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GSA CAPITAL PARTNERS LLP

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1362033 LONDON, X0

Position in PRTA

as of Mar 31, 2026 · filed May 8, 2026
Position Value
$315,890
+$64,210 QoQ
Shares Held
32,499
+23.3% QoQ
Ownership
0.063%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2020
10 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

GSA CAPITAL PARTNERS LLP holds $104,909,103 across 164 Biotechnology names.

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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10 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $315,890 32,499
2025-12-31 $251,680 26,354
2025-06-30 $1,278,068 210,555
2024-09-30 $484,182 28,941
2023-12-31 $1,266,449 34,850
2023-03-31 $1,011,132 20,861
2022-03-31 $1,138,862 31,142
2021-12-31 $654,994 13,259
2021-09-30 $257,211 3,611
2020-12-31 $181,290 15,095