Baker Bros. Advisors’s Mersana Therapeutics MRSN Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell
2024 Q4	$1.55M	Hold
2024 Q3	$2.05M	Hold
2024 Q2	$2.18M	Hold
2024 Q1	$4.87M	Hold
2023 Q4	$2.52M	Hold
2023 Q3	$1.38M	Hold
2023 Q2	$3.57M	Sell
2023 Q1	$7.75M	Buy