Y-Intercept (HK)’s Atmus Filtration Technologies ATMU Stock Holding History

Y-Intercept (HK)’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 Q3	$1.56M	Buy	+35,919	New	+$1.76M	0.03%	755
2026 Q2	–	Sell	-16,578	Closed	-$941K	–	1702
2026 Q1	$941K	Sell	16,578 -29,760	-64%	-$1.76M	0.02%	1062
2025 Q4	$2.41M	Sell	46,338 -40,713	-47%	-$1.97M	0.05%	535
2025 Q3	$3.93M	Buy	87,051 +28,721	+49%	+$1.2M	0.09%	291
2025 Q2	$2.12M	Buy	+58,330	New	+$2.08M	0.05%	580
2025 Q1	–	Sell	-20,510	Closed	-$804K	–	1187
2024 Q4	$804K	Buy	20,510 +13,532	+194%	+$549K	0.05%	520
2024 Q3	$262K	Buy	+6,978	New	+$228K	0.02%	1068

Other funds holding ATMU

Vest Financial Mclean, Virginia $9.5B AUM 22.78% 1-Year Est. Return

Louisiana State Employees Retirement System Baton Rouge, Louisiana $6.56B AUM 41.43% 1-Year Est. Return

State of Alaska Department of Revenue Juneau, Alaska $9.6B AUM 34.67% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

OpenArc Corporate Advisory Atlanta, Georgia $8.86B AUM 19.31% 1-Year Est. Return

ZWJ Investment Counsel Atlanta, Georgia $3.24B AUM 31.6% 1-Year Est. Return

Atria Investments Charlotte, North Carolina $10.3B AUM 19.62% 1-Year Est. Return

Burney Company Reston, Virginia $3.66B AUM 27.59% 1-Year Est. Return

Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return

GAMMA Investing Foster City, California $2.96B AUM 34.38% 1-Year Est. Return

Y-Intercept (HK)'s ATMU Position: Q3 2026 in Review

Y-Intercept (HK) opened a new position in Atmus Filtration Technologies (ATMU) in Q3 2026: 35,919 shares worth $1.56M. The stake represents 0.03% of the portfolio and ranks #755 among its holdings. This is a return to the name: Y-Intercept (HK) previously reported a position in ATMU as recently as Q1 2026.

Y-Intercept (HK) first reported a position in ATMU in Q3 2024 and has held it in 7 quarters since. The position peaked at $3.93M in Q3 2025. 41 funds tracked by Wall St. Rank hold ATMU as of Q3 2026.

Y-Intercept (HK) held 35,919 shares of Atmus Filtration Technologies worth $1.56M as of Q3 2026.
Atmus Filtration Technologies was a new Y-Intercept (HK) position in Q3 2026.
Atmus Filtration Technologies made up 0.03% of Y-Intercept (HK)'s portfolio in Q3 2026, its #755 holding.
Y-Intercept (HK) first reported a position in Atmus Filtration Technologies in Q3 2024 and has held it in 7 quarters since.
Y-Intercept (HK)'s Atmus Filtration Technologies position peaked at $3.93M in Q3 2025.
41 funds tracked by Wall St. Rank held Atmus Filtration Technologies as of Q3 2026.

Based on Y-Intercept (HK)'s 13F filing for Q3 2026, filed 16 Oct 2026.