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, Q3 2021
Institutional positions in Aehr Test Systems as of Sep 30, 2021. 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
- 42
- +22 vs. Q2 2021
- Shares held
- 7.99M
- +3.37M (+73.0%) vs. Q2 2021
- Total value
- $109.7M
- +$96.9M (+760.2%) vs. Q2 2021
- New holders
- 25
- 10 more added
- Sold out
- 3
- 5 more reduced
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AWM Investment Company, Inc. | 1,365,749 | $18.6M | 1.83% | −532,785−28.1% | Reduced |
| Collaborative Holdings Management LP | 1,235,594 | $16.9M | 7.17% | +1,235,594 | New |
| Vanguard Group Inc | 1,024,970 | $14.0M | 0.00% | +3,188+0.3% | Added |
| Royce & Associates LP | 503,759 | $6.88M | 0.05% | −544,141−51.9% | Reduced |
| Susquehanna International Group, LLP | 479,518 | $6.54M | 0.01% | +479,518 | New |
| EAM Investors, LLC | 416,763 | $5.69M | 0.96% | +416,763 | New |
| Citadel Advisors LLC | 349,186 | $4.77M | 0.01% | +322,269+1,197.3% | Added |
| Jane Street Group, LLC | 323,341 | $4.41M | 0.01% | +323,341 | New |
| EAM Global Investors LLC | 240,661 | $3.29M | 0.78% | +240,661 | New |
| Group One Trading, L.P. | 216,253 | $2.95M | 0.06% | +216,253 | New |
| Geode Capital Management, LLC | 186,279 | $2.54M | 0.00% | +34,332+22.6% | Added |
| BlackRock Inc. | 173,061 | $2.36M | 0.00% | +153,252+773.6% | Added |
| Voloridge Investment Management, LLC | 165,864 | $2.26M | 0.01% | +165,864 | New |
| Virtu Financial LLC | 136,003 | $1.86M | 0.16% | +136,003 | New |
| Morgan Stanley | 117,554 | $1.60M | 0.00% | +113,354+2,698.9% | Added |
| Oberweis Asset Management Inc | 115,300 | $1.57M | 0.33% | +115,300 | New |
| Belvedere Trading LLC | 67,978 | $1.49M | 0.41% | +67,978 | New |
| Raymond James Financial Services Advisors, Inc. | 93,249 | $1.27M | 0.00% | −27,648−22.9% | Reduced |
| New York State Common Retirement Fund | 80,000 | $1.09M | 0.00% | +80,000 | New |
| Dimensional Fund Advisors LP | 70,409 | $961.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 67,485 | $921.0K | 0.00% | −36,765−35.3% | Reduced |
| Centiva Capital, LP | 66,565 | $909.0K | 0.07% | +66,565 | New |
| Cutler Group LP | 63,909 | $872.0K | 0.07% | +63,909 | New |
| State Street Corp | 61,800 | $844.0K | 0.00% | +61,800 | New |
| Heritage Investors Management Corp | 58,098 | $793.0K | 0.03% | 00.0% | Unchanged |
| Bank of America Corp | 51,364 | $702.0K | 0.00% | +51,291+70,261.6% | Added |
| Occudo Quantitative Strategies LP | 50,764 | $693.0K | 0.08% | +50,764 | New |
| Northern Trust Corp | 43,269 | $591.0K | 0.00% | +7,759+21.9% | Added |
| Cubist Systematic Strategies, LLC | 43,096 | $588.0K | 0.01% | +43,096 | New |
| Wolverine Trading, LLC | 28,566 | $395.0K | 0.01% | +28,566 | New |
| Barclays PLC | 26,717 | $365.0K | 0.00% | +26,717 | New |
| Bank of New York Mellon Corp | 15,669 | $214.0K | 0.00% | +858+5.8% | Added |
| Caxton Associates LP | 15,707 | $214.0K | 0.03% | +15,707 | New |
| HAP Trading, LLC | 14,733 | $201.0K | 0.01% | +14,733 | New |
| Millennium Management LLC | 10,569 | $144.0K | 0.00% | +10,569 | New |
| Deutsche Bank AG | 7,161 | $98.0K | 0.00% | +7,161 | New |
| McCarthy Asset Management, Inc. | 3,080 | $42.0K | 0.03% | +1,080+54.0% | Added |
| Sterling Financial Planning, Inc. | 800 | $11.0K | 0.01% | +800 | New |
| Tower Research Capital LLC (TRC) | 655 | $9.00K | 0.00% | −3,724−85.0% | Reduced |
| Wells Fargo & Company | 624 | $9.00K | 0.00% | +489+362.2% | Added |
| Royal Bank of Canada | 70 | $1.00K | 0.00% | +70 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 3 | $0 | 0.00% | +3 | New |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −27,823−100.0% | Sold out |
| Founders Capital Management | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −2,858−100.0% | Sold out |