DOSSIER · 13F-HR · Q4 2025

683 Capital Management, LLC

683's holding co. based in Boston, MA $2.3B in tracked AUM across 234 positions as of Q4 2025.

6
683·Boston, MA·Holding Co.
CIK 0001404574 · last filed Dec 31, 2025
Total AUM
$2.3B
1.8%
vs prior
Holdings
234
positions
Whale Score
58
58
tracked
Activity
no data
changes this Q
Top sector
Tech
41% weight
concentration
AI Analysis · Q4 2025 · Q4 2025
Comprehensive Analysis of 683 Capital Management LLC 13F Filing
1. Portfolio Overview

For the reporting period ending September 30, 2025, 683 Capital Management managed a portfolio valued at approximately $1.20 billion spread across 96 holdings. This represents a significant decrease in portfolio value of -21.2% compared to the previous quarter's value of $1.52 billion.

The firm demonstrates an active management style with substantial turnover during the quarter. The filing re...

Quarter at a glance — Q4 2025

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q4 2025.

#HoldingValueSharesWeight
01
PLTR
PALANTIR TECHNOLOGIES INC
$414M2.3M18.0%
02
LLY
ELI LILLY & CO
$166M154K7.2%
03
COF
CAPITAL ONE FINL CORP
$99M410K4.3%
04
TSLA
TESLA INC
$94M210K4.1%
05
NVDA
NVIDIA CORPORATION
$85M456K3.7%
06
Y95308105
WAVE LIFE SCIENCES LTD
$68M4.0M3.0%
07
CVNA
CARVANA CO
$63M150K2.8%
08
MDGL
MADRIGAL PHARMACEUTICALS INC
$58M99K2.5%
09
ALNY
ALNYLAM PHARMACEUTICALS INC
$58M145K2.5%
10
PRAX
PRAXIS PRECISION MEDICINES I
$50M170K2.2%

Filing history

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