Portolan Capital Management’s AtriCure ATRC Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q1	–	Sell	-297,592	Closed	-$5.82M	–	124
2016 Q4	$5.82M	Buy	297,592 +48,174	+19%	+$943K	0.78%	49
2016 Q3	$3.95M	Buy	+249,418	New	+$3.95M	0.54%	65