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Super Investors / 683 Capital Management, LLC
6C

683 Capital Management, LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$2.04B
Positions
153
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (53 quarters reported)

$2.89B $228M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$299M in Q2 2013 → $2.04B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Palantir Technologies Inc Put 13.9% Added 4.3% 2,428,700 $283M
Eli Lilly & Co Put 9.1% Added 15% 154,000 $185M
Nvidia Corporation Put 4.5% Unchanged 456,000 $91.2M
SS SPDR Series Trust Put 4.2% New 540,000 $85.5M
CO Capital One Finl Corp 3.6% Trimmed 2.7% 365,000 $73.2M
Abbvie Inc Put 3.0% New 245,000 $61.7M
Carvana Co 2.4% Added 384% 750,000 $49.4M
Madrigal Pharmaceuticals Inc Put 2.4% Unchanged 90,000 $48.3M
Anaptysbio Inc 2.2% Added 5.6% 660,000 $44.6M
KK Kaspi Kz Jsc 2.0% Trimmed 1.1% 470,000 $40.7M
Bridgebio Pharma Inc 1.9% Unchanged 21,750,000 $38.8M
BD Becton Dickinson & Co 1.9% Added 11% 250,000 $37.8M
Molina Healthcare Inc 1.9% Added 3.1% 165,000 $37.7M
PP Praxis Precision Medicines I Put 1.8% Trimmed 2.0% 110,400 $37M
Hilton Grand Vacations Inc 1.8% Trimmed 11% 690,000 $36.1M
Protagonist Therapeutics Inc 1.7% Trimmed 18% 290,000 $35.5M
Alnylam Pharmaceuticals Inc Put 1.6% Trimmed 16% 107,500 $32.4M
AE Ark ETF Tr Put 1.5% Added 114% 750,000 $31.5M
MH Meiragtx Hldgs PLC 1.5% Trimmed 6.1% 2,300,000 $31.1M
Wave Life Sciences Ltd 1.4% Added 1.0% 4,950,000 $28.8M
Uniqure Nv 1.3% Added 15% 575,000 $26.5M
Ionq Inc Put 1.3% Trimmed 8.5% 486,700 $25.9M
Amylyx Pharmaceuticals Inc 1.1% Trimmed 16% 1,279,512 $23M
Amentum Holdings Inc 1.1% Added 42% 1,100,000 $22.7M
Tg Therapeutics Inc 1.0% Trimmed 34% 389,081 $21.4M
Phathom Pharmaceuticals Inc 1.0% Unchanged 1,850,000 $20.1M
Unity Software Inc 0.9% New 615,000 $17.6M
WA Western Alliance Bancorp 0.8% Trimmed 11% 200,000 $16.4M
Iamgold Corp 0.8% Trimmed 3.8% 1,010,000 $16M
EH Elevance Health Inc Formerly 0.8% Unchanged 40,000 $15.5M
First Tracks Biotherapeutics 0.7% New 750,000 $15.1M
Knot Offshore Partners LP 0.7% Added 1.7% 1,505,000 $15M
Uniqure Nv Call 0.7% Trimmed 75% 316,200 $14.6M
Sarepta Therapeutics Inc 0.7% Added 4.3% 782,500 $14.1M
Unitedhealth Group Inc 0.7% Unchanged 32,000 $13.3M
S Sea Ltd 0.6% New 135,000 $12.9M
Alphabet Inc 0.6% Trimmed 2.8% 35,000 $12.5M
Zevra Therapeutics Inc 0.6% Trimmed 12% 855,000 $12.3M
Genuine Parts Co 0.6% Trimmed 3.8% 101,000 $11.9M
Aris Mining Corporation 0.6% Trimmed 3.8% 770,000 $11.5M
IN Inflarx Nv 0.6% Added 53% 5,065,000 $11.3M
Coupang Inc 0.6% Added 6.6% 650,000 $11.3M
Moderna Inc Put 0.5% Unchanged 156,000 $10.9M
Gxo Logistics Incorporated 0.5% Trimmed 57% 215,000 $10.9M
HB Harmony Biosciences Hldgs In 0.5% New 294,000 $10.7M
Alnylam Pharmaceuticals Inc 0.5% Added 67% 35,000 $10.5M
NH Nu Hldgs Ltd 0.5% New 750,000 $10M
Howard Hughes Holdings Inc 0.5% Added 294% 140,000 $10M
Astrana Health Inc 0.5% Trimmed 70% 210,000 $9.75M
EI Enova Intl Inc 0.5% Unchanged 40,000 $9.63M
Seadrill Ltd 0.4% Trimmed 4.0% 240,000 $9.08M
L Lennar Corp Put 0.4% Trimmed 33% 100,000 $9.05M
L Lennar Corp 0.4% Added 1900% 100,000 $9.05M
BM Barrick Mng Corp 0.4% Trimmed 40% 242,000 $8.89M
Lexeo Therapeutics Inc 0.4% Added 56% 1,875,000 $8.73M
Bristow Group Inc 0.4% Added 10% 205,000 $8.47M
IP Icon Pub Ltd Co 0.4% Trimmed 23% 48,000 $8.34M
Builders Firstsource Inc 0.4% Added 13% 90,000 $8.05M
Shattuck Labs Inc 0.4% Added 45% 1,157,216 $8.03M
Hims & Hers Health Inc Put 0.4% Unchanged 220,000 $7.63M

Showing top 60 of 153 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
SS SPDR Series Trust New +540,000 +$85.5M 4.2%
Abbvie Inc New +245,000 +$61.7M 3.0%
Uniqure Nv Trimmed −937,400 −$43.2M 0.7%
Tesla Inc Exited −110,000 −$40.9M
Carvana Co Added +595,000 +$39.2M 2.4%
Eli Lilly & Co Added +20,000 +$24M 9.1%
Astrana Health Inc Trimmed −490,000 −$22.7M 0.5%
Unity Software Inc New +615,000 +$17.6M 0.9%
AE Ark ETF Tr Added +400,000 +$16.8M 1.5%
First Tracks Biotherapeutics New +750,000 +$15.1M 0.7%

Showing the 10 largest of 208 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Tesla Inc Trimmed −100,000 −$37.2M 2.1%
Uwm Holdings Corporation Exited −7,050,518 −$30.9M
Western Digital Corp Exited −143,300 −$24.7M
BD Becton Dickinson & Co Added +135,000 +$21.2M 1.8%
PP Praxis Precision Medicines I Trimmed −57,100 −$18.4M 1.9%
Eli Lilly & Co Trimmed −20,000 −$18.4M 6.4%
CO Capital One Finl Corp Exited −75,000 −$18.2M
Astrana Health Inc New +700,000 +$17.2M 0.9%
KK Kaspi Kz Jsc Added +210,000 +$15.6M 1.8%
HB Harmony Biosciences Hldgs In Exited −415,000 −$15.5M

Showing the 10 largest of 217 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Palantir Technologies Inc Added +1,194,600 +$212M 18.0%
Nvidia Corporation New +456,000 +$85M 3.7%
Insmed Inc Exited −375,000 −$54M
PP Praxis Precision Medicines I New +169,800 +$50M 2.2%
Western Digital Corp Trimmed −195,700 −$33.7M 1.1%
UT United Therapeutics Corp Del Exited −75,200 −$31.5M
Madrigal Pharmaceuticals Inc Trimmed −53,000 −$30.9M 2.5%
Bridgebio Pharma Inc Trimmed −298,000 −$22.8M
KK Kaspi Kz Jsc New +265,000 +$20.7M 0.9%
Sandisk Corp Trimmed −82,000 −$19.5M 0.2%

Showing the 10 largest of 215 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
Palantir Technologies Inc Added +448,900 +$81.9M 10.8%
Insmed Inc Added +325,800 +$46.9M 2.8%
Tesla Inc Trimmed −77,500 −$34.5M 4.9%
Eli Lilly & Co Added +45,000 +$34.3M 6.0%
UT United Therapeutics Corp Del New +75,200 +$31.5M 1.6%
BM Barrick Mng Corp Trimmed −625,000 −$20.5M 1.3%
Uwm Holdings Corporation Added +2,600,000 +$15.8M 2.4%
Molina Healthcare Inc New +81,000 +$15.5M 0.8%
CC Cogent Communications Hldgs Added +370,000 +$14.2M 1.3%
Uniqure Nv Trimmed −215,000 −$12.5M 3.3%

Showing the 10 largest of 148 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
Insmed Inc Exited −15,428,000 −$36.4M
Alnylam Pharmaceuticals Inc Added +90,100 +$29.4M 3.0%
BM Barrick Mng Corp New +1,375,000 +$28.6M 1.9%
PM Philip Morris Intl Inc Trimmed −150,000 −$27.3M 0.1%
Palantir Technologies Inc Added +165,000 +$22.5M 6.1%
AH Alliancebernstein Hldg L P Exited −525,825 −$20.1M
Uwm Holdings Corporation New +4,800,000 +$19.9M 1.3%
Coinbase Global Inc Trimmed −50,000 −$17.5M 1.2%
Hess Corp Exited −107,295 −$17.1M
Baidu Inc Exited −177,500 −$16.3M

Showing the 10 largest of 143 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Eli Lilly & Co Trimmed −115,000 −$95M 6.6%
Tesla Inc Trimmed −230,000 −$59.6M 5.9%
Palantir Technologies Inc New +520,200 +$43.9M 3.0%
Unitedhealth Group Inc New +52,000 +$27.2M 1.9%
OP Occidental Pete Corp Exited −854,600 −$23.5M
AH Alliancebernstein Hldg L P New +525,825 +$20.1M 1.4%
CD Centene Corp Del New +265,000 +$16.1M 1.1%
Tg Therapeutics Inc Trimmed −402,000 −$15.9M 0.8%
Citigroup Inc Exited −200,000 −$14.1M
CO Capital One Finl Corp Added +75,000 +$13.4M 1.5%

Showing the 10 largest of 228 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Tesla Inc Added +308,000 +$124M 14.0%
M Microstrategy Inc New +157,400 +$45.6M 2.8%
Madrigal Pharmaceuticals Inc Added +143,000 +$44.1M 3.0%
Western Digital Corp New +439,400 +$26.2M 1.6%
NA Novo-nordisk A S New +300,000 +$25.8M 1.6%
Eli Lilly & Co Added +30,000 +$23.2M 11.0%
Sharkninja Inc Exited −180,000 −$19.6M
Coinbase Global Inc Added +76,000 +$18.9M 1.6%
Borgwarner Inc Trimmed −525,000 −$16.7M 0.3%
Alnylam Pharmaceuticals Inc Trimmed −64,600 −$15.2M 0.9%

Showing the 10 largest of 220 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Sharkninja Inc Trimmed −420,000 −$45.7M 1.5%
Tesla Inc Trimmed −113,000 −$29.6M 5.0%
Moderna Inc Exited −242,000 −$28.7M
Borgwarner Inc Trimmed −400,000 −$14.5M 1.9%
Baidu Inc Added +135,000 +$14.2M 1.3%
AG Alibaba Group Hldg Ltd Trimmed −120,700 −$12.8M 0.4%
S Sea Ltd Exited −170,000 −$12.1M
Pdd Holdings Inc New +89,000 +$12M 0.9%
Insmed Inc Added +5,000,000 +$11.4M 2.7%
Wave Life Sciences Ltd Trimmed −1,125,000 −$9.23M 2.6%

Showing the 10 largest of 115 changes.

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