Position in FBRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$518,000
-$572,800 QoQ
Shares Held
20,000
-50.0% QoQ
Ownership
0.094%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FBRX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026683 Capital Management, LLC holds $349,034,024 across 34 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ANAB |
Anaptysbio, Inc
|
660,000 | $44,550,000 | |
| 2 | PTGX |
Protagonist Therapeutics, Inc
|
290,000 | $35,548,200 | |
| 3 | MGTX |
MeiraGTx Holdings plc
|
2,300,000 | $31,073,000 | |
| 4 | WVE |
Wave Life Sciences, Inc.
|
4,950,000 | $28,759,500 | |
| 5 | QURE |
uniQure N.V.
|
575,000 | $26,484,500 | |
| 6 | TGTX |
Tg Therapeutics, Inc.
|
389,081 | $21,376,110 | |
| 7 | PHAT |
Phathom Pharmaceuticals, Inc.
|
1,850,000 | $20,072,500 | |
| 8 | TRAX |
First Tracks Biotherapeutics, Inc.
|
750,000 | $15,090,000 |
All Filings in FBRX
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $518,000 | 20,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,090,800 | 40,000 | Shares | Defined | 2026-02-17 | |
| 2020-12-31 | $1,660,805 | 45,614 | Shares | Defined | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||