Walleye Trading’s Mersana Therapeutics MRSN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$9.33K Hold
2025
Q1
$10.9K Hold
2024
Q4
$45.1K Hold
2024
Q3
$59.6K Hold
2024
Q2
$63.4K Hold
2024
Q1
$141K Buy
2023
Q4
Sell
2023
Q3
$154K Buy
2023
Q2
Sell
2023
Q1
$88K Buy
2022
Q2
Sell
2022
Q1
$245K Sell
2021
Q4
$384K Buy
2021
Q3
$223K Buy
2021
Q2
$206K Buy
2019
Q4
Sell
2019
Q3
$24K Buy
2019
Q2
$54K Buy