William Blair Investment Management’s Glaukos GKOS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$89.2M Sell
2025
Q2
$117M Buy
2025
Q1
$73.4M Sell
2024
Q4
$121M Buy
2020
Q1
Sell
2019
Q4
$108M Sell
2019
Q3
$150M Sell
2019
Q2
$182M Sell
2019
Q1
$193M Buy
2018
Q4
$138M Buy
2018
Q3
$159M Sell
2018
Q2
$109M Sell
2018
Q1
$85.4M Buy
2017
Q4
$50.8M Buy
2017
Q3
$60.8M Sell
2017
Q2
$89.8M Buy
2017
Q1
$106M Buy
2016
Q4
$67.2M Buy
2016
Q3
$40.6M Buy
2016
Q2
$4.03M Buy