Rock Springs Capital Management’s Alkermes ALKS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$3.2M Buy
2017
Q3
Sell
2017
Q2
$3.01M Sell
2017
Q1
$7.31M Hold
2016
Q4
$6.95M Sell
2016
Q3
$8.61M Sell
2016
Q2
$8.41M Hold
2016
Q1
$6.65M Buy
2014
Q3
Sell
2014
Q2
$2.08M Buy
2014
Q1
$1.56M Buy
2013
Q4
$945K Buy