Foresite Capital Management IV, LLC

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Foresite Capital Management IV, LLC reported 6 stock positions worth $290.2 million. Its top holding was Pharvaris (PHVS) at 57.0% of the portfolio, followed by Cytokinetics (CYTK, 21.0%) and Eikon Therapeutics (EIKN, 8.7%). Compared with Q1 2026, it opened 1 new position, sold out of 3 and added to 2. The biggest buy was Cytokinetics (CYTK, shares +42%) and the biggest sale an exit from Lyell Immunopharma (LYEL).

Most Recent 13F
Q2 2026
Location
WEST HOLLYWOOD, CA
CIK
0001704132
Portfolio Value
$290.2M (Q2 2026)
SEC Filing
0001104659-26-097103 ↗ filed Aug 14, 2026

Holdings Value

0$100.0M$200.0M$300.0M Q1 2024: $197.9M Q1 2024 Q2 2024: $148.8M Q2 2024 Q3 2024: $153.0M Q3 2024 Q4 2024: $108.8M Q4 2024 Q1 2025: $111.1M Q1 2025 Q2 2025: $123.8M Q2 2025 Q3 2025: $182.6M Q3 2025 Q4 2025: $229.7M Q4 2025 Q1 2026: $237.1M Q1 2026 Q2 2026: $290.2M $290.2M Q2 2026

Holdings 6 stocks · $290.2M

PHVS Pharvaris NV 56.95% 4,778,581 $165.2M No change
CYTK Cytokinetics Inc. 20.98% 714,695 $60.9M Add +42.0%
EIKN Eikon Therapeutics Inc. 8.74% 1,943,682 $25.4M No change
RLAY Relay Therapeutics Inc. 8.06% 1,250,000 $23.4M Add +25.0%
XENE Xenon Pharmaceuticals Inc. 3.33% 160,000 $9.7M No change
CRNX Crinetics Pharmaceuticals Inc. 1.93% 150,000 $5.6M New

Portfolio Sells Q1 2026 → Q2 2026

LYEL Lyell Immunopharma Inc. Sold out 0.00% −6.77
ALEC Alector Inc. Sold out 0.00% −3.53
MAZE Maze Therapeutics Inc. Sold out 0.00% −1.98

Portfolio Buys Q1 2026 → Q2 2026

CYTK Cytokinetics Inc. Add +42.0% 20.98% +6.99
RLAY Relay Therapeutics Inc. Add +25.0% 8.06% +3.86
CRNX Crinetics Pharmaceuticals Inc. New 1.93% +1.93

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 6$290.2MPHVS, CYTK, EIKN, RLAY, XENE
Q1 2026 8$237.1MPHVS, CYTK, EIKN, LYEL, RLAY
Q4 2025 7$229.7MPHVS, CYTK, LYEL, MAZE, RLAY
Q3 2025 6$182.6MPHVS, CYTK, MAZE, LYEL, XENE
Q2 2025 6$123.8MPHVS, MAZE, LYEL, XENE, KURA
Q1 2025 5$111.1MPHVS, MAZE, LYEL, KURA, RLAY
Q4 2024 4$108.8MPHVS, KURA, LYEL, RLAY
Q3 2024 5$153.0MPHVS, KURA, SNDX, LYEL, RLAY
Q2 2024 4$148.8MPHVS, KURA, SNDX, LYEL
Q1 2024 5$197.9MPHVS, KURA, KNTE, SNDX, LYEL