COMMONWEALTH EQUITY SERVICES, LLC
Position in PRTA — Prothena Corp Public Ltd Co
CIK 312272
WALTHAM, MA
Position in PRTA
as of Jun 30, 2026
· filed Jul 29, 2026
Position Value
$111,703
-$4,256 QoQ
Shares Held
11,410
-4.4% QoQ
Ownership
0.022%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#114
of 187 holders
Holding Since
Mar 2025
4 quarters on record
Common Shares in PRTA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026COMMONWEALTH EQUITY SERVICES, LLC holds $124,479,036 across 113 Biotechnology names. PRTA ranks #83 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
50,813 | $25,240,341 | |
| 2 | TGTX |
Tg Therapeutics, Inc.
|
186,987 | $10,273,065 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
14,671 | $9,147,955 | |
| 4 | EXEL |
Exelixis, Inc.
|
105,998 | $5,767,351 | |
| 5 | TARS |
Tarsus Pharmaceuticals, Inc.
|
79,888 | $5,028,150 | |
| 6 | MRNA |
Moderna, Inc.
|
66,546 | $4,660,216 | |
| 7 | KRYS |
Krystal Biotech, Inc.
|
12,116 | $4,503,153 | |
| 8 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
55,170 | $4,496,906 |
All Filings in PRTA
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $111,703 | 11,410 | Shares | Sole | 2026-07-29 | |
| 2026-03-31 | $115,959 | 11,930 | Shares | Sole | 2026-04-27 | |
| 2025-06-30 | $71,747 | 11,820 | Shares | Sole | 2025-08-06 | |
| 2025-03-31 | $164,835 | 13,320 | Shares | Sole | 2025-05-09 | |
| No filing history on record for this holder in this stock. | ||||||