Alto Neuroscience, Inc. (ANRO) Institutional Ownership & Insider Trading
114 institutions reported holding Alto Neuroscience, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 3 insider trades on Form 4.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- Market cap
- 862.1M
- P/E TTM
- —
- Dividend yield
- —
- 52-week
- —
- Next earnings
- 11 Nov, in 18 days
Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters114 institutions held 75.1% of the shares. Across filers that reported both quarters, shares held changed +9.8%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 114 | 29 | +9.8% | 36 | 25 | 24 | 21 |
| Mar 26 | 110 | 27 | +10.8% | 27 | 21 | 37 | 8 |
| Dec 25 | 96 | 24 | +46.8% | 26 | 26 | 24 | 7 |
| Sep 25 | 77 | 17 | -2.1% | 17 | 6 | 24 | 10 |
| Jun 25 | 79 | 17 | -17.5% | 21 | 17 | 23 | 22 |
| Mar 25 | 83 | 21 | -7.3% | 16 | 18 | 25 | 9 |
| Dec 24 | 77 | 23 | -1.9% | 30 | 21 | 10 | 21 |
| Sep 24 | 74 | 23 | — | — | — | — | — |
Alto Neuroscience, Inc. — questions
- Who owns Alto Neuroscience, Inc. stock?
- 114 institutions reported Alto Neuroscience, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: Alpha Wave Global, LP (9.4%), Commodore Capital LP (6.9%), BlackRock, Inc. (5.4%).
- Are Alto Neuroscience, Inc. insiders buying or selling?
- 3 insider trades on Form 4; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Alto Neuroscience, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.