DOSSIER · 13F-HR · Q4 2025
BAKER BROS. ADVISORS LP
BAKER BROS.'s asset manager based in Boston, MA — $17.1B in tracked AUM across 86 positions as of Q4 2025.
BB
BAKER BROS.·Boston, MA·Asset Manager
CIK 0001263508 · last filed Dec 31, 2025
AI Analysis · Q4 2025 · Q4 2025
Comprehensive Analysis of Baker Bros. Advisors LP SEC 13F Filing (Q3 2025)
Portfolio Overview
Baker Bros. Advisors LP manages a concentrated portfolio valued at approximately $10.18 billion as of September 30, 2025. The fund experienced a slight contraction of -1.3% in total value compared to the previous quarter ($10.31B), amidst a period of significant portfolio turnover. The fund currently holds 67 positions, indicating a focused investment strategy rather than broad diversi...
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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