Atmus Filtration Technologies vs Mueller Water Products
Atmus Filtration Technologies reported revenue of $1.8 billion in fiscal 2025, 1.2 times Mueller Water Products' $1.4 billion in fiscal 2025. Atmus Filtration Technologies' revenue grew 5.7% in its latest year, and Mueller Water Products' grew 8.8%. Atmus Filtration Technologies had an operating margin of 16.9%, against 18.2% at Mueller Water Products. Free cash flow was $149 million at Atmus Filtration Technologies and $172 million at Mueller Water Products. Their fiscal years end in different months (December 31 and September 30), so the periods don't line up exactly.
Side by side
| Atmus Filtration Technologies | Mueller Water Products | |
|---|---|---|
| Latest fiscal year | FY2025, Dec 31, 2025 | FY2025, Sep 30, 2025 |
| Revenue | $1.8B | $1.4B |
| Revenue growth | 5.7% | 8.8% |
| Revenue growth a year, last 5 years | — | 8.2% |
| Gross margin | 28.2% | 36.1% |
| Operating margin | 16.9% | 18.2% |
| Net margin | 11.8% | 13.4% |
| Free cash flow | $149M | $172M |
| Free cash flow margin | 8.4% | 12.0% |
| Return on capital | 34.5% | 20.1% |
| Net debt to EBITDA | 1.0x | 0.1x |
| Dividends and buybacks | $78M | $57M |
| Change in diluted share count | −1.0% | 0.4% |
| Last close | $50.60 | $24.05 |
| P/E at the last close | 18.7× | 16.9× |
| Insider trades, last 12 months | bought $209,552, sold $1.8 million | bought $826,950, sold $4.8 million |
| Piotroski F-score | 7 of 9 | 8 of 9 |
Amounts in each company's own currency, US$ unless marked (a foreign company may report in another), each company's latest fiscal year from its 10-K, or 20-F or 40-F for a foreign company. Growth rates compare with the year before; the five-year rate is the average a year. Free cash flow is cash from operations minus capital spending; return on capital is after-tax operating income over the money invested in the business; P/E is the last close over the latest earnings per share. Banks are measured differently (return on equity, efficiency ratio), so some rows apply to one company only.
Ten years
Revenue
US$ billions, fiscal years
Atmus Filtration TechnologiesMueller Water Products
Operating margin
Percent of revenue
Atmus Filtration TechnologiesMueller Water Products
Free cash flow
US$ billions. Cash from operations minus capital expenditure.
Atmus Filtration TechnologiesMueller Water Products
Source: the companies' Form 10-K filings, from SEC EDGAR, and the last close. For information only, not investment advice: the figures describe results, not which company is the better investment. The Filing Desk is not affiliated with either company. Full figures on the Atmus Filtration Technologies and Mueller Water Products pages.