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Parallel Advisors, LLC

Position in PRTA — Prothena Corp Public Ltd Co

CIK 1690010 SAN FRANCISCO, CA

Position in PRTA

as of Jun 30, 2026 · filed Aug 5, 2026
Position Value
$2,055
-$822 QoQ
Shares Held
210
-29.1% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#152
of 187 holders
Holding Since
Mar 2020
22 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in PRTA Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

Parallel Advisors, LLC holds $359,916,636 across 168 Biotechnology names. PRTA ranks #111 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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22 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $2,055 210
2026-03-31 $2,877 296
2025-12-31 $1,709 179
2025-09-30 $1,747 179
2025-06-30 $3,599 593
2025-03-31 $866 70
2024-12-31 $969 70
2024-09-30 $0 0
2024-06-30 $598 29
2024-03-31 $297 12
2022-12-31 $180 3
2022-09-30 $60,326 995
2022-06-30 $27,014 995
2022-03-31 $36,496 998
2021-12-31 $49,153 995
2021-09-30 $70,873 995
2021-06-30 $81,998 1,595
2021-03-31 $24,994 995
2020-12-31 $11,949 995
2020-09-30 $11,068 1,108
2020-06-30 $11,589 1,108
2020-03-31 $1,209 113