Wellington Management Group’s Mersana Therapeutics MRSN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q1 | – | Sell |
-23,046
| Closed | -$824K | – | 1987 |
|
|
2024
Q4 | $824K | Sell |
23,046
-1,686
| -7% | -$60.3K | ﹤0.01% | 1734 |
|
|
2024
Q3 | $1.17M | Buy |
24,732
+3,417
| +16% | +$161K | ﹤0.01% | 1667 |
|
|
2024
Q2 | $1.07M | Sell |
21,315
-70
| -0.3% | -$3.52K | ﹤0.01% | 1649 |
|
|
2024
Q1 | $2.4M | Buy |
+21,385
| New | +$2.4M | ﹤0.01% | 1484 |
|
|
2022
Q3 | – | Sell |
-19,226
| Closed | -$2.22M | – | 2106 |
|
|
2022
Q2 | $2.22M | Hold |
19,226
| – | – | ﹤0.01% | 1518 |
|
|
2022
Q1 | $1.92M | Sell |
19,226
-181,457
| -90% | -$18.1M | ﹤0.01% | 1613 |
|
|
2021
Q4 | $31.2M | Sell |
200,683
-39,612
| -16% | -$6.16M | 0.01% | 978 |
|
|
2021
Q3 | $56.7M | Sell |
240,295
-34,798
| -13% | -$8.2M | 0.01% | 776 |
|
|
2021
Q2 | $93.4M | Buy |
275,093
+27,981
| +11% | +$9.5M | 0.02% | 651 |
|
|
2021
Q1 | $100M | Buy |
247,112
+60,989
| +33% | +$24.7M | 0.02% | 613 |
|
|
2020
Q4 | $124M | Buy |
186,123
+34,490
| +23% | +$22.9M | 0.02% | 534 |
|
|
2020
Q3 | $70.6M | Buy |
151,633
+36,188
| +31% | +$16.8M | 0.01% | 602 |
|
|
2020
Q2 | $67.5M | Buy |
115,445
+114,604
| +13,627% | +$67M | 0.02% | 615 |
|
|
2020
Q1 | $123K | Hold |
841
| – | – | ﹤0.01% | 1870 |
|
|
2019
Q4 | $121K | Sell |
841
-33,876
| -98% | -$4.87M | ﹤0.01% | 1991 |
|
|
2019
Q3 | $1.37M | Sell |
34,717
-1,361
| -4% | -$53.8K | ﹤0.01% | 1669 |
|
|
2019
Q2 | $3.65M | Sell |
36,078
-2,551
| -7% | -$258K | ﹤0.01% | 1453 |
|
|
2019
Q1 | $5.08M | Sell |
38,629
-47
| -0.1% | -$6.18K | ﹤0.01% | 1375 |
|
|
2018
Q4 | $3.94M | Sell |
38,676
-70,540
| -65% | -$7.19M | ﹤0.01% | 1448 |
|
|
2018
Q3 | $27.3M | Buy |
109,216
+299
| +0.3% | +$74.7K | 0.01% | 978 |
|
|
2018
Q2 | $48.6M | Sell |
108,917
-9,097
| -8% | -$4.06M | 0.01% | 801 |
|
|
2018
Q1 | $46.5M | Buy |
118,014
+21,281
| +22% | +$8.39M | 0.01% | 808 |
|
|
2017
Q4 | $39.7M | Buy |
96,733
+1,077
| +1% | +$442K | 0.01% | 841 |
|
|
2017
Q3 | $41.3M | Buy |
95,656
+13,762
| +17% | +$5.95M | 0.01% | 808 |
|
|
2017
Q2 | $28.3M | Buy |
+81,894
| New | +$28.3M | 0.01% | 912 |
|