683 Capital Management, LLC 13F holdings
683 Capital Management, LLC reported 112 positions with a total reported value of $1.0B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: COF CAPITAL ONE FINL CORP (7.0%), CVNA CARVANA CO (4.7%), ANAB ANAPTYSBIO INC (4.3%), KASPI KZ JSC (3.9%), BDX BECTON DICKINSON & CO (3.6%). Against 2026-03-31 it opened 14 new positions and exited 94. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 112 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| COF CAPITAL ONE FINL CORP | 365,000 | $73.2M | 7.0% |
| CVNA CARVANA CO | 750,000 | $49.4M | 4.7% |
| ANAB ANAPTYSBIO INC | 660,000 | $44.6M | 4.3% |
| KASPI KZ JSC | 470,000 | $40.7M | 3.9% |
| BDX BECTON DICKINSON & CO | 250,000 | $37.8M | 3.6% |
| MOH MOLINA HEALTHCARE INC | 165,000 | $37.7M | 3.6% |
| HGV HILTON GRAND VACATIONS INC | 690,000 | $36.1M | 3.5% |
| PTGX PROTAGONIST THERAPEUTICS INC | 290,000 | $35.5M | 3.4% |
| MGTX MEIRAGTX HLDGS PLC | 2,300,000 | $31.1M | 3.0% |
| WVE WAVE LIFE SCIENCES LTD | 4,950,000 | $28.8M | 2.8% |
| QURE UNIQURE NV | 575,000 | $26.5M | 2.5% |
| AMLX AMYLYX PHARMACEUTICALS INC | 1,279,512 | $23.0M | 2.2% |
| AMTM AMENTUM HOLDINGS INC | 1,100,000 | $22.7M | 2.2% |
| TGTX TG THERAPEUTICS INC | 389,081 | $21.4M | 2.1% |
| PHAT PHATHOM PHARMACEUTICALS INC | 1,850,000 | $20.1M | 1.9% |
| U UNITY SOFTWARE INC | 615,000 | $17.6M | 1.7% |
| WAL WESTERN ALLIANCE BANCORP | 200,000 | $16.4M | 1.6% |
| IAG IAMGOLD CORP | 1,010,000 | $16.0M | 1.5% |
| ELV ELEVANCE HEALTH INC FORMERLY | 40,000 | $15.5M | 1.5% |
| TRAX FIRST TRACKS BIOTHERAPEUTICS | 750,000 | $15.1M | 1.4% |
| KNOP KNOT OFFSHORE PARTNERS LP | 1,505,000 | $15.0M | 1.4% |
| SRPT SAREPTA THERAPEUTICS INC | 782,500 | $14.1M | 1.4% |
| UNH UNITEDHEALTH GROUP INC | 32,000 | $13.3M | 1.3% |
| SE SEA LTD | 135,000 | $12.9M | 1.2% |
| GOOGL ALPHABET INC | 35,000 | $12.5M | 1.2% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 14 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| U UNITY SOFTWARE INC | 615,000 | $17.6M | 1.7% |
| TRAX FIRST TRACKS BIOTHERAPEUTICS | 750,000 | $15.1M | 1.4% |
| SE SEA LTD | 135,000 | $12.9M | 1.2% |
| HRMY HARMONY BIOSCIENCES HLDGS IN | 294,000 | $10.7M | 1.0% |
| NU NU HLDGS LTD | 750,000 | $10.0M | 1.0% |
| MICC MAGNUM ICE CREAM CO NV | 201,000 | $3.5M | 0.3% |
| PROQR THRAPEUTICS N V | 1,393,067 | $2.6M | 0.2% |
| ACGC ACP HOLDINGS ACQUISITION COR | 375,000 | $2.5M | 0.2% |
| INSM INSMED INC | 20,000 | $2.1M | 0.2% |
| OCTV OCTAVE INTELLIGENCE PLC | 125,000 | $2.0M | 0.2% |
| COIN COINBASE GLOBAL INC | 13,000 | $1.9M | 0.2% |
| D MARKET ELECTR SVCS & TRADI | 500,000 | $1.5M | 0.1% |
| JATT JATT II ACQUISITION CORP | 42,264 | $480.1K | <0.1% |
| MSTR STRATEGY INC | 1,900 | $165.2K | <0.1% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 94 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| LLY ELI LILLY & CO | 15,000 | $13.8M | 1.3% |
| AMICUS THERAPEUTIC | 775,000 | $11.2M | 1.1% |
| APELLIS PHARMACEUTICALS INC | 250,000 | $10.1M | 1.0% |
| BKNG BOOKING HOLDINGS INC | 2,200 | $9.3M | 0.9% |
| CCOI COGENT COMM HOLDINGS INC | 450,300 | $8.5M | 0.8% |
| GSAT GLOBALSTAR INC | 98,000 | $6.5M | 0.6% |
| PERCEPTIVE CAP SOLUTIONS COR | 561,923 | $6.2M | 0.6% |
| VKTX VIKING THERAPEUTICS INC | 130,000 | $4.2M | 0.4% |
| TBPH THERAVANCE BIOPHARMA INC | 250,000 | $4.1M | 0.4% |
| CZR CAESARS ENTERTAINMENT INC NE | 150,000 | $4.0M | 0.4% |
| ABEO ABEONA THERAPEUTICS INC | 770,000 | $3.4M | 0.3% |
| RXO RXO INC | 180,000 | $2.6M | 0.3% |
| NTGR NETGEAR INC | 100,000 | $2.2M | 0.2% |
| CACI INTL INC | 4,000 | $2.2M | 0.2% |
| STGW STAGWELL INC | 305,000 | $1.9M | 0.2% |
| SAIC SCIENCE APPLICATIONS INTL CO | 19,000 | $1.8M | 0.2% |
| ARMP ARMATA PHARMACEUTICALS INC | 137,000 | $1.4M | 0.1% |
| IRSA INVERSIONES Y REP S A | 70,000 | $1.1M | 0.1% |
| AMPY AMPLIFY ENERGY CORP NEW | 160,000 | $998.4K | <0.1% |
| AXTI AXT INC | 17,000 | $968.7K | <0.1% |
| DIBS 1STDIBS COM INC | 175,786 | $966.8K | <0.1% |
| SRZN SURROZEN INC | 33,000 | $961.3K | <0.1% |
| INFU INFUSYSTEM HLDGS INC | 100,465 | $927.3K | <0.1% |
| ANRO ALTO NEUROSCIENCE INC | 40,000 | $899.2K | <0.1% |
| PPIH PERMA-PIPE INTL HLDGS INC | 30,000 | $894.3K | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| CVNA CARVANA CO | 155,000 | 750,000 | +383.9% | $49.4M |
| HHH HOWARD HUGHES HOLDINGS INC | 35,500 | 140,000 | +294.4% | $10.0M |
| AMTM AMENTUM HOLDINGS INC | 775,000 | 1,100,000 | +41.9% | $22.7M |
| GOSS GOSSAMER BIO INC | 5,000,000 | 39,198,868 | +684.0% | $6.5M |
| ALNY ALNYLAM PHARMACEUTICALS INC | 21,000 | 35,000 | +66.7% | $10.5M |
| IFRX INFLARX NV | 3,315,000 | 5,065,000 | +52.8% | $11.3M |
| BDX BECTON DICKINSON & CO | 225,000 | 250,000 | +11.1% | $37.8M |
| QURE UNIQURE NV | 500,000 | 575,000 | +15.0% | $26.5M |
| RNAC CARTESIAN THERAPEUTICS INC | 330,000 | 650,000 | +97.0% | $6.8M |
| LXEO LEXEO THERAPEUTICS INC | 1,200,000 | 1,875,000 | +56.2% | $8.7M |
| STTK SHATTUCK LABS INC | 800,000 | 1,157,216 | +44.7% | $8.0M |
| ANAB ANAPTYSBIO INC | 625,000 | 660,000 | +5.6% | $44.6M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| IMUX IMMUNIC INC | 2,450,000 | 147,245 | -94.0% | $2.3M |
| ASTH ASTRANA HEALTH INC | 700,000 | 210,000 | -70.0% | $9.7M |
| GXO GXO LOGISTICS INCORPORATED | 500,000 | 215,000 | -57.0% | $10.9M |
| TGTX TG THERAPEUTICS INC | 590,000 | 389,081 | -34.1% | $21.4M |
| PTGX PROTAGONIST THERAPEUTICS INC | 355,000 | 290,000 | -18.3% | $35.5M |
| BARRICK MNG CORP | 400,000 | 242,000 | -39.5% | $8.9M |
| CDLX CARDLYTICS INC | 1,450,000 | 200,000 | -86.2% | $898.0K |
| INSPIRED ENTMT INC | 1,048,496 | 423,580 | -59.6% | $3.5M |
| GPK GRAPHIC PACKAGING HLDG CO | 517,678 | 57,322 | -88.9% | $605.9K |
| GUTS FRACTYL HEALTH INC | 6,727,235 | 756,715 | -88.8% | $601.1K |
| AMLX AMYLYX PHARMACEUTICALS INC | 1,530,000 | 1,279,512 | -16.4% | $23.0M |
| HGV HILTON GRAND VACATIONS INC | 775,000 | 690,000 | -11.0% | $36.1M |
CIK 1404574 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
