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Quantbot Technologies LP

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1512991 NEW YORK, NY

Position in PRTA

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$15,771
-$16,430 QoQ
Shares Held
1,611
+23.9% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#137
of 188 holders
Holding Since
Dec 2020
6 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

Quantbot Technologies LP holds $29,328,891 across 118 Biotechnology names. PRTA ranks #106 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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6 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,771 1,611
2024-03-31 $32,201 1,300
2021-12-31 $263,697 5,338
2021-09-30 $42,738 600
2021-03-31 $61,569 2,451
2020-12-31 $25,221 2,100