ATMU · Analysis updated Nov 10, 2026, 6:00 PM ET

Why is Atmus Filtration Technologies Inc. (ATMU) stock moving?

Atmus reported a Q3 2026 beat on Nov 6: net sales of $510M (up 13.9% year over year, partly from the Koch Filter acquisition) versus about $501M expected, and adjusted EPS of $0.77 versus $0.74 expected. Management raised full-year 2026 guidance to $2.010B-$2.035B in sales and $2.90-$3.05 in adjusted EPS, and adjusted free cash flow was $88M in the quarter. The board also authorized a new $300M buyback that replaces the prior program, and the quarterly dividend rose 9% to $0.06. JP Morgan kept its Overweight rating and lifted its target to $60 from $54 on Nov 9. The stock closed at $55.26 on Nov 10, up about 23% from $44.75 on Oct 22, and it has been trading near session highs. Volume rose on the results days (about 1.0M shares on Nov 6 and 983K on Nov 9, versus roughly 500-700K in late October), which supports the move. The main risks are that the stock is now close to the $60 target after a sharp run, that tariff refunds offset part of sales, and that the Chief People Officer leaves on Nov 11 with only an interim replacement named. The Nov 2 volume spike before results had no matching news in the window.

News behind the analysis

About Atmus Filtration Technologies Inc.

Industrials · Filtration products

Atmus Filtration Technologies is a Nashville-based filtration company that was spun off from Cummins in 2023. It is best known for its Fleetguard brand of filters for trucks and heavy equipment. Through its Koch Filter acquisition, it has also moved into industrial air filtration for buildings, data centers and power generation.

How it makes money

Atmus sells filters, coolants and related products. Its Power Solutions segment makes up roughly 90% of sales. This segment sells Fleetguard fuel, oil, air and other filters for on-highway and off-highway engines, both to equipment makers for new machines and to the much larger aftermarket for replacement parts. The newer Industrial Solutions segment (Koch Filter) brings in roughly 10% of sales from HVAC and industrial air filtration. The company also earns some income from joint ventures. Quarterly revenue in 2026 was roughly $480–530 million.

What usually moves ATMU

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