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Sphera Funds Management’s Mersana Therapeutics MRSN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-690,272
Closed -$987K 118
2024
Q4
$987K Buy
+690,272
New +$987K 0.18% 88
2023
Q3
Sell
-418,562
Closed -$1.38M 86
2023
Q2
$1.38M Buy
418,562
+407,941
+3,841% +$1.34M 0.22% 67
2023
Q1
$43.7K Buy
+10,621
New +$43.7K 0.01% 75
2019
Q4
Sell
-200,000
Closed -$316K 90
2019
Q3
$316K Hold
200,000
0.05% 76
2019
Q2
$810K Hold
200,000
0.11% 75
2019
Q1
$1.05M Buy
+200,000
New +$1.05M 0.1% 86