Massachusetts Financial Services’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q1	–	Sell	-170,070	Closed	-$6.66M	–	889
2018 Q4	$6.66M	Buy	170,070 +3,571	+2%	+$155K	﹤0.01%	641
2018 Q3	$9.08M	Buy	166,499 +41,241	+33%	+$2.82M	﹤0.01%	641
2018 Q2	$10.4M	Sell	125,258 -7,508	-6%	-$579K	﹤0.01%	623
2018 Q1	$8.84M	Buy	132,766 +16,656	+14%	+$962K	﹤0.01%	633
2017 Q4	$5.97M	Buy	116,110 +1,535	+1%	+$110K	﹤0.01%	655
2017 Q3	$10.2M	Buy	114,575 +696	+0.6%	+$52.8K	﹤0.01%	602
2017 Q2	$6.8M	Sell	113,879 -23	-0%	-$1.28K	﹤0.01%	653
2017 Q1	$6.08M	Sell	113,902 -172	-0.2%	-$10.2K	﹤0.01%	637
2016 Q4	$5.69M	Sell	114,074 -279	-0.2%	-$14.9K	﹤0.01%	647
2016 Q3	$6.87M	Buy	114,353 +1,951	+2%	+$112K	﹤0.01%	620
2016 Q2	$5.75M	Buy	+112,402	New	+$4.8M	﹤0.01%	635
2015 Q2	–	Sell	-28,014	Closed	-$2.17M	–	928
2015 Q1	$2.17M	Buy	+28,014	New	+$1.61M	﹤0.01%	738