EcoR1 Capital, LLC - 02 May 2025 SCHEDULE 13D/A Report for PROTHENA CORP PUBLIC LTD CO Ordinary Shares (PRTA)

Filing Manager
EcoR1 Capital, LLC
Reporting Manager
EcoR1 Capital, LLC
Security
PROTHENA CORP PUBLIC LTD CO Ordinary Shares
Symbol
PRTA
Shares outstanding
53,581,778 shares
Disclosed Ownership
5,304,596 shares
Ownership
9.9%
Form type
SCHEDULE 13D/A
Filing time
06 May 2025, 19:08:33 UTC
Date of event
02 May 2025
Previous filing
03 Jan 2025
Next filing
29 May 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 9.9% 5,304,596 0 5,304,596 /s/ Oleg Nodelman Manager 0001587114
Oleg Nodelman 9.9% 5,304,596 0 5,304,596 /s/ Oleg Nodelman Reporting person 0001454385
EcoR1 Capital Fund Qualified, L.P. 9.2% 4,973,891 0 4,973,891 /s/ Oleg Nodelman Manager of the General Partner, EcoR1 Capital, LLC 0001598292