Position in PRTA
as of Jun 30, 2026
· filed Jul 17, 2026
Position Value
$5,874
+$42 QoQ
Shares Held
600
0.0% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#15
of 24 holders
Holding Since
Dec 2024
7 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, 2026HM PAYSON & CO holds $1,342,005 across 18 Biotechnology names. PRTA ranks #8 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
2,052 | $1,019,289 | |
| 2 | CRSP |
CRISPR Therapeutics AG
|
2,320 | $126,532 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
105 | $65,471 | |
| 4 | RCUS |
Arcus Biosciences, Inc.
|
1,700 | $52,411 | |
| 5 | ICCC |
Immucell Corp /De/
|
4,000 | $40,200 | |
| 6 | RVMD |
Revolution Medicines, Inc.
|
50 | $9,364 | |
| 7 | DBVT |
DBV Technologies S.A.
|
420 | $6,888 | |
| 8 | PRTA |
Prothena Corp Public Ltd Co
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|
600 | $5,874 |
All Filings in PRTA
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,874 | 600 | Shares | Sole | 2026-07-17 | |
| 2026-03-31 | $5,832 | 600 | Shares | Sole | 2026-04-13 | |
| 2025-12-31 | $5,730 | 600 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $5,856 | 600 | Shares | Sole | 2025-10-17 | |
| 2025-06-30 | $3,642 | 600 | Shares | Sole | 2025-10-17 | |
| 2025-03-31 | $7,425 | 600 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $11,080 | 800 | Shares | Sole | 2025-02-07 | |
| No filing history on record for this holder in this stock. | ||||||