683 Capital Management, LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), 683 Capital Management, LLC reported 107 stock positions worth $1.0 billion. Its top holding was Capital One Financial (COF) at 7.0% of the portfolio, followed by Carvana (CVNA, 4.7%) and Anaptysbio (ANAB, 4.3%). Compared with Q1 2026, it opened 14 new positions, sold out of 95, added to 28 and reduced 38. The biggest buy was Uniqure (QURE, shares +15%) and the biggest sale Gxo Logistics (GXO, shares −57%).

Most Recent 13F
Q2 2026
Location
NEW YORK, NY
CIK
0001404574
Portfolio Value
$1.0B (Q2 2026)
SEC Filing
0001404574-26-000023 ↗ filed Aug 14, 2026

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $907.2M Q1 2024 Q2 2024: $851.1M Q2 2024 Q3 2024: $878.6M Q3 2024 Q4 2024: $909.7M Q4 2024 Q1 2025: $898.4M Q1 2025 Q2 2025: $930.0M Q2 2025 Q3 2025: $1.1B Q3 2025 Q4 2025: $1.1B Q4 2025 Q1 2026: $1.0B Q1 2026 Q2 2026: $1.0B $1.0B Q2 2026

Holdings 107 stocks · $1.0B

COF Capital One Financial Corp. 7.04% 365,000 $73.2M Reduce -2.7%
CVNA Carvana Co. 4.74% 750,000 $49.4M Reduce -3.2%
ANAB Anaptysbio Inc. 4.28% 660,000 $44.6M Add +5.6%
KSPI JSC Kaspi.kz ADR filed as KASPI KZ JSC 3.91% 470,000 $40.7M Reduce -1.1%
BDX Becton Dickinson and Co. 3.64% 250,000 $37.8M Add +11.1%
MOH Molina Healthcare Inc. 3.63% 165,000 $37.7M Add +3.1%
HGV Hilton Grand Vacations Inc. 3.47% 690,000 $36.1M Reduce -11.0%
PTGX Protagonist Therapeutics Inc. 3.42% 290,000 $35.5M Reduce -18.3%
MGTX Meiragtx Holdings PLC 2.99% 2,300,000 $31.1M Reduce -6.1%
WVE Wave Life Sciences Ltd. 2.76% 4,950,000 $28.8M Add +1.0%
QURE Uniqure NV 2.55% 575,000 $26.5M Add +15.0%
AMLX Amylyx Pharmaceuticals Inc. 2.21% 1,279,512 $23.0M Reduce -16.4%
AMTM Amentum Holdings Inc. 2.19% 1,100,000 $22.7M Add +41.9%
TGTX TG Therapeutics Inc. 2.05% 389,081 $21.4M Reduce -34.0%
PHAT Phathom Pharmaceuticals Inc. 1.93% 1,850,000 $20.1M No change
U Unity Software Inc. 1.69% 615,000 $17.6M New
WAL Western Alliance Bancorp 1.58% 200,000 $16.4M Reduce -11.1%
IAG Iamgold Corp. 1.54% 1,010,000 $16.0M Reduce -3.8%
ELV Elevance Health Inc. 1.49% 40,000 $15.5M No change
TRAX First Tracks Biotherapeutics 1.45% 750,000 $15.1M New
KNOP Knot Offshore Partners LP 1.44% 1,505,000 $15.0M Add +1.7%
SRPT Sarepta Therapeutics Inc. 1.35% 782,500 $14.1M Add +4.3%
UNH Unitedhealth Group Inc. 1.28% 32,000 $13.3M No change
SE Sea Ltd.-ADR 1.24% 135,000 $12.9M New
GOOGL Alphabet Inc. Class A 1.20% 35,000 $12.5M Reduce -2.8%
ZVRA Zevra Therapeutics Inc. 1.18% 855,000 $12.3M Reduce -12.3%
GPC Genuine Parts Co. 1.15% 101,000 $11.9M Reduce -3.8%
ARIS Aris Mining Corp. 1.10% 770,000 $11.5M Reduce -3.8%
IFRX Inflarx NV 1.09% 5,065,000 $11.3M Add +52.8%
CPNG Coupang Inc. 1.09% 650,000 $11.3M Add +6.6%
GXO Gxo Logistics Inc. 1.05% 215,000 $10.9M Reduce -57.0%
HRMY Harmony Biosciences Holdings 1.03% 294,000 $10.7M New
ALNY Alnylam Pharmaceuticals Inc. 1.01% 35,000 $10.5M Add +66.7%
NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD 0.96% 750,000 $10.0M New
HHH Howard Hughes Holdings Inc. 0.96% 140,000 $10.0M Add +294.4%
ASTH Astrana Health Inc. 0.94% 210,000 $9.7M Reduce -70.0%
ENVA Enova International Inc. 0.93% 40,000 $9.6M No change
SDRL Seadrill Limited 0.87% 240,000 $9.1M Reduce -4.0%
LEN Lennar Corp. Class A 0.87% 100,000 $9.0M Add +1900.0%
B Barrick Mining Corp. 0.85% 242,000 $8.9M Reduce -39.5%
LXEO Lexeo Therapeutics Inc. 0.84% 1,875,000 $8.7M Add +56.3%
VTOL Bristow Group Inc. 0.81% 205,000 $8.5M Add +10.2%
ICLR Icon PLC filed as ICON PUB LTD CO 0.80% 48,000 $8.3M Reduce -22.6%
BLDR Builders Firstsource Inc. 0.77% 90,000 $8.1M Add +12.5%
STTK Shattuck Labs Inc. 0.77% 1,157,216 $8.0M Add +44.6%
ATEX Anterix Inc. 0.65% 66,000 $6.8M Add +43.5%
RNAC Cartesian Therapeutics Inc. 0.65% 650,000 $6.8M Add +97.0%
NE Noble Corp. PLC 0.63% 175,000 $6.5M Add +16.7%
GOSS Gossamer Bio Inc. 0.62% 39,198,868 $6.5M Add +684.0%
ALEC Alector Inc. 0.62% 3,200,000 $6.4M No change
DDI Doubledown Interactive -ADR 0.61% 550,000 $6.3M Add +6.9%
AIV Apartment Invt & Mgmt Co. Class A 0.60% 2,100,000 $6.2M Add +44.8%
MCO Moody's Corp. 0.48% 11,000 $5.0M No change
SPGI S&P Global Inc. 0.47% 12,087 $4.9M No change
ERII Energy Recovery Inc. 0.46% 530,000 $4.8M Reduce -3.6%
AMZN Amazon.com Inc. 0.44% 19,000 $4.5M Reduce -28.3%
BNED Barnes & Noble Education Inc. 0.42% 349,046 $4.4M Reduce -8.2%
RNA Atrium Therapeutics Inc. 0.39% 300,000 $4.0M No change
WW WW International Inc.-New filed as WW INTL INC 0.37% 242,017 $3.9M Add +61.3%
SAAQ Space Asset Acquisition Class A 0.37% 375,000 $3.8M No change
PURR Hyperliquid Strategies 0.36% 480,000 $3.8M Reduce -43.5%
MREO Mereo Biopharma Group PL-ADR 0.36% 11,777,856 $3.7M Reduce -1.9%
MICC The Magnum Ice Cream Co. NV 0.34% 201,000 $3.5M New
INSE Inspired Entertainment Inc. 0.34% 423,580 $3.5M Reduce -59.6%
SVM Silvercorp Metals Inc. 0.32% 333,400 $3.4M Reduce -17.9%
ALDX Aldeyra Therapeutics Inc. 0.30% 1,450,000 $3.1M Reduce -3.3%
CNTB Connect Biopharma Holdings L 0.29% 1,285,000 $3.1M Add +42.8%
PAAS Pan American Silver Corp. 0.29% 67,000 $3.0M Reduce -33.0%
HYLN Hyliion Holdings Corp. 0.29% 575,000 $3.0M Reduce -20.7%
NVGS Navigator Holdings Ltd. 0.25% 140,000 $2.6M Reduce -24.7%
PRQR Proqr Therapeutics NV 0.25% 1,393,067 $2.6M New
LAFA Lafayette Acquisition Corp. 0.24% 250,000 $2.5M No change
ACGC Acp Holdings Acquisitio Class A 0.24% 250,000 $2.5M New
IMUX Immunic Inc. 0.22% 147,245 $2.3M Reduce -39.9%
IVVD Invivyd Inc. 0.21% 2,482,543 $2.2M Reduce -1.3%
INSM Insmed Inc. 0.20% 20,000 $2.1M New
OCTV Octave Intelligence Class B 0.20% 125,000 $2.0M New
CHEC Chenghe Acquisition II Class A 0.20% 200,000 $2.0M No change
ARCI Archimedes Tech Spac Partner 0.19% 200,000 $2.0M No change
FGII FG Imperii Acquisition Class A 0.19% 200,000 $2.0M No change
LEGO Legato Merger Corp. IV 0.19% 200,000 $2.0M No change
PANL Pangaea Logistics Solutions 0.19% 300,000 $1.9M Reduce -3.1%
COIN Coinbase Global Inc. Class A 0.18% 13,000 $1.9M New
AMRZ Amrize Ltd. 0.18% 35,000 $1.9M No change
HDSN Hudson Technologies Inc. 0.18% 325,000 $1.9M No change
MSLE Satellos Bioscience Inc. 0.17% 230,833 $1.8M No change
BLUW Blue Water Acquisition C-A filed as BLUE WTR ACQUISITION CORP. I 0.15% 150,000 $1.5M No change
MAIA Maia Biotechnology Inc. 0.15% 1,066,666 $1.5M No change
EVAC Eqv Ventures Acquisition C-A 0.15% 150,000 $1.5M No change
HEPS D-Market Electronic Serv-ADR 0.14% 500,000 $1.5M New
PYXS Pyxis Oncology Inc. 0.13% 459,367 $1.4M Reduce -48.8%
WLII Willow Lane Acquisition Class A 0.12% 125,000 $1.3M No change
PMN Promis Neurosciences Inc. 0.12% 95,000 $1.3M Add +2.3%
LWAC Lightwave Acquisition Corp. Class A 0.10% 100,000 $1.0M No change
INAB IN8BIO Inc. 0.10% 724,637 $1.0M No change
CDLX Cardlytics Inc. 0.09% 200,000 $898K Add +37.9%
OYSE Oyster Enterprises II Acq-A 0.07% 75,000 $772K No change
CAE Cae Inc. 0.06% 25,000 $627K No change
GPK Graphic Packaging Holding Co. 0.06% 57,322 $606K Reduce -88.9%
GUTS Fractyl Health Inc. 0.06% 756,715 $601K Reduce -88.8%

Show all 107 holdings

Options reported separately and not counted above: PLTR puts ($283.4M), LLY puts ($184.7M), NVDA puts ($91.2M), XBI puts ($85.5M), ABBV puts ($61.7M), MDGL puts ($48.3M), PRAX puts ($37.0M), ALNY puts ($32.4M), ARKG puts ($31.5M), IONQ puts ($25.9M), QURE calls ($14.6M), MRNA puts ($10.9M), and 13 more.

Other holdings (21): bonds, preferreds, convertibles and warrants · $46.8M (not counted above)
SecurityClassShares / PrincipalValueChange
BRIDGEBIO PHARMA INC (BBIO 2.5 03/15/27) NOTE 2.500% 3/1 · principal 21,750,000$38.8MNo change
CARDLYTICS INC (CDLX 4.25 04/01/29) NOTE 4.250% 4/0 · principal 20,500,000$5.9MAdd +32.3%
BRIDGEBIO PHARMA INC (BBIO 1.75 03/01/31) NOTE 1.750% 3/0 · principal 1,000,000$1.7MNo change
SAAQW Space Asset Acquisition Corp. *W EXP 03/31/203 124,999$112KNo change
GCTS.WS Concord Acq Class A -CW28 *W EXP 03/01/202 127,202$62KReduce -77.5%
ACGCW Acp Holdings Acquisition Cor *W EXP 03/30/203 125,000$38KNew
ARCIW Archimedes Tech Spac Partner *W EXP 01/23/203 50,000$38KNo change
BLUWW Blue Water Acquisition-CW26 *W EXP 05/23/203 75,000$29KNo change
WLIIW Willow Lane Acquisition Corp. *W EXP 12/31/203 31,250$28KNo change
LEGO.WS Legato Merger Corp. IV *W EXP 99/99/999 66,667$28KNo change
LAFAR Lafayette Acquisition Corp. RIGHT 10/24/2030 250,000$25KNo change
FGIIW FG Imperii Acquisition Corp. *W EXP 10/14/203 100,000$25KNo change
CHECW Chenghe Acquisition III Co. *W EXP 09/09/203 100,000$21KNo change
EVAC.WS Eqv Ventures Acquisition Cor *W EXP 06/30/203 50,000$20KNo change
LWACW Lightwave Acquisition Corp. *W EXP 06/06/203 50,000$15KNo change
BRLSW Oxus Acquisition Corp. -CW23 *W EXP 02/07/202 200,000$9KNo change
OYSER Oyster Enterprises II Acquis RIGHT 05/22/2030 75,000$8KNo change
ECXWW Ecarx Holdings Inc. Class A-27 *W EXP 99/99/999 125,000$5KNo change
MSAIW Sportsmap Tech Acq -CW27 *W EXP 12/19/202 150,000$4KNo change
APLMW Apollomics Inc.-27 *W EXP 04/01/202 130,000$3KNo change
ORIQW Origin Investment Corp. I -30 *W EXP 06/27/203 15,000$2KNo change

Total filed on the 13F, all lines: $1.1B.

Portfolio Sells Q1 2026 → Q2 2026

GXO Gxo Logistics Inc. Reduce -57.0% 1.05% −1.49
LLY Eli Lilly & Co. Sold out 0.00% −1.35
FOLD Amicus Therapeutics Inc. Sold out 0.00% −1.10
APLS Apellis Pharmaceuticals Inc. Sold out 0.00% −0.98
LEN.B Lennar Corp. Class B Sold out 0.00% −0.95
BKNG Booking Holdings Inc. Sold out 0.00% −0.91
CCOI Cogent Communications Holdin Sold out 0.00% −0.83
ASTH Astrana Health Inc. Reduce -70.0% 0.94% −0.74
B Barrick Mining Corp. Reduce -39.5% 0.85% −0.74
GSAT Globalstar Inc. Sold out 0.00% −0.64
FRNM Freenome Inc. Sold out 0.00% −0.60
GPK Graphic Packaging Holding Co. Reduce -88.9% 0.06% −0.45
VKTX Viking Therapeutics Inc. Sold out 0.00% −0.41
TBPH Theravance Biopharma Inc. Sold out 0.00% −0.40
IAG Iamgold Corp. Reduce -3.8% 1.54% −0.40
INSE Inspired Entertainment Inc. Reduce -59.6% 0.34% −0.40
CZR Caesars Entertainment Inc. Sold out 0.00% −0.39
ARIS Aris Mining Corp. Reduce -3.8% 1.10% −0.35
ABEO Abeona Therapeutics Inc. Sold out 0.00% −0.34
RXO Rxo Inc. Sold out 0.00% −0.26
PAAS Pan American Silver Corp. Reduce -33.0% 0.29% −0.25
CRESY Cresud S.A.-Spons ADR Reduce -79.2% 0.05% −0.24
PTGX Protagonist Therapeutics Inc. Reduce -18.3% 3.42% −0.24
GUTS Fractyl Health Inc. Reduce -88.8% 0.06% −0.24
SDRL Seadrill Limited Reduce -4.0% 0.87% −0.24
NTGR Netgear Inc. Sold out 0.00% −0.21
CACI Caci International Inc. Class A Sold out 0.00% −0.21
CTMX Cytomx Therapeutics Inc. Reduce -95.3% 0.01% −0.19
STGW Stagwell Inc. Sold out 0.00% −0.19
SAIC Science Applications Inte Sold out 0.00% −0.18
ARMP Armata Pharmaceuticals Inc. Sold out 0.00% −0.14
IVVD Invivyd Inc. Reduce -1.3% 0.21% −0.11
IRS Irsa -SP ADR Sold out 0.00% −0.11
AMZN Amazon.com Inc. Reduce -28.3% 0.44% −0.10
SVM Silvercorp Metals Inc. Reduce -17.9% 0.32% −0.10
NVGS Navigator Holdings Ltd. Reduce -24.7% 0.25% −0.10
AMPY Amplify Energy Corp. Sold out 0.00% −0.10
AXTI Axt Inc. Sold out 0.00% −0.09
DIBS 1STDIBS.COM Inc. Sold out 0.00% −0.09
SRZN Surrozen Inc. Sold out 0.00% −0.09
INFU Infusystem Holdings Inc. Sold out 0.00% −0.09
ANRO Alto Neuroscience Inc. Sold out 0.00% −0.09
PPIH Perma-Pipe International Hol Sold out 0.00% −0.09
RSVR Reservoir Media Inc. Sold out 0.00% −0.09
AVTX Avalo Therapeutics Inc. Sold out 0.00% −0.08
ERII Energy Recovery Inc. Reduce -3.6% 0.46% −0.08
XHR Xenia Hotels & Resorts Inc. Sold out 0.00% −0.08
CRBP Corbus Pharmaceuticals Holdi Sold out 0.00% −0.08
IMRX Immuneering Corp. Class A Sold out 0.00% −0.08
CCCC C4 Therapeutics Inc. Sold out 0.00% −0.08

Portfolio Buys Q1 2026 → Q2 2026

QURE Uniqure NV Add +15.0% 2.55% +1.75
U Unity Software Inc. New 1.69% +1.69
MOH Molina Healthcare Inc. Add +3.1% 3.63% +1.54
TRAX First Tracks Biotherapeutics New 1.45% +1.45
SE Sea Ltd.-ADR New 1.24% +1.24
HRMY Harmony Biosciences Holdings New 1.03% +1.03
NU Nu Holdings Ltd./Cayman Isl-A New 0.96% +0.96
ANAB Anaptysbio Inc. Add +5.6% 4.28% +0.89
LEN Lennar Corp. Class A Add +1900.0% 0.87% +0.83
IFRX Inflarx NV Add +52.8% 1.09% +0.80
HHH Howard Hughes Holdings Inc. Add +294.4% 0.96% +0.74
ATEX Anterix Inc. Add +43.5% 0.65% +0.48
GOSS Gossamer Bio Inc. Add +684.0% 0.62% +0.46
RNAC Cartesian Therapeutics Inc. Add +97.0% 0.65% +0.45
MICC The Magnum Ice Cream Co. NV New 0.34% +0.34
ALNY Alnylam Pharmaceuticals Inc. Add +66.7% 1.01% +0.33
STTK Shattuck Labs Inc. Add +44.6% 0.77% +0.27
PRQR Proqr Therapeutics NV New 0.25% +0.25
ACGC Acp Holdings Acquisitio Class A New 0.24% +0.24
AMTM Amentum Holdings Inc. Add +41.9% 2.19% +0.21
INSM Insmed Inc. New 0.20% +0.20
OCTV Octave Intelligence Class B New 0.20% +0.20
COIN Coinbase Global Inc. Class A New 0.18% +0.18
DDI Doubledown Interactive -ADR Add +6.9% 0.61% +0.18
BDX Becton Dickinson and Co. Add +11.1% 3.64% +0.17
WW WW International Inc.-New Add +61.3% 0.37% +0.17
LXEO Lexeo Therapeutics Inc. Add +56.3% 0.84% +0.16
HEPS D-Market Electronic Serv-ADR New 0.14% +0.14
BLDR Builders Firstsource Inc. Add +12.5% 0.77% +0.13
CNTB Connect Biopharma Holdings L Add +42.8% 0.29% +0.06
JATT Jatt II Acquisition Corp. New 0.05% +0.05
AIV Apartment Invt & Mgmt Co. Class A Add +44.8% 0.60% +0.02
MSTR Strategy Inc. New 0.02% +0.02
PMN Promis Neurosciences Inc. Add +2.3% 0.12% +0.00
MODD Modular Medical Inc. Add +4.0% 0.06% −0.01
KNOP Knot Offshore Partners LP Add +1.7% 1.44% −0.02
VTOL Bristow Group Inc. Add +10.2% 0.81% −0.04
CPNG Coupang Inc. Add +6.6% 1.09% −0.04
CDLX Cardlytics Inc. Add +37.9% 0.09% −0.06
NE Noble Corp. PLC Add +16.7% 0.63% −0.09
SRPT Sarepta Therapeutics Inc. Add +4.3% 1.35% −0.25
WVE Wave Life Sciences Ltd. Add +1.0% 2.76% −0.71

Options Activity Q1 2026 → Q2 2026

PLTR Palantir Technologies Inc. Class A put Add +4.3% 2,428,700 $283.4M
LLY Eli Lilly & Co. put Add +14.9% 154,000 $184.7M
XBI SS SPDR S&P Biotech ETF put New 540,000 $85.5M
ABBV Abbvie Inc. put New 245,000 $61.7M
TSLA Tesla Inc. put Sold out 110,000 $40.9Mbefore exit
PRAX Praxis Precision Medicines I put Reduce -2.0% 110,400 $37.0M
ALNY Alnylam Pharmaceuticals Inc. put Reduce -16.1% 107,500 $32.4M
ARKG ARK Genomic Revolution ETF put Add +114.3% 750,000 $31.5M
IONQ Ionq Inc. put Reduce -8.5% 486,700 $25.9M
QURE Uniqure NV call Reduce -74.8% 316,200 $14.6M
CCOI Cogent Communications Holdin call Sold out 500,000 $9.4Mbefore exit
LEN Lennar Corp. Class A put Reduce -33.3% 100,000 $9.0M
RVMD Revolution Medicines Inc. put Sold out 50,100 $4.9Mbefore exit
LULU Lululemon Athletica Inc. put Sold out 25,000 $3.8Mbefore exit
INSM Insmed Inc. put Reduce -41.7% 35,000 $3.7M
KYMR Kymera Therapeutics Inc. put New 30,000 $3.4M
VKTX Viking Therapeutics Inc. call Add +33.3% 80,000 $3.1M
NVO Novo-Nordisk A/S-Spons ADR put Reduce -66.7% 50,000 $2.4M
MSTR Strategy Inc. put Reduce -61.7% 25,000 $2.2M
PYPL PayPal Holdings Inc. call Sold out 42,300 $1.9Mbefore exit
RARE Ultragenyx Pharmaceutical Inc. put New 50,000 $1.7M
PTGX Protagonist Therapeutics Inc. call Sold out 15,100 $1.6Mbefore exit
SRRK Scholar Rock Holding Corp. put Sold out 16,200 $796Kbefore exit
ADMA Adma Biologics Inc. put Sold out 50,000 $451Kbefore exit

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

Notes & Other Activity Q1 2026 → Q2 2026

GOSSAMER BIO INC (GOSS 5 06/01/27) NOTE 5.000% 6/0 · principal Sold out 27,877,000 $10.6Mbefore exit
CARDLYTICS INC (CDLX 4.25 04/01/29) NOTE 4.250% 4/0 · principal Add +32.3% 20,500,000 $5.9M
GCTS.WS Concord Acq Class A -CW28 *W EXP 03/01/202 Reduce -77.5% 127,202 $62K
ACGCW Acp Holdings Acquisition Cor *W EXP 03/30/203 New 125,000 $38K

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 107$1.0BCOF, CVNA, ANAB, KSPI, BDX
Q1 2026 188$1.0BCOF, CVNA, PTGX, WVE, BDX
Q4 2025 189$1.1BCOF, WVE, CVNA, GXO, HGV
Q3 2025 102$1.1BCOF, QURE, CVNA, UWMC, GXO
Q2 2025 101$930.0MCOF, CVNA, GXO, AMTM, HGV
Q1 2025 103$898.4MCOF, GXO, CVNA, WVE, HGV
Q4 2024 191$909.7MCOF, WVE, CVNA, HGV, ERO
Q3 2024 93$878.6MCOF, ERO, HGV, CVNA, WVE
Q2 2024 88$851.1MHGV, COF, SN, ERO, BWA
Q1 2024 80$907.2MHGV, COF, ERO, SN, BWA