Spark Investment Management’s iRhythm Technologies IRTC Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2017 Q3	–	Sell	-12,400	Closed	-$526K	–	756
2017 Q2	$526K	Sell	12,400 -23,100	-65%	-$980K	0.03%	498
2017 Q1	$1.33M	Buy	35,500 +14,700	+71%	+$552K	0.08%	349
2016 Q4	$624K	Buy	+20,800	New	+$624K	0.05%	434