Spark Investment Management’s Repligen RGEN Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2014 Q2	–	Sell	-63,900	Closed	-$821K	–	718
2014 Q1	$821K	Buy	63,900 +10,100	+19%	+$130K	0.13%	251
2013 Q4	$732K	Buy	53,800 +30,900	+135%	+$420K	0.13%	257
2013 Q3	$253K	Buy	+22,900	New	+$253K	0.06%	406