Atmus Filtration Technologies Inc. (NYSE: ATMU)

$48.83 ▲ +0.26 (+0.54%)

As of May 22, 2026 04:00 PM

Sector: Consumer Cyclical Industry: Auto Parts CIK: 0001921963

Market Cap 3.96 Bn

P/E 18.83

P/S 2.17

Div. Yield 0.00

ROIC (Qtr) 0.00

Total Debt (Qtr) 998.10 Mn

Revenue Growth (1y) (Qtr) 14.65

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About

Atmus Filtration Technologies Inc. designs and manufactures advanced filtration products principally under the Fleetguard brand for on highway and off highway commercial vehicles and equipment. The company serves markets that include trucks buses agriculture construction mining and power generation. Its products help lower emissions and provide superior asset protection by extending service intervals reducing maintenance costs and increasing uptime. Atmus leverages more than sixty five years of experience in filtration technology to deliver a broad...

Atmus Filtration Technologies Inc. designs and manufactures advanced filtration products principally under the Fleetguard brand for on highway and off highway commercial vehicles and equipment. The company serves markets that include trucks buses agriculture construction mining and power generation. Its products help lower emissions and provide superior asset protection by extending service intervals reducing maintenance costs and increasing uptime. Atmus leverages more than sixty five years of experience in filtration technology to deliver a broad portfolio that includes fuel filters lube filters air filters crankcase ventilation hydraulic filters coolants and other chemical treatments. The firm operates a global footprint with manufacturing facilities distribution centers and technical centers located across six continents. Founded over six decades ago the company has built its reputation on consistent innovation and a commitment to quality.

Atmus generates revenue primarily through the sale of its filtration products to original equipment manufacturers for first fit installation and to aftermarket channels for replacement and repair parts. In 2025 approximately fourteen percent of net sales came from first fit business with OEMs while about eighty six percent originated in the aftermarket. This mix creates a recurring revenue base because aftermarket demand tends to be steady over the product life cycle. The company sells its products through a variety of channels including OEM dealer networks independent distributors retail outlets and directly to large fleet customers. Core product families such as fuel lubrication air filtration and coolant systems are offered under the Fleetguard brand which is positioned as a premium line known for reliability and performance. Continued investment in research and development enables Atmus to introduce new filter media and advanced filtration systems that meet evolving emission standards.

Atmus holds a leading position in the global filtration market for on highway and off highway vehicles and equipment. It competes with large diversified players such as MANN+HUMMEL Donaldson Parker and MAHLE as well as numerous regional and niche suppliers. The company differentiates itself through its technology leadership which is supported by a research and development team of roughly three hundred fifty engineers scientists and technical specialists. Atmus maintains an extensive intellectual property portfolio with approximately one thousand two hundred worldwide patent applications and over six hundred fifty trademark registrations. Its flagship Fleetguard brand enjoys strong recognition and is backed by a competitive warranty that reinforces customer confidence. The firm’s long standing relationships with major OEMs including Cummins Daimler Deere Doosan Foton Komatsu Paccar DAF Traton Group Stellantis and Volvo provide a stable base of first fit business that fuels aftermarket demand. Additionally Atmus benefits from a vertical integration approach where it produces a significant portion of its proprietary filtration media enabling tighter control over performance and cost. The company’s international footprint includes production sites in North America Europe Asia and South America supporting localized service and reduced lead times.

Atmus serves a diverse customer base that comprises thousands of original equipment manufacturers aftermarket distributors and end users across the globe. Its largest single customer is Cummins which accounted for approximately eighteen point eight percent of net sales in 2025. Other significant OEM customers include Daimler Deere Doosan Foton Komatsu Paccar DAF the Traton Group Stellantis and Volvo. Together these top ten OEM accounts represent roughly seventy percent of total sales. In the aftermarket the company reaches consumers through a network of independent distributors retailers and truck stop chains as well as through direct relationships with large fleets mining operators and power generation firms. The firm’s global presence is reinforced by sales personnel working in more than twenty five countries and by a logistics footprint that includes eleven distribution centers and ten manufacturing facilities. This wide reach allows Atmus to maintain close proximity to its customers and to respond quickly to changing demand patterns. Customer concentration remains a notable aspect of the business with the top five customers collectively contributing close to fifty percent of annual revenue.

Investment thesis

Bull case

The acquisition of Cook Filter has created a distinct Industrial Solutions segment that is expected to contribute 155 to 165 million in revenue for 2026. This segment brings a portfolio focused on commercial and industrial HVAC, which is traditionally a high margin area. Management highlighted data center filters as a high teens growth niche, and their close relationships with the top 10 data center operators signal strong demand continuity. The combination of Atmus’s media expertise and Cook’s market access positions the company to capture a larger share of the expanding industrial filtration market.
Atmus delivered a robust fourth quarter with a 9.8 percent sales increase and maintained a 19.1 percent EBITDA margin, showing operational discipline. The company’s free cash flow rose to 158 million for the year, driven by better working capital and cost control. With 701 million of liquidity after the acquisition and a leverage ratio of 2.1 times, the firm has ample runway to pursue additional bolt‑on acquisitions. The substantial shareholder return of 78 million in 2025, including 61 million in buybacks, underscores management’s confidence in continued cash generation.
The transition to a global Atmus distribution network has given the company direct control over customer experience and aftermarket service levels. By increasing on‑shelf availability, the firm can reduce lead times and capture higher service‑part sales. This improved distribution capability also supports the expansion of independent and retail channel partners. A stronger aftermarket presence enhances recurring revenue and contributes to margin resilience during cyclical downturns.
Pricing strategy has been a key driver of growth, with a 5 percent increase in the quarter and an additional 1 percent price contribution expected in 2026. Management explicitly stated that tariff pricing will be neutral and that core pricing will remain stable in the absence of new tariff exposure. This disciplined pricing approach protects margins while allowing the firm to capture value from cost inflation. Consistent price increases are also a signal of demand strength and the company’s ability to command premium pricing.
First fit OEM markets, while currently flat, are projected to rebound in the second half of the year, with a potential 10 percent upside in the U.S. heavy and medium duty segments. The firm’s focus on technology leadership and strong OEM partnerships positions it to capture a larger share of new equipment orders. The introduction of the NanoNet N3 media provides a competitive advantage in harsh environments. Maintaining high first fit penetration is essential for long‑term growth and provides a stable platform for incremental margin expansion.

The acquisition of Cook Filter has created a distinct Industrial Solutions segment that is expected to contribute 155 to 165 million in revenue for 2026. This segment brings a portfolio focused on commercial and industrial HVAC, which is traditionally a high margin area. Management highlighted data center filters as a high teens growth niche, and their close relationships with the top 10 data center operators signal strong demand continuity. The combination of Atmus’s media expertise and Cook’s market access positions the company to capture a larger share of the expanding industrial filtration market.
Atmus delivered a robust fourth quarter with a 9.8 percent sales increase and maintained a 19.1 percent EBITDA margin, showing operational discipline. The company’s free cash flow rose to 158 million for the year, driven by better working capital and cost control. With 701 million of liquidity after the acquisition and a leverage ratio of 2.1 times, the firm has ample runway to pursue additional bolt‑on acquisitions. The substantial shareholder return of 78 million in 2025, including 61 million in buybacks, underscores management’s confidence in continued cash generation.
The transition to a global Atmus distribution network has given the company direct control over customer experience and aftermarket service levels. By increasing on‑shelf availability, the firm can reduce lead times and capture higher service‑part sales. This improved distribution capability also supports the expansion of independent and retail channel partners. A stronger aftermarket presence enhances recurring revenue and contributes to margin resilience during cyclical downturns.
Pricing strategy has been a key driver of growth, with a 5 percent increase in the quarter and an additional 1 percent price contribution expected in 2026. Management explicitly stated that tariff pricing will be neutral and that core pricing will remain stable in the absence of new tariff exposure. This disciplined pricing approach protects margins while allowing the firm to capture value from cost inflation. Consistent price increases are also a signal of demand strength and the company’s ability to command premium pricing.
First fit OEM markets, while currently flat, are projected to rebound in the second half of the year, with a potential 10 percent upside in the U.S. heavy and medium duty segments. The firm’s focus on technology leadership and strong OEM partnerships positions it to capture a larger share of new equipment orders. The introduction of the NanoNet N3 media provides a competitive advantage in harsh environments. Maintaining high first fit penetration is essential for long‑term growth and provides a stable platform for incremental margin expansion.

Bear case

Integration of Cook Filter remains an uncertain undertaking, with potential cultural clashes and operational alignment issues. The call did not detail the status of supply chain or manufacturing consolidation, leaving gaps in understanding synergies. A protracted integration could delay the expected 1 to 8 percent growth in Industrial Solutions and erode projected cash flow. Investors should remain cautious about the true cost and timing of these integration efforts.
The guidance for Industrial Solutions is wide and conservatively framed, ranging from 1 to 8 percent growth, and the company explicitly acknowledges the uncertainty. The 8 percent revenue share from data centers is relatively small, and the firm has not demonstrated tangible traction beyond high teens growth claims. This ambiguity could lead to a shortfall against analyst expectations and lower market confidence. The risk of underperformance is heightened by the lack of historical data for the new segment.
The aftermarket and heavy‑duty OEM markets have shown flat or modest growth, reflecting broader industry softness. Management’s expectations of a rebound in the second half are unverified and depend on macro‑economic improvement. If the recovery stalls, the company’s top line could stagnate or decline, affecting margin expansion plans. The reliance on a single growth engine remains a concentration risk.
While management states tariff pricing will be neutral, the global trade environment remains volatile and subject to sudden policy shifts. A return of tariffs or new trade restrictions could increase costs and compress margins, especially in the power solutions segment. The company’s cost‑reduction strategies may not fully offset sudden tariff exposure, exposing earnings to external shocks. This uncertainty undermines the stability of the pricing narrative.
Currency exposure continues to be a risk, as a weaker U.S. dollar was a tailwind in 2026 guidance but could reverse if the dollar strengthens. A stronger dollar would increase import costs and reduce revenue conversion, tightening margins. The firm’s past mitigation through working‑capital improvements may not be sufficient to offset a prolonged currency headwind. A sudden adverse FX movement could materially impact profitability.

Integration of Cook Filter remains an uncertain undertaking, with potential cultural clashes and operational alignment issues. The call did not detail the status of supply chain or manufacturing consolidation, leaving gaps in understanding synergies. A protracted integration could delay the expected 1 to 8 percent growth in Industrial Solutions and erode projected cash flow. Investors should remain cautious about the true cost and timing of these integration efforts.
The guidance for Industrial Solutions is wide and conservatively framed, ranging from 1 to 8 percent growth, and the company explicitly acknowledges the uncertainty. The 8 percent revenue share from data centers is relatively small, and the firm has not demonstrated tangible traction beyond high teens growth claims. This ambiguity could lead to a shortfall against analyst expectations and lower market confidence. The risk of underperformance is heightened by the lack of historical data for the new segment.
The aftermarket and heavy‑duty OEM markets have shown flat or modest growth, reflecting broader industry softness. Management’s expectations of a rebound in the second half are unverified and depend on macro‑economic improvement. If the recovery stalls, the company’s top line could stagnate or decline, affecting margin expansion plans. The reliance on a single growth engine remains a concentration risk.
While management states tariff pricing will be neutral, the global trade environment remains volatile and subject to sudden policy shifts. A return of tariffs or new trade restrictions could increase costs and compress margins, especially in the power solutions segment. The company’s cost‑reduction strategies may not fully offset sudden tariff exposure, exposing earnings to external shocks. This uncertainty undermines the stability of the pricing narrative.
Currency exposure continues to be a risk, as a weaker U.S. dollar was a tailwind in 2026 guidance but could reverse if the dollar strengthens. A stronger dollar would increase import costs and reduce revenue conversion, tightening margins. The firm’s past mitigation through working‑capital improvements may not be sufficient to offset a prolonged currency headwind. A sudden adverse FX movement could materially impact profitability.

Peer comparison

Companies in the Auto Parts

S.No.	Ticker	Company	Market Cap	P/E	P/S	Total Debt (Qtr)
1	ORLY	O Reilly Automotive Inc	77.46 Bn	29.99	4.25	6.20 Bn
2	AZO	Autozone Inc	56.88 Bn	23.43	2.90	8.91 Bn
3	GPC	Genuine Parts Co	13.45 Bn	220.46	0.54	4.64 Bn
4	MOD	Modine Manufacturing Co	13.16 Bn	135.02	4.58	0.61 Bn
5	BWA	Borgwarner Inc	13.07 Bn	36.38	0.91	3.88 Bn
6	APTV	Aptiv PLC	11.89 Bn	32.86	0.58	9.35 Bn
7	MGA	Magna International Inc	10.79 Bn	25.57	0.26	4.66 Bn
8	ALSN	Allison Transmission Holdings Inc	9.02 Bn	16.78	2.47	4.27 Bn

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Atmus Filtration Technologies Inc. (NYSE: ATMU)

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Investment thesis

Bull case

Bear case

Peer comparison

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Atmus Filtration Technologies Inc. (NYSE: ATMU)

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Peer comparison

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