Fund | 138,047 | $13.3M | 0.02% | +76,465+124.2% | Added |
| Renaissance Technologies LLC | 134,500 | $12.9M | 0.02% | +134,500 | New |
| Bank of America Corp | 121,056 | $11.6M | 0.00% | +64,256+113.1% | Added |
| Kultura Capital Management LP | 117,865 | $11.3M | 5.20% | +37,665+47.0% | Added |
| Millennium Management LLC | 108,877 | $10.5M | 0.01% | +13,051+13.6% | Added |
| Nuveen, LLC | 102,621 | $9.86M | 0.00% | +32,264+45.9% | Added |
| Barclays PLC | 101,249 | $9.73M | 0.00% | +49,035+93.9% | Added |
| Gilder Gagnon Howe & Co LLC | 100,204 | $9.63M | 0.10% | −344,092−77.4% | Reduced |
| Bank of New York Mellon Corp | 93,571 | $8.99M | 0.00% | +4,166+4.7% | Added |
| Dimensional Fund Advisors LP | 93,404 | $8.97M | 0.00% | +367+0.4% | Added |
| Rice Hall James & Associates, LLC | 87,546 | $8.41M | 0.41% | −184,706−67.8% | Reduced |
| Raymond James Financial Inc | 86,773 | $8.34M | 0.00% | +11,529+15.3% | Added |
| Algert Global LLC | 82,275 | $7.90M | 0.09% | +82,275 | New |
| Advisor Group Holdings, Inc. | 75,960 | $7.30M | 0.01% | −29,042−27.7% | Reduced |
| HRT Financial LP | 67,264 | $6.46M | 0.01% | +67,264 | New |
| Polen Capital Management LLC | 66,157 | $6.36M | 0.05% | −13,239−16.7% | Reduced |
| Franklin Resources Inc | 64,831 | $6.23M | 0.00% | +51,580+389.3% | Added |
| Evergreen Quality Fund GP, Ltd. | 62,380 | $5.99M | 0.10% | +62,380 | New |
| Pier Capital, LLC | 60,394 | $5.80M | 0.77% | −66,597−52.4% | Reduced |
| Swiss National Bank | 59,900 | $5.75M | 0.00% | +2,400+4.2% | Added |
| Royal Bank of Canada | 56,027 | $5.38M | 0.00% | −3,912−6.5% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 55,126 | $5.29M | 0.01% | +23,526+74.4% | Added |
| UBS Asset Management Americas Inc | 52,815 | $5.07M | 0.00% | +18,434+53.6% | Added |
| Bouvel Investment Partners, LLC | 48,852 | $4.69M | 1.06% | −22,972−32.0% | Reduced |
| Heritage Investors Management Corp | 48,363 | $4.65M | 0.13% | −50−0.1% | Reduced |
| Capital Fund Management S.A. | 44,892 | $4.31M | 0.03% | +44,892 | New |
| Harvest Investment Services, LLC | 44,359 | $4.26M | 0.66% | +21,131+91.0% | Added |
| Schonfeld Strategic Advisors LLC | 44,106 | $4.24M | 0.02% | +44,106 | New |
| Russell Investments Group, Ltd. | 41,611 | $4.00M | 0.00% | +33,486+412.1% | Added |
| Deutsche Bank AG | 40,960 | $3.93M | 0.00% | +14,237+53.3% | Added |
| Premier Fund Managers Ltd | 41,362 | $3.92M | 0.36% | +41,362 | New |
| Rhumbline Advisers | 38,835 | $3.73M | 0.00% | +2,002+5.4% | Added |
| Citigroup Inc | 37,518 | $3.60M | 0.00% | +30,390+426.3% | Added |
| Intrinsic Edge Capital Management LLC | 36,600 | $3.52M | 0.43% | +36,600 | New |
| EAM Investors, LLC | 36,322 | $3.49M | 0.31% | +36,322 | New |
| Arrowstreet Capital, Limited Partnership | 35,987 | $3.46M | 0.00% | +35,987 | New |
| Shariaportfolio, Inc. | 34,460 | $3.31M | 1.17% | +34,460 | New |
| California State Teachers Retirement System | 34,370 | $3.30M | 0.00% | −7,229−17.4% | Reduced |
| Wells Fargo & Company | 34,170 | $3.28M | 0.00% | +10,616+45.1% | Added |
| LPL Financial LLC | 32,430 | $3.12M | 0.00% | +21,316+191.8% | Added |
| Ameriprise Financial Inc | 31,946 | $3.07M | 0.00% | +31,946 | New |
| Havemeyer Place LP | 31,246 | $3.00M | 0.30% | +31,246 | New |
| SG Americas Securities, LLC | 26,877 | $2.58M | 0.00% | +15,493+136.1% | Added |
| Sand Hill Global Advisors, LLC | 25,700 | $2.47M | 0.07% | +25,700 | New |
| Quantinno Capital Management LP | 24,017 | $2.31M | 0.00% | −4,503−15.8% | Reduced |
| Legal & General Group Plc | 23,821 | $2.29M | 0.00% | −999−4.0% | Reduced |
| Capstone Capital Management Ltd | 21,867 | $2.10M | 0.94% | +21,867 | New |
| Engineers Gate Manager LP | 21,542 | $2.07M | 0.03% | +1,069+5.2% | Added |
| Voya Investment Management LLC | 21,484 | $2.06M | 0.00% | +21,484 | New |
| Vanguard Asset Management, Ltd | 20,929 | $2.01M | 0.00% | +1,743+9.1% | Added |
| KP Management LLC | 20,000 | $1.92M | 0.40% | +20,000 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 19,035 | $1.83M | 0.00% | −11,586−37.8% | Reduced |
| Vanguard Global Advisers, LLC | 17,841 | $1.71M | 0.00% | −1,833−9.3% | Reduced |
| Blair William & Co | 17,838 | $1.71M | 0.00% | +17,838 | New |
| MetLife Investment Management | 17,837 | $1.71M | 0.01% | +1,288+7.8% | Added |
| Laurel Oak Wealth Management, LLC | 17,670 | $1.70M | 0.25% | −21,000−54.3% | Reduced |
| State of Wisconsin Investment Board | 17,618 | $1.69M | 0.00% | −4,321−19.7% | Reduced |
| Group One Trading, L.P. | 17,271 | $1.66M | 0.05% | +4,513+35.4% | Added |
| Susquehanna International Group, LLP | 16,850 | $1.62M | 0.00% | −185,189−91.7% | Reduced |
| Pictet Asset Management Holding SA | 16,654 | $1.60M | 0.00% | +10,866+187.7% | Added |
| Cetera Investment Advisers | 16,652 | $1.60M | 0.00% | +2,732+19.6% | Added |
| Toroso Investments, LLC | 15,737 | $1.51M | 0.00% | +15,737 | New |
| Johnson Financial Group, LLC | 15,255 | $1.47M | 0.08% | −53,645−77.9% | Reduced |