Filing Manager
Commodore Capital LP
Reporting Manager
Commodore Capital LP
Symbol
ANRO
Shares outstanding
32,553,745 shares
Disclosed Ownership
3,190,267 shares
Ownership
9.8%
Form type
SCHEDULE 13G
Filing time
27 Oct 2025, 16:02:16 UTC
Date of event
20 Oct 2025
Next filing
17 Feb 2026

Quoteable Key Fact

"Commodore Capital LP disclosed 9.8% ownership in Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO) on 20 Oct 2025."

Quick Takeaways

  • Commodore Capital LP filed SCHEDULE 13G for Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO).
  • Disclosed ownership: 9.8%.
  • Date of event: 20 Oct 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 27 Oct 2025, 16:02.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Commodore Capital LP 9.8% 3,190,267 0 3,190,267 Michael Kramarz Managing Partner
Commodore Capital Master LP 9.8% 3,190,267 0 3,190,267 Michael Kramarz Authorized Signatory
Robert Egen Atkinson 9.8% 3,190,267 0 3,190,267 Robert Egen Atkinson Authorized Signatory
Michael Kramarz 9.8% 3,190,267 0 3,190,267 Michael Kramarz Authorized Signatory
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