SCM
MRSN icon

Sarissa Capital Management’s Mersana Therapeutics MRSN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2023
Q4
Sell
-550,000
Closed -$699K 11
2023
Q3
$699K Sell
550,000
-2,082,900
-79% -$2.65M 0.09% 10
2023
Q2
$8.66M Sell
2,632,900
-1,167,100
-31% -$3.84M 0.86% 7
2023
Q1
$15.6M Sell
3,800,000
-197,010
-5% -$810K 2% 6
2022
Q4
$23.4M Hold
3,997,010
2.79% 6
2022
Q3
$27M Sell
3,997,010
-302,287
-7% -$2.04M 3.05% 6
2022
Q2
$19.9M Hold
4,299,297
2% 7
2022
Q1
$17.2M Hold
4,299,297
1.62% 8
2021
Q4
$26.7M Hold
4,299,297
2.31% 8
2021
Q3
$40.5M Buy
4,299,297
+293,697
+7% +$2.77M 3.18% 8
2021
Q2
$54.4M Hold
4,005,600
4.33% 8
2021
Q1
$64.8M Buy
4,005,600
+1,078,600
+37% +$17.5M 6.21% 8
2020
Q4
$77.9M Buy
2,927,000
+90,000
+3% +$2.39M 7.95% 7
2020
Q3
$52.8M Buy
2,837,000
+267,000
+10% +$4.97M 6.22% 7
2020
Q2
$60.1M Sell
2,570,000
-1,180,000
-31% -$27.6M 6.69% 7
2020
Q1
$21.9M Hold
3,750,000
2.79% 8
2019
Q4
$21.5M Hold
3,750,000
1.78% 10
2019
Q3
$5.93M Hold
3,750,000
0.74% 9
2019
Q2
$15.2M Hold
3,750,000
1.89% 9
2019
Q1
$19.7M Buy
+3,750,000
New +$19.7M 2.97% 8