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SBI Securities Co., Ltd.

Broker-Dealer

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1851815 TOKYO, M0

Position in PRTA

as of Jun 30, 2026 · filed Jul 23, 2026
Position Value
$146
+$1 QoQ
Shares Held
15
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#177
of 187 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in PRTA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

SBI Securities Co., Ltd. holds $14,018,008 across 419 Biotechnology names. PRTA ranks #292 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $146 15
2026-03-31 $145 15
2025-12-31 $143 15
2025-09-30 $283 29
2025-06-30 $5,839 962
2025-03-31 $11,904 962
2024-12-31 $13,462 972