AEHR Institutional Ownership
Who owns Aehr Test Systems and what the big funds did with it last quarter, from every SEC 13F filing. 266 funds reported holding AEHR at Jun 30, 2026, together owning 71.5% of the company.
- ▲177 buying vs 100 selling
- ▲Held by funds +2.4 pts
- ▲Funds holding +72
- ▲Superinvestors: 3 added, 1 cut
- ▼Put/call 0.20 to 0.24
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 266 | 194 | +37.1% |
| In funds' top 10 | 5 | 2 | +150.0% |
| 13F shares | 23.3M | 22.5M | +3.5% |
| Held by funds | 71.5% | 69.1% | +2.4 pts |
| New positions | 102 | 56 | +82.1% |
| Increased | 75 | 63 | +19.0% |
| Reduced | 70 | 47 | +48.9% |
| Sold out | 30 | 17 | +76.5% |
| Calls (shares) | 1.3M | 1.5M | −12.2% |
| Puts (shares) | 311K | 292K | +6.8% |
| Put/call ratio | 0.24 | 0.20 | +21.6% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in AEHR
All superinvestors →
Who owns AEHR
share of fund held shares- Index and passive funds33.2%
- Active managers and hedge funds49.1%
- Banks and brokers16.7%
- Pensions, insurers and other1.1%
The top 10 holders own 49.1% of all AEHR shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
77 funds changed their position- Tema Etfs LLCAdded+84K sh
- Broad Peak Investment Advisers Pte LtdNew+50K sh
- Premier Fund Managers LtdAdded+48K sh
- Principal Financial Group IncAdded+47K sh
- Cambridge Investment Research Advisors, Inc.Trimmed−24K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.15% | 2.7M | $255M | +373K |
| 2 | Vanguard Capital Management LLC | 4.05% | 1.3M | $127M | +38K |
| 3 | D. E. Shaw & Co., Inc. | 3.61% | 1.2M | $113M | +836K |
| 4 | Two Sigma Investments, LP | 3.57% | 1.2M | $112M | +950K |
| 5 | Fmr LLC | 3.09% | 1M | $96.7M | −1.1M |
| 6 | Vanguard Portfolio Management LLC | 2.96% | 967K | $92.9M | +49K |
| 7 | Geode Capital Management, LLC | 2.68% | 876K | $84.1M | +150K |
| 8 | Goldman Sachs Group Inc | 2.48% | 810K | $77.8M | −452K |
| 9 | Jane Street Group, LLC | 2.31% | 754K | $72.4M | +476K |
| 10 | Jpmorgan Chase & Co | 2.25% | 733K | $69.6M | +542K |
- Two Sigma Investments, LP+950K sh+$91.3M
- D. E. Shaw & Co., Inc.+836K sh+$80.3M
- Jpmorgan Chase & Co+542K sh+$51.5M
- Jane Street Group, LLC+476K sh+$45.8M
- Connor, Clark & Lunn Investment Management Ltd.+452K sh+$43.4M
- BlackRock, Inc.+373K sh+$35.8M
- Marshall Wace, LLP+373K sh+$35.8M
- T. Rowe Price Investment Management, Inc.+318K sh+$30.6M
- AWM Investment Company, Inc.−1.2M sh−$117M
- Fmr LLC−1.1M sh−$109M
- Price T Rowe Associates Inc /md/−842K sh−$80.9M
- Baillie Gifford & Co−797K sh−$76.6M
- Goldman Sachs Group Inc−452K sh−$43.4M
- Gilder Gagnon Howe & Co LLC−344K sh−$33.1M
- Next Century Growth Investors LLC−344K sh−$33M
- Walleye Capital LLC−267K sh−$25.6M
AEHR institutional ownership FAQ
Who owns the most AEHR stock?
In Q2 2026 13F filings the largest holder of AEHR was BlackRock, Inc., followed by Vanguard Capital Management LLC and D. E. Shaw & Co., Inc.. Index fund managers are usually the biggest holders of large companies.
What percentage of AEHR is owned by institutions?
Funds that file 13F reports held 71.5% of AEHR's shares at Jun 30, 2026, compared with 69.1% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying AEHR?
In Q2 2026, 177 funds bought AEHR (102 of them new positions) and 100 sold (30 sold out completely). Among well known investors, 3 added and 1 cut. Our fund sentiment for AEHR is bullish.
What is AEHR's institutional put/call ratio?
Funds reported $29.9M of AEHR puts against $124M of calls, a put/call ratio of 0.24 (0.20 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this AEHR ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.