Group One Trading’s Mersana Therapeutics MRSN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$10.3K Buy
1,394
+590
+73% +$4.37K ﹤0.01% 1568
2025
Q1
$6.92K Sell
804
-1,287
-62% -$11.1K ﹤0.01% 1522
2024
Q4
$74.8K Buy
2,091
+788
+60% +$28.2K ﹤0.01% 1134
2024
Q3
$61.6K Buy
1,303
+364
+39% +$17.2K ﹤0.01% 951
2024
Q2
$47.2K Buy
+939
New +$47.2K ﹤0.01% 996
2024
Q1
Sell
-1,243
Closed -$72.1K 2695
2023
Q4
$72.1K Sell
1,243
-440
-26% -$25.5K ﹤0.01% 994
2023
Q3
$53.4K Sell
1,683
-4,729
-74% -$150K ﹤0.01% 1070
2023
Q2
$527K Buy
6,412
+6,328
+7,533% +$520K ﹤0.01% 471
2023
Q1
$8.63K Buy
+84
New +$8.63K ﹤0.01% 1343
2022
Q4
Sell
-30
Closed -$5K 2761
2022
Q3
$5K Sell
30
-51
-63% -$8.5K ﹤0.01% 1695
2022
Q2
$9K Sell
81
-644
-89% -$71.6K ﹤0.01% 1667
2022
Q1
$72K Buy
725
+672
+1,268% +$66.7K ﹤0.01% 1333
2021
Q4
$8K Sell
53
-101
-66% -$15.2K ﹤0.01% 1919
2021
Q3
$36K Buy
+154
New +$36K ﹤0.01% 1617
2021
Q2
Sell
-355
Closed -$144K 2671
2021
Q1
$144K Buy
355
+195
+122% +$79.1K ﹤0.01% 1113
2020
Q4
$107K Buy
+160
New +$107K ﹤0.01% 999
2020
Q3
Hold
0
2133
2020
Q2
Hold
0
1950