Driehaus Capital Management’s Atmus Filtration Technologies ATMU Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-397,909	Closed	-$14.6M	–	422
2025 Q1	$14.6M	Sell	397,909 -1,478	-0.4%	-$54.3K	0.14%	197
2024 Q4	$15.6M	Sell	399,387 -229,548	-36%	-$8.99M	0.13%	198
2024 Q3	$23.6M	Buy	+628,935	New	+$23.6M	0.2%	151