PRTA
Prothena Corp Plc - USData as of 2026 Q2 (06-30) · 13F snapshot
Summary
Prothena Corp Plc - US (PRTA) is held as common stock by 3 tracked hedge-fund managers, with a combined reported value of ~$10.39M; the largest are Renaissance Technologies, Ken Griffin, Paul Tudor Jones. 2 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 added, 1 trimmed, 1 closed. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · LowThis quarter · Quiet
Common-stock holders32 also report options
Congress trades0
Price$8.72vs quarter-end-10.93%
Sectors0
This quarter's moves
Top holderNew0
Added1
Trimmed / sold2
Renaissance TechnologiesCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
Paul Tudor JonesHold
Value $239.3K0.0% of portfolio24,4452026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Paul Tudor Jones | $239.3K | 0.0% | Hold |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $1.47M— of portfolio149,9002026 Q2
Value $1.39M— of portfolio142,3002026 Q2
Value $1.14M— of portfolio116,9002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Izzy EnglanderCALL | $1.47M | — | — |
| Ken GriffinPUT | $1.39M | — | — |
| Ken GriffinCALL | $1.14M | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.