Companies / Alto Neuroscience, Inc.
Alto Neuroscience, Inc.
NYSE: ANROCIK 1999480MOUNTAIN VIEW, CA
Financials
Ownership
39.2M shares outstanding · as of Aug 7, 2026
Ownership
| Insiders | 3.21% | 1,258,009 |
| 10%+ / strategic | 3.91% | 1,536,000 |
| Institutions | 65.91% | 25,864,775 |
| Public float | 26.97% | 10,583,320 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 8
View all →| Insider | % of shares | Shares |
|---|---|---|
Etkin AmitCEOPRESIDENT AND CEO · Director | 3.14% | 1,233,949 |
Smith Nicholas ConradCHIEF FINANCIAL OFFICER & CBO | 0.06% | 24,060 |
Cox Christopher NixonDirector | — | — |
Hanley Jr. Michael ConickCHIEF OPERATING OFFICER | — | — |
Manji HusseiniDirector | — | — |
Sanchez RamiroFormerDirector | — | — |
Savitz AdamFormerCHIEF MEDICAL OFFICER | — | — |
York GwillDirector | — | — |
Institutional holders 103
View all →| Holder | Value | % of shares |
|---|---|---|
| $66.00M | 9.45% | |
| $55.97M | 5.40% | |
| $45.18M | 5.12% | |
| $44.23M | 6.33% | |
| $32.45M | 4.65% | |
| $28.60M | 4.09% | |
| $27.34M | 3.91% | |
| $24.31M | 3.48% | |
| $19.93M | 2.85% | |
| $18.48M | 2.09% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common Stock | $39.93M | +1.5M +248.92% | 2,121,009 5.40% of shares | medium |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common Stock | $14.65M | +555K +424.96% | 685,945 1.75% of shares | medium |
| Q1 2026 as of | Adage Capital Partners Gp, L.L.C. 13F manager | New | Common Stock | $8.65M | +385K | 385,000 0.98% of shares | medium |
| Q1 2026 as of | Alkeon Capital Management LLC 13F manager | Trim | Common Stock | $-5.62M | -250K -52.40% | 227,101 0.58% of shares | medium |
| Q1 2026 as of | Perceptive Advisors LLC 13F manager | Add | Common Stock | $5.07M | +226K +12.64% | 2,009,893 5.12% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common Stock | $4.32M | +192K +30.48% | 821,982 2.09% of shares | low |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common Stock | $-1.79M | -79K -63.67% | 45,343 0.12% of shares | low |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common Stock | $1.70M | +76K +54.01% | 216,099 0.55% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Perceptive Advisors LLC | Passive13G/A | — |
| Armistice Capital, LLC | Passive13G/A | — |
| Armistice Capital, LLC | Passive13G/A | — |
| Point72 Asset Management, L.P. | Passive13G/A | — |
| Commodore Capital LP | Passive13G/A | — |
| K2 HealthVentures Equity Trust LLC | Passive13G/A | — |
| Vestal Point Capital, LP | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| ANRO | Common Stock | 02157Q109 |