683 Capital Management, LLC reported 106 positions worth $1.02B for the quarter ended Jun 30, 2026, up 5.7% on the prior quarter. It opened 14 new positions, added to 26, trimmed 37 and exited 88. Its largest holding is Capital One Financial Corp at 7.2% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| U Unity Software Inc. | +615.0K | – | $17.58M | 1.73% |
| TRAX First Tracks Biotherapeutics, Inc. | +750.0K | – | $15.09M | 1.48% |
| SE Sea Ltd | +135.0K | – | $12.94M | 1.27% |
| HRMY Harmony Biosciences Holdings, Inc. | +294.0K | – | $10.70M | 1.05% |
| NU Nu Holdings Ltd. | +750.0K | – | $10.02M | 0.985% |
| LEN Lennar Corp | +95.0K | +1,900.0% | $8.60M | 0.89% |
| HHH Howard Hughes Holdings Inc. | +104.5K | +294.4% | $7.47M | 0.984% |
| AMTM Amentum Holdings, Inc. | +325.0K | +41.9% | $6.72M | 2.24% |
| GOSS Gossamer Bio, Inc. | +427.5K | +684.0% | $5.63M | 0.634% |
| ALNY Alnylam Pharmaceuticals, Inc. | +14.0K | +66.7% | $4.21M | 1.04% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| ASTH Astrana Health, Inc. | -490.0K | -70.0% | $22.74M | 0.958% |
| GXO GXO Logistics, Inc. | -285.0K | -57.0% | $14.45M | 1.07% |
| LLY ELI LILLY & Co | -15.0K | -100.0% | $13.80M | Exited |
| TGTX Tg Therapeutics, Inc. | -200.9K | -34.1% | $11.04M | 2.1% |
| LEN-B Lennar Corp | -115.0K | -100.0% | $9.67M | Exited |
| BKNG Booking Holdings Inc. | -55.0K | -100.0% | $9.26M | Exited |
| CCOI Cogent Communications Holdings, Inc. | -450.3K | -100.0% | $8.48M | Exited |
| PTGX Protagonist Therapeutics, Inc | -65.0K | -18.3% | $7.97M | 3.49% |
| GSAT Globalstar, Inc. | -98.0K | -100.0% | $6.51M | Exited |
| B Barrick Mining Corp | -158.0K | -39.5% | $5.80M | 0.874% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| U Unity Software Inc. | +615.0K | $17.58M | 1.73% |
| TRAX First Tracks Biotherapeutics, Inc. | +750.0K | $15.09M | 1.48% |
| SE Sea Ltd | +135.0K | $12.94M | 1.27% |
| HRMY Harmony Biosciences Holdings, Inc. | +294.0K | $10.70M | 1.05% |
| NU Nu Holdings Ltd. | +750.0K | $10.02M | 0.985% |
| MICC Magnum Ice Cream Co N.V. | +201.0K | $3.50M | 0.344% |
| PRQR ProQR Therapeutics N.V. | +1.39M | $2.59M | 0.255% |
| ACGC ACP Holdings Acquisition Corp. | +250.0K | $2.49M | 0.244% |
| INSM INSMED Inc | +20.0K | $2.13M | 0.21% |
| OCTV Octave Intelligence plc | +125.0K | $2.04M | 0.2% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| LLY ELI LILLY & Co | -15.0K | $13.80M | 1.43% |
| LEN-B Lennar Corp | -115.0K | $9.67M | 1% |
| BKNG Booking Holdings Inc. | -55.0K | $9.26M | 0.962% |
| CCOI Cogent Communications Holdings, Inc. | -450.3K | $8.48M | 0.881% |
| GSAT Globalstar, Inc. | -98.0K | $6.51M | 0.676% |
| VKTX Viking Therapeutics, Inc. | -130.0K | $4.23M | 0.439% |
| CZR Caesars Entertainment, Inc. | -150.0K | $3.96M | 0.412% |
| ABEO Abeona Therapeutics Inc. | -770.0K | $3.45M | 0.358% |
| RXO RXO, Inc. | -180.0K | $2.63M | 0.273% |
| NTGR Netgear, Inc. | -100.0K | $2.18M | 0.227% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | COF Capital One Financial Corp | Financial Services | 365.0K | $73.23M | 7.2% | -10.0K | -2.7% | Reduced | 0.06% |
| 2 | CVNA Carvana Co. | Consumer Discretionary | 750.0K | $49.37M | 4.85% | -25.0K | -3.2% | Reduced | 0.07% |
| 3 | ANAB Anaptysbio, Inc | Healthcare | 660.0K | $44.55M | 4.38% | +35.0K | +5.6% | Added | 2.27% |
| 4 | KSPI Joint Stock Co Kaspi.kz | Financial Services | 470.0K | $40.72M | 4% | -5,000 | -1.1% | Reduced | 0.25% |
| 5 | BDX Becton Dickinson & Co | Healthcare | 250.0K | $37.83M | 3.72% | +25.0K | +11.1% | Added | 0.09% |
| 6 | MOH Molina Healthcare, Inc. | Healthcare | 165.0K | $37.74M | 3.71% | +5,000 | +3.1% | Added | 0.32% |
| 7 | HGV Hilton Grand Vacations Inc. | Consumer Discretionary | 690.0K | $36.14M | 3.55% | -85.0K | -11.0% | Reduced | 0.87% |
| 8 | PTGX Protagonist Therapeutics, Inc | Healthcare | 290.0K | $35.55M | 3.49% | -65.0K | -18.3% | Reduced | 0.44% |
| 9 | MGTX MeiraGTx Holdings plc | Healthcare | 2.30M | $31.07M | 3.05% | -150.0K | -6.1% | Reduced | 2.44% |
| 10 | WVE Wave Life Sciences, Inc. | Healthcare | 4.95M | $28.76M | 2.83% | +50.0K | +1.0% | Added | 2.43% |
| 11 | QURE uniQure N.V. | Healthcare | 575.0K | $26.48M | 2.6% | +75.0K | +15.0% | Added | 0.83% |
| 12 | AMLX Amylyx Pharmaceuticals, Inc. | Healthcare | 1.28M | $22.98M | 2.26% | -250.5K | -16.4% | Reduced | 1.15% |
| 13 | AMTM Amentum Holdings, Inc. | Industrials | 1.10M | $22.74M | 2.24% | +325.0K | +41.9% | Added | 0.45% |
| 14 | TGTX Tg Therapeutics, Inc. | Healthcare | 389.1K | $21.38M | 2.1% | -200.9K | -34.1% | Reduced | 0.25% |
| 15 | PHAT Phathom Pharmaceuticals, Inc. | Healthcare | 1.85M | $20.07M | 1.97% | 0 | 0.0% | Unchanged | 2.21% |
Tip. Select a row to see that position’s full history at 683 Capital Management.
As of its Q2 2026 13F filing, 683 Capital Management, LLC’s five largest positions were Capital One Financial Corp (COF) at 7.2%, Carvana Co. (CVNA) at 4.9%, Anaptysbio, Inc (ANAB) at 4.4%, Joint Stock Co Kaspi.kz (KSPI) at 4.0%, Becton Dickinson & Co (BDX) at 3.7% of the reported portfolio.
683 Capital Management, LLC reported a 13F portfolio worth $1.02B across 106 positions for Q2 2026. That is up 5.7% from the previous quarter.
Its largest purchases by value were Unity Software Inc. ($17.58M), First Tracks Biotherapeutics, Inc. ($15.09M), Sea Ltd ($12.94M). It opened 14 new positions.
Its largest sales by value were Astrana Health, Inc. ($22.74M), GXO Logistics, Inc. ($14.45M), ELI LILLY & Co ($13.80M). It exited 88 positions entirely.
From the Form 13F-HR reports 683 Capital Management, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.