Laurion Capital Management’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
Q4
Sell
-17,800
Closed -$1.73M 1358
2019
Q3
$1.73M Buy
17,800
+10,500
+144% +$1.05M 0.01% 533
2019
Q2
$747K Buy
+7,300
New +$788K 0.01% 616
2017
Q4
Sell
-388,680
Closed -$34.7M 1991
2017
Q3
$34.7M Buy
+388,680
New +$29.5M 0.15% 113
2016
Q3
Sell
-68,000
Closed -$3.48M 1179
2016
Q2
$3.48M Buy
+68,000
New +$2.91M 0.05% 324