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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

PRTA holding history

Prothena Corp Public Ltd Co in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PRTA overviewAll 13F holders of PRTAFull Q2 2026 holdings

Shares (Q2 2026)
697,615
Value
$6.83M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of PRTA by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026697,615$6.83M<0.1%+90,100+14.8%AddedHolders
Q1 2026607,515$5.91M<0.1%+172,000+39.5%AddedHolders
Q4 2025435,515$4.16M<0.1%+64,215+17.3%AddedHolders
Q3 2025371,300$3.62M<0.1%+281,100+311.6%AddedHolders
Q2 202590,200$547.5K<0.1%−149,700−62.4%ReducedHolders
Q1 2025239,900$2.97M<0.1%+38,000+18.8%AddedHolders
Q4 2024201,900$2.80M<0.1%+19,100+10.4%AddedHolders
Q3 2024182,800$3.06M<0.1%−146,700−44.5%ReducedHolders
Q2 2024329,500$6.80M<0.1%−60,200−15.4%ReducedHolders
Q1 2024389,700$9.65M<0.1%+53,900+16.1%AddedHolders
Q4 2023335,800$12.2M<0.1%+75,200+28.9%AddedHolders
Q3 2023260,600$12.6M<0.1%−63,200−19.5%ReducedHolders
Q2 2023323,800$22.1M<0.1%−83,500−20.5%ReducedHolders
Q1 2023407,300$19.7M<0.1%−67,600−14.2%ReducedHolders
Q4 2022474,900$28.6M<0.1%−162,000−25.4%ReducedHolders
Q3 2022636,900$38.6M0.1%−49,100−7.2%ReducedHolders
Q2 2022686,000$18.6M<0.1%+291,800+74.0%AddedHolders
Q1 2022394,200$14.4M<0.1%+127,400+47.8%AddedHolders
Q4 2021266,800$13.2M<0.1%+9,600+3.7%AddedHolders
Q3 2021257,200$18.3M<0.1%+18,900+7.9%AddedHolders
Q2 2021238,300$12.3M<0.1%−50,700−17.5%ReducedHolders
Q1 2021289,000$7.26M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.