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, Q4 2023
Institutional positions in Aehr Test Systems as of Dec 31, 2023. 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
- 168
- +15 vs. Q3 2023
- Shares held
- 20.1M
- +334.0K (+1.7%) vs. Q3 2023
- Total value
- $533.6M
- −$370.3M (−41.0%) vs. Q3 2023
- New holders
- 54
- 64 more added
- Sold out
- 39
- 37 more reduced
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 2,077,807 | $55.1M | 0.00% | +240,516+13.1% | Added |
| Vanguard Group Inc | 1,508,759 | $40.0M | 0.00% | +38,384+2.6% | Added |
| AWM Investment Company, Inc. | 1,227,883 | $32.6M | 4.29% | +30,000+2.5% | Added |
| Oberweis Asset Management Inc | 1,091,202 | $28.9M | 2.70% | +181,094+19.9% | Added |
| Ameriprise Financial Inc | 958,307 | $25.4M | 0.01% | +596,892+165.2% | Added |
| Hood River Capital Management LLC | 936,835 | $24.9M | 0.68% | +867,509+1,251.3% | Added |
| Congress Asset Management Co | 875,565 | $23.2M | 0.18% | +875,565 | New |
| Baillie Gifford & Co | 662,307 | $17.6M | 0.01% | +656,183+10,714.9% | Added |
| Geode Capital Management, LLC | 592,904 | $15.7M | 0.00% | +53,970+10.0% | Added |
| State Street Corp | 554,653 | $14.7M | 0.00% | −9,198−1.6% | Reduced |
| Weiss Asset Management LP | 544,952 | $14.5M | 1.03% | +544,952 | New |
| Dimensional Fund Advisors LP | 493,079 | $13.1M | 0.00% | +37,169+8.2% | Added |
| Millennium Management LLC | 375,162 | $9.95M | 0.01% | +318,546+562.6% | Added |
| FMR LLC | 333,408 | $8.85M | 0.00% | −463,523−58.2% | Reduced |
| D. E. Shaw & Co., Inc. | 327,872 | $8.70M | 0.01% | +54,879+20.1% | Added |
| Halter Ferguson Financial Inc. | 321,612 | $8.53M | 5.49% | +321,612 | New |
| Symmetry Investments LP | 311,462 | $8.26M | 1.51% | +229,519+280.1% | Added |
| Neuberger Berman Group LLC | 288,099 | $7.64M | 0.01% | +153,588+114.2% | Added |
| Agf Management Ltd | 276,000 | $7.32M | 0.04% | −210−0.1% | Reduced |
| Citadel Advisors LLC | 267,421 | $7.09M | 0.01% | +137,647+106.1% | Added |
| Northern Trust Corp | 252,326 | $6.69M | 0.00% | +8,268+3.4% | Added |
| Group One Trading, L.P. | 231,208 | $6.13M | 0.19% | +66,350+40.2% | Added |
| Morgan Stanley | 225,606 | $5.99M | 0.00% | −336,726−59.9% | Reduced |
| Qube Research & Technologies Ltd | 213,555 | $5.67M | 0.01% | +213,555 | New |
| Charles Schwab Investment Management Inc | 209,670 | $5.56M | 0.00% | +9,117+4.5% | Added |
| Bank of New York Mellon Corp | 197,042 | $5.23M | 0.00% | +4,572+2.4% | Added |
| Driehaus Capital Management LLC | 185,140 | $4.91M | 0.06% | −1,266,206−87.2% | Reduced |
| Handelsbanken Fonder AB | 170,000 | $4.51M | 0.02% | +170,000 | New |
| Next Century Growth Investors LLC | 168,701 | $4.48M | 0.44% | −125,370−42.6% | Reduced |
| Jane Street Group, LLC | 156,266 | $4.15M | 0.01% | +156,266 | New |
| Lord, Abbett & Co. LLC | 147,136 | $3.90M | 0.01% | −806,538−84.6% | Reduced |
| Silvercrest Asset Management Group LLC | 142,017 | $3.77M | 0.03% | +24,895+21.3% | Added |
| Nuveen Asset Management, LLC | 139,440 | $3.70M | 0.00% | +2,047+1.5% | Added |
| Advisor Group Holdings, Inc. | 126,390 | $3.35M | 0.01% | +37,915+42.9% | Added |
| Picton Mahoney Asset Management | 125,548 | $3.33M | 0.15% | −55,784−30.8% | Reduced |
| Susquehanna International Group, LLP | 112,393 | $2.98M | 0.01% | +84,946+309.5% | Added |
| Royce & Associates LP | 105,265 | $2.79M | 0.03% | −87,100−45.3% | Reduced |
| Point72 Hong Kong Ltd | 104,900 | $2.78M | 0.17% | +70,855+208.1% | Added |
| Balyasny Asset Management LLC | 100,984 | $2.68M | 0.01% | +100,984 | New |
| General American Investors Co Inc | 99,497 | $2.64M | 0.22% | +99,497 | New |
| Marshall Wace, LLP | 93,227 | $2.47M | 0.00% | +93,227 | New |
| Congress Wealth Management LLC | 92,980 | $2.47M | 0.05% | +92,980 | New |
| New York State Common Retirement Fund | 90,420 | $2.40M | 0.00% | −40,116−30.7% | Reduced |
| Twinbeech Capital LP | 89,837 | $2.38M | 0.04% | +89,837 | New |
| First Trust Advisors LP | 89,009 | $2.36M | 0.00% | +89,009 | New |
| Essex Investment Management Co LLC | 82,769 | $2.20M | 0.43% | −6,284−7.1% | Reduced |
| Goldman Sachs Group Inc | 80,296 | $2.13M | 0.00% | −1,800,841−95.7% | Reduced |
| LPL Financial LLC | 73,923 | $1.96M | 0.00% | −9,275−11.1% | Reduced |
| State of Wisconsin Investment Board | 69,507 | $1.84M | 0.01% | +69,507 | New |
| Royal Bank of Canada | 69,150 | $1.83M | 0.00% | +20,056+40.9% | Added |
| Russell Investments Group, Ltd. | 66,619 | $1.77M | 0.00% | +8,682+15.0% | Added |
| UBS Group AG | 64,067 | $1.70M | 0.00% | −5,113−7.4% | Reduced |
| Centiva Capital, LP | 56,214 | $1.49M | 0.09% | +56,214 | New |
| Swiss National Bank | 53,900 | $1.43M | 0.00% | −5,300−9.0% | Reduced |
| Algert Global LLC | 53,180 | $1.41M | 0.06% | +48,050+936.6% | Added |
| Thompson Siegel & Walmsley LLC | 51,979 | $1.38M | 0.02% | +22,543+76.6% | Added |
| Schroder Investment Management Group | 50,916 | $1.35M | 0.00% | +8,486+20.0% | Added |
| Heritage Investors Management Corp | 48,413 | $1.28M | 0.05% | 00.0% | Unchanged |
| Barclays PLC | 46,994 | $1.25M | 0.00% | +37,119+375.9% | Added |
| TownSquare Capital, LLC | 41,649 | $1.10M | 0.02% | +31,869+325.9% | Added |
| HRT Financial LP | 41,022 | $1.09M | 0.01% | +41,022 | New |
| Rhumbline Advisers | 38,471 | $1.02M | 0.00% | +504+1.3% | Added |
| Victory Capital Management Inc | 38,250 | $1.01M | 0.00% | −11,826−23.6% | Reduced |
| Gsa Capital Partners LLP | 37,752 | $1.00M | 0.08% | +37,752 | New |
| Simplex Trading, LLC | 37,739 | $1.00M | 0.03% | +37,739 | New |
| JPMorgan Chase & Co | 36,000 | $955.1K | 0.00% | +17,897+98.9% | Added |
| Campbell & CO Investment Adviser LLC | 35,333 | $937.4K | 0.08% | +35,333 | New |
| Wolverine Trading, LLC | 35,092 | $931.0K | 0.01% | +35,092 | New |
| UBS Asset Management Americas Inc | 33,566 | $890.5K | 0.00% | −324−1.0% | Reduced |
| Legato Capital Management LLC | 32,874 | $872.1K | 0.11% | −7,170−17.9% | Reduced |
| Wells Fargo & Company | 30,515 | $809.6K | 0.00% | +18,631+156.8% | Added |
| Fox Run Management, L.L.C. | 29,998 | $795.8K | 0.20% | +29,998 | New |
| Juncture Wealth Strategies, LLC | 29,952 | $794.6K | 0.36% | +29,952 | New |
| Bouvel Investment Partners, LLC | 29,367 | $779.1K | 0.36% | +29,367 | New |
| Legal & General Group Plc | 29,273 | $776.6K | 0.00% | +1,829+6.7% | Added |
| California State Teachers Retirement System | 28,936 | $767.7K | 0.00% | −596−2.0% | Reduced |
| NWF Advisory Services Inc. | 28,348 | $752.1K | 0.15% | +16,212+133.6% | Added |
| Credit Suisse AG | 27,435 | $727.9K | 0.00% | +840+3.2% | Added |
| GTS Securities LLC | 27,285 | $723.9K | 0.02% | +27,285 | New |
| Advisory Research Inc | 27,227 | $722.3K | 0.11% | −71,381−72.4% | Reduced |
| Alliancebernstein L.P. | 26,510 | $703.3K | 0.00% | −140−0.5% | Reduced |
| Envestnet Asset Management Inc | 24,035 | $637.6K | 0.00% | +24,035 | New |
| Skandinaviska Enskilda Banken AB (publ) | 23,860 | $633.5K | 0.00% | −17,400−42.2% | Reduced |
| Aviva PLC | 23,534 | $624.4K | 0.00% | +23,534 | New |
| Invesco Ltd. | 21,134 | $560.7K | 0.00% | −575,526−96.5% | Reduced |
| Greenwood Capital Associates LLC | 21,046 | $558.4K | 0.07% | +2,023+10.6% | Added |
| Concentrum Wealth Management | 20,998 | $557.1K | 0.29% | +5,230+33.2% | Added |
| Trexquant Investment LP | 20,832 | $552.7K | 0.01% | +10,498+101.6% | Added |
| Stratos Wealth Partners, LTD. | 20,805 | $552.0K | 0.01% | +3,368+19.3% | Added |
| GWM Advisors LLC | 20,567 | $545.6K | 0.01% | +5,957+40.8% | Added |
| Virtu Financial LLC | 20,241 | $537.0K | 0.04% | +20,241 | New |
| AQR Capital Management LLC | 20,146 | $534.5K | 0.00% | +7,563+60.1% | Added |
| Commonwealth Equity Services, LLC | 20,143 | $534.0K | 0.00% | +2,398+13.5% | Added |
| American Century Companies Inc | 19,537 | $518.3K | 0.00% | +10,530+116.9% | Added |
| BNP Paribas Arbitrage, SA | 18,533 | $491.7K | 0.00% | −3,344−15.3% | Reduced |
| Point72 Asset Management, L.P. | 18,515 | $491.2K | 0.00% | −449,403−96.0% | Reduced |
| Aigen Investment Management, LP | 18,509 | $491.0K | 0.09% | +11,210+153.6% | Added |
| Jefferies Financial Group Inc. | 17,382 | $461.1K | 0.01% | −56,292−76.4% | Reduced |
| Landscape Capital Management, L.L.C. | 17,092 | $453.5K | 0.04% | +17,092 | New |
| Engineers Gate Manager LP | 16,070 | $426.3K | 0.01% | +16,070 | New |