Portolan Capital Management’s Seres Therapeutics MCRB Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q1	–	Sell	-5,553	Closed	-$1.1M	–	132
2016 Q4	$1.1M	Sell	5,553 -8,795	-61%	-$1.74M	0.15%	112
2016 Q3	$3.53M	Buy	14,348 +7,654	+114%	+$1.88M	0.48%	68
2016 Q2	$3.89M	Buy	6,694 +730	+12%	+$424K	0.56%	68
2016 Q1	$3.17M	Buy	+5,964	New	+$3.17M	0.42%	82