13F

Investor

683 Capital Management, LLC

CIK 0001404574 · filed 2026-05-15 · SEC filing

13F book

$1.92B

Positions

208

36 new · 33 sold

Largest name

3.6%

Capital One Finl Corp

Est. mark

−$132.4M

Price effect on 172 names still held. Flow $7.97M.
NameTickerSharesValueWeightEst. markChange
Capital One Finl Corp375K$68.4M3.6%−$20.1MAdded−$12.8M
Carvana Co.CVNA155K$48.7M2.5%−$16.1MAdded−$14.6M
BridgeBio Pharma, Inc.BBIO21.8M$39.2M2.0%−$1.83MHeld
Protagonist Therapeutics, IncPTGX355K$37.4M2.0%$6.41MCut$4.17M
Wave Life Sciences Ltd.WVE4.9M$35.5M1.9%−$39.1MAdded−$32.7M
Becton Dickinson & CoBDX225K$35.4M1.8%−$3.32MAdded$17.9M
Kaspi Kz Jsc475K$35.2M1.8%−$1.08MAdded$14.5M
Anaptysbio, IncANAB625K$34.7M1.8%$4.36MCut$3.24M
Hilton Grand Vacations Inc.HGV775K$30.3M1.6%−$4.19MAdded−$3.02M
GXO Logistics, Inc.GXO500K$25.9M1.4%−$395KCut−$10.1M
Molina Healthcare, Inc.MOH160K$21.3M1.1%−$5.43MAdded−$2.1M
Amylyx Pharmaceuticals, Inc.AMLX1.53M$21.3M1.1%$2.78MCut$1.33M
Meiragtx Hldgs Plc2.45M$21.2M1.1%$1.74MCut$872.3K
Phathom Pharmaceuticals, Inc.PHAT1.85M$20.6M1.1%−$9.78MAdded−$9.06M
Amentum Holdings, Inc.AMTM775K$20.2M1.1%−$2.26MCut−$4M
Iamgold CorpIAG1.05M$19.8M1.0%$2.1MAdded$4.92M
Tg Therapeutics, Inc.TGTX590K$19.6M1.0%$1.23MAdded$8.87M
Astrana Health, Inc.ASTH700K$17.2M0.9%New
Sarepta Therapeutics, Inc.SRPT750K$16.3M0.9%$180KCut−$1.11M
Barrick Mng Corp400K$16.3M0.9%−$1.1MHeld
Western Alliance Bancorp225K$15.9M0.8%−$1.32MAdded$7.53M
Knot Offshore Partners LpKNOP1.48M$14.9M0.8%−$394.2KAdded−$192.6K
Aris Mng CorpARIS800K$14.9M0.8%$1.88MCut$256.2K
Eli Lilly & CoLLY15K$13.8M0.7%New
Elevance Health Inc Formerly40K$11.7M0.6%−$2.31MCut−$3.01M
Coupang, Inc.CPNG610K$11.5M0.6%New
Seadrill LtdSDRL250K$11.4M0.6%$2.18MAdded$4.46M
Amicus Therapeutics Inc775K$11.2M0.6%$170.5KCut−$185.5K
Genuine Parts CoGPC105K$11.1M0.6%New
Gossamer Bio, Inc.GOSS27.9M$10.6M0.6%New
Alphabet Inc36K$10.4M0.5%−$915.8KHeld
Apellis Pharmaceuticals Inc250K$10.1M0.5%$3.78MCut$1.77M
Lennar Corp115K$9.67M0.5%−$1.26MHeld
Booking Holdings Inc.BKNG2.2K$9.26M0.5%New
Zevra Therapeutics, Inc.ZVRA975K$9.09M0.5%$325.8KAdded$978.2K
Bristow Group Inc.VTOL186K$8.72M0.5%$1.91MHeld
Unitedhealth Group IncUNH32K$8.66M0.5%−$1.9MCut−$6.2M
Cogent Communications Hldgs450.3K$8.48M0.4%−$1.22MCut−$4.45M
Uniqure Nv500K$8.17M0.4%−$2.92MAdded−$1.04M
Inspired Entmt Inc1.05M$7.48M0.4%−$2.34MCut−$2.46M
Noble Corp Plc150K$7.36M0.4%$677KAdded$6.44M
Alnylam Pharmaceuticals, Inc.ALNY21K$6.95M0.4%−$252.6KAdded$5.44M
Lexeo Therapeutics, Inc.LXEO1.2M$6.89M0.4%−$4.69MAdded−$4.23M
Alector, Inc.ALEC3.2M$6.88M0.4%$1.89MCut$1.65M
Icon PlcICLR62K$6.86M0.4%New
Builders FirstSource, Inc.BLDR80K$6.59M0.3%−$740.2KAdded$2.88M
Globalstar, Inc.GSAT98K$6.51M0.3%$527.2KCut−$632.5K
Perceptive Cap Solutions Cor561.9K$6.16M0.3%−$1.16MCut−$2.19M
Apartment Invt & Mgmt Co1.45M$5.9M0.3%New
Energy Recovery, Inc.ERII550K$5.54M0.3%New
Amazon Com IncAMZN26.5K$5.52M0.3%−$597.6KHeld
Pan Amern Silver Corp100K$5.46M0.3%New
Enova Intl Inc40K$5.43M0.3%−$641.1KAdded$717.2K
Graphic Packaging Hldg Co517.7K$5.15M0.3%−$2.65MHeld
Shattuck Labs, Inc.STTK800K$5.14M0.3%$2.22MCut$70.5K
S&P Global Inc.SPGI12.1K$5.14M0.3%New
Moodys Corp11K$4.8M0.3%New
Silvercorp Metals IncSVM406K$4.36M0.2%$480KAdded$2.69M
Doubledown Interactive Co Lt514.7K$4.35M0.2%−$90KAdded$33.8K
Hyperliquid Strategies IncPURR850K$4.33M0.2%$1.3MCut−$1.33M
Viking Therapeutics, Inc.VKTX130K$4.23M0.2%−$343.2KCut−$2.17M
Cardlytics, Inc.CDLX15.5M$4.22M0.2%−$1.69MAdded−$1.55M
Theravance Biopharma, Inc.TBPH250K$4.06M0.2%New
Atrium Therapeutics, Inc.RNA300K$4.01M0.2%New
Caesars Entertainment Inc Ne150K$3.96M0.2%$456KCut−$1.74M
Mereo Biopharma Group PlcMREO12M$3.96M0.2%−$1.04MCut−$2.3M
Space Asset Acquisition Corp375K$3.73M0.2%New
Navigator Hldgs Ltd186K$3.6M0.2%$373.9KHeld
Abeona Therapeutics Inc.ABEO770K$3.45M0.2%−$608.3KHeld
Barnes & Noble Ed Inc380K$3.36M0.2%−$126KAdded$138.9K
Invivyd, Inc.IVVD2.52M$3.27M0.2%−$2.94MCut−$3.89M
Fractyl Health, Inc.GUTS6.73M$3.08M0.2%−$10.5MAdded−$10.2M
Cresud S A C I F Y A240K$3.05M0.2%$21.6KCut−$2.3M
Inflarx Nv3.31M$2.96M0.2%−$383.2KHeld
Immunic, Inc.IMUX2.45M$2.72M0.1%New
RXO, Inc.RXO180K$2.63M0.1%$356.4KCut−$1.89M
Aldeyra Therapeutics, Inc.ALDX1.5M$2.53M0.1%−$5.24MCut−$5.39M
Lafayette Acquisition Corp250K$2.49M0.1%$17.5KHeld
Connect Biopharma Hldgs Ltd900K$2.36M0.1%New
Howard Hughes Holdings Inc.HHH35.5K$2.25M0.1%−$586.1KCut−$785.5K
Pangaea Logistics Solution L309.5K$2.19M0.1%$61.9KCut−$1.21M
Netgear, Inc.NTGR100K$2.18M0.1%New
Caci Intl Inc4K$2.18M0.1%$44.2KCut−$3.42M
Ww Intl Inc150K$2.06M0.1%New
Cartesian Therapeutics, Inc.RNAC330K$2.03M0.1%−$296.8KAdded$10.7K
Chenghe Acquisition Iii Co200K$2.02M0.1%$22KHeld
CytomX Therapeutics, Inc.CTMX425K$2M0.1%New
Legato Merger Corp Iv200K$1.98M0.1%New
Fg Imperii Acquisition Corp200K$1.98M0.1%New
Archimedes Tech Spac Ptnrs I200K$1.97M0.1%New
Amrize LtdAMRZ35K$1.96M0.1%$67.9KHeld
Stagwell IncSTGW305K$1.92M0.1%$427KCut−$2.14M
Hudson Technologies Inc325K$1.91M0.1%−$315.2KCut−$383.8K
Science Applications Intl Co19K$1.8M0.1%−$109.1KCut−$3.13M
Anterix Inc.ATEX46K$1.76M0.1%New
BridgeBio Pharma, Inc.BBIO1M$1.7M0.1%New
Gossamer Bio, Inc.GOSS5M$1.64M0.1%−$13.9MCut−$14.4M
Blue Wtr Acquisition Corp. I150K$1.54M0.1%−$6KHeld
Cardlytics, Inc.CDLX1.45M$1.52M0.1%−$140KAdded−$87.6K
Eqv Ventures Ac Corp. Ii150K$1.51M0.1%$9KHeld
MAIA Biotechnology, Inc.MAIA1.07M$1.49M0.1%New
Armata Pharmaceuticals, Inc.ARMP137K$1.4M0.1%$542.5KCut$524.6K
Pyxis Oncology, Inc.PYXS896.3K$1.31M0.1%$276.5KAdded$282.8K
Satellos Bioscience Inc.MSLE230.8K$1.3M0.1%New
Hyliion Holdings Corp.HYLN725K$1.28M0.1%−$58KCut−$242K
Willow Lane Acquisition Crp125K$1.26M0.1%New
ProMIS Neurosciences Inc.PMN92.8K$1.18M0.1%New
Irsa Inversiones Y Rep S A70K$1.13M0.1%−$23.1KCut−$1.43M
In8bio, Inc.INAB724.6K$1.07M0.1%−$623.2KHeld
Lightwave Acquisition Corp100K$1.02M0.1%$17KHeld
Amplify Energy Corp New160K$998.4K0.1%$267.2KCut$136.1K
Axt IncAXTI17K$968.7K0.1%$690.7KCut−$257.6K
1stdibs.com, Inc.DIBS175.8K$966.8K0.1%−$86.1KHeld
Surrozen Inc33K$961.3K0.1%$215.5KCut$12.1K
Infusystem Hldgs Inc100.5K$927.3K0.0%$26.1KHeld
Alto Neuroscience, Inc.ANRO40K$899.2K0.0%$187.2KCut−$253.9K
Perma-Pipe Intl Hldgs Inc30K$894.3K0.0%−$16.5KCut−$227.6K
Reservoir Media Inc90K$881.1K0.0%$199.8KCut−$307K
Avalo Therapeutics, Inc.AVTX56.9K$848.8K0.0%−$183.6KHeld
Xenia Hotels & Resorts, Inc.XHR55K$815.6K0.0%$37.9KCut−$5.59M
Corbus Pharmaceuticals Hldgs85.5K$803.2K0.0%$106.9KHeld
Immuneering CorpIMRX150.7K$794.2K0.0%−$197.4KHeld
C4 Therapeutics, Inc.CCCC300K$789K0.0%$216KCut$25K
Orchestra Biomed Hldgs Inc185K$786.3K0.0%$18.5KCut−$60.7K
Assembly Biosciences, Inc.ASMB27.9K$773.2K0.0%−$174.4KHeld
Prenetics Global Ltd40K$772.8K0.0%$142.8KCut−$408.4K
Oyster Enterprises Ii Acquis75K$762.8K0.0%$4.51KHeld
Fossil Group, Inc.FOSL175K$754.3K0.0%$96.3KCut−$216.1K
Aemetis, IncAMTX235.6K$751.4K0.0%$424KHeld
Kyverna Therapeutics, Inc.KYTX85K$733.5K0.0%−$65.4KCut−$346.5K
Duos Technologies Group, Inc.DUOT106.5K$730.5K0.0%−$467.5KHeld
Contineum Therapeutics, Inc.CTNM55K$718.3K0.0%$89.7KCut−$326.9K
Unusual Machs Inc55K$682K0.0%−$18.7KCut−$397.7K
Virgin Galactic Holdings, IncSPCE280.2K$680.8K0.0%−$218.5KHeld
Comstock Inc.LODE220K$671K0.0%−$156.2KCut−$367.7K
Sagimet Biosciences Inc.SGMT126.3K$660.2K0.0%−$87.8KHeld
Modular Med Inc125K$660K0.0%New
Zura Bio LtdZURA110K$654.5K0.0%$78.1KCut−$703.5K
Lightpath Technologies IncLPTH65K$652K0.0%−$50.1KCut−$790.9K
CAE IncCAE25K$651.3K0.0%−$109.3KHeld
vTv Therapeutics Inc.VTVT16K$634.6K0.0%−$5.28KCut−$96K
Climb Bio, Inc.CLYM90K$616.5K0.0%$256.5KCut−$190.1K
Everspin Technologies Inc.MRAM70K$615.3K0.0%−$34.3KCut−$405K
Gsi Technology IncGSIT118.8K$610.8K0.0%−$127.2KHeld
Cabaletta Bio, Inc.CABA225K$605.3K0.0%$112.5KCut−$245.7K
Elicio Therapeutics, Inc.ELTX56.4K$603.4K0.0%$154.1KHeld
Achieve Life Sciences, Inc.ACHV200K$588K0.0%−$406KCut−$480K
CareCloud, Inc.CCLD159.8K$583.1K0.0%$116.6KHeld
Lantronix IncLTRX110K$576.4K0.0%−$68.2KCut−$633.1K
Fuelcell Energy Inc85.1K$555.8K0.0%−$66.4KCut−$321.4K
Black Diamond Therapeutics I248K$528.2K0.0%−$74.4KHeld
Hycroft Mining Holding Corp15K$528K0.0%$171.5KCut−$660.5K
Neovolta Inc170K$523.6K0.0%$6.8KCut−$65.5K
Forte Biosciences, Inc.FBRX20K$518K0.0%−$27.4KCut−$572.8K
Legacy Ed Inc40K$500.8K0.0%$93.2KCut$29K
Intellicheck, Inc.IDN70K$489.3K0.0%$21.7KCut−$24.4K
Twin Disc IncTWIN32K$481.7K0.0%−$51.5KHeld
Geospace Technologies CorpGEOS39.3K$478.9K0.0%−$184.9KHeld
Camp4 Therapeutics CorpCAMP108K$476.3K0.0%−$185.8KCut−$298.3K
Alt5 Sigma Corp410K$455.1K0.0%$4.1KCut−$73.2K
One Stop Sys Inc60K$454.2K0.0%$23.4KCut−$193.8K
Galectin Therapeutics IncGALT162.5K$453.3K0.0%−$222.6KHeld
Orion Properties Inc.ONL208.1K$447.5K0.0%−$22.9KHeld
B. Riley Financial Inc60K$439.2K0.0%$159KCut$65.6K
Freightcar Amer Inc55K$438.4K0.0%−$170.5KCut−$287.8K
Stoneridge IncSRI90K$434.7K0.0%−$86.4KCut−$154.5K
Lennar Corp5K$434.2K0.0%−$79.8KCut−$6.3M
Inovio Pharmaceuticals, Inc.INO248.8K$432.9K0.0%$0Held
Microbot Med Inc170K$409.7K0.0%$69.7KCut−$102.4K
Taylor Devices, Inc.TAYD7K$399K0.0%−$10.2KCut−$207.3K
Agenus IncAGEN114.3K$381.9K0.0%$22.9KHeld
Veritone, Inc.VERI191.5K$377.3K0.0%−$513.3KHeld
Innovative Solutions & Suppo18K$369.5K0.0%$28.6KCut−$482.8K
Comstock Hldg Cos Inc19.5K$369.3K0.0%$142.7KCut−$27.2K
Rani Therapeutics Hldgs Inc487.2K$358K0.0%−$299.7KHeld
Neonc Technologies Hldgs Inc50K$350.5K0.0%−$63KCut−$91.7K
Owlet, Inc.OWLT65K$334.1K0.0%−$718.3KCut−$799.2K
Origin Invt Corp I30K$306K0.0%$2.4KHeld
RideNow Group, Inc.RDNW42K$296.5K0.0%$64.7KCut−$229.6K
Coya Therapeutics, Inc.COYA70K$275.8K0.0%−$130.2KCut−$188.9K
Rapid Micro Biosystems, Inc.RPID120.8K$274.2K0.0%−$76.1KHeld
Optimum Communications, Inc.OPTU203.1K$264K0.0%New
Kalaris Therapeutics, Inc.KLRS45K$259.6K0.0%−$120.2KCut−$420.5K
Surf Air Mobility Inc.SRFM203K$233.4K0.0%−$160.3KHeld
Jfb Constr Hldgs38K$232.6K0.0%−$226.1KAdded−$156.3K
Playboy, Inc.PLBY150K$228K0.0%−$54KCut−$264.1K
Mdxhealth SaMDXH97K$223.1K0.0%−$123.2KCut−$161.1K
Mako Mng Corp27.4K$176.3K0.0%New
GENELUX CorpGNLX60K$145.2K0.0%−$116.4KCut−$426.3K
Gct Semiconductor Hldg Inc566.2K$102.5K0.0%$59.8KCut$49.5K
Defi Development Corp30K$98.7K0.0%−$52.8KCut−$497.1K
Insight Molecular Dia Inc29K$95.1K0.0%−$122.4KCut−$483.9K
Space Asset Acquisition Corp125K$87.5K0.0%New
Apyx Medical CorpAPYX20K$73.8K0.0%$3.8KCut−$362K
Blue Wtr Acquisition Corp. I75K$37.5K0.0%−$2.25KHeld
Lafayette Acquisition Corp250K$30K0.0%−$3.78KHeld
Archimedes Tech Spac Ptnrs I50K$26.8K0.0%New
Chenghe Acquisition Iii Co100K$24K0.0%$4KHeld
Legato Merger Corp Iv66.7K$21.5K0.0%New
Fg Imperii Acquisition Corp100K$20K0.0%New
Borealis Foods Inc200K$15.5K0.0%$5.48KHeld
Eqv Ventures Ac Corp. Ii50K$15K0.0%−$2.5KHeld
Lightwave Acquisition Corp50K$12K0.0%−$1.5KHeld
Oyster Enterprises Ii Acquis75K$9.38K0.0%−$5.63KHeld
Ecarx Holdings Inc125K$6.5K0.0%$862Held
Multisensor Ai Holdings Inc150K$5.87K0.0%$1.6KHeld
Origin Invt Corp I15K$2.02K0.0%−$858Held
Apollomics Inc130K$1.98K0.0%$533Held

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.