David M. Knott Jr’s Mersana Therapeutics MRSN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-111,686
Closed -$438K 90
2025
Q4
$438K Buy
+111,686
New +$2.12M 0.2% 52

Other funds holding MRSN