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 2024
Institutional positions in Aehr Test Systems as of Mar 31, 2024. 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
- 132
- −35 vs. Q4 2023
- Shares held
- 18.4M
- −1.68M (−8.4%) vs. Q4 2023
- Total value
- $232.6M
- −$300.7M (−56.4%) vs. Q4 2023
- New holders
- 26
- 42 more added
- Sold out
- 61
- 45 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: 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 2024
Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,097,712 | $26.0M | 0.00% | +588,953+39.0% | Added |
| BlackRock Inc. | 2,035,504 | $25.2M | 0.00% | −42,303−2.0% | Reduced |
| Bank of Montreal | 1,015,243 | $16.9M | 0.01% | +1,005,952+10,827.2% | Added |
| AWM Investment Company, Inc. | 1,228,525 | $15.2M | 2.00% | +642+0.1% | Added |
| Ameriprise Financial Inc | 1,134,948 | $14.1M | 0.00% | +176,641+18.4% | Added |
| Oberweis Asset Management Inc | 967,852 | $12.0M | 0.87% | −123,350−11.3% | Reduced |
| Baillie Gifford & Co | 828,626 | $10.3M | 0.01% | +166,319+25.1% | Added |
| Nomura Holdings Inc | 811,001 | $10.1M | 0.08% | +811,001 | New |
| Halter Ferguson Financial Inc. | 625,654 | $7.76M | 6.03% | +304,042+94.5% | Added |
| Geode Capital Management, LLC | 609,070 | $7.55M | 0.00% | +16,166+2.7% | Added |
| State Street Corp | 562,488 | $6.97M | 0.00% | +7,835+1.4% | Added |
| Weiss Asset Management LP | 559,780 | $6.94M | 0.32% | +14,828+2.7% | Added |
| Morgan Stanley | 408,297 | $5.06M | 0.00% | +182,691+81.0% | Added |
| FMR LLC | 333,606 | $4.14M | 0.00% | +198+0.1% | Added |
| Amitell Capital Pte Ltd | 325,719 | $4.04M | 3.42% | +325,719 | New |
| Northern Trust Corp | 247,593 | $3.07M | 0.00% | −4,733−1.9% | Reduced |
| Dimensional Fund Advisors LP | 233,374 | $2.89M | 0.00% | −259,705−52.7% | Reduced |
| Charles Schwab Investment Management Inc | 212,107 | $2.63M | 0.00% | +2,437+1.2% | Added |
| Wellington Management Group LLP | 199,600 | $2.48M | 0.00% | +199,600 | New |
| Gsa Capital Partners LLP | 169,136 | $2.10M | 0.17% | +131,384+348.0% | Added |
| Next Century Growth Investors LLC | 165,276 | $2.05M | 0.18% | −3,425−2.0% | Reduced |
| Royce & Associates LP | 161,765 | $2.01M | 0.02% | +56,500+53.7% | Added |
| Goldman Sachs Group Inc | 149,182 | $1.85M | 0.00% | +68,886+85.8% | Added |
| Silvercrest Asset Management Group LLC | 148,431 | $1.84M | 0.01% | +6,414+4.5% | Added |
| Bank of America Corp | 144,233 | $1.79M | 0.00% | +132,757+1,156.8% | Added |
| Susquehanna International Group, LLP | 129,989 | $1.61M | 0.00% | +17,596+15.7% | Added |
| Federated Hermes, Inc. | 126,539 | $1.57M | 0.00% | +126,539 | New |
| Barclays PLC | 125,860 | $1.56M | 0.00% | +78,866+167.8% | Added |
| Pier Capital, LLC | 119,564 | $1.48M | 0.20% | +119,564 | New |
| Jane Street Group, LLC | 118,563 | $1.47M | 0.00% | −37,703−24.1% | Reduced |
| Bank of New York Mellon Corp | 95,061 | $1.18M | 0.00% | −101,981−51.8% | Reduced |
| Citadel Advisors LLC | 94,673 | $1.17M | 0.00% | −172,748−64.6% | Reduced |
| Kennedy Capital Management, Inc. | 91,616 | $1.14M | 0.02% | +91,616 | New |
| AQR Capital Management LLC | 91,139 | $1.13M | 0.00% | +70,993+352.4% | Added |
| Millennium Management LLC | 91,137 | $1.13M | 0.00% | −284,025−75.7% | Reduced |
| Nuveen Asset Management, LLC | 90,716 | $1.12M | 0.00% | −48,724−34.9% | Reduced |
| State of Wisconsin Investment Board | 87,990 | $1.09M | 0.00% | +18,483+26.6% | Added |
| IMC-Chicago, LLC | 84,138 | $1.04M | 0.04% | +84,138 | New |
| Rice Hall James & Associates, LLC | 77,287 | $958.4K | 0.05% | +77,287 | New |
| Walleye Capital LLC | 76,719 | $951.3K | 0.01% | +76,719 | New |
| Symmetry Investments LP | 69,937 | $867.2K | 0.09% | −241,525−77.5% | Reduced |
| UBS Group AG | 62,848 | $779.3K | 0.00% | −1,219−1.9% | Reduced |
| Bouvel Investment Partners, LLC | 54,594 | $677.0K | 0.29% | +25,227+85.9% | Added |
| Swiss National Bank | 53,900 | $668.4K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 52,443 | $650.3K | 0.00% | −275,429−84.0% | Reduced |
| Advisor Group Holdings, Inc. | 49,555 | $614.4K | 0.00% | −76,835−60.8% | Reduced |
| General American Investors Co Inc | 49,497 | $613.8K | 0.05% | −50,000−50.3% | Reduced |
| Heritage Investors Management Corp | 48,413 | $600.0K | 0.02% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 46,793 | $580.2K | 0.00% | +46,793 | New |
| Aviva PLC | 44,495 | $551.7K | 0.00% | +20,961+89.1% | Added |
| Simplex Trading, LLC | 39,434 | $488.0K | 0.01% | +1,695+4.5% | Added |
| Jefferies Financial Group Inc. | 39,275 | $487.0K | 0.01% | +21,893+126.0% | Added |
| Algert Global LLC | 38,692 | $479.8K | 0.02% | −14,488−27.2% | Reduced |
| Rhumbline Advisers | 37,895 | $469.9K | 0.00% | −576−1.5% | Reduced |
| JPMorgan Chase & Co | 33,691 | $417.8K | 0.00% | −2,309−6.4% | Reduced |
| UBS Asset Management Americas Inc | 33,566 | $416.2K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 31,741 | $393.6K | 0.02% | −24,473−43.5% | Reduced |
| Russell Investments Group, Ltd. | 29,922 | $371.0K | 0.00% | −36,697−55.1% | Reduced |
| CWM Advisors, LLC | 28,968 | $359.2K | 0.04% | +14,355+98.2% | Added |
| California State Teachers Retirement System | 27,951 | $346.6K | 0.00% | −985−3.4% | Reduced |
| Group One Trading, L.P. | 27,819 | $345.0K | 0.01% | −203,389−88.0% | Reduced |
| Graham Capital Management, L.P. | 27,436 | $340.2K | 0.01% | +15,446+128.8% | Added |
| Credit Suisse AG | 27,435 | $340.2K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 27,297 | $339.0K | 0.00% | −41,853−60.5% | Reduced |
| Legal & General Group Plc | 27,119 | $336.3K | 0.00% | −2,154−7.4% | Reduced |
| Ardsley Advisory Partners LP | 25,000 | $310.0K | 0.04% | +10,000+66.7% | Added |
| BNP Paribas Arbitrage, SA | 24,683 | $306.1K | 0.00% | +6,150+33.2% | Added |
| Campbell & CO Investment Adviser LLC | 24,399 | $302.5K | 0.03% | −10,934−30.9% | Reduced |
| Alliancebernstein L.P. | 23,740 | $294.4K | 0.00% | −2,770−10.4% | Reduced |
| Prelude Capital Management, LLC | 22,000 | $272.8K | 0.02% | +12,113+122.5% | Added |
| Greenwood Capital Associates LLC | 20,819 | $258.2K | 0.03% | −227−1.1% | Reduced |
| Cubist Systematic Strategies, LLC | 20,329 | $252.1K | 0.00% | +5,166+34.1% | Added |
| GTS Securities LLC | 17,951 | $222.6K | 0.01% | −9,334−34.2% | Reduced |
| Guggenheim Capital LLC | 17,945 | $222.5K | 0.00% | +6,679+59.3% | Added |
| Wolverine Trading, LLC | 17,283 | $214.3K | 0.00% | −17,809−50.7% | Reduced |
| Virtu Financial LLC | 17,241 | $214.0K | 0.02% | −3,000−14.8% | Reduced |
| Price T Rowe Associates Inc | 16,018 | $199.0K | 0.00% | +961+6.4% | Added |
| Deutsche Bank AG | 15,836 | $196.4K | 0.00% | +2,198+16.1% | Added |
| Raymond James Financial Services Advisors, Inc. | 15,369 | $190.6K | 0.00% | +3,780+32.6% | Added |
| Invesco Ltd. | 14,760 | $183.0K | 0.00% | −6,374−30.2% | Reduced |
| MetLife Investment Management | 13,653 | $169.3K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 13,617 | $168.9K | 0.00% | −117−0.9% | Reduced |
| Walleye Trading LLC | 12,930 | $160.3K | 0.00% | +12,930 | New |
| LPL Financial LLC | 12,684 | $157.3K | 0.00% | −61,239−82.8% | Reduced |
| Janus Henderson Group PLC | 11,790 | $146.1K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 11,314 | $140.3K | 0.00% | −19,201−62.9% | Reduced |
| Sherbrooke Park Advisers LLC | 10,859 | $134.7K | 0.03% | +10,859 | New |
| Cetera Investment Advisers | 10,766 | $133.5K | 0.00% | +10,766 | New |
| Franklin Resources Inc | 10,576 | $131.1K | 0.00% | 00.0% | Unchanged |
| Concentrum Wealth Management | 10,458 | $129.7K | 0.06% | −10,540−50.2% | Reduced |
| Kestra Advisory Services, LLC | 10,436 | $129.4K | 0.00% | −2,195−17.4% | Reduced |
| New York State Common Retirement Fund | 10,428 | $129.3K | 0.00% | −79,992−88.5% | Reduced |
| Manufacturers Life Insurance Company, The | 10,276 | $127.4K | 0.00% | −3,935−27.7% | Reduced |
| HighTower Advisors, LLC | 10,223 | $124.0K | 0.00% | +10,223 | New |
| Steward Partners Investment Advisory, LLC | 9,425 | $116.9K | 0.00% | −5,525−37.0% | Reduced |
| PEAK6 Investments LLC | 8,603 | $106.7K | 0.01% | +8,603 | New |
| The PNC Financial Services Group, Inc. | 8,098 | $100.4K | 0.00% | +6,808+527.8% | Added |
| US Bancorp | 5,387 | $66.8K | 0.00% | +1,316+32.3% | Added |
| Citigroup Inc | 4,763 | $59.1K | 0.00% | −130−2.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,752 | $58.9K | 0.00% | 00.0% | Unchanged |