683 Capital Management, LLC — 13F Holdings & Portfolio

CIK 1404574 · latest 13F-HR filed 2026-05-15

683 Capital Management, LLC manages $1.92B in 13F-reported U.S. long-equity assets across 237 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are PLTR (17.78%), LLY (6.43%), NVDA (4.15%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 36 new positions, exited 33, added to 35, and trimmed 114.

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.

Loading holdings…
AUM

$1.92B

Long-equity book

Holdings

237

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+36 / −33 / ↑35 / ↓114

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • BECTON DICKINSON & CO$17.9M +102.5%
  • KASPI KZ JSC$14.5M +69.9%
  • TG THERAPEUTICS INC$8.9M +82.6%
  • WESTERN ALLIANCE BANCORP$7.5M +89.6%
  • NOBLE CORP PLC$6.4M +702.0%
Show all 35

Top Trims

  • WAVE LIFE SCIENCES LTD-$32.7M -48.0%
  • CARVANA CO-$14.6M -23.0%
  • GOSSAMER BIO INC-$14.4M -89.8%
  • CAPITAL ONE FINL CORP-$12.8M -15.7%
  • FRACTYL HEALTH INC-$10.2M -76.9%
Show all 114

New Positions

  • ASTRANA HEALTH INC$17.2M
  • ELI LILLY & CO$13.8M
  • COUPANG INC$11.5M
  • GENUINE PARTS CO$11.1M
  • GOSSAMER BIO INC$10.6M
Show all 36

Exited Positions

  • UWM HOLDINGS CORPORATION$30.9M
  • WESTERN DIGITAL CORP$24.7M
  • HARMONY BIOSCIENCES HLDGS IN$15.5M
  • SUNOCOCORP LLC$11.6M
  • VENTYX BIOSCIENCES INC$9.4M
Show all 33
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 $340.6M 17.78% 2,328,700 SH
2 ELI LILLY & CO Put LLY 532457108 $123.2M 6.43% 134,000 SH
3 NVIDIA CORPORATION Put NVDA 67066G104 $79.5M 4.15% 456,000 SH
4 CAPITAL ONE FINL CORP COF 14040H105 $68.4M 3.57% 375,000 SH
5 CARVANA CO CVNA 146869102 $48.7M 2.54% 155,000 SH
6 MADRIGAL PHARMACEUTICALS INC Put MDGL 558868105 $47.1M 2.46% 90,000 SH
7 ALNYLAM PHARMACEUTICALS INC Put ALNY 02043Q107 $42.4M 2.21% 128,100 SH
8 TESLA INC Put TSLA 88160R101 $40.9M 2.13% 110,000 SH
9 BRIDGEBIO PHARMA INC BBIO 10806XAB8 $39.2M 2.05% 21,750,000 PRN
10 PROTAGONIST THERAPEUTICS INC PTGX 74366E102 $37.4M 1.95% 355,000 SH
11 PRAXIS PRECISION MEDICINES I Put PRAX 74006W207 $36.3M 1.90% 112,700 SH
12 WAVE LIFE SCIENCES LTD WVE Y95308105 $35.5M 1.85% 4,900,000 SH
13 BECTON DICKINSON & CO BDX 075887109 $35.4M 1.85% 225,000 SH
14 KASPI KZ JSC KSPI 48581R205 $35.2M 1.84% 475,000 SH
15 ANAPTYSBIO INC ANAB 032724106 $34.7M 1.81% 625,000 SH
16 HILTON GRAND VACATIONS INC HGV 43283X105 $30.3M 1.58% 775,000 SH
17 GXO LOGISTICS INCORPORATED GXO 36262G101 $25.9M 1.35% 500,000 SH
18 MOLINA HEALTHCARE INC MOH 60855R100 $21.3M 1.11% 160,000 SH
19 AMYLYX PHARMACEUTICALS INC AMLX 03237H101 $21.3M 1.11% 1,530,000 SH
20 MEIRAGTX HLDGS PLC MGTX G59665102 $21.2M 1.11% 2,450,000 SH
21 PHATHOM PHARMACEUTICALS INC PHAT 71722W107 $20.6M 1.07% 1,850,000 SH
22 UNIQURE NV Call QURE N90064101 $20.5M 1.07% 1,253,600 SH
23 AMENTUM HOLDINGS INC AMTM 023939101 $20.2M 1.05% 775,000 SH
24 IAMGOLD CORP IAG 450913108 $19.8M 1.03% 1,050,000 SH
25 TG THERAPEUTICS INC TGTX 88322Q108 $19.6M 1.02% 590,000 SH
26 ASTRANA HEALTH INC ASTH 03763A207 $17.2M 0.90% 700,000 SH
27 SAREPTA THERAPEUTICS INC SRPT 803607100 $16.3M 0.85% 750,000 SH
28 BARRICK MNG CORP B 06849F108 $16.3M 0.85% 400,000 SH
29 WESTERN ALLIANCE BANCORP WAL 957638109 $15.9M 0.83% 225,000 SH
30 IONQ INC Put IONQ 46222L108 $15.3M 0.80% 531,700 SH
31 KNOT OFFSHORE PARTNERS LP KNOP Y48125101 $14.9M 0.78% 1,480,000 SH
32 ARIS MINING CORPORATION ARIS 04040Y109 $14.9M 0.78% 800,000 SH
33 ELI LILLY & CO LLY 532457108 $13.8M 0.72% 15,000 SH
34 LENNAR CORP Put LEN 526057104 $13.0M 0.68% 150,000 SH
35 ELEVANCE HEALTH INC FORMERLY ELV 036752103 $11.7M 0.61% 40,000 SH
36 COUPANG INC CPNG 22266T109 $11.5M 0.60% 610,000 SH
37 SEADRILL LTD SDRL G7997W102 $11.4M 0.59% 250,000 SH
38 AMICUS THERAPEUTIC FOLD 03152W109 $11.2M 0.58% 775,000 SH
39 GENUINE PARTS CO GPC 372460105 $11.1M 0.58% 105,000 SH
40 GOSSAMER BIO INC 38341PAA0 $10.6M 0.55% 27,877,000 PRN
41 ALPHABET INC GOOGL 02079K305 $10.4M 0.54% 36,000 SH
42 APELLIS PHARMACEUTICALS INC APLS 03753U106 $10.1M 0.52% 250,000 SH
43 INSMED INC Put INSM 457669307 $9.8M 0.51% 60,000 SH
44 LENNAR CORP LEN.B 526057302 $9.7M 0.50% 115,000 SH
45 COGENT COMM HOLDINGS INC Call CCOI 19239V302 $9.4M 0.49% 500,000 SH
46 BOOKING HOLDINGS INC BKNG 09857L108 $9.3M 0.48% 2,200 SH
47 ARK ETF TR Put ARKG 00214Q302 $9.2M 0.48% 350,000 SH
48 ZEVRA THERAPEUTICS INC ZVRA 488445206 $9.1M 0.47% 975,000 SH
49 BRISTOW GROUP INC VTOL 11040G103 $8.7M 0.46% 186,000 SH
50 UNITEDHEALTH GROUP INC UNH 91324P102 $8.7M 0.45% 32,000 SH
Filing History
Period Filed AUM Holdings Accession
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