Simplex 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
Sell
-137
Closed -$1K 3463
2025
Q1
$1K Buy
+137
New +$1K ﹤0.01% 2192
2024
Q4
Sell
-2,914
Closed -$137K 3451
2024
Q3
$137K Buy
2,914
+1,368
+88% +$64.3K ﹤0.01% 1000
2024
Q2
$77K Buy
1,546
+1,224
+380% +$61K ﹤0.01% 1225
2024
Q1
$36K Buy
322
+89
+38% +$9.95K ﹤0.01% 1501
2023
Q4
$13K Sell
233
-218
-48% -$12.2K ﹤0.01% 1771
2023
Q3
$14K Sell
451
-2,183
-83% -$67.8K ﹤0.01% 1567
2023
Q2
$216K Buy
2,634
+812
+45% +$66.6K ﹤0.01% 801
2023
Q1
$187K Buy
1,822
+1,698
+1,369% +$174K ﹤0.01% 813
2022
Q4
$18K Buy
124
+74
+148% +$10.7K ﹤0.01% 1641
2022
Q3
$8K Sell
50
-537
-91% -$85.9K ﹤0.01% 2068
2022
Q2
$67K Sell
587
-100
-15% -$11.4K ﹤0.01% 1291
2022
Q1
$68K Buy
+687
New +$68K ﹤0.01% 1581
2021
Q4
Sell
-7
Closed -$2K 3785
2021
Q3
$2K Sell
7
-4
-36% -$1.14K ﹤0.01% 2639
2021
Q2
$3K Sell
11
-30
-73% -$8.18K ﹤0.01% 2642
2021
Q1
$16K Sell
41
-45
-52% -$17.6K ﹤0.01% 2051
2020
Q4
$57K Buy
+86
New +$57K ﹤0.01% 1493
2020
Q3
Sell
-71
Closed -$41K 2796
2020
Q2
$41K Buy
+71
New +$41K ﹤0.01% 1288