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 2025
Institutional positions in Aehr Test Systems as of Dec 31, 2025. 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
- 150
- +2 vs. Q3 2025
- Shares held
- 21.2M
- +851.2K (+4.2%) vs. Q3 2025
- Total value
- $427.8M
- −$184.2M (−30.1%) vs. Q3 2025
- New holders
- 29
- 57 more added
- Sold out
- 27
- 42 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: 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 2025
Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 2,507,920 | $50.6M | 0.00% | −193,334−7.2% | Reduced |
| Vanguard Group Inc | 2,337,433 | $47.2M | 0.00% | +49,243+2.2% | Added |
| BlackRock, Inc. | 2,127,105 | $42.9M | 0.00% | +124,772+6.2% | Added |
| AWM Investment Company, Inc. | 1,536,771 | $31.0M | 3.00% | −30,000−1.9% | Reduced |
| Baillie Gifford & Co | 1,290,734 | $26.1M | 0.02% | −239,942−15.7% | Reduced |
| Wellington Management Group LLP | 830,664 | $16.8M | 0.00% | +469,400+129.9% | Added |
| Geode Capital Management, LLC | 685,694 | $13.8M | 0.00% | +5,591+0.8% | Added |
| Halter Ferguson Financial Inc. | 642,129 | $13.0M | 2.86% | +189,117+41.7% | Added |
| State Street Corp | 624,085 | $12.6M | 0.00% | +21,982+3.7% | Added |
| Next Century Growth Investors LLC | 552,506 | $11.2M | 0.77% | +276,160+99.9% | Added |
| William Blair Investment Management, LLC | 495,672 | $10.0M | 0.03% | −398,389−44.6% | Reduced |
| Rice Hall James & Associates, LLC | 453,568 | $9.16M | 0.50% | +9,187+2.1% | Added |
| Kennedy Capital Management, Inc. | 360,234 | $7.27M | 0.15% | +103,623+40.4% | Added |
| Two Sigma Investments, LP | 355,574 | $7.18M | 0.01% | +250,247+237.6% | Added |
| Gilder Gagnon Howe & Co LLC | 317,948 | $6.42M | 0.07% | −6,092−1.9% | Reduced |
| Silvercrest Asset Management Group LLC | 308,387 | $6.23M | 0.04% | +523+0.2% | Added |
| Sculptor Capital LP | 300,000 | $6.06M | 0.07% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 290,291 | $5.86M | 0.00% | +55,917+23.9% | Added |
| Morgan Stanley | 244,783 | $4.94M | 0.00% | +155,516+174.2% | Added |
| UBS Group AG | 243,129 | $4.91M | 0.00% | +87,014+55.7% | Added |
| Jane Street Group, LLC | 240,438 | $4.85M | 0.01% | +240,438 | New |
| Northern Trust Corp | 239,872 | $4.84M | 0.00% | +9,137+4.0% | Added |
| Charles Schwab Investment Management Inc | 238,409 | $4.81M | 0.00% | −390.0% | Reduced |
| Citadel Advisors LLC | 220,779 | $4.46M | 0.00% | −2,494−1.1% | Reduced |
| Pier Capital, LLC | 211,619 | $4.27M | 0.68% | −159,336−43.0% | Reduced |
| National Bank of Canada | 206,011 | $4.16M | 0.00% | −4,289−2.0% | Reduced |
| Tudor Investment Corp Et Al | 181,500 | $3.66M | 0.02% | +3,460+1.9% | Added |
| Bard Associates Inc | 179,793 | $3.63M | 0.93% | −1,827−1.0% | Reduced |
| Goldman Sachs Group Inc | 176,042 | $3.55M | 0.00% | +60,476+52.3% | Added |
| Gratia Capital, LLC | 137,560 | $2.78M | 2.48% | −2,000−1.4% | Reduced |
| Penbrook Management LLC | 114,900 | $2.32M | 1.60% | −1,350−1.2% | Reduced |
| Susquehanna International Group, LLP | 111,259 | $2.25M | 0.00% | +97,412+703.5% | Added |
| Dimensional Fund Advisors LP | 109,067 | $2.20M | 0.00% | −22,246−16.9% | Reduced |
| Squarepoint Ops LLC | 100,199 | $2.02M | 0.00% | +100,199 | New |
| Advisor Group Holdings, Inc. | 98,803 | $1.99M | 0.00% | +17,949+22.2% | Added |
| Bank of New York Mellon Corp | 89,755 | $1.81M | 0.00% | −8,506−8.7% | Reduced |
| Two Sigma Advisers, LP | 85,001 | $1.72M | 0.00% | +85,001 | New |
| KLCM Advisors, Inc. | 75,000 | $1.51M | 0.13% | 00.0% | Unchanged |
| Bank of America Corp | 70,662 | $1.43M | 0.00% | −27,553−28.1% | Reduced |
| Victory Capital Management Inc | 69,540 | $1.40M | 0.00% | 00.0% | Unchanged |
| Nuveen, LLC | 69,133 | $1.40M | 0.00% | +3,223+4.9% | Added |
| JPMorgan Chase & Co | 64,355 | $1.30M | 0.00% | +49,212+325.0% | Added |
| Kestra Advisory Services, LLC | 60,100 | $1.21M | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 59,219 | $1.20M | 0.00% | +492+0.8% | Added |
| Swiss National Bank | 56,300 | $1.14M | 0.00% | +56,300 | New |
| Bouvel Investment Partners, LLC | 53,796 | $1.09M | 0.31% | −1,281−2.3% | Reduced |
| Royal Bank of Canada | 51,971 | $1.05M | 0.00% | −3,105−5.6% | Reduced |
| Heritage Investors Management Corp | 48,413 | $977.0K | 0.03% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 47,050 | $949.9K | 0.00% | +22,258+89.8% | Added |
| Captrust Financial Advisors | 45,107 | $910.7K | 0.00% | +45,107 | New |
| Barclays PLC | 44,380 | $896.0K | 0.00% | +4,160+10.3% | Added |
| Headlands Technologies LLC | 42,946 | $867.1K | 0.07% | −1,971−4.4% | Reduced |
| Royce & Associates LP | 42,102 | $850.0K | 0.01% | −13,323−24.0% | Reduced |
| XTX Topco Ltd | 39,225 | $792.0K | 0.02% | +16,897+75.7% | Added |
| Alliancebernstein L.P. | 36,420 | $735.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 36,138 | $729.6K | 0.00% | −4,479−11.0% | Reduced |
| State of Wisconsin Investment Board | 35,819 | $723.2K | 0.00% | +18,331+104.8% | Added |
| Wells Fargo & Company | 35,219 | $711.1K | 0.00% | +13,421+61.6% | Added |
| Price T Rowe Associates Inc | 34,384 | $695.0K | 0.00% | −10,862−24.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 32,480 | $656.0K | 0.00% | −20,500−38.7% | Reduced |
| Brevan Howard Capital Management LP | 31,960 | $645.3K | 0.01% | +18,024+129.3% | Added |
| SEI Investments Co | 31,921 | $644.5K | 0.00% | +31,921 | New |
| IMC-Chicago, LLC | 30,238 | $610.5K | 0.01% | +7,812+34.8% | Added |
| Polen Capital Management LLC | 30,111 | $607.9K | 0.00% | +6,803+29.2% | Added |
| Quantinno Capital Management LP | 29,497 | $595.5K | 0.00% | +7,761+35.7% | Added |
| UBS Asset Management Americas Inc | 29,002 | $585.5K | 0.00% | +29,002 | New |
| Legal & General Group Plc | 28,994 | $585.4K | 0.00% | +22,243+329.5% | Added |
| Invesco Ltd. | 28,219 | $569.7K | 0.00% | −338,351−92.3% | Reduced |
| Harvest Investment Services, LLC | 24,909 | $502.9K | 0.09% | −2,164−8.0% | Reduced |
| Balyasny Asset Management LLC | 24,775 | $500.2K | 0.00% | −4,209−14.5% | Reduced |
| White Pine Capital LLC | 24,701 | $498.7K | 0.14% | −587−2.3% | Reduced |
| Verition Fund Management LLC | 24,191 | $488.4K | 0.00% | −16,706−40.8% | Reduced |
| Thompson Siegel & Walmsley LLC | 24,027 | $485.0K | 0.01% | −4,663−16.3% | Reduced |
| CWM Advisors, LLC | 23,276 | $469.9K | 0.04% | +8,408+56.6% | Added |
| Aquatic Capital Management LLC | 23,067 | $465.7K | 0.01% | +23,067 | New |
| Deutsche Bank AG | 21,454 | $433.2K | 0.00% | +2,051+10.6% | Added |
| Horizon Kinetics Asset Management LLC | 21,300 | $430.0K | 0.01% | +5,900+38.3% | Added |
| Fortitude Advisory Group L.L.C. | 21,107 | $426.1K | 0.18% | −1,184−5.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 20,000 | $406.8K | 0.00% | +20,000 | New |
| Quantbot Technologies LP | 19,856 | $400.9K | 0.01% | +19,856 | New |
| State of Alaska, Department of Revenue | 18,675 | $377.0K | 0.00% | +18,675 | New |
| Sun Group Wealth Partners | 17,561 | $354.6K | 0.28% | +17,561 | New |
| MetLife Investment Management | 16,702 | $337.2K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 15,101 | $304.9K | 0.00% | +15,101 | New |
| Janus Henderson Group PLC | 15,000 | $302.6K | 0.00% | +15,000 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 13,260 | $267.7K | 0.00% | +170+1.3% | Added |
| Franklin Resources Inc | 13,251 | $267.5K | 0.00% | −2,977−18.3% | Reduced |
| Net Worth Advisory Group | 13,225 | $267.0K | 0.05% | +18+0.1% | Added |
| GWM Advisors LLC | 12,804 | $258.5K | 0.00% | −3,155−19.8% | Reduced |
| Raymond James Financial Inc | 12,740 | $257.2K | 0.00% | −360−2.7% | Reduced |
| LPL Financial LLC | 12,240 | $247.1K | 0.00% | −685−5.3% | Reduced |
| Cetera Investment Advisers | 11,598 | $234.2K | 0.00% | +3,402+41.5% | Added |
| Algert Global LLC | 11,430 | $230.8K | 0.00% | +11,430 | New |
| Intech Investment Management LLC | 10,677 | $215.6K | 0.00% | −1,689−13.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,920 | $180.1K | 0.00% | +8,920 | New |
| Police & Firemen's Retirement System of New Jersey | 8,480 | $171.2K | 0.00% | +188+2.3% | Added |
| State of Wyoming | 7,113 | $143.6K | 0.02% | +4,336+156.1% | Added |
| KLP Kapitalforvaltning AS | 6,100 | $123.2K | 0.00% | +6,100 | New |
| BNP Paribas Arbitrage, SA | 6,090 | $123.0K | 0.00% | +557+10.1% | Added |
| CWM, LLC | 5,889 | $119.0K | 0.00% | −1,350−18.6% | Reduced |