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BNP PARIBAS ARBITRAGE, SA

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1166588 NEW YORK, NY

Position in PRTA

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$3,091,711
-$1,035,362 QoQ
Shares Held
315,803
-25.6% QoQ
Ownership
0.615%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#29
of 187 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in PRTA Over Time

Shares Held

Position Value (USD)

Derivatives in PRTA

reported options exposure · as of Dec 31, 2023
CallValue
$3,997
CallShares
110
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Biotechnology

Healthcare · as of Jun 30, 2026

BNP PARIBAS ARBITRAGE, SA holds $3,275,701,265 across 414 Biotechnology names. PRTA ranks #86 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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27 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,091,711 315,803
2026-03-31 $4,127,073 424,596
2025-12-31 $4,048,770 423,955
2025-09-30 $2,225,377 228,010
2025-06-30 $284,343 46,844
2025-03-31 $118,515 9,577
2024-12-31 $1,348,754 97,383
2024-09-30 $934,236 55,842
2024-06-30 $796,951 38,612
2024-03-31 $798,906 32,253
2023-12-31 $3,379,765 93,004
2023-12-31 $3,997 110
2023-09-30 $5,076,672 105,216
2023-06-30 $1,857,693 27,207
2023-03-31 $2,715,531 56,025
2022-12-31 $1,531,012 25,411
2022-09-30 $2,328,616 38,407
2022-06-30 $225,317 8,299
2022-03-31 $112,379 3,073
2021-12-31 $411,255 8,325
2021-09-30 $481,087 6,754
2021-06-30 $64,056 1,246
2021-03-31 $442,011 17,596
2020-12-31 $73,044 6,082
2020-09-30 $100,119 10,022
2020-06-30 $58,283 5,572
2020-03-31 $183,804 17,178