William Blair Investment Management’s Adtran ADTN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
$25.7M Sell
2025
Q2
$26M Sell
2025
Q1
$27.4M Sell
2024
Q4
$38.7M Buy
2024
Q3
$26.9M Buy
2024
Q2
$23.3M Sell
2024
Q1
$24.2M Buy
2023
Q4
$26.7M Buy
2023
Q3
$19.8M Buy
2023
Q2
$16.1M Buy
2018
Q1
Sell
2017
Q4
$19.7M Sell
2017
Q3
$24.7M Buy
2017
Q2
$17.6M Buy
2017
Q1
$13.8M Sell
2016
Q4
$14.9M Buy
2016
Q3
$12.7M Buy
2016
Q2
$11M Buy
2016
Q1
$10.4M Buy