O'Shaughnessy Asset Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

O'Shaughnessy Asset Management’s Portfolio AMPH Stock Details AMPH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	$1.84M	Buy
2025 Q2	$925K	Buy
2024 Q1	–	Sell
2023 Q4	$262K	Buy
2020 Q1	–	Sell
2019 Q4	$3K	Buy