EcoR1 Capital’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
2019
Q3
$69.3M Buy
2019
Q2
$62.9M Buy
2019
Q1
$60.2M Sell
2018
Q4
$44.5M Buy
2018
Q3
$45.7M Buy
2018
Q1
Hold
2017
Q4
Hold
2016
Q4
Sell
2016
Q3
$4.12M Buy
2016
Q2
Sell
2016
Q1
$257K Buy