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SBI Securities Co., Ltd.

SEC CIK
0001851815
Latest filing
Jul 22, 2026

PRTA holding history

Prothena Corp Public Ltd Co in every 13F filed by SBI Securities Co., Ltd., 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)
15
Value
$147
% of portfolio
<0.1%
Quarters held
7
Since Q4 2024
Holdings of PRTA by SBI Securities Co., Ltd., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202615$147<0.1%00.0%UnchangedHolders
Q1 202615$146<0.1%00.0%UnchangedHolders
Q4 202515$143<0.1%−14−48.3%ReducedHolders
Q3 202529$283<0.1%−933−97.0%ReducedHolders
Q2 2025962$5.84K<0.1%00.0%UnchangedHolders
Q1 2025962$11.9K<0.1%−10−1.0%ReducedHolders
Q4 2024972$13.5K<0.1%–No prior filingHolders