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Livermore
Livermore
ZHEN

Rafferty Asset Management, LLC

SEC CIK
0001389426
Latest filing
Aug 14, 2026

PRTA holding history

Prothena Corp Public Ltd Co in every 13F filed by Rafferty Asset Management, 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)
40,397
Value
$395.5K
% of portfolio
<0.1%
Quarters held
20
Since Q1 2021
Holdings of PRTA by Rafferty Asset Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202640,397$395.5K<0.1%−12,869−24.2%ReducedHolders
Q1 202653,266$517.7K<0.1%−29,287−35.5%ReducedHolders
Q4 202582,553$788.4K<0.1%+82,553NewHolders
Q2 20250$00.0%−43,978−100.0%Sold outHolders
Q1 202543,978$544.2K<0.1%−33,694−43.4%ReducedHolders
Q4 202477,672$1.08M<0.1%+15,442+24.8%AddedHolders
Q3 202462,230$1.04M<0.1%−34,789−35.9%ReducedHolders
Q2 202497,019$2.00M<0.1%−206,436−68.0%ReducedHolders
Q1 2024303,455$7.52M<0.1%+96,036+46.3%AddedHolders
Q4 2023207,419$7.54M<0.1%+50,579+32.2%AddedHolders
Q3 2023156,840$7.57M<0.1%+37,262+31.2%AddedHolders
Q2 2023119,578$8.16M<0.1%−22,111−15.6%ReducedHolders
Q1 2023141,689$6.87M<0.1%+3,336+2.4%AddedHolders
Q4 2022138,353$8.34M0.1%+31,687+29.7%AddedHolders
Q3 2022106,666$6.47M0.1%+25,194+30.9%AddedHolders
Q2 202281,472$2.21M<0.1%−62,075−43.2%ReducedHolders
Q1 2022143,547$5.25M<0.1%+22,879+19.0%AddedHolders
Q4 2021120,668$5.96M<0.1%+79,871+195.8%AddedHolders
Q3 202140,797$2.91M<0.1%+6,621+19.4%AddedHolders
Q2 202134,176$1.76M<0.1%−6,902−16.8%ReducedHolders
Q1 202141,078$1.03M<0.1%––Holders

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