Laurion Capital Management’s Mersana Therapeutics MRSN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-2,000	Closed	-$865K	–	1259
2017 Q3	$865K	Hold	2,000	–	–	﹤0.01%	590
2017 Q2	$699K	Buy	+2,000	New	+$699K	﹤0.01%	700