Ken Griffin’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
Hold
0
6554
2025
Q1
Sell
-16,854
Closed -$603K 6590
2024
Q4
$603K Sell
16,854
-159,608
-90% -$5.71M ﹤0.01% 3809
2024
Q3
$8.34M Buy
176,462
+66,718
+61% +$3.15M ﹤0.01% 1397
2024
Q2
$5.51M Sell
109,744
-28,615
-21% -$1.44M ﹤0.01% 1615
2024
Q1
$15.5M Buy
138,359
+61,282
+80% +$6.86M ﹤0.01% 1024
2023
Q4
$4.47M Buy
77,077
+12,488
+19% +$724K ﹤0.01% 1727
2023
Q3
$2.05M Buy
64,589
+64,586
+2,152,867% +$2.05M ﹤0.01% 2361
2023
Q2
$250 Sell
3
-4,503
-100% -$375K ﹤0.01% 5694
2023
Q1
$463K Sell
4,506
-20,517
-82% -$2.11M ﹤0.01% 3928
2022
Q4
$3.67M Buy
25,023
+17,947
+254% +$2.63M ﹤0.01% 2071
2022
Q3
$1.2M Sell
7,076
-6,981
-50% -$1.18M ﹤0.01% 3235
2022
Q2
$1.62M Sell
14,057
-13,411
-49% -$1.55M ﹤0.01% 2942
2022
Q1
$2.74M Buy
27,468
+15,128
+123% +$1.51M ﹤0.01% 2668
2021
Q4
$1.92M Buy
12,340
+10,466
+558% +$1.63M ﹤0.01% 3112
2021
Q3
$442K Sell
1,874
-21,691
-92% -$5.12M ﹤0.01% 4662
2021
Q2
$8M Buy
23,565
+2,029
+9% +$689K ﹤0.01% 1647
2021
Q1
$8.71M Sell
21,536
-56,665
-72% -$22.9M ﹤0.01% 1546
2020
Q4
$52M Buy
78,201
+61,473
+367% +$40.9M 0.01% 417
2020
Q3
$7.79M Sell
16,728
-7,200
-30% -$3.35M ﹤0.01% 1257
2020
Q2
$14M Buy
23,928
+5,481
+30% +$3.21M 0.01% 917
2020
Q1
$2.69M Buy
18,447
+9,643
+110% +$1.41M ﹤0.01% 1956
2019
Q4
$1.26M Buy
8,804
+5,077
+136% +$727K ﹤0.01% 2784
2019
Q3
$147K Buy
3,727
+502
+16% +$19.8K ﹤0.01% 4192
2019
Q2
$326K Buy
3,225
+1,363
+73% +$138K ﹤0.01% 3818
2019
Q1
$245K Sell
1,862
-100
-5% -$13.2K ﹤0.01% 3847
2018
Q4
$200K Buy
+1,962
New +$200K ﹤0.01% 3853
2017
Q3
Sell
-513
Closed -$179K 3941
2017
Q2
$179K Buy
+513
New +$179K ﹤0.01% 3192