Fidelity Investments’s Mersana Therapeutics MRSN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
Sell
-8
Closed -$231 5520
2025
Q4
$231 Sell
8
-4,856
-100% -$92.2K ﹤0.01% 5204
2025
Q3
$37.7K Sell
4,864
-677
-12% -$5.08K ﹤0.01% 4096
2025
Q2
$41K Sell
5,541
-1,302
-19% -$11.4K ﹤0.01% 3988
2025
Q1
$58.9K Sell
6,843
-5,130
-43% -$79.2K ﹤0.01% 3786
2024
Q4
$428K Buy
11,973
+863
+8% +$44.6K ﹤0.01% 2990
2024
Q3
$525K Buy
11,110
+1,294
+13% +$57.1K ﹤0.01% 2832
2024
Q2
$493K Sell
9,816
-3,208
-25% -$232K ﹤0.01% 2737
2024
Q1
$1.46M Sell
13,024
-8,401
-39% -$835K ﹤0.01% 2409
2023
Q4
$1.24M Sell
21,425
-1,767
-8% -$71.1K ﹤0.01% 2409
2023
Q3
$736K Sell
23,192
-35,988
-61% -$1.71M ﹤0.01% 2531
2023
Q2
$4.87M Buy
59,180
+54,227
+1,095% +$7.93M ﹤0.01% 2074
2023
Q1
$509K Buy
4,953
+18
+0.4% +$2.53K ﹤0.01% 2690
2022
Q4
$723K Sell
4,935
-3,694
-43% -$624K ﹤0.01% 2618
2022
Q3
$1.46M Buy
8,629
+3,694
+75% +$600K ﹤0.01% 2514
2022
Q2
$570K Sell
4,935
-133
-3% -$12.5K ﹤0.01% 2803
2022
Q1
$505K Buy
5,068
+201
+4% +$23.5K ﹤0.01% 2986
2021
Q4
$757K Sell
4,867
-4,654
-49% -$905K ﹤0.01% 2721
2021
Q3
$2.25M Sell
9,521
-5,680
-37% -$1.66M ﹤0.01% 2540
2021
Q2
$5.16M Sell
15,201
-13,956
-48% -$5.28M ﹤0.01% 2327
2021
Q1
$11.8M Sell
29,157
-10,253
-26% -$4.97M ﹤0.01% 1979
2020
Q4
$26.2M Buy
39,410
+4,277
+12% +$2.38M ﹤0.01% 1592
2020
Q3
$16.4M Sell
35,133
-7,459
-18% -$3.77M ﹤0.01% 1645
2020
Q2
$24.9M Buy
42,592
+37,735
+777% +$12.9M ﹤0.01% 1460
2020
Q1
$708K Sell
4,857
-5,396
-53% -$943K ﹤0.01% 2382
2019
Q4
$1.47M Sell
10,253
-36
-0.3% -$2.63K ﹤0.01% 2331
2019
Q3
$406K Buy
10,289
+18
+0.2% +$1.31K ﹤0.01% 2548
2019
Q2
$1.04M Buy
10,271
+18
+0.2% +$2.12K ﹤0.01% 2447
2019
Q1
$1.35M Hold
10,253
﹤0.01% 2386
2018
Q4
$1.04M Hold
10,253
﹤0.01% 2394
2018
Q3
$2.56M Hold
10,253
﹤0.01% 2320
2018
Q2
$4.58M Sell
10,253
-5
-0% -$2.19K ﹤0.01% 2169
2018
Q1
$4.04M Sell
10,258
-398
-4% -$157K ﹤0.01% 2229
2017
Q4
$4.38M Sell
10,656
-58,746
-85% -$25.6M ﹤0.01% 2197
2017
Q3
$30M Hold
69,402
﹤0.01% 1545
2017
Q2
$23.9M Buy
+69,402
New +$24M ﹤0.01% 1605

Other funds holding MRSN