EcoR1 Capital, LLC - 31 Mar 2025 SCHEDULE 13G/A Report for Tectonic Therapeutic, Inc. Common Stock (TECX)

Filing Manager
EcoR1 Capital, LLC
Reporting Manager
EcoR1 Capital, LLC
Symbol
TECX
Shares outstanding
18,702,420 shares
Disclosed Ownership
935,121 shares
Ownership
5%
Form type
SCHEDULE 13G/A
Filing time
15 May 2025, 14:24:51 UTC
Date of event
31 Mar 2025
Next filing
14 Nov 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
EcoR1 Capital, LLC 5% 935,121 0 935,121 /s/ Oleg Nodelman Manager
Oleg Nodelman 5% 935,121 0 935,121 /s/ Oleg Nodelman Reporting person
EcoR1 Capital Fund Qualified, L.P. 4.7% 879,710 0 879,710 /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC