Millennium Management’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 |
-63,305
| Closed | -$1.83M | – | 6201 |
|
|
2025
Q4 | $1.83M | Sell |
63,305
-14,684
| -19% | -$279K | ﹤0.01% | 4021 |
|
|
2025
Q3 | $605K | Sell |
77,989
-5,620
| -7% | -$42.2K | ﹤0.01% | 4957 |
|
|
2025
Q2 | $619K | Buy |
+83,609
| New | +$735K | ﹤0.01% | 4753 |
|
|
2025
Q1 | – | Sell |
-31,839
| Closed | -$1.14M | – | 6299 |
|
|
2024
Q4 | $1.14M | Buy |
31,839
+21,448
| +206% | +$1.11M | ﹤0.01% | 4092 |
|
|
2024
Q3 | $491K | Sell |
10,391
-17,280
| -62% | -$762K | ﹤0.01% | 4842 |
|
|
2024
Q2 | $1.39M | Sell |
27,671
-32,632
| -54% | -$2.36M | ﹤0.01% | 3848 |
|
|
2024
Q1 | $6.75M | Sell |
60,303
-75,475
| -56% | -$7.5M | 0.01% | 2558 |
|
|
2023
Q4 | $7.88M | Buy |
135,778
+48,672
| +56% | +$1.96M | 0.01% | 2397 |
|
|
2023
Q3 | $2.77M | Buy |
87,106
+12,229
| +16% | +$581K | ﹤0.01% | 3251 |
|
|
2023
Q2 | $6.16M | Buy |
74,877
+24,435
| +48% | +$3.57M | 0.01% | 2469 |
|
|
2023
Q1 | $5.18M | Sell |
50,442
-96,099
| -66% | -$13.5M | 0.01% | 2577 |
|
|
2022
Q4 | $21.5M | Sell |
146,541
-4,826
| -3% | -$816K | 0.02% | 1379 |
|
|
2022
Q3 | $25.6M | Sell |
151,367
-23,941
| -14% | -$3.89M | 0.03% | 1119 |
|
|
2022
Q2 | $20.2M | Sell |
175,308
-20,042
| -10% | -$1.88M | 0.03% | 1296 |
|
|
2022
Q1 | $19.5M | Buy |
195,350
+169,907
| +668% | +$19.8M | 0.02% | 1425 |
|
|
2021
Q4 | $3.96M | Buy |
25,443
+21,294
| +513% | +$4.14M | ﹤0.01% | 3131 |
|
|
2021
Q3 | $978K | Sell |
4,149
-8,897
| -68% | -$2.6M | ﹤0.01% | 4717 |
|
|
2021
Q2 | $4.43M | Buy |
13,046
+1,539
| +13% | +$583K | 0.01% | 2917 |
|
|
2021
Q1 | $4.66M | Buy |
+11,507
| New | +$5.58M | 0.01% | 2648 |
|
|
2020
Q4 | – | Sell |
-4,008
| Closed | -$2.23M | – | 5468 |
|
|
2020
Q3 | $1.87K | Sell |
4,008
-27,070
| -87% | -$13.7M | ﹤0.01% | 2648 |
|
|
2020
Q2 | $18.2M | Buy |
31,078
+10,546
| +51% | +$3.6M | 0.04% | 796 |
|
|
2020
Q1 | $2.99M | Sell |
20,532
-11,610
| -36% | -$2.03M | 0.01% | 1735 |
|
|
2019
Q4 | $4.6M | Buy |
32,142
+30,441
| +1,790% | +$2.23M | 0.01% | 2000 |
|
|
2019
Q3 | $67K | Sell |
1,701
-1,098
| -39% | -$79.8K | ﹤0.01% | 4014 |
|
|
2019
Q2 | $283K | Sell |
2,799
-1,030
| -27% | -$121K | ﹤0.01% | 3575 |
|
|
2019
Q1 | $503K | Buy |
3,829
+2,059
| +116% | +$259K | ﹤0.01% | 3262 |
|
|
2018
Q4 | $181K | Sell |
1,770
-13,019
| -88% | -$2.06M | ﹤0.01% | 3419 |
|
|
2018
Q3 | $3.7M | Buy |
14,789
+9,867
| +200% | +$3.31M | 0.01% | 2021 |
|
|
2018
Q2 | $2.2M | Buy |
+4,922
| New | +$2.16M | ﹤0.01% | 2329 |
|
|
2017
Q4 | – | Sell |
-2,210
| Closed | -$955K | – | 3977 |
|
|
2017
Q3 | $955K | Sell |
2,210
-231
| -9% | -$91K | ﹤0.01% | 2544 |
|
|
2017
Q2 | $853K | Buy |
+2,441
| New | +$844K | ﹤0.01% | 2528 |
|