Essex Investment 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
2017
Q4
Sell
-5,298
Closed -$472K 400
2017
Q3
$472K Sell
5,298
-5,536
-51% -$493K 0.06% 270
2017
Q2
$647K Buy
+10,834
New +$647K 0.09% 238
2015
Q4
Sell
-6,966
Closed -$291K 349
2015
Q3
$291K Hold
6,966
0.05% 270
2015
Q2
$420K Buy
+6,966
New +$420K 0.06% 242