EcoR1 Capital, LLC - May 15, 2025 SCHEDULE 13D Report for iTeos Therapeutics, Inc. Common Stock (ITOS)

Filing Manager
EcoR1 Capital, LLC
Reporting Manager
EcoR1 Capital, LLC
Security
iTeos Therapeutics, Inc. Common Stock
Symbol
ITOS
Shares outstanding
38.3M shares
Disclosed Ownership
10.7M shares
Ownership
27.9%
Form type
SCHEDULE 13D
Date filed
5/16/2025, 07:22 PM
Date of event
May 15, 2025
Previous filing
May 13, 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
EcoR1 Capital, LLC 27.9% 10.7M 0 10.7M 0/s/ Oleg Nodelman Title/Manager 0001587114
Oleg Nodelman 27.9% 10.7M 0 10.7M /s/ Oleg Nodelman Reporting Person 0001454385
EcoR1 Capital Fund Qualified, L.P. 26.2% 10M 0 10M /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC 0001598292