Group One Trading’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
-189,000
Closed -$18.3M 5944
2019
Q3
$18.3M Sell
189,000
-84,200
-31% -$8.43M 0.15% 121
2019
Q2
$28M Buy
273,200
+108,600
+66% +$11.7M 0.25% 53
2019
Q1
$18.7M Buy
164,600
+84,800
+106% +$6.23M 0.21% 75
2018
Q4
$3.12M Buy
79,800
+67,100
+528% +$2.91M 0.03% 749
2018
Q3
$693K Buy
12,700
+10,200
+408% +$698K 0.01% 1990
2018
Q2
$207K Sell
2,500
-76,200
-97% -$5.88M ﹤0.01% 3029
2018
Q1
$5.24M Sell
78,700
-66,500
-46% -$3.84M 0.05% 441
2017
Q4
$7.47M Buy
145,200
+122,200
+531% +$8.78M 0.05% 439
2017
Q3
$2.05M Buy
23,000
+21,500
+1,433% +$1.63M 0.02% 1031
2017
Q2
$90K Sell
1,500
-3,800
-72% -$212K ﹤0.01% 3183
2017
Q1
$283K Sell
5,300
-1,600
-23% -$95K ﹤0.01% 2269
2016
Q4
$344K Sell
6,900
-36,600
-84% -$1.96M ﹤0.01% 2031
2016
Q3
$2.61M Buy
43,500
+22,400
+106% +$1.29M 0.03% 702
2016
Q2
$1.08M Buy
21,100
+300
+1% +$12.8K 0.01% 1213
2016
Q1
$614K Buy
20,800
+7,800
+60% +$246K 0.01% 1538
2015
Q4
$589K Sell
13,000
-115,900
-90% -$6.07M 0.01% 1693
2015
Q3
$5.38M Buy
128,900
+102,800
+394% +$5.36M 0.07% 331
2015
Q2
$1.57M Buy
26,100
+22,000
+537% +$1.45M 0.02% 894
2015
Q1
$318K Buy
+4,100
New +$236K 0.01% 1981