Nuveen Asset Management’s Spark Therapeutics, Inc. Common Stock ONCE Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-164,745	Closed	-$16M	–	3226
2019 Q3	$16M	Buy	164,745 +5,056	+3%	+$490K	0.01%	1270
2019 Q2	$16.3M	Buy	+159,689	New	+$16.3M	0.01%	1282