683 Capital Management, LLC

CIK 0001404574 · Q2 2026

13F Equity AUM

$2.0B

+5.8% QoQ

Positions

145

-84 QoQ

AUM Rank

#1,524

Top 17%

Skill Alpha (FF)

-2.0%/yr^ns

No Clear Edge

Rank #5,837 · Top 70%

vs S&P -2.4%/yr (unadj.)

Quarters Tracked

~13 years

Portfolio Concentration

Top 5: 35.4%Top 10: 47.6%Top 20: 65.7%

PLTR14.0%

LLY9.1%

NVDA4.5%

XBI4.2%

COF3.6%

ABBV3.0%

CVNA2.4%

MDGL2.4%

ANAB2.2%

ALNY2.1%

Others (135)52.4%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Healthcare45.8%

Technology23.1%

Financial Services12.0%

Consumer Cyclical7.5%

Industrials3.2%

Unclassified3.0%

Other5.5%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 145Median: 0.20%Avg: 0.69%

0–0.5%

101(15.4%)

0.5–1%

19(12.8%)

1–3%

19(33.4%)

3–5%

4(15.4%)

5%+

2(23.1%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 0Unique: 145vs 20 funds

0%Low

145

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

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Position Changes This Quarter

New19Increased31Decreased46Exited103

New Positions

XBI4.2%

+540K

ABBV3.0%

+245K

U0.9%

+615K

FIRST TRACKS BIOTHER…0.7%

+750K

SE0.6%

+135K

NU0.5%

+750K

MICC0.2%

+201K

KYMR0.2%

+30K

PRQR0.1%

+1.4M

ACP HOLDINGS ACQUISI…0.1%

+250K

Increased

GOSS0.3%

+34.2M(+684%)

CDLX 4.25 04/01/290.3%

+5.0M(+32%)

IFRX0.6%

+1.8M(+53%)

LXEO0.4%

+675K(+56%)

AIV0.3%

+650K(+45%)

CVNA2.4%

+595K(+384%)

ARKG1.6%

+400K(+114%)

CNTB0.1%

+385K(+43%)

STTK0.4%

+357K(+45%)

AMTM1.1%

+325K(+42%)

Decreased

GUTS0.0%

-5,970,520(-89%)

QURE2.0%

-862,400(-49%)

INSE0.2%

-624,916(-60%)

ASTH0.5%

-490,000(-70%)

GPK0.0%

-460,356(-89%)

GCTS/WS0.0%

-438,979(-78%)

PYXS0.1%

-436,896(-49%)

CTMX0.0%

-405,000(-95%)

PURR0.2%

-370,000(-44%)

GXO0.5%

-285,000(-57%)

Exited

-110,000

-950,300

-775,000

-27,877,000

-250,000

-115,000

-2,200

-98,000

PERCEPTIVE CAP SOLUT…

-561,923

RVMD

-50,100

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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