DOSSIER · 13F-HR · Q4 2025
DEERFIELD MANAGEMENT COMPANY, L.P.
DEERFIELD COMPANY, L.P.'s family office based in San Francisco, CA — $7.8B in tracked AUM across 150 positions as of Q4 2025.
DC
DEERFIELD COMPANY, L.P.·San Francisco, CA·Family Office
CIK 0001009258 · last filed Dec 31, 2025
AI Analysis · Q4 2025 · Q4 2025
1. Portfolio Overview
Deerfield Management Company, L.P. reported a significant contraction in portfolio value for the quarter ending September 30, 2025, with total assets under management (AUM) decreasing by 29.6%, falling from $5.51 billion to $3.88 billion. This reduction is not solely attributable to market performance but indicates substantial active portfolio restructuring. The firm currently holds 92 positions, suggesting a focused strategy that balances high-conviction core holdings...
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.
Filing history
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