683 Capital Management, LLC 13F Portfolio

CIK 1404574 Filing since Q1 2014 Q2 2026 filed Aug 14, 2026
Holdings as of Jun 30, 2026, from the 13F filed Aug 14, 2026.

Portfolio Snapshot

106 positions · Q2 2026

683 Capital Management, LLC reported 106 positions worth $1.02B for the quarter ended Jun 30, 2026, up 5.7% on the prior quarter. It opened 14 new positions, added to 26, trimmed 37 and exited 88. Its largest holding is Capital One Financial Corp at 7.2% of the portfolio.

Portfolio Value
$1.02B
+5.7% QoQ · +13.3% YoY
Positions
106
14 new · 88 sold out
Top 10 Concentration
40.8%
of portfolio value
Largest Position
COF 7.2%
Capital One Financial Corp
Net Buying
-$77.74M
$151.58M bought · $229.32M sold
Turnover
15.3%
of the portfolio traded
Top Sector
Healthcare
48.2% of value
Track Record
50
quarters on file since Q1 2014

Portfolio Value & Positions

Value Positions

Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.

Sector Allocation

11 sectors
48.2%
Healthcare
Healthcare48.2%
Financial Services18.2%
Consumer Discretionary12.98%
Industrials7.68%
Technology5.69%
Basic Materials3.05%
Real Estate1.6%
Energy1.53%
Communication Services0.668%
Other0.346%
Consumer Staples0.055%

Quarterly Buying & Selling

Bought Sold

Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.

Position Changes

How many positions were opened, added to, trimmed or closed each quarter.

Sector Allocation Over Time

Share of reported value in each sector at every quarter end.

HealthcareFinancial ServicesConsumer DiscretionaryIndustrialsTechnologyBasic MaterialsReal EstateEnergyCommunication ServicesOtherConsumer StaplesUtilities

Largest Buys

Q2 2026
Holding Change Change % Trade Value Weight
U Unity Software Inc. +615.0K – $17.58M 1.73%
TRAX First Tracks Biotherapeutics, Inc. +750.0K – $15.09M 1.48%
SE Sea Ltd +135.0K – $12.94M 1.27%
HRMY Harmony Biosciences Holdings, Inc. +294.0K – $10.70M 1.05%
NU Nu Holdings Ltd. +750.0K – $10.02M 0.985%
LEN Lennar Corp +95.0K +1,900.0% $8.60M 0.89%
HHH Howard Hughes Holdings Inc. +104.5K +294.4% $7.47M 0.984%
AMTM Amentum Holdings, Inc. +325.0K +41.9% $6.72M 2.24%
GOSS Gossamer Bio, Inc. +427.5K +684.0% $5.63M 0.634%
ALNY Alnylam Pharmaceuticals, Inc. +14.0K +66.7% $4.21M 1.04%

Largest Sells

Q2 2026
Holding Change Change % Trade Value Weight
ASTH Astrana Health, Inc. -490.0K -70.0% $22.74M 0.958%
GXO GXO Logistics, Inc. -285.0K -57.0% $14.45M 1.07%
LLY ELI LILLY & Co -15.0K -100.0% $13.80M Exited
TGTX Tg Therapeutics, Inc. -200.9K -34.1% $11.04M 2.1%
LEN-B Lennar Corp -115.0K -100.0% $9.67M Exited
BKNG Booking Holdings Inc. -55.0K -100.0% $9.26M Exited
CCOI Cogent Communications Holdings, Inc. -450.3K -100.0% $8.48M Exited
PTGX Protagonist Therapeutics, Inc -65.0K -18.3% $7.97M 3.49%
GSAT Globalstar, Inc. -98.0K -100.0% $6.51M Exited
B Barrick Mining Corp -158.0K -39.5% $5.80M 0.874%

New Positions

Q2 2026
Holding Shares Trade Value Weight
U Unity Software Inc. +615.0K $17.58M 1.73%
TRAX First Tracks Biotherapeutics, Inc. +750.0K $15.09M 1.48%
SE Sea Ltd +135.0K $12.94M 1.27%
HRMY Harmony Biosciences Holdings, Inc. +294.0K $10.70M 1.05%
NU Nu Holdings Ltd. +750.0K $10.02M 0.985%
MICC Magnum Ice Cream Co N.V. +201.0K $3.50M 0.344%
PRQR ProQR Therapeutics N.V. +1.39M $2.59M 0.255%
ACGC ACP Holdings Acquisition Corp. +250.0K $2.49M 0.244%
INSM INSMED Inc +20.0K $2.13M 0.21%
OCTV Octave Intelligence plc +125.0K $2.04M 0.2%

Closed Positions

Q2 2026
Holding Shares Sold Trade Value Prior Weight
LLY ELI LILLY & Co -15.0K $13.80M 1.43%
LEN-B Lennar Corp -115.0K $9.67M 1%
BKNG Booking Holdings Inc. -55.0K $9.26M 0.962%
CCOI Cogent Communications Holdings, Inc. -450.3K $8.48M 0.881%
GSAT Globalstar, Inc. -98.0K $6.51M 0.676%
VKTX Viking Therapeutics, Inc. -130.0K $4.23M 0.439%
CZR Caesars Entertainment, Inc. -150.0K $3.96M 0.412%
ABEO Abeona Therapeutics Inc. -770.0K $3.45M 0.358%
RXO RXO, Inc. -180.0K $2.63M 0.273%
NTGR Netgear, Inc. -100.0K $2.18M 0.227%
Holdings · Q2 2026

106 Positions

As ofJun 30, 2026
Value$1.02B
Top 1040.8%
Avg position$9.60M
# Activity
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Showing 1–15 of 106 positions 13F filings on SEC EDGAR

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About 683 Capital Management, LLC’s 13F Portfolio

What are 683 Capital Management, LLC’s largest holdings?

As of its Q2 2026 13F filing, 683 Capital Management, LLC’s five largest positions were Capital One Financial Corp (COF) at 7.2%, Carvana Co. (CVNA) at 4.9%, Anaptysbio, Inc (ANAB) at 4.4%, Joint Stock Co Kaspi.kz (KSPI) at 4.0%, Becton Dickinson & Co (BDX) at 3.7% of the reported portfolio.

How much is 683 Capital Management, LLC’s portfolio worth?

683 Capital Management, LLC reported a 13F portfolio worth $1.02B across 106 positions for Q2 2026. That is up 5.7% from the previous quarter.

What did 683 Capital Management, LLC buy in Q2 2026?

Its largest purchases by value were Unity Software Inc. ($17.58M), First Tracks Biotherapeutics, Inc. ($15.09M), Sea Ltd ($12.94M). It opened 14 new positions.

What did 683 Capital Management, LLC sell in Q2 2026?

Its largest sales by value were Astrana Health, Inc. ($22.74M), GXO Logistics, Inc. ($14.45M), ELI LILLY & Co ($13.80M). It exited 88 positions entirely.

Where does this data come from?

From the Form 13F-HR reports 683 Capital Management, LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.

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by reported 13F value

13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.