ATMU

Atmus is a high-quality industrial spin-out exhibiting the classic post-IPO flywheel: revenue grew 5.7% to $1.76B in FY2025 while net income jumped 11.7% to $207M and diluted EPS rose 12.6% to $2.50 — operating leverage is real, with operating margin expanding to 16.9% and operating income up 12.3%. The five-year revenue trajectory ($1.44B → $1.76B) is steady rather than spectacular, but profitability is widening faster than the top line, which is exactly what you want from a market-leading filtration franchise serving aftermarket-heavy end markets. ROE of 54.8% is exceptional, and while it is flattered by a still-modest equity base, the equity grew 66.4% YoY as retained earnings climbed 71.9% — the leverage profile is normalizing rapidly without diluting returns.

The balance sheet narrative is the most under-appreciated piece. Cash rose 28.3% to $236M, long-term debt fell 5.3% to $540M, and operating cash flow nearly doubled to $203M (+92.3%) against just $53.9M of capex — that is roughly $149M of free cash flow, ~3.6% FCF yield on the $4.13B market cap with capacity to compound. Management is already returning capital: buybacks tripled to $60.7M and shares outstanding shrank 1.6%. The 10-K explicitly flags that 'substantially all Atmus' assets [are] pledged as security' for the term loan and revolver, so deleveraging is not optional housekeeping — it is the central capital-allocation priority, and the data shows it working.