Paul Tudor Jones's PRTA Position Overview
Paul Tudor Jones (via Tudor Investment Corp Et Al) currently holds 24,471 shares of Prothena Corporation plc (PRTA) worth $237,858, representing 0.00% of the portfolio. First purchased in 2014-Q2, this long-term strategic position has been held for 38 quarters.
Based on 13F filings, Paul Tudor Jones has maintained a strategic position in PRTA, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2021, adding 40,059 shares. Largest reduction occurred in Q2 2017, reducing 38,008 shares.
Analysis based on 13F filings available since 2013 Q2
Paul Tudor Jones's Prothena Corporation plc (PRTA) Holding Value Over Time
Track share changes against reported price movement
Quarterly Prothena Corporation plc (PRTA) Trades by Paul Tudor Jones
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -2,002 | Reduce 7.56% | 24,471 | $9.72 |
| Q4 2025 | -600 | Reduce 2.22% | 26,473 | $9.55 |
| Q3 2025 | -926 | Reduce 3.31% | 27,073 | $9.76 |
| Q2 2025 | +27,999 | New Buy | 27,999 | $6.07 |
| Q1 2025 | -27,398 | Sold Out | 0 | $0.00 |
| Q4 2024 | -133 | Reduce 0.48% | 27,398 | $13.85 |
| Q3 2024 | +736 | Add 2.75% | 27,531 | $16.73 |
| Q2 2024 | +26,795 | New Buy | 26,795 | $20.64 |
| Q1 2024 | -28,561 | Sold Out | 0 | $0.00 |
| Q4 2023 | +28,561 | New Buy | 28,561 | $36.34 |
| Q2 2023 | -29,008 | Sold Out | 0 | $0.00 |
| Q1 2023 | +29,008 | New Buy | 29,008 | $0.05 |
| Q3 2022 | -23,459 | Sold Out | 0 | $0.00 |
| Q2 2022 | +23,459 | New Buy | 23,459 | $27.15 |
| Q4 2021 | -27,280 | Sold Out | 0 | $0.00 |
| Q3 2021 | -12,779 | Reduce 31.90% | 27,280 | $71.22 |
| Q2 2021 | +40,059 | New Buy | 40,059 | $51.40 |
| Q4 2020 | -14,653 | Sold Out | 0 | $0.00 |
| Q3 2020 | +14,653 | New Buy | 14,653 | $9.96 |
| Q2 2020 | -21,723 | Sold Out | 0 | $0.00 |
| Q1 2020 | +9,871 | Add 83.29% | 21,723 | $10.68 |
| Q4 2019 | -35,193 | Reduce 74.81% | 11,852 | $15.86 |
| Q3 2019 | -248 | Reduce 0.52% | 47,045 | $7.84 |
| Q2 2019 | +16,820 | Add 55.20% | 47,293 | $10.57 |
| Q1 2019 | +13,113 | Add 75.54% | 30,473 | $12.14 |
| Q4 2018 | +6,475 | Add 59.49% | 17,360 | $10.31 |
| Q3 2018 | +10,885 | New Buy | 10,885 | $13.05 |
| Q2 2018 | -7,463 | Sold Out | 0 | $0.00 |
| Q1 2018 | +7,463 | New Buy | 7,463 | $36.71 |
| Q4 2017 | -3,297 | Sold Out | 0 | $0.00 |
| Q3 2017 | +3,297 | New Buy | 3,297 | $64.91 |
| Q2 2017 | -38,008 | Sold Out | 0 | $0.00 |
| Q1 2017 | +38,008 | New Buy | 38,008 | $55.78 |
| Q4 2015 | -5,601 | Sold Out | 0 | $0.00 |
| Q3 2015 | -6,541 | Reduce 53.87% | 5,601 | $45.35 |
| Q2 2015 | +12,142 | New Buy | 12,142 | $52.71 |
| Q3 2014 | -30,549 | Sold Out | 0 | $0.00 |
| Q2 2014 | +30,549 | New Buy | 30,549 | $22.55 |
Paul Tudor Jones's Prothena Corporation plc Investment FAQs
Paul Tudor Jones first purchased Prothena Corporation plc (PRTA) in Q2 2014, acquiring 30,549 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Paul Tudor Jones has held Prothena Corporation plc (PRTA) for 38 quarters since Q2 2014.
Paul Tudor Jones's largest addition to Prothena Corporation plc (PRTA) was in Q2 2021, adding 40,059 shares worth $2.06 M.
According to the latest 13F filing for Q1 2026, Paul Tudor Jones's firm, Tudor Investment Corp Et Al, owns 24,471 shares of Prothena Corporation plc (PRTA), valued at approximately $237,858.
As of the Q1 2026 filing, Prothena Corporation plc (PRTA) represents approximately 0.00% of Paul Tudor Jones's publicly disclosed stock portfolio, making it one of their key holdings.
Paul Tudor Jones's peak holding in Prothena Corporation plc (PRTA) was 47,293 shares, as reported at the end of Q2 2019.