Foresite Capital Management IV, LLC
•CIK: 1704132•Filing: Q4 2025
**Foresite Capital Management IV, LLC** manages $230M across a concentrated portfolio of seven positions. The fund exhibits a significant overweighting in **BLK**, representing $132.6M of its total assets. Further notable allocations include **CYTK** at $29.1M and **LYEL** at $24.6M. This structure indicates a focused, high-conviction approach within its current investment mandate.
Total AUM
$229.7M
QoQ Performance
+25.8%
Positions
7
Top 10 Concentration
100.0%
Latest Filing
Q4 2025
Top Holdings Allocation
Phar
CYTK
LYEL
MAZE
Pharvaris57.7%
CYTK12.7%
LYEL10.7%
MAZE9.4%
RLAY3.7%
XENE3.1%
ALEC2.6%
📈 Biggest Buys
ALEC
Alector, Inc.
NEW
2.6% of portfolio
📉 Biggest Sells
No reductions this quarter
Sector Breakdown
Other100.0%
Changes from Q3 2025
NEW1 new position
Historical Filings
Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023