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HARBOUR INVESTMENTS, INC.

Position in PRTA — Prothena Corp Public Ltd Co

CIK 810121 MADISON, WI

Position in PRTA

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$9
+$0 QoQ
Shares Held
1
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#187
of 187 holders
Holding Since
Mar 2021
21 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

HARBOUR INVESTMENTS, INC. holds $3,692,406 across 134 Biotechnology names. PRTA ranks #122 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in PRTA

Export CSV
21 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $9 1
2026-03-31 $9 1
2025-12-31 $9 1
2025-09-30 $9 1
2025-06-30 $6 1
2025-03-31 $37 3
2024-12-31 $13 1
2024-09-30 $16 1
2024-06-30 $20 1
2024-03-31 $24 1
2023-12-31 $36 1
2023-09-30 $241 5
2023-06-30 $341 5
2023-03-31 $242 5
2022-12-31 $301 5
2022-09-30 $303 5
2022-06-30 $135 5
2021-12-31 $197 4
2021-09-30 $284 4
2021-06-30 $205 4
2021-03-31 $100 4