PRTA
PROTHENA CORP PLCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
PROTHENA CORP PLC (PRTA) is held by 5 tracked hedge-fund managers, a combined reported value of ~$19.99M; the largest are Renaissance Technologies, Ken Griffin, Steven Cohen. This quarter: 1 added, 2 trimmed, 1 closed. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Cooling
Gurus holding5
Congress trades0
Price$8.47vs quarter-end-12.86%
Sectors0
This quarter's moves
Top holderRenaissance TechnologiesNew0
Added1
Trimmed / sold3
Value $2.42M— of portfolio40,0002022 Q3
Value $849.5K— of portfolio87,4002026 Q1
Value $488.9K— of portfolio50,3002026 Q1
Value $484.1K— of portfolio49,8002026 Q1
Value $283.6K— of portfolio29,7002025 Q4
Value $283.6K— of portfolio29,7002025 Q4
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Izzy EnglanderPUT | $2.42M | — | — |
| Ken GriffinPUT | $849.5K | — | — |
| Izzy EnglanderCALL | $488.9K | — | — |
| Ken GriffinCALL | $484.1K | — | — |
| Steven CohenCALL | $283.6K | — | — |
| Steven CohenPUT | $283.6K | — | — |
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.