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 2024
Institutional positions in Aehr Test Systems as of Sep 30, 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
- 126
- +8 vs. Q2 2024
- Shares held
- 20.8M
- +3.52M (+20.4%) vs. Q2 2024
- Total value
- $267.0M
- +$74.2M (+38.5%) vs. Q2 2024
- New holders
- 30
- 42 more added
- Sold out
- 22
- 35 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2024: 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 2024
Shares, value and share of portfolio for each institution holding Aehr Test Systems; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FMR LLC | 2,619,108 | $33.7M | 0.00% | +2,458,993+1,535.8% | Added |
| Vanguard Group Inc | 2,138,760 | $27.5M | 0.00% | +33,171+1.6% | Added |
| BlackRock, Inc. | 2,021,769 | $26.0M | 0.00% | +2,021,769 | New |
| Baillie Gifford & Co | 1,806,849 | $23.2M | 0.02% | +136,259+8.2% | Added |
| Ameriprise Financial Inc | 1,287,376 | $16.5M | 0.00% | +902,713+234.7% | Added |
| AWM Investment Company, Inc. | 1,286,855 | $16.5M | 2.00% | +32,112+2.6% | Added |
| Marshall Wace, LLP | 662,125 | $8.51M | 0.01% | +662,125 | New |
| Geode Capital Management, LLC | 639,149 | $8.21M | 0.00% | +18,521+3.0% | Added |
| State Street Corp | 571,860 | $7.35M | 0.00% | +8,840+1.6% | Added |
| Oberweis Asset Management Inc | 534,400 | $6.87M | 0.35% | 00.0% | Unchanged |
| Halter Ferguson Financial Inc. | 499,171 | $6.41M | 3.63% | −237,344−32.2% | Reduced |
| Federated Hermes, Inc. | 413,261 | $5.31M | 0.01% | −687,306−62.5% | Reduced |
| Pier Capital, LLC | 412,077 | $5.30M | 0.75% | +103,144+33.4% | Added |
| Rice Hall James & Associates, LLC | 398,766 | $5.12M | 0.28% | +59,010+17.4% | Added |
| Silvercrest Asset Management Group LLC | 366,020 | $4.70M | 0.03% | +77,428+26.8% | Added |
| Wellington Management Group LLP | 311,773 | $4.01M | 0.00% | +9,473+3.1% | Added |
| Ardsley Advisory Partners LP | 270,000 | $3.47M | 0.66% | +210,000+350.0% | Added |
| Diker Management LLC | 250,000 | $3.21M | 2.56% | +100,000+66.7% | Added |
| Tudor Investment Corp Et Al | 248,388 | $3.19M | 0.04% | +248,388 | New |
| G2 Investment Partners Management LLC | 232,108 | $2.98M | 0.85% | +232,108 | New |
| Northern Trust Corp | 230,935 | $2.97M | 0.00% | +970+0.4% | Added |
| Charles Schwab Investment Management Inc | 226,336 | $2.91M | 0.00% | +8,646+4.0% | Added |
| Susquehanna International Group, LLP | 213,268 | $2.74M | 0.00% | +87,216+69.2% | Added |
| Morgan Stanley | 202,174 | $2.60M | 0.00% | +43,725+27.6% | Added |
| Apis Capital Advisors, LLC | 178,000 | $2.29M | 1.59% | −13,000−6.8% | Reduced |
| Royce & Associates LP | 171,765 | $2.21M | 0.02% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 170,444 | $2.19M | 0.00% | +12,004+7.6% | Added |
| Nomura Holdings Inc | 150,011 | $1.93M | 0.01% | −516,170−77.5% | Reduced |
| Barclays PLC | 140,525 | $1.81M | 0.00% | +30,119+27.3% | Added |
| Gsa Capital Partners LLP | 137,861 | $1.77M | 0.13% | −94,823−40.8% | Reduced |
| Dimensional Fund Advisors LP | 134,876 | $1.73M | 0.00% | −9,085−6.3% | Reduced |
| Bank of America Corp | 87,303 | $1.12M | 0.00% | −143,328−62.1% | Reduced |
| Bank of New York Mellon Corp | 81,951 | $1.05M | 0.00% | −20,006−19.6% | Reduced |
| Jane Street Group, LLC | 76,415 | $981.9K | 0.00% | −97,523−56.1% | Reduced |
| Nuveen Asset Management, LLC | 73,331 | $942.3K | 0.00% | 00.0% | Unchanged |
| IMC-Chicago, LLC | 58,530 | $752.1K | 0.02% | −45,694−43.8% | Reduced |
| Bouvel Investment Partners, LLC | 58,233 | $748.3K | 0.28% | +1,981+3.5% | Added |
| Millennium Management LLC | 56,665 | $728.1K | 0.00% | −134,529−70.4% | Reduced |
| D L Carlson Investment Group Inc | 56,343 | $724.0K | 0.13% | +56,343 | New |
| Boothbay Fund Management, LLC | 53,968 | $693.5K | 0.02% | +53,968 | New |
| Janus Henderson Group PLC | 52,308 | $672.2K | 0.00% | +52,308 | New |
| Advisor Group Holdings, Inc. | 50,603 | $650.2K | 0.00% | −68−0.1% | Reduced |
| Heritage Investors Management Corp | 48,413 | $622.0K | 0.02% | 00.0% | Unchanged |
| Principal Financial Group Inc | 46,793 | $601.3K | 0.00% | −21,066−31.0% | Reduced |
| Bank of Montreal | 44,596 | $590.0K | 0.00% | −764,015−94.5% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 45,319 | $582.3K | 0.00% | +45,319 | New |
| Two Sigma Investments, LP | 43,348 | $557.0K | 0.00% | −291,295−87.0% | Reduced |
| Rhumbline Advisers | 37,744 | $485.0K | 0.00% | −1,589−4.0% | Reduced |
| Balyasny Asset Management LLC | 37,723 | $484.7K | 0.00% | +23,508+165.4% | Added |
| Alliancebernstein L.P. | 34,130 | $438.6K | 0.00% | −11,970−26.0% | Reduced |
| GTS Securities LLC | 33,409 | $429.3K | 0.01% | +4,452+15.4% | Added |
| UBS Group AG | 32,821 | $421.8K | 0.00% | +1,248+4.0% | Added |
| CWM Advisors, LLC | 31,748 | $408.0K | 0.04% | −347−1.1% | Reduced |
| Atom Investors LP | 30,325 | $389.7K | 0.04% | +30,325 | New |
| Phoenix Holdings Ltd. | 29,000 | $372.6K | 0.01% | −28,000−49.1% | Reduced |
| Greenwood Capital Associates LLC | 27,667 | $355.5K | 0.05% | −574−2.0% | Reduced |
| Penbrook Management LLC | 27,000 | $346.9K | 0.23% | −580−2.1% | Reduced |
| KLCM Advisors, Inc. | 25,000 | $321.3K | 0.04% | +25,000 | New |
| BNP Paribas Arbitrage, SA | 23,709 | $304.7K | 0.00% | +11,172+89.1% | Added |
| Guggenheim Capital LLC | 22,907 | $294.4K | 0.00% | −1,792−7.3% | Reduced |
| Squarepoint Ops LLC | 22,698 | $291.7K | 0.00% | −66,429−74.5% | Reduced |
| Simplex Trading, LLC | 21,162 | $271.0K | 0.01% | −11,657−35.5% | Reduced |
| Group One Trading, L.P. | 21,085 | $270.9K | 0.01% | +21,085 | New |
| Citigroup Inc | 20,058 | $257.7K | 0.00% | +13,972+229.6% | Added |
| Price T Rowe Associates Inc | 19,944 | $257.0K | 0.00% | +276+1.4% | Added |
| Wolverine Trading, LLC | 19,369 | $256.3K | 0.01% | −2,668−12.1% | Reduced |
| Walleye Capital LLC | 19,761 | $253.9K | 0.00% | +713+3.7% | Added |
| Cambridge Investment Research Advisors, Inc. | 19,227 | $247.0K | 0.00% | +19,227 | New |
| Royal Bank of Canada | 18,727 | $241.0K | 0.00% | +5,779+44.6% | Added |
| Amitell Capital Pte Ltd | 18,562 | $238.5K | 0.18% | −307,157−94.3% | Reduced |
| Riverwater Partners LLC | 17,635 | $216.9K | 0.11% | +17,635 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 15,197 | $195.3K | 0.00% | +554+3.8% | Added |
| MetLife Investment Management | 15,144 | $194.6K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 14,835 | $190.6K | 0.00% | −17,288−53.8% | Reduced |
| Corebridge Financial, Inc. | 14,793 | $190.1K | 0.00% | −91−0.6% | Reduced |
| Franklin Resources Inc | 11,888 | $186.2K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 14,201 | $182.5K | 0.00% | +4,366+44.4% | Added |
| Net Worth Advisory Group | 13,717 | $176.3K | 0.05% | +13,717 | New |
| JPMorgan Chase & Co | 13,515 | $173.7K | 0.00% | −77,334−85.1% | Reduced |
| Quest Partners LLC | 12,815 | $164.7K | 0.01% | +8,585+203.0% | Added |
| Tower Research Capital LLC (TRC) | 11,557 | $148.5K | 0.00% | +7,682+198.2% | Added |
| HighTower Advisors, LLC | 11,224 | $144.0K | 0.00% | +11,224 | New |
| Dark Forest Capital Management LP | 11,039 | $141.9K | 0.02% | +11,039 | New |
| Clarity Financial LLC | 11,030 | $141.7K | 0.02% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 11,000 | $141.3K | 0.01% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 10,680 | $137.2K | 0.00% | −365−3.3% | Reduced |
| New York State Common Retirement Fund | 10,433 | $134.1K | 0.00% | 00.0% | Unchanged |
| ARS Investment Partners, LLC | 10,323 | $132.7K | 0.01% | −1,422−12.1% | Reduced |
| SG Americas Securities, LLC | 10,107 | $130.0K | 0.00% | +10,107 | New |
| Wells Fargo & Company | 9,829 | $126.3K | 0.00% | −1,142−10.4% | Reduced |
| Parallax Volatility Advisers, L.P. | 8,890 | $114.2K | 0.00% | +373+4.4% | Added |
| Montanaro Asset Management Ltd | 8,750 | $112.4K | 0.02% | +8,750 | New |
| Walleye Trading LLC | 8,664 | $111.3K | 0.00% | +2,935+51.2% | Added |
| US Bancorp | 5,977 | $76.8K | 0.00% | +5,977 | New |
| Citadel Advisors LLC | 5,543 | $71.2K | 0.00% | −346,537−98.4% | Reduced |
| Steward Partners Investment Advisory, LLC | 4,975 | $63.9K | 0.00% | +3,175+176.4% | Added |
| Legal & General Group Plc | 3,250 | $41.8K | 0.00% | +195+6.4% | Added |
| Quarry LP | 3,212 | $41.3K | 0.01% | +3,212 | New |
| Truvestments Capital LLC | 2,787 | $35.8K | 0.01% | +2,787 | New |
| Ameritas Investment Partners, Inc. | 2,571 | $33.0K | 0.00% | 00.0% | Unchanged |