Rock Springs Capital Management’s Regeneron Pharmaceuticals REGN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$6.35M Hold
2025
Q2
$5.93M Buy
2025
Q1
$1.78M Buy
2017
Q4
Sell
2017
Q3
$7.15M Hold
2017
Q2
$7.86M Buy
2017
Q1
$5.85M Sell
2016
Q4
$7.16M Buy
2016
Q3
$6.83M Hold
2016
Q2
$5.94M Buy
2016
Q1
$5.95M Buy
2015
Q4
$5.97M Hold
2015
Q3
$5.12M Hold
2015
Q2
$5.61M Buy
2015
Q1
$4.51M Buy
2014
Q4
$3.69M Buy
2014
Q3
Sell
2014
Q2
$2.12M Hold
2014
Q1
$2.25M Buy