D.E. Shaw & Co’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
Q1
Sell
-21,779
Closed -$779K 4599
2024
Q4
$779K Sell
21,779
-19,119
-47% -$989K ﹤0.01% 3357
2024
Q3
$1.93M Sell
40,898
-17,725
-30% -$782K ﹤0.01% 2740
2024
Q2
$2.95M Buy
58,623
+9,718
+20% +$703K ﹤0.01% 2275
2024
Q1
$5.48M Buy
48,905
+22,210
+83% +$2.21M 0.01% 1820
2023
Q4
$1.55M Buy
26,695
+23,984
+885% +$965K ﹤0.01% 2854
2023
Q3
$86.1K Sell
2,711
-36,719
-93% -$1.75M ﹤0.01% 3871
2023
Q2
$3.24M Sell
39,430
-32,814
-45% -$4.8M 0.01% 2231
2023
Q1
$7.42M Sell
72,244
-21,194
-23% -$2.97M 0.01% 1613
2022
Q4
$13.7M Sell
93,438
-11,531
-11% -$1.95M 0.02% 1170
2022
Q3
$17.7M Buy
104,969
+25,852
+33% +$4.2M 0.03% 936
2022
Q2
$9.14M Sell
79,117
-4,518
-5% -$425K 0.01% 1477
2022
Q1
$8.34M Buy
83,635
+57,839
+224% +$6.76M 0.01% 1776
2021
Q4
$4.01M Buy
25,796
+23,852
+1,227% +$4.64M ﹤0.01% 2635
2021
Q3
$458K Buy
1,944
+341
+21% +$99.6K ﹤0.01% 4141
2021
Q2
$544K Sell
1,603
-4,560
-74% -$1.73M ﹤0.01% 3998
2021
Q1
$2.49M Sell
6,163
-15,592
-72% -$7.56M ﹤0.01% 2405
2020
Q4
$14.5M Sell
21,755
-8,314
-28% -$4.62M 0.02% 1140
2020
Q3
$14M Sell
30,069
-10,969
-27% -$5.54M 0.02% 1022
2020
Q2
$24M Buy
41,038
+40,112
+4,332% +$13.7M 0.04% 685
2020
Q1
$135K Sell
926
-5,000
-84% -$874K ﹤0.01% 3737
2019
Q4
$848K Sell
5,926
-3,737
-39% -$273K ﹤0.01% 3088
2019
Q3
$382K Sell
9,663
-130
-1% -$9.45K ﹤0.01% 3332
2019
Q2
$991K Buy
9,793
+5,209
+114% +$614K ﹤0.01% 2681
2019
Q1
$603K Buy
+4,584
New +$577K ﹤0.01% 2899
2018
Q1
Sell
-681
Closed -$280K 3697
2017
Q4
$280K Buy
+681
New +$297K ﹤0.01% 3269

Other funds holding MRSN