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TUDOR INVESTMENT CORP ET AL

Position in PRTA — Prothena Corp Public Ltd Co

CIK 923093 STAMFORD, CT

Position in PRTA

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$239,316
+$1,458 QoQ
Shares Held
24,445
-0.1% QoQ
Ownership
0.048%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#90
of 187 holders
Holding Since
Mar 2020
15 quarters on record
Voting authority Sole 50% Shared 50% None 0%

Common Shares in PRTA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

TUDOR INVESTMENT CORP ET AL holds $411,209,149 across 107 Biotechnology names. PRTA ranks #94 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $239,316 24,445
2026-03-31 $237,858 24,471
2025-12-31 $252,817 26,473
2025-09-30 $264,232 27,073
2025-06-30 $169,953 27,999
2024-12-31 $379,462 27,398
2024-09-30 $460,593 27,531
2024-06-30 $553,048 26,795
2023-12-31 $1,037,906 28,561
2023-03-31 $1,406,017 29,008
2022-06-30 $636,911 23,459
2021-09-30 $1,943,154 27,280
2021-06-30 $2,059,433 40,059
2020-09-30 $146,383 14,653
2020-03-31 $232,436 21,723