Campbell & Co Investment Adviser’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q2
$515K Sell
2025
Q1
$1.33M Sell
2024
Q4
$1.77M Buy
2024
Q3
Sell
2024
Q2
$347K Sell
2024
Q1
$606K Buy
2022
Q1
Sell
2021
Q4
$345K Buy
2021
Q3
$202K Buy
2021
Q2
Sell
2021
Q1
$219K Sell
2020
Q4
$314K Sell
2020
Q3
$302K Sell
2020
Q2
$430K Buy
2018
Q2
Sell
2018
Q1
$438K Buy