PERCEPTIVE ADVISORS LLC - 03 Oct 2025 SCHEDULE 13G Report for Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share (ANRO)

Filing Manager
PERCEPTIVE ADVISORS LLC
Reporting Manager
Perceptive Advisors LLC
Security
Alto Neuroscience, Inc. Common Stock, $0.0001 par value per share
Symbol
ANRO
Shares outstanding
27,251,959 shares
Disclosed Ownership
1,989,393 shares
Ownership
7.3%
Form type
SCHEDULE 13G
Filing time
10 Oct 2025, 12:50:44 UTC
Date of event
03 Oct 2025
Next filing
17 Feb 2026
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Perceptive Advisors LLC 7.3% 1,989,393 0 1,989,393 /s/ Joseph Edelman Joseph Edelman, Managing Member
Joseph Edelman 7.3% 1,989,393 0 1,989,393 /s/ Joseph Edelman Joseph Edelman
Perceptive Life Sciences Master Fund, Ltd. 7.3% 1,989,393 0 1,989,393 /s/ Joseph Edelman Joseph Edelman, Managing Member