683 Capital Management, LLC
683 Capital Management, LLC reported 125 US-listed holdings worth $1.04 billion in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: Capital One Financial Corp. (7.0%), Carvana Co. (4.7%) and Anaptysbio Inc. (4.3%). Against the quarter before, it opened 19 positions, added to 28, trimmed 37 and sold out of 98.
Reported holdings$1.04B+1.8% on Q1 2026
Positions125-79 on Q1 2026
The largest ten39.9%of its reported holdings
Latest 13FQ2 2026filed 14 August 2026
Added toTrimmed
The 14 largest of its 125 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What it did on the quarter
Opened 19Added 28Held 41Trimmed 37Sold out 98
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 19
- Unity Software Inc. U$17.6 million
- First Tracks Biotherapeutics TRAX$15.1 million
- Sea Limited SE$12.9 million
- Harmony Biosciences Holdings, Inc. HRMY$10.7 million
- Nu Holdings Ltd. NU$10.0 million
- Magnum Ice Cream Co. NV MICC$3.5 million
- Proqr Thrapeutics N V PRQR$2.6 million
- Acp Holdings Acquisition Cor ACGC$2.5 million
and 11 more in the table below
Added to 28
- Carvana Co. CVNA+595,000 shares · +384%
- Lennar Corp. LEN+95,000 shares · +1900%
- Howard Hughes Holdings Inc. HHH+104,500 shares · +294%
- Amentum Holdings, Inc. AMTM+325,000 shares · +42%
- Gossamer Bio Inc. GOSS+34.2 million shares · +684%
- Alnylam Pharmaceuticals Inc ALNY+14,000 shares · +67%
- Inflarx NV IFRX+1.8 million shares · +53%
- Becton Dickinson & Co. BDX+25,000 shares · +11%
and 20 more in the table below
Trimmed 37
- Astrana Health, Inc. ASTH-490,000 shares · -70%
- GXO Logistics, Inc. GXO-285,000 shares · -57%
- TG Therapeutics, Inc. TGTX-200,919 shares · -34%
- Protagonist Therapeutics, Inc. PTGX-65,000 shares · -18%
- Barrick Mining Corp B-158,000 shares · -40%
- Inspired Entmt Inc. INSE-624,916 shares · -60%
- Graphic Packaging Holding Co. GPK-460,356 shares · -89%
- Fractyl Health Inc. GUTS-6.0 million shares · -89%
and 29 more in the table below
Sold out of 98
- Eli Lilly & Co. LLY$13.8 million last quarter
- Amicus Therapeutics Inc. FOLD$11.2 million last quarter
- Apellis Pharmaceuticals Inc. APLS$10.1 million last quarter
- Lennar Corp. LENB$9.7 million last quarter
- Booking Holdings Inc. BKNG$9.3 million last quarter
- Cogent Communications Holdings, Inc. CCOI$8.5 million last quarter
- Globalstar Inc. Com New GSAT$6.5 million last quarter
- Perceptive Cap Solutions Cor PCSC$6.2 million last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Capital One Financial Corp. COF | 365,000 | $73.2 million | 7.03% | -10,000 |
| Carvana Co. CVNA | 750,000 | $49.4 million | 4.74% | +595,000 |
| Anaptysbio Inc. ANAB | 660,000 | $44.6 million | 4.28% | +35,000 |
| Kaspi KZ JSC KSPI | 470,000 | $40.7 million | 3.91% | -5,000 |
| Becton Dickinson & Co. BDX | 250,000 | $37.8 million | 3.63% | +25,000 |
| Molina Healthcare, Inc. MOH | 165,000 | $37.7 million | 3.62% | +5,000 |
| Hilton Grand Vacations Inc. HGV | 690,000 | $36.1 million | 3.47% | -85,000 |
| Protagonist Therapeutics, Inc. PTGX | 290,000 | $35.5 million | 3.41% | -65,000 |
| Meiragtx Holdings PLC MGTX | 2,300,000 | $31.1 million | 2.98% | -150,000 |
| Wave Life Sciences Ltd WVE | 4,950,000 | $28.8 million | 2.76% | +50,000 |
| Uniqure NV QURE | 575,000 | $26.5 million | 2.54% | +75,000 |
| Amylyx Pharmaceuticals Inc. AMLX | 1,279,512 | $23.0 million | 2.21% | -250,488 |
| Amentum Holdings, Inc. AMTM | 1,100,000 | $22.7 million | 2.18% | +325,000 |
| TG Therapeutics, Inc. TGTX | 389,081 | $21.4 million | 2.05% | -200,919 |
| Phathom Pharmaceuticals Inc. PHAT | 1,850,000 | $20.1 million | 1.93% | no change |
| Unity Software Inc. U | 615,000 | $17.6 million | 1.69% | new |
| Western Alliance Bancorporation WAL | 200,000 | $16.4 million | 1.58% | -25,000 |
| Iamgold Corp. IAG | 1,010,000 | $16.0 million | 1.54% | -40,000 |
| Elevance Health, Inc. ELV | 40,000 | $15.5 million | 1.49% | no change |
| First Tracks Biotherapeutics TRAX | 750,000 | $15.1 million | 1.45% | new |
| Knot Offshore Partners LP KNOP | 1,505,000 | $15.0 million | 1.44% | +25,000 |
| Sarepta Therapeutics, Inc. SRPT | 782,500 | $14.1 million | 1.35% | +32,500 |
| UnitedHealth Group Inc. UNH | 32,000 | $13.3 million | 1.28% | no change |
| Sea Limited SE | 135,000 | $12.9 million | 1.24% | new |
| Alphabet Inc. GOOGL | 35,000 | $12.5 million | 1.20% | -1,000 |
| Zevra Therapeutics Inc. ZVRA | 855,000 | $12.3 million | 1.18% | -120,000 |
| Genuine Parts Co. GPC | 101,000 | $11.9 million | 1.14% | -4,000 |
| Aris MNG Corp. ARIS | 770,000 | $11.5 million | 1.10% | -30,000 |
| Inflarx NV IFRX | 5,065,000 | $11.3 million | 1.09% | +1,750,000 |
| Coupang Inc. Class A CPNG | 650,000 | $11.3 million | 1.08% | +40,000 |
| GXO Logistics, Inc. GXO | 215,000 | $10.9 million | 1.05% | -285,000 |
| Harmony Biosciences Holdings, Inc. HRMY | 294,000 | $10.7 million | 1.03% | new |
| Alnylam Pharmaceuticals Inc ALNY | 35,000 | $10.5 million | 1.01% | +14,000 |
| Nu Holdings Ltd. NU | 750,000 | $10.0 million | 0.96% | new |
| Howard Hughes Holdings Inc. HHH | 140,000 | $10.0 million | 0.96% | +104,500 |
| Astrana Health, Inc. ASTH | 210,000 | $9.7 million | 0.94% | -490,000 |
| Enova International, Inc. ENVA | 40,000 | $9.6 million | 0.93% | no change |
| Seadrill 2021 Ltd SDRL | 240,000 | $9.1 million | 0.87% | -10,000 |
| Lennar Corp. LEN | 100,000 | $9.0 million | 0.87% | +95,000 |
| Barrick Mining Corp B | 242,000 | $8.9 million | 0.85% | -158,000 |
| Lexeo Therapeutics Inc. LXEO | 1,875,000 | $8.7 million | 0.84% | +675,000 |
| Bristow Group Inc. VTOL | 205,000 | $8.5 million | 0.81% | +19,000 |
| ICON plc ICLR | 48,000 | $8.3 million | 0.80% | -14,000 |
| Builders Firstsource Inc. BLDR | 90,000 | $8.1 million | 0.77% | +10,000 |
| Shattuck Labs Inc. STTK | 1,157,216 | $8.0 million | 0.77% | +357,216 |
| Anterix Inc. ATEX | 66,000 | $6.8 million | 0.65% | +20,000 |
| Selecta Biosciences, Inc. RNAC | 650,000 | $6.8 million | 0.65% | +320,000 |
| Noble Corp. plc NE | 175,000 | $6.5 million | 0.63% | +25,000 |
| Gossamer Bio Inc. GOSS | 39,198,868 | $6.5 million | 0.62% | +34,198,868 |
| Alector Inc. ALEC | 3,200,000 | $6.4 million | 0.62% | no change |
| Doubledown Interactive Co. LT DDI | 550,000 | $6.3 million | 0.61% | +35,344 |
| Apartment Invt & Mgmt Co. AIV | 2,100,000 | $6.2 million | 0.60% | +650,000 |
| Moody's Corp. MCO | 11,000 | $5.0 million | 0.48% | no change |
| S&P Global Inc. SPGI | 12,087 | $4.9 million | 0.47% | no change |
| Energy Recovery Inc. ERII | 530,000 | $4.8 million | 0.46% | -20,000 |
| Amazon.com Inc. AMZN | 19,000 | $4.5 million | 0.44% | -7,500 |
| Barnes & Noble Ed Inc. BNED | 349,046 | $4.4 million | 0.42% | -30,954 |
| Atrium Therapeutics Inc. RNA | 300,000 | $4.0 million | 0.39% | no change |
| WW Intl Inc. WW | 242,017 | $3.9 million | 0.37% | +92,017 |
| Space Asset Acquisition Corp. SAAQ | 375,000 | $3.8 million | 0.37% | no change |
| Hyperliquid Strategies Inc. PURR | 480,000 | $3.8 million | 0.36% | -370,000 |
| Mereo Biopharma Group PLC MREO | 11,777,856 | $3.7 million | 0.36% | -222,144 |
| Magnum Ice Cream Co. NV MICC | 201,000 | $3.5 million | 0.34% | new |
| Inspired Entmt Inc. INSE | 423,580 | $3.5 million | 0.34% | -624,916 |
| Silvercorp Metals Inc. SVM | 333,400 | $3.4 million | 0.32% | -72,600 |
| Aldeyra Therapeutics Inc. ALDX | 1,450,000 | $3.1 million | 0.30% | -50,000 |
| Connect Biopharma Hldgs Ltd CNTB | 1,285,000 | $3.1 million | 0.29% | +385,000 |
| Pan Amern Silver Corp. PAAS | 67,000 | $3.0 million | 0.29% | -33,000 |
| Hyliion Holdings Corp. HYLN | 575,000 | $3.0 million | 0.29% | -150,000 |
| Navigator Hldgs Ltd NVGS | 140,000 | $2.6 million | 0.25% | -46,000 |
| Proqr Thrapeutics N V PRQR | 1,393,067 | $2.6 million | 0.25% | new |
| Lafayette Acquisition Corp. LAFA | 250,000 | $2.5 million | 0.24% | no change |
| Acp Holdings Acquisition Cor ACGC | 250,000 | $2.5 million | 0.24% | new |
| Immunic Inc. IMUX | 147,245 | $2.3 million | 0.22% | new |
| Invivyd Inc. IVVD | 2,482,543 | $2.2 million | 0.21% | -32,457 |
| Insmed Inc. INSM | 20,000 | $2.1 million | 0.20% | new |
| Octave Intelligence PLC Ord SHS Class B OCTV | 125,000 | $2.0 million | 0.20% | new |
| Chenghe Acquisition III Co. O CHEC | 200,000 | $2.0 million | 0.20% | no change |
| Archimedes Tech Spac Ptnrs I ARCI | 200,000 | $2.0 million | 0.19% | no change |
| FG Imperii Acquisition Corp. FGII | 200,000 | $2.0 million | 0.19% | no change |
| Legato Merger Corp. IV LEGO | 200,000 | $2.0 million | 0.19% | no change |
| Pangaea Logistics Solution L PANL | 300,000 | $1.9 million | 0.19% | -9,500 |
| Coinbase Global, Inc. COIN | 13,000 | $1.9 million | 0.18% | new |
| Amrize Ltd AMRZ | 35,000 | $1.9 million | 0.18% | no change |
| Hudson Technologies Inc. HDSN | 325,000 | $1.9 million | 0.18% | no change |
| Satellos Bioscience Inc. MSLE | 230,833 | $1.8 million | 0.17% | no change |
| Blue WTR Acquisition Corp. I BLUW | 150,000 | $1.5 million | 0.15% | no change |
| Maia Biotechnology Inc. Com MAIA | 1,066,666 | $1.5 million | 0.15% | no change |
| Eqv Ventures Ac Corp. II EVAC | 150,000 | $1.5 million | 0.15% | no change |
| D Market Electr Svcs & Tradi HEPS | 500,000 | $1.5 million | 0.14% | new |
| Pyxis Oncology Inc. PYXS | 459,367 | $1.4 million | 0.13% | -436,896 |
| Willow Lane Acquisition CRP WLII | 125,000 | $1.3 million | 0.12% | new |
| Promis Neurosciences Inc. PMN | 95,000 | $1.3 million | 0.12% | +2,150 |
| Ightwave Acquisition Corp. LWAC | 100,000 | $1.0 million | 0.10% | no change |
| IN8BIO Inc. INAB | 724,637 | $1.0 million | 0.10% | no change |
| Cardlytics Inc. CDLX | 200,000 | $898,000 | 0.09% | new |
| Oyster Enterprises II Acquis OYSE | 75,000 | $771,750 | 0.07% | no change |
| Cae Inc. CAE | 25,000 | $626,500 | 0.06% | no change |
| Graphic Packaging Holding Co. GPK | 57,322 | $605,894 | 0.06% | -460,356 |
| Fractyl Health Inc. GUTS | 756,715 | $601,134 | 0.06% | -5,970,520 |
| Modular Med Inc. MODD | 130,000 | $585,000 | 0.06% | +4,999 |
| Cresud S A C I F Y A CRESY | 50,000 | $560,500 | 0.05% | -190,000 |
| Jatt II Acquisition Corp. JATT | 42,264 | $480,119 | 0.05% | new |
| Origin Invt Corp. I ORIQ | 30,000 | $309,300 | 0.03% | no change |
| Altice USA Inc. OPTU | 203,108 | $294,507 | 0.03% | no change |
| Microstrategy Inc. MSTR | 1,900 | $165,167 | 0.02% | new |
| Space Asset Acquisition Corp. SAAQW | 124,999 | $112,499 | 0.01% | no change |
| Cytomx Therapeutics Inc. CTMX | 20,000 | $75,000 | 0.01% | -405,000 |
| GCT Semiconductor Hldg Inc. GCTSWS | 127,202 | $62,329 | 0.01% | -438,979 |
| Archimedes Tech Spac Ptnrs I ARCIW | 50,000 | $37,500 | 0.00% | no change |
| Acp Holdings Acquisition Cor ACGCW | 125,000 | $37,500 | 0.00% | new |
| Lue WTR Acquisition Corp. I BLUWW | 75,000 | $28,500 | 0.00% | no change |
| Willow Lane Acquisition CRP WLIIW | 31,250 | $27,813 | 0.00% | new |
| Legato Merger Corp. IV LEGOWS | 66,667 | $27,727 | 0.00% | no change |
| Lafayette Acquisition Corp. LAFAR | 250,000 | $25,000 | 0.00% | no change |
| FG Imperii Acquisition Corp. FGIIW | 100,000 | $24,980 | 0.00% | no change |
| Chenghe Acquisition III Co. CHECW | 100,000 | $20,500 | 0.00% | no change |
| Eqv Ventures Ac Corp. II EVACWS | 50,000 | $19,875 | 0.00% | no change |
| Lightwave Acquisition Corp. LWACW | 50,000 | $15,495 | 0.00% | no change |
| Borealis Foods Inc. BRLSW | 200,000 | $9,400 | 0.00% | no change |
| Oyster Enterprises II Acquis OYSER | 75,000 | $8,258 | 0.00% | no change |
| Ecarx Holdings Inc. ECXWW | 125,000 | $5,000 | 0.00% | no change |
| Multisensor Ai Holdings Inc. MSAIW | 150,000 | $4,350 | 0.00% | no change |
| Apollomics IN-27 Equity APLMW | 130,000 | $2,613 | 0.00% | no change |
| Origin Invt Corp. I ORIQW | 15,000 | $1,664 | 0.00% | no change |
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read more
Change is shares against its 13F for the quarter before; the 98 it sold out of are in the box above.Options it reported
| Company | Option | Shares under the options | Value of those shares |
|---|---|---|---|
| Palantir Technologies Inc. PLTR | Puts | 2,428,700 | $283.4 million |
| Eli Lilly & Co. LLY | Puts | 154,000 | $184.7 million |
| NVIDIA Corp. NVDA | Puts | 456,000 | $91.2 million |
| SPDR Ser Trust XBI | Puts | 540,000 | $85.5 million |
| AbbVie Inc. ABBV | Puts | 245,000 | $61.7 million |
| Madrigal Pharmaceuticals Inc. MDGL | Puts | 90,000 | $48.3 million |
| Praxis Precision Medicines I PRAX | Puts | 110,400 | $37.0 million |
| Alnylam Pharmaceuticals Inc ALNY | Puts | 107,500 | $32.4 million |
| ARK Investment Management LLC ARKG | Puts | 750,000 | $31.5 million |
| Ionq Inc. Com IONQ | Puts | 486,700 | $25.9 million |
| Uniqure NV QURE | Calls | 316,200 | $14.6 million |
| Moderna, Inc. MRNA | Puts | 156,000 | $10.9 million |
| Lennar Corp. LEN | Puts | 100,000 | $9.0 million |
| Hims & Hers Health, Inc. HIMS | Puts | 220,000 | $7.6 million |
| Insmed Inc. INSM | Puts | 35,000 | $3.7 million |
| Kymera Therapeutics Inc. KYMR | Puts | 30,000 | $3.4 million |
| Viking Therapeutics Inc. VKTX | Calls | 80,000 | $3.1 million |
| Iovance Biotherapeutics Inc. IOVA | Puts | 644,300 | $2.7 million |
| Coinbase Global, Inc. COIN | Puts | 17,000 | $2.5 million |
| Novo Nordisk A/S NVO | Puts | 50,000 | $2.4 million |
| Microstrategy Inc. MSTR | Puts | 25,000 | $2.2 million |
| Amylyx Pharmaceuticals Inc. AMLX | Calls | 96,600 | $1.7 million |
| Ultragenyx Pharmaceutical in RARE | Puts | 50,000 | $1.7 million |
| TransMedics Group, Inc. TMDX | Puts | 20,000 | $1.3 million |
| Harmony Biosciences Holdings, Inc. HRMY | Puts | 14,700 | $535,227 |
25 option lines. A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost; they are not counted in the holdings above.