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

Ionic Capital Management’s Portfolio ATMU Stock Details ATMU Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-60,003	Closed	-$3.11M	–	168
2025 Q4	$3.11M	Sell	60,003 -8,352	-12%	-$404K	0.4%	14
2025 Q3	$3.08M	Sell	68,355 -7,000	-9%	-$294K	0.32%	15
2025 Q2	$2.74M	Hold	75,355	–	–	0.79%	17
2025 Q1	$2.77M	Sell	75,355 -13,801	-15%	-$545K	0.36%	13
2024 Q4	$3.49M	Sell	89,156 -21,562	-19%	-$875K	0.36%	17
2024 Q3	$4.16M	Sell	110,718 -29,722	-21%	-$970K	0.72%	25
2024 Q2	$4.04M	Buy	140,440 +92,207	+191%	+$2.8M	0.69%	30
2024 Q1	$1.56M	Buy	+48,233	New	+$1.15M	0.5%	40

Other funds holding ATMU

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Ionic Capital Management's ATMU Position: Q1 2026 in Review

Ionic Capital Management sold out of Atmus Filtration Technologies (ATMU) in Q1 2026, closing a stake of 60,003 shares — an estimated $3.11M sold.

Ionic Capital Management first reported a position in ATMU in Q1 2024 and held it in 8 quarters. The position peaked at $4.16M in Q3 2024. 351 funds tracked by Wall St. Rank hold ATMU as of Q1 2026.

Ionic Capital Management reported no remaining Atmus Filtration Technologies position as of Q1 2026 after selling out during the quarter.
Ionic Capital Management sold 60,003 Atmus Filtration Technologies shares in Q1 2026, an estimated $3.11M.
Ionic Capital Management first reported a position in Atmus Filtration Technologies in Q1 2024 and held it in 8 quarters.
Ionic Capital Management's Atmus Filtration Technologies position peaked at $4.16M in Q3 2024.
351 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q1 2026.

Based on Ionic Capital Management's 13F filing for Q1 2026, filed 15 May 2026.