Arrowstreet Capital’s Seres Therapeutics MCRB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2018 Q3	–	Sell	-728	Closed	-$125K	–	1181
2018 Q2	$125K	Sell	728 -1,836	-72%	-$315K	﹤0.01%	1027
2018 Q1	$376K	Buy	2,564 +1,859	+264%	+$273K	﹤0.01%	994
2017 Q4	$143K	Buy	+705	New	+$143K	﹤0.01%	1197