Yorktown Management & Research Company’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-6,600	Closed	-$245K	–	208
2024 Q4	$245K	Buy	+6,600	New	+$245K	0.24%	194
2024 Q1	–	Sell	-5,700	Closed	-$353K	–	220
2023 Q4	$353K	Hold	5,700	–	–	0.37%	127
2023 Q3	$262K	Buy	+5,700	New	+$262K	0.29%	185