GTC
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Ghost Tree Capital’s Mersana Therapeutics MRSN Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2023
Q4
Sell
-61,250
Closed -$77.8K 55
2023
Q3
$77.8K Hold
61,250
0.03% 58
2023
Q2
$202K Buy
+61,250
New +$202K 0.07% 54
2021
Q3
Sell
-450,000
Closed -$6.11M 64
2021
Q2
$6.11M Hold
450,000
1.68% 21
2021
Q1
$7.28M Sell
450,000
-150,000
-25% -$2.43M 1.71% 18
2020
Q4
$16M Sell
600,000
-450,000
-43% -$12M 3.56% 9
2020
Q3
$19.6M Buy
1,050,000
+425,000
+68% +$7.91M 5.65% 3
2020
Q2
$14.6M Sell
625,000
-1,375,000
-69% -$32.2M 3.86% 6
2020
Q1
$11.7M Buy
2,000,000
+1,200,000
+150% +$7M 3.09% 6
2019
Q4
$4.58M Buy
+800,000
New +$4.58M 0.87% 30
2018
Q3
Sell
-600,000
Closed -$10.7M 54
2018
Q2
$10.7M Buy
600,000
+321,756
+116% +$5.75M 3.15% 10
2018
Q1
$4.39M Buy
+278,244
New +$4.39M 0.89% 34