Castleark Management’s Alphatec Holdings ATEC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$6.23M Buy
2024
Q2
Sell
2024
Q1
$1.55M Sell
2023
Q4
$3.08M Sell
2023
Q3
$4.88M Sell
2023
Q2
$6.84M Buy
2023
Q1
$3.66M Buy
2022
Q3
Sell
2022
Q2
$935K Buy
2021
Q4
Sell
2021
Q3
$5.02M Sell
2021
Q2
$6.97M Sell
2021
Q1
$7.36M Buy
2020
Q4
$6.14M Buy