Position in PTGX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,961,280
+$380,280 QoQ
Shares Held
16,000
+6.7% QoQ
Ownership
0.025%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#148
of 341 holders
Holding Since
Dec 2021
4 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in PTGX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026BAMCO INC /NY/ holds $406,272,438 across 24 Biotechnology names. PTGX ranks #12 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MRNA |
Moderna, Inc.
|
1,989,386 | $139,316,701 | |
| 2 | ARGX |
Argenx SE
|
136,654 | $126,783,481 | |
| 3 | ARQT |
Arcutis Biotherapeutics, Inc.
|
1,253,120 | $32,856,806 | |
| 4 | ZLAB |
Zai Lab Ltd
|
1,623,694 | $30,850,186 | |
| 5 | MANE |
Veradermics, Inc
|
229,581 | $28,224,688 | |
| 6 | DFTX |
Definium Therapeutics, Inc.
|
520,108 | $24,465,880 | |
| 7 | ROIV |
Roivant Sciences Ltd.
|
125,000 | $4,423,750 | |
| 8 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
6,000 | $2,980,380 |
All Filings in PTGX
Export CSV
4 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,961,280 | 16,000 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $1,581,000 | 15,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $724,922 | 8,300 | Shares | Defined | 2026-02-17 | |
| 2021-12-31 | $889,200 | 26,000 | Shares | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||