Purkiss Capital Advisors LLC
Position in PRTA — Prothena Corp Public Ltd Co
CIK 2053150
RIDGEFIELD, CT
Position in PRTA
as of Jun 30, 2026
· filed Jul 30, 2026
Position Value
$245,591
+$1,756 QoQ
Shares Held
25,086
0.0% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#89
of 187 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority
Sole 2%
Shared 0%
None 98%
Common Shares in PRTA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Purkiss Capital Advisors LLC holds $245,591 across 1 Biotechnology name. PRTA ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PRTA |
Prothena Corp Public Ltd Co
This page
|
25,086 | $245,591 |
All Filings in PRTA
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $245,591 | 25,086 | Shares | Sole | 2026-07-30 | |
| 2026-03-31 | $243,835 | 25,086 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $239,571 | 25,086 | Shares | Sole | 2026-02-04 | |
| 2025-09-30 | $247,767 | 25,386 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $151,167 | 24,904 | Shares | Sole | 2025-08-01 | |
| 2025-03-31 | $267,658 | 21,629 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $148,596 | 10,729 | Shares | Sole | 2025-02-05 | |
| No filing history on record for this holder in this stock. | ||||||