Marshall Wace’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
Q3
Sell
-9,079
Closed -$68.1K 3226
2025
Q2
$68.1K Buy
+9,079
New +$79.8K ﹤0.01% 2575
2025
Q1
Sell
-624
Closed -$22.3K 2932
2024
Q4
$22.3K Buy
+624
New +$32.3K ﹤0.01% 2508
2024
Q3
Sell
-7,041
Closed -$354K 2819
2024
Q2
$354K Buy
7,041
+5,504
+358% +$398K ﹤0.01% 2092
2024
Q1
$172K Sell
1,537
-4,775
-76% -$475K ﹤0.01% 2256
2023
Q4
$366K Hold
6,312
﹤0.01% 1829
2023
Q3
$200K Sell
6,312
-102,140
-94% -$4.85M ﹤0.01% 1975
2023
Q2
$8.92M Buy
108,452
+8,584
+9% +$1.26M 0.02% 787
2023
Q1
$10.3M Sell
99,868
-1,091
-1% -$153K 0.03% 706
2022
Q4
$14.8M Buy
100,959
+79,820
+378% +$13.5M 0.04% 598
2022
Q3
$3.57M Buy
+21,139
New +$3.44M 0.01% 1622
2022
Q2
Sell
-1,307
Closed -$130K 3745
2022
Q1
$130K Buy
+1,307
New +$153K ﹤0.01% 3168
2021
Q4
Sell
-15,389
Closed -$3.63M 4201
2021
Q3
$3.63M Buy
15,389
+14,595
+1,838% +$4.26M 0.02% 1151
2021
Q2
$269K Sell
794
-5,290
-87% -$2M ﹤0.01% 2361
2021
Q1
$2.46M Buy
6,084
+2,120
+53% +$1.03M 0.01% 1213
2020
Q4
$2.64M Buy
+3,964
New +$2.2M 0.02% 832
2019
Q4
Sell
-4,862
Closed -$192K 1940
2019
Q3
$192K Sell
4,862
-2,033
-29% -$148K ﹤0.01% 1291
2019
Q2
$698K Buy
6,895
+5,825
+544% +$686K 0.01% 1014
2019
Q1
$141K Buy
+1,070
New +$135K ﹤0.01% 1388

Other funds holding MRSN