Position in TBPH
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$4,057,500
New position
Shares Held
250,000
first reported quarter
Ownership
0.485%
of shares outstanding
% of Portfolio
0.41%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Biotechnology
Healthcare · as of Mar 31, 2026683 Capital Management, LLC holds $295,129,102 across 63 Biotechnology names. TBPH ranks #15 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PTGX |
Protagonist Therapeutics, Inc
|
355,000 | $37,417,000 | |
| 2 | WVE |
Wave Life Sciences Ltd.
|
4,900,000 | $35,525,000 | |
| 3 | ANAB |
Anaptysbio, Inc
|
625,000 | $34,662,468 | |
| 4 | MGTX |
MeiraGTx Holdings plc
|
2,450,000 | $21,217,000 | |
| 5 | PHAT |
Phathom Pharmaceuticals, Inc.
|
1,850,000 | $20,553,500 | |
| 6 | TGTX |
Tg Therapeutics, Inc.
|
590,000 | $19,599,800 | |
| 7 | SRPT |
Sarepta Therapeutics, Inc.
|
750,000 | $16,320,000 | |
| 8 | ZVRA |
Zevra Therapeutics, Inc.
|
975,000 | $9,087,000 |
All Filings in TBPH
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $4,057,500 | 250,000 | Shares | Defined | 2026-05-15 | |
| No filing history on record for this holder in this stock. | ||||||