Aehr Test SystemsAEHR
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 262 institutions reported holding Aehr Test Systems (AEHR) in their 13F filings, up 71 from Q1 2026. 101 opened new positions and 30 sold out. The largest holders were BlackRock, Inc. ($255.5M), Vanguard Capital Management LLC ($126.8M) and D. E. Shaw & Co. ($113.1M). 7 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Aehr Test Systems
- CUSIP
- 00760J108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 101 | $256.4M |
| Exits | 30 | $52.5M |
All 13F filers, Q1 2026 → Q2 2026: 8,644,234 shares bought and 7,865,351 shares sold, net +778,883 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 262 holders
| BlackRock, Inc. | 0.00% | Add +16.3% | 2,659,542 | $255.5M |
| Vanguard Capital Management LLC | 0.00% | Add +3.0% | 1,320,350 | $126.8M |
| D. E. Shaw & Co. | 0.07% | Add +244.6% | 1,177,421 | $113.1M |
| Two Sigma Investments, LP | 0.09% | Add +443.3% | 1,164,614 | $111.9M |
| FMR LLC | 0.00% | Reduce -53.0% | 1,006,830 | $96.7M |
| Vanguard Portfolio Management LLC | 0.00% | Add +5.3% | 966,659 | $92.9M |
| Geode Capital Management, LLC | 0.00% | Add +20.6% | 875,505 | $84.1M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -35.8% | 810,036 | $77.8M |
| Jane Street Group, LLC | 0.05% | Add +172.0% | 753,523 | $72.4M |
| JPMorgan Chase & Co. | 0.00% | Add +284.9% | 732,547 | $69.6M |
| State Street Corp. | 0.00% | Add +14.4% | 712,926 | $68.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.12% | Add +206.6% | 670,758 | $64.4M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -62.4% | 507,035 | $48.7M |
| Morgan Stanley | 0.00% | Add +190.0% | 480,400 | $46.1M |
| Next Century Growth Investors LLC | 2.09% | Reduce -45.6% | 410,731 | $39.5M |
| Citadel Advisors | 0.02% | Add +183.6% | 400,732 | $38.5M |
| Marshall Wace, LLP | 0.03% | Add +3648.3% | 382,738 | $36.8M |
| AWM Investment Company, Inc. | 3.12% | Reduce -76.5% | 374,808 | $36.0M |
| T. Rowe Price Investment Management, Inc. | 0.02% | New | 318,127 | $30.6M |
| Invesco Ltd. | 0.00% | Add +3.7% | 296,226 | $28.5M |
| Northern Trust Corp. | 0.00% | Add +9.9% | 277,020 | $26.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +5.9% | 249,512 | $24.0M |
| Science & Technology Partners, L.P. | 4.03% | New | 249,000 | $23.9M |
| Lord, Abbett & Co. LLC | 0.07% | Add +38.1% | 247,640 | $23.8M |
| Wellington Management Group LLP | 0.00% | Add +56.0% | 238,453 | $22.9M |
| Driehaus Capital Management LLC | 0.13% | New | 238,422 | $22.9M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +8.0% | 212,881 | $20.4M |
| Tudor Investment Corporation | 0.08% | Add +324.4% | 204,550 | $19.6M |
| Baillie Gifford & Co. | 0.02% | Reduce -79.6% | 203,878 | $19.6M |
| Trexquant Investment LP | 0.12% | New | 201,892 | $19.4M |
| UBS Group AG | 0.00% | Reduce -31.5% | 169,123 | $16.2M |
| Neuberger Berman Group LLC | 0.01% | New | 167,664 | $16.1M |
| Bard Associates Inc. | 3.35% | Reduce -12.4% | 156,900 | $15.1M |
| KADENSA CAPITAL Ltd | 3.18% | New | 155,299 | $14.9M |
| Penn Capital Management Company, LLC | 0.92% | New | 150,547 | $14.5M |
| BNP Paribas Financial Markets | 0.01% | Add +2205.1% | 145,612 | $14.0M |
| Berkshire Capital Holdings Inc. | 2.96% | New | 142,640 | $13.7M |
| New York State Common Retirement Fund | 0.02% | Add +124.2% | 138,047 | $13.3M |
| Renaissance Technologies | 0.02% | New | 134,500 | $12.9M |
| Bank of America Corp. | 0.00% | Add +113.1% | 121,056 | $11.6M |
| Kultura Capital Management LP | 5.20% | Add +47.0% | 117,865 | $11.3M |
| Millennium Management | 0.01% | Add +13.6% | 108,877 | $10.5M |
| Nuveen, LLC | 0.00% | Add +45.9% | 102,621 | $9.9M |
| Barclays PLC | 0.00% | Add +93.9% | 101,249 | $9.7M |
| Gilder Gagnon Howe & Co. LLC | 0.10% | Reduce -77.5% | 100,204 | $9.6M |
| Bank of New York Mellon Corp | 0.00% | Add +4.7% | 93,571 | $9.0M |
| Dimensional Fund Advisors LP | 0.00% | Add +0.4% | 93,404 | $9.0M |
| Rice Hall James & Associates, LLC | 0.41% | Reduce -67.8% | 87,546 | $8.4M |
| Raymond James Financial Inc. | 0.00% | Add +15.3% | 86,773 | $8.3M |
| Algert Global LLC | 0.09% | New | 82,275 | $7.9M |
| Osaic Holdings, Inc. | 0.01% | Reduce -27.7% | 75,960 | $7.3M |
| HRT Financial LP | 0.01% | New | 67,264 | $6.5M |
| Polen Capital Management LLC | 0.05% | Reduce -16.7% | 66,157 | $6.4M |
| Franklin Resources Inc. | 0.00% | Add +389.3% | 64,831 | $6.2M |
| Evergreen Quality Fund GP, Ltd. | 0.10% | New | 62,380 | $6.0M |
| Pier Capital, LLC | 0.77% | Reduce -52.4% | 60,394 | $5.8M |
| Swiss National Bank | 0.00% | Add +4.2% | 59,900 | $5.8M |
| Royal Bank of Canada | 0.00% | Reduce -6.5% | 56,027 | $5.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +53.6% | 52,815 | $5.1M |
| Bouvel Investment Partners, LLC | 1.06% | Reduce -32.0% | 48,852 | $4.7M |
| Heritage Investors Management Corp. | 0.13% | Reduce -0.1% | 48,363 | $4.6M |
| Capital Fund Management S.A. | 0.03% | New | 44,892 | $4.3M |
| Harvest Investment Services, LLC | 0.66% | Add +91.0% | 44,359 | $4.3M |
| Schonfeld Strategic Advisors LLC | 0.02% | New | 44,106 | $4.2M |
| Russell Investments Group, Ltd. | 0.00% | Add +412.1% | 41,611 | $4.0M |
| Deutsche Bank AG | 0.00% | Add +53.3% | 40,960 | $3.9M |
| Premier Fund Managers Ltd | 0.36% | New | 41,362 | $3.9M |
| Rhumbline Advisers | 0.00% | Add +5.4% | 38,835 | $3.7M |
| Citigroup Inc. | 0.00% | Add +426.4% | 37,518 | $3.6M |
| Intrinsic Edge Capital Management LLC | 0.43% | New | 36,600 | $3.5M |
| Informed Momentum Co LLC | 0.31% | New | 36,322 | $3.5M |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 35,987 | $3.5M |
| Shariaportfolio, Inc. | 1.17% | New | 34,460 | $3.3M |
| California State Teachers Retirement System | 0.00% | Reduce -17.4% | 34,370 | $3.3M |
| Wells Fargo & Company | 0.00% | Add +45.1% | 34,170 | $3.3M |
| LPL Financial LLC | 0.00% | Add +191.8% | 32,430 | $3.1M |
| Ameriprise Financial Inc. | 0.00% | New | 31,946 | $3.1M |
| Havemeyer Place LP | 0.30% | New | 31,246 | $3.0M |
| Cambridge Investment Research Advisors, Inc. | 0.01% | Reduce -12.8% | 27,560 | $2.6M |
| SG Americas Securities, LLC | 0.00% | Add +136.1% | 26,877 | $2.6M |
| Sand Hill Global Advisors, LLC | 0.07% | New | 25,700 | $2.5M |
| Quantinno Capital Management LP | 0.00% | Reduce -15.8% | 24,017 | $2.3M |
| Legal & General Group Plc | 0.00% | Reduce -4.0% | 23,821 | $2.3M |
| Capstone Capital Management Ltd | 0.94% | New | 21,867 | $2.1M |
| Engineers Gate Manager LP | 0.03% | Add +5.2% | 21,542 | $2.1M |
| Voya Investment Management LLC | 0.00% | New | 21,484 | $2.1M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +9.1% | 20,929 | $2.0M |
| KP Management LLC | 0.40% | New | 20,000 | $1.9M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -37.8% | 19,035 | $1.8M |
| Vanguard Global Advisers, LLC | 0.00% | Reduce -9.3% | 17,841 | $1.7M |
| Blair William & Co. | 0.00% | New | 17,838 | $1.7M |
| MetLife Investment Management, LLC | 0.01% | Add +7.8% | 17,837 | $1.7M |
| Laurel Oak Wealth Management, LLC | 0.25% | Reduce -54.3% | 17,670 | $1.7M |
| State of Wisconsin Investment Board | 0.00% | Reduce -19.7% | 17,618 | $1.7M |
| Group One Trading LLC | 0.05% | Add +35.4% | 17,271 | $1.7M |
| Susquehanna International Group, LLP | 0.00% | Reduce -91.7% | 16,850 | $1.6M |
| Pictet Asset Management Holding SA | 0.00% | Add +187.7% | 16,654 | $1.6M |
| Cetera Investment Advisers | 0.00% | Add +19.6% | 16,652 | $1.6M |
| Tidal Investments LLC | 0.00% | New | 15,737 | $1.5M |
| Johnson Financial Group, LLC | 0.08% | Reduce -77.9% | 15,255 | $1.5M |
"% of holder's portfolio" is AEHR's weight in each manager's 13F, not the share of Aehr Test Systems the manager owns.