Ghost Tree Capital’s Mersana Therapeutics MRSN Stock Holding History

Ghost Tree Capital’s Portfolio MRSN Stock Details MRSN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2023 Q4	–	Sell	-2,450	Closed	-$77.8K	–	66
2023 Q3	$77.8K	Hold	2,450	–	–	0.04%	69
2023 Q2	$202K	Buy	+2,450	New	+$358K	0.07%	56
2021 Q3	–	Sell	-18,000	Closed	-$6.11M	–	69
2021 Q2	$6.11M	Hold	18,000	–	–	1.91%	22
2021 Q1	$7.28M	Sell	18,000 -6,000	-25%	-$2.91M	2.04%	20
2020 Q4	$16M	Sell	24,000 -18,000	-43%	-$10M	3.96%	10
2020 Q3	$19.6M	Buy	42,000 +17,000	+68%	+$8.59M	6.61%	4
2020 Q2	$14.6M	Sell	25,000 -55,000	-69%	-$18.8M	4.82%	8
2020 Q1	$11.7M	Buy	80,000 +48,000	+150%	+$8.39M	5.15%	10
2019 Q4	$4.58M	Buy	+32,000	New	+$2.34M	1.24%	37
2018 Q3	–	Sell	-24,000	Closed	-$10.7M	–	59
2018 Q2	$10.7M	Buy	24,000 +12,870	+116%	+$5.65M	3.16%	10
2018 Q1	$4.39M	Buy	+11,130	New	+$4.39M	1.17%	36

Other funds holding MRSN

EcoR1 Capital San Francisco, California $2.34B AUM 204.53% 1-Year Est. Return

VR Adviser New York $2.68B AUM 422.73% 1-Year Est. Return

Balyasny Asset Management

Balyasny Asset Management Chicago, Illinois $50.9B AUM 42.89% 1-Year Est. Return

Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Silverarc Capital Management Boston, Massachusetts $849M AUM 470.8% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Nextech Invest Zurich, Switzerland $1.42B AUM 304.47% 1-Year Est. Return

Millennium Management

Millennium Management New York $134B AUM 35.51% 1-Year Est. Return