Foresite Capital Management IV, LLC Diversified Active

Name: Foresite Capital Management IV, LLC Q4 2025 13F Filing | 13F Explorer
Creator: Foresite Capital Management IV, LLC
Published: 2026-02-17

Location: West Hollywood, CA

CIK: 0001704132 · Show all filings

Period: Q4 2025 (← Previous) (Next →)

Filing Date: Feb 17, 2026

Total Value: $230M (100.0% shares, 0.0% debt)

Holdings (7)

PHVS Pharvaris N.V. 57.7%

Value $133M Shares 4,778,581 Est. Cost $26.89 Unrealized -10.4%

CYTK CYTOKINETICS INC 12.7%

Value $29.12M Shares 458,295 Est. Cost $41.20 Unrealized +51.0%

LYEL Lyell Immunopharma, Inc. 10.7%

Value $24.64M Shares 800,399 Est. Cost $9.11 Unrealized +145.6%

MAZE Maze Therapeutics, Inc. 9.4%

Value $21.65M Shares 522,657 Est. Cost $12.04 Unrealized +185.5%

RLAY Relay Therapeutics, Inc. 3.7%

Value $8.46M Shares 1,000,000 Est. Cost $7.47 Unrealized -4.5%

XENE Xenon Pharmaceuticals Inc. 3.1%

Value $7.171M Shares 160,000 Est. Cost $32.62 Unrealized +28.8%

ALEC Alector, Inc. 2.6%

Value $6.064M Shares 3,887,200 Est. Cost $1.77 Unrealized 0.0%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
PHVS	Pharvaris N.V.	4,778,581	$133M	57.7%	$26.89	-10.4%	COM	N69605108
CYTK	CYTOKINETICS INC	458,295	$29.12M	12.7%	$41.20	+51.0%	COM	23282W605
LYEL	Lyell Immunopharma, Inc.	800,399	$24.64M	10.7%	$9.11	+145.6%	COM	55083R203
MAZE	Maze Therapeutics, Inc.	522,657	$21.65M	9.4%	$12.04	+185.5%	COM	578784100
RLAY	Relay Therapeutics, Inc.	1,000,000	$8.46M	3.7%	$7.47	-4.5%	COM	75943R102
XENE	Xenon Pharmaceuticals Inc.	160,000	$7.171M	3.1%	$32.62	+28.8%	COM	98420N105
ALEC	Alector, Inc.	3,887,200	$6.064M	2.6%	$1.77	0.0%	COM	014442107