Atom Investors’s Mersana Therapeutics MRSN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q1
Sell
-1,063
Closed -$38K 593
2024
Q4
$38K Buy
1,063
+77
+8% +$2.75K ﹤0.01% 475
2024
Q3
$46.6K Sell
986
-13,631
-93% -$644K ﹤0.01% 450
2024
Q2
$735K Sell
14,617
-2,952
-17% -$148K 0.07% 286
2024
Q1
$1.97M Sell
17,569
-13,417
-43% -$1.5M 0.25% 133
2023
Q4
$1.8M Buy
30,986
+19,259
+164% +$1.12M 0.32% 107
2023
Q3
$372K Buy
+11,727
New +$372K 0.08% 280
2022
Q4
Sell
-1,004
Closed -$170K 282
2022
Q3
$170K Buy
+1,004
New +$170K 0.06% 222
2021
Q1
Sell
-15,165
Closed -$10.1M 357
2020
Q4
$10.1M Buy
15,165
+941
+7% +$626K 1.02% 24
2020
Q3
$6.62M Buy
14,224
+11,538
+430% +$5.37M 0.63% 30
2020
Q2
$1.57M Buy
+2,686
New +$1.57M 0.1% 153