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PINNACLE ASSOCIATES LTD

Position in PRTA — Prothena Corp Public Ltd Co

CIK 743127 NEW YORK, NY

Position in PRTA

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$567,017
-$22,617 QoQ
Shares Held
57,918
-4.5% QoQ
Ownership
0.113%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#62
of 187 holders
Holding Since
Mar 2020
26 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

PINNACLE ASSOCIATES LTD holds $169,348,366 across 22 Biotechnology names. PRTA ranks #14 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $567,017 57,918
2026-03-31 $589,634 60,662
2025-12-31 $599,014 62,724
2025-09-30 $695,507 71,261
2025-06-30 $449,659 74,079
2025-03-31 $1,240,705 100,259
2024-12-31 $1,427,671 103,081
2024-09-30 $2,103,747 125,747
2024-06-30 $2,536,656 122,900
2024-03-31 $3,102,789 125,264
2023-12-31 $4,569,645 125,747
2023-09-30 $6,031,539 125,006
2023-06-30 $8,907,740 130,459
2023-03-31 $6,557,070 135,281
2022-12-31 $8,288,652 137,571
2022-09-30 $8,494,020 140,096
2022-06-30 $3,921,165 144,426
2022-03-31 $5,296,579 144,834
2021-12-31 $7,469,971 151,214
2021-09-30 $10,811,004 151,776
2021-06-30 $10,586,244 205,918
2021-03-31 $7,022,547 279,560
2020-12-31 $3,710,849 308,980
2020-09-30 $3,306,789 331,010
2020-06-30 $3,586,849 342,911
2020-03-31 $3,733,829 348,956