Mangrove Partners’s Atmus Filtration Technologies ATMU Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$74.7M	Hold	1,315,227	–	–	6.04%	2
2025 Q4	$68.3M	Sell	1,315,227 -15,326	-1%	-$742K	5.56%	3
2025 Q3	$60M	Buy	1,330,553 +230,922	+21%	+$9.69M	4.43%	4
2025 Q2	$40M	Hold	1,099,631	–	–	4.3%	6
2025 Q1	$40.4M	Hold	1,099,631	–	–	4.37%	4
2024 Q4	$43.1M	Sell	1,099,631 -82,295	-7%	-$3.34M	4.76%	2
2024 Q3	$44.4M	Sell	1,181,926 -82,774	-7%	-$2.7M	3.81%	1
2024 Q2	$36.4M	Hold	1,264,700	–	–	2.79%	7
2024 Q1	$40.8M	Buy	1,264,700 +142,484	+13%	+$3.41M	2.84%	6
2023 Q4	$26.4M	Buy	1,122,216 +456,237	+69%	+$9.78M	1.78%	17
2023 Q3	$13.9M	Buy	+665,979	New	+$15.2M	1.05%	31