O'Shaughnessy Asset Management’s Atmus Filtration Technologies ATMU Stock Holding History

O'Shaughnessy Asset 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 Q2	$413K	Sell	8,094 -3,681	-31%	-$200K	﹤0.01%	1678
2026 Q1	$668K	Buy	11,775 +360	+3%	+$21.3K	﹤0.01%	1386
2025 Q4	$593K	Buy	11,415 +1,029	+10%	+$49.8K	﹤0.01%	1406
2025 Q3	$468K	Buy	10,386 +454	+5%	+$19K	﹤0.01%	1523
2025 Q2	$362K	Buy	9,932 +856	+9%	+$30.5K	﹤0.01%	1541
2025 Q1	$333K	Sell	9,076 -941	-9%	-$37.1K	﹤0.01%	1527
2024 Q4	$392K	Buy	10,017 +869	+9%	+$35.3K	﹤0.01%	1389
2024 Q3	$361K	Buy	+9,148	New	+$299K	﹤0.01%	1380

Other funds holding ATMU

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

O'Shaughnessy Asset Management's ATMU Position: Q2 2026 in Review

O'Shaughnessy Asset Management reduced its Atmus Filtration Technologies (ATMU) stake by 31% in Q2 2026, selling an estimated $200K and leaving 8,094 shares worth $413K. The position accounts for ﹤0.01% of the portfolio, ranked #1678.

O'Shaughnessy Asset Management first reported a position in ATMU in Q3 2024 and has held it in 8 quarters since. The position peaked at $668K in Q1 2026. 335 funds tracked by Wall St. Rank hold ATMU as of Q2 2026.

O'Shaughnessy Asset Management held 8,094 shares of Atmus Filtration Technologies worth $413K as of Q2 2026.
O'Shaughnessy Asset Management sold 3,681 Atmus Filtration Technologies shares in Q2 2026, an estimated $200K.
Atmus Filtration Technologies made up ﹤0.01% of O'Shaughnessy Asset Management's portfolio in Q2 2026, its #1678 holding.
O'Shaughnessy Asset Management first reported a position in Atmus Filtration Technologies in Q3 2024 and has held it in 8 quarters since.
O'Shaughnessy Asset Management's Atmus Filtration Technologies position peaked at $668K in Q1 2026.
335 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q2 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.