Filing Manager
PERCEPTIVE ADVISORS LLC
Reporting Manager
Perceptive Advisors LLC
Symbol
ANRO
Shares outstanding
32,531,872 shares
Disclosed Ownership
3,249,934 shares
Ownership
10%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:00:03 UTC
Date of event
31 Dec 2025
Previous filing
10 Oct 2025

Sponsored

Quoteable Key Fact

"PERCEPTIVE ADVISORS LLC disclosed 10% ownership in Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO) on 31 Dec 2025."

Quick Takeaways

  • PERCEPTIVE ADVISORS LLC filed SCHEDULE 13G/A for Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO).
  • Disclosed ownership: 10%.
  • Date of event: 31 Dec 2025.

What Changed

  • Previous schedule filing date: 10 Oct 2025.
  • Current filing was accepted on 17 Feb 2026, 16:00.

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.

Official SEC Source

Backed by Schedule 13D/13G

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

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Perceptive Advisors LLC 10% 3,249,934 0 3,249,934 /s/ Joseph Edelman Joseph Edelman, Managing Member
Joseph Edelman 10% 3,249,934 0 3,249,934 /s/ Joseph Edelman Joseph Edelman
Perceptive Life Sciences Master Fund, Ltd. 10% 3,249,934 0 3,249,934 /s/ Joseph Edelman Joseph Edelman, Managing Member