Who owns PROTHENA CORP PUBLIC LTD CO (PRTA)? Elite investor 13F holders

3 tracked elite investors reported holding PROTHENA CORP PUBLIC LTD CO as of 2026-06-30, including Rubric Capital, D.E. Shaw, Renaissance Technologies LLC. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

3 tracked investors currently reported holding · Latest report period: 2026-06-30 · Health Care · Pharmaceuticals, Biotechnology & Life Sciences

Reported holders and securities, including exits (up to 20)

Reported holders and securities, including exits (up to 20)
InvestorSecurityInstrumentReport periodFiledValueQuantityUnitsChangeSource
Rubric CapitalPROTHENA CORP PLCSHARE2026-06-302026-08-14 00:00:0048950000.00 USD5000000.000000SharesholdOriginal filing
D.E. ShawPROTHENA CORP PLCSHARE2026-06-302026-08-14 00:00:0015776164.00 USD1611457.000000SharesreduceOriginal filing
Renaissance Technologies LLCPROTHENA CORP PLCSHARE2026-06-302026-08-13 00:00:006829651.00 USD697615.000000SharesaddOriginal filing
Tudor InvestmentPROTHENA CORP PLCSHARE2026-06-302026-08-14 00:00:000.00 USD0.000000SharesexitedOriginal filing

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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