Baker Bros. Advisors’s LB Pharmaceuticals LBRX Stock Holding History

Baker Bros. Advisors’s Portfolio LBRX Stock Details LBRX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$4.93M	Hold	200,000	–	–	0.03%	77
2025 Q4	$4.45M	Hold	200,000	–	–	0.03%	75
2025 Q3	$3.16M	Buy	+200,000	New	+$3.17M	0.02%	77

Other funds holding LBRX

Deep Track Capital Greenwich, Connecticut $4.85B AUM 144% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Commodore Capital New York $1.73B AUM 298.96% 1-Year Est. Return

Caligan Partners New York $1.41B AUM 518.95% 1-Year Est. Return

Spruce Street Capital New York $416M AUM

JP Morgan Chase

JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return

Trails Edge Capital Partners Atlanta, Georgia $425M AUM

Nantahala Capital Management New Canaan, Connecticut $1.6B AUM 121.58% 1-Year Est. Return