683 Capital Management, LLC — 13F Holdings & Portfolio

CIK 1404574 · latest 13F-HR filed 2026-08-14

683 Capital Management, LLC manages $2.04B in 13F-reported U.S. long-equity assets across 153 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are PLTR (13.91%), LLY (9.07%), NVDA (4.48%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 19 new positions, exited 99, added to 47, and trimmed 34.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
1700 BROADWAY
SUITE 4200
NEW YORK, NY 10019
Phone
(212) 554-2379
Filing Manager
683 Capital Management, LLC
NEW YORK, NY
Signatory
Ari Zweiman
Managing Member
Loading holdings…
AUM

$2.04B

Long-equity book

Holdings

153

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+19 / −99 / ↑47 / ↓34

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • UNIQURE NV$18.3M +224.0%
  • MOLINA HEALTHCARE INC$16.4M +76.9%
  • ANAPTYSBIO INC$9.9M +28.5%
  • MEIRAGTX HLDGS PLC$9.9M +46.5%
  • LENNAR CORP$8.6M +1984.1%
Show all 47 →

Top Trims

  • GXO LOGISTICS INCORPORATED-$15.0M -58.0%
  • BARRICK MNG CORP-$7.4M -45.5%
  • ASTRANA HEALTH INC-$7.4M -43.2%
  • WAVE LIFE SCIENCES LTD-$6.8M -19.0%
  • GRAPHIC PACKAGING HLDG CO-$4.5M -88.2%
Show all 34 →

New Positions

  • UNITY SOFTWARE INC$17.6M
  • FIRST TRACKS BIOTHERAPEUTICS$15.1M
  • SEA LTD$12.9M
  • HARMONY BIOSCIENCES HLDGS IN$10.7M
  • NU HLDGS LTD$10.0M
Show all 19 →

Exited Positions

  • ELI LILLY & CO$13.8M
  • AMICUS THERAPEUTIC$11.2M
  • GOSSAMER BIO INC$10.6M
  • APELLIS PHARMACEUTICALS INC$10.1M
  • LENNAR CORP$9.7M
Show all 99 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 PALANTIR TECHNOLOGIES INC Put PLTR 69608A108 $283.4M 13.91% 2,428,700 SH
2 ELI LILLY & CO Put LLY 532457108 $184.7M 9.07% 154,000 SH
3 NVIDIA CORPORATION Put NVDA 67066G104 $91.2M 4.48% 456,000 SH
4 SPDR SERIES TRUST Put XBI 78464A870 $85.5M 4.20% 540,000 SH
5 CAPITAL ONE FINL CORP COF 14040H105 $73.2M 3.60% 365,000 SH
6 ABBVIE INC Put ABBV 00287Y109 $61.7M 3.03% 245,000 SH
7 CARVANA CO CVNA 146869102 $49.4M 2.42% 750,000 SH
8 MADRIGAL PHARMACEUTICALS INC Put MDGL 558868105 $48.3M 2.37% 90,000 SH
9 ANAPTYSBIO INC ANAB 032724106 $44.6M 2.19% 660,000 SH
10 KASPI KZ JSC KSPI 48581R205 $40.7M 2.00% 470,000 SH
11 BRIDGEBIO PHARMA INC BBIO 10806XAB8 $38.8M 1.90% 21,750,000 PRN
12 BECTON DICKINSON & CO BDX 075887109 $37.8M 1.86% 250,000 SH
13 MOLINA HEALTHCARE INC MOH 60855R100 $37.7M 1.85% 165,000 SH
14 PRAXIS PRECISION MEDICINES I Put PRAX 74006W207 $37.0M 1.82% 110,400 SH
15 HILTON GRAND VACATIONS INC HGV 43283X105 $36.1M 1.77% 690,000 SH
16 PROTAGONIST THERAPEUTICS INC PTGX 74366E102 $35.5M 1.75% 290,000 SH
17 ALNYLAM PHARMACEUTICALS INC Put ALNY 02043Q107 $32.4M 1.59% 107,500 SH
18 ARK ETF TR Put ARKG 00214Q302 $31.5M 1.55% 750,000 SH
19 MEIRAGTX HLDGS PLC MGTX G59665102 $31.1M 1.53% 2,300,000 SH
20 WAVE LIFE SCIENCES LTD WVE Y95308105 $28.8M 1.41% 4,950,000 SH
21 UNIQURE NV QURE N90064101 $26.5M 1.30% 575,000 SH
22 IONQ INC Put IONQ 46222L108 $25.9M 1.27% 486,700 SH
23 AMYLYX PHARMACEUTICALS INC AMLX 03237H101 $23.0M 1.13% 1,279,512 SH
24 AMENTUM HOLDINGS INC AMTM 023939101 $22.7M 1.12% 1,100,000 SH
25 TG THERAPEUTICS INC TGTX 88322Q108 $21.4M 1.05% 389,081 SH
26 PHATHOM PHARMACEUTICALS INC PHAT 71722W107 $20.1M 0.99% 1,850,000 SH
27 UNITY SOFTWARE INC U 91332U101 $17.6M 0.86% 615,000 SH
28 WESTERN ALLIANCE BANCORP WAL 957638109 $16.4M 0.81% 200,000 SH
29 IAMGOLD CORP IAG 450913108 $16.0M 0.79% 1,010,000 SH
30 ELEVANCE HEALTH INC FORMERLY ELV 036752103 $15.5M 0.76% 40,000 SH
31 FIRST TRACKS BIOTHERAPEUTICS TRAX 337185102 $15.1M 0.74% 750,000 SH
32 KNOT OFFSHORE PARTNERS LP KNOP Y48125101 $15.0M 0.74% 1,505,000 SH
33 UNIQURE NV Call QURE N90064101 $14.6M 0.72% 316,200 SH
34 SAREPTA THERAPEUTICS INC SRPT 803607100 $14.1M 0.69% 782,500 SH
35 UNITEDHEALTH GROUP INC UNH 91324P102 $13.3M 0.65% 32,000 SH
36 SEA LTD SE 81141R100 $12.9M 0.64% 135,000 SH
37 ALPHABET INC GOOGL 02079K305 $12.5M 0.61% 35,000 SH
38 ZEVRA THERAPEUTICS INC ZVRA 488445206 $12.3M 0.60% 855,000 SH
39 GENUINE PARTS CO GPC 372460105 $11.9M 0.59% 101,000 SH
40 ARIS MINING CORPORATION ARIS 04040Y109 $11.5M 0.56% 770,000 SH
41 INFLARX NV IFRX N44821101 $11.3M 0.56% 5,065,000 SH
42 COUPANG INC CPNG 22266T109 $11.3M 0.55% 650,000 SH
43 MODERNA INC Put MRNA 60770K107 $10.9M 0.54% 156,000 SH
44 GXO LOGISTICS INCORPORATED GXO 36262G101 $10.9M 0.54% 215,000 SH
45 HARMONY BIOSCIENCES HLDGS IN HRMY 413197104 $10.7M 0.53% 294,000 SH
46 ALNYLAM PHARMACEUTICALS INC ALNY 02043Q107 $10.5M 0.52% 35,000 SH
47 NU HLDGS LTD NU G6683N103 $10.0M 0.49% 750,000 SH
48 HOWARD HUGHES HOLDINGS INC HHH 44267T102 $10.0M 0.49% 140,000 SH
49 ASTRANA HEALTH INC ASTH 03763A207 $9.7M 0.48% 210,000 SH
50 ENOVA INTL INC ENVA 29357K103 $9.6M 0.47% 40,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $2.04B 153 0001404574-26-000023
2026-03-31 2026-05-15 $1.92B 237 0001404574-26-000018
2025-12-31 2026-02-17 $2.30B 234 0001404574-26-000003
2025-09-30 2025-11-14 $1.91B 139 0001404574-25-000002