Baker Bros. Advisors’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 |
-43,445
| Closed | -$1.55M | – | 95 |
|
|
2024
Q4 | $1.55M | Hold |
43,445
| – | – | 0.02% | 86 |
|
|
2024
Q3 | $2.05M | Hold |
43,445
| – | – | 0.02% | 80 |
|
|
2024
Q2 | $2.18M | Hold |
43,445
| – | – | 0.03% | 79 |
|
|
2024
Q1 | $4.87M | Hold |
43,445
| – | – | 0.06% | 62 |
|
|
2023
Q4 | $2.52M | Hold |
43,445
| – | – | 0.03% | 70 |
|
|
2023
Q3 | $1.38M | Hold |
43,445
| – | – | 0.01% | 93 |
|
|
2023
Q2 | $3.57M | Sell |
43,445
-32,000
| -42% | -$2.63M | 0.02% | 83 |
|
|
2023
Q1 | $7.75M | Buy |
+75,445
| New | +$7.75M | 0.04% | 59 |
|