Position in PRTA
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$489,500
+$3,500 QoQ
Shares Held
50,000
0.0% QoQ
Ownership
0.097%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#66
of 187 holders
Holding Since
Dec 2020
23 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, 2026EDGEWOOD MANAGEMENT LLC holds $269,509,320 across 8 Biotechnology names. PRTA ranks #7 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
531,003 | $263,765,120 | |
| 2 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
25,000 | $2,037,750 | |
| 3 | AGIO |
Agios Pharmaceuticals, Inc.
|
35,000 | $1,298,850 | |
| 4 | BMRN |
Biomarin Pharmaceutical Inc
|
10,000 | $572,200 | |
| 5 | ARMP |
Armata Pharmaceuticals, Inc.
|
80,000 | $518,400 | |
| 6 | DNA |
Ginkgo Bioworks Holdings, Inc.
|
50,000 | $495,500 | |
| 7 | PRTA |
Prothena Corp Public Ltd Co
This page
|
50,000 | $489,500 | |
| 8 | SEER |
Seer, Inc.
|
200,000 | $332,000 |
All Filings in PRTA
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $489,500 | 50,000 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $486,000 | 50,000 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $229,773 | 24,060 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $234,825 | 24,060 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $146,044 | 24,060 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $297,742 | 24,060 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $333,231 | 24,060 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $402,523 | 24,060 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $496,598 | 24,060 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $595,966 | 24,060 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $874,340 | 24,060 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $1,160,895 | 24,060 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $1,642,816 | 24,060 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,166,188 | 24,060 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,449,615 | 24,060 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $1,515,750 | 25,000 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $678,750 | 25,000 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $914,250 | 25,000 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $1,235,000 | 25,000 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,780,750 | 25,000 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $1,285,250 | 25,000 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $628,000 | 25,000 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $300,250 | 25,000 | Shares | Sole | 2021-02-12 | |
| No filing history on record for this holder in this stock. | ||||||