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Of the 13 tracked institutions holding AEHR, 6 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +3.2pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, AEHR (AEHR TEST SYS) is held with a combined value of $623.81M across 8,407,272 shares. The largest holder is BlackRock, Inc. with a position worth $255.48M. 3 funds opened new positions in the most recent quarter. 6 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$623.81M
Total Shares Held
8,407,272
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $255.48M | 0.00% | +16.3% |
| 2 | FMR LLC | $96.72M | 0.00% | -53.0% |
| 3 | STATE STREET CORP | $68.48M | 0.00% | +14.4% |
| 4 | PRICE T ROWE ASSOCIATES INC /MD/ | $48.71M | 0.00% | -62.4% |
| 5 | VANGUARD GROUP INC | $47.19M | 0.00% | +2.2% |
| 6 | CITADEL ADVISORS LLC | $38.49M | 0.02% | +183.6% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | $22.91M | 0.00% | +56.0% |
| 8 | BAILLIE GIFFORD & CO | $19.58M | 0.02% | -79.6% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | $12.92M | 0.02% | New |
| 10 | MILLENNIUM MANAGEMENT LLC | $10.46M | 0.01% | -44.4% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of AEHR with a position worth $255.48M, representing 0.00% of their portfolio. In total, 13 institutional investors hold AEHR with a combined value of $623.81M.
In the most recent quarter, 3 funds opened a new position in AEHR. Additionally, 6 increased their holdings and 4 reduced their positions.
Institutional investors hold $623.81M worth of AEHR stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $255.48M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AEHR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AEHR positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-06 |
| 5.1% | 2026-07-29 |
SEC Schedule 13D (activist) and 13G (passive) filings for AEHR. Filed when an investor acquires 5%+ ownership.
Last Close
$60.60
2026-10-16
YTD
+173.5%
33% of 52-week range
