Laurion Capital 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
-17,800
Closed -$1.73M 932
2019
Q3
$1.73M Buy
17,800
+10,500
+144% +$1.02M 0.01% 194
2019
Q2
$747K Buy
+7,300
New +$747K 0.01% 316
2017
Q4
Sell
-388,680
Closed -$34.7M 1489
2017
Q3
$34.7M Buy
+388,680
New +$34.7M 0.15% 25
2016
Q3
Sell
-68,000
Closed -$3.48M 824
2016
Q2
$3.48M Buy
+68,000
New +$3.48M 0.05% 113