ATMU
Atmus Filtration Technologies Inc.
Industrial - Pollution & Treatment Controls
Market Cap$4.48B
5Y Perf.+164.4%
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Stock Comparison
ATMU vs LFUS
Revenue, margins, valuation, and 5-year total return — side by side.
LFUS
Littelfuse, Inc.
Hardware, Equipment & Parts
Market Cap$11.11B
5Y Perf.+72.5%
ATMU vs LFUS — Key Financials
Market cap, revenue, margins, and valuation side-by-side.
| Company Snapshot | ATMU | LFUS |
|---|---|---|
| Industry | Industrial - Pollution & Treatment Controls | Hardware, Equipment & Parts |
| Market Cap | $4.48B | $11.11B |
| Revenue (TTM) | $1.35B | $2.49B |
| Net Income (TTM) | $211M | $-40M |
| Gross Margin | 39.2% | 38.3% |
| Operating Margin | 23.0% | 2.8% |
| Forward P/E | 18.8x | 33.8x |
| Total Debt | $570M | $946M |
| Cash & Equiv. | $236M | $563M |
ATMU vs LFUS — Long-Term Stock Performance
Price return indexed to 100 at period start. Dividends excluded.
ATMU
LFUS
| Stock | May 23 | May 26 | Return |
|---|---|---|---|
| Atmus Filtration Te… (ATMU) | 100 | 264.4 | +164.4% |
| Littelfuse, Inc. (LFUS) | 100 | 172.5 | +72.5% |
Price return only. Dividends and distributions are not included.
Quick Verdict: ATMU vs LFUS
Each card shows where this stock fits in a portfolio — not just who wins on paper.
Bottom line: ATMU leads in 4 of 7 categories, making it the strongest pick for valuation and capital efficiency and profitability and margin quality. Littelfuse, Inc. is the stronger pick specifically for growth and revenue expansion and dividend income and shareholder returns. This set spans 2 sectors — these stocks serve different portfolio roles, not just different price points.
ATMU
Atmus Filtration Technologies Inc.
The Growth Play
ATMU carries the broadest edge in this set and is the clearest fit for growth exposure and sleep-well-at-night.
- Rev growth 5.7%, EPS growth 12.6%, 3Y rev CAGR 4.1%
- Lower volatility, beta 1.34, current ratio 2.42x
- Lower P/E (18.8x vs 33.8x)
Best for: growth exposure and sleep-well-at-night
LFUS
Littelfuse, Inc.
The Income Pick
LFUS is the clearest fit if your priority is income & stability and long-term compounding.
- Dividend streak 16 yrs, beta 1.76, yield 0.7%
- 317.6% 10Y total return vs ATMU's 155.0%
- Beta 1.76, yield 0.7%, current ratio 2.69x
Best for: income & stability and long-term compounding
See the full category breakdown
| Category | Winner | Why |
|---|---|---|
| Growth | LFUS | 8.9% revenue growth vs ATMU's 5.7% |
| Value | ATMU | Lower P/E (18.8x vs 33.8x) |
| Quality / Margins | ATMU | 15.7% margin vs LFUS's -1.6% |
| Stability / Safety | ATMU | Beta 1.34 vs LFUS's 1.76 |
| Dividends | LFUS | 0.7% yield, 16-year raise streak, vs ATMU's 0.4% |
| Momentum (1Y) | LFUS | +132.6% vs ATMU's +54.7% |
| Efficiency (ROA) | ATMU | 14.4% ROA vs LFUS's -1.0%, ROIC 31.2% vs 1.0% |
ATMU vs LFUS — Revenue Breakdown by Segment
How each company's revenue is distributed across its business units
FY 2025
FY 2025
ATMU vs LFUS — Financial Metrics
Side-by-side numbers across 2 stocks — who leads on profitability, valuation, growth, and risk.
BEST OVERALLATMULAGGINGLFUS
LFUSLittelfuse, Inc.
1leads
ATMUAtmus Filtration Tech…
2leads
6 Total Categories
CATEGORYLEADERvs LFUSMETRICS WON
Income & Cash FlowRevenue, margins, and cash flow strength
Tied
—
Valuation MetricsMultiples, price ratios, and targets
ATMU4/6
Profitability & EfficiencyROE, ROIC, leverage, and quality scores
ATMU8/9
Total Returns1Y, 3Y, 5Y total returns with dividends
Tied
—
Risk & VolatilityBeta, volatility, and downside exposure
Tied
—
Analyst OutlookRatings, price targets, and dividends
LFUS2/2
Income & Cash Flow (Last 12 Months)
Evenly matched — ATMU and LFUS each lead in 3 of 6 comparable metrics.
Income & Cash Flow (Last 12 Months)
LFUS is the larger business by revenue, generating $2.5B annually — 1.8x ATMU's $1.3B. ATMU is the more profitable business, keeping 15.7% of every revenue dollar as net income compared to LFUS's -1.6%. On growth, LFUS holds the edge at +18.5% YoY revenue growth, suggesting stronger near-term business momentum.
| Metric | ATMUAtmus Filtration … | LFUSLittelfuse, Inc. |
|---|---|---|
| RevenueTrailing 12 months | $1.3B | $2.5B |
| EBITDAEarnings before interest/tax | $333M | $227M |
| Net IncomeAfter-tax profit | $211M | -$40M |
| Free Cash FlowCash after capex | $158M | $390M |
| Gross MarginGross profit ÷ Revenue | +39.2% | +38.3% |
| Operating MarginEBIT ÷ Revenue | +23.0% | +2.8% |
| Net MarginNet income ÷ Revenue | +15.7% | -1.6% |
| FCF MarginFCF ÷ Revenue | +11.7% | +15.7% |
| Rev. Growth (YoY)Latest quarter vs prior year | -100.0% | +18.5% |
| EPS Growth (YoY)Latest quarter vs prior year | +9.3% | +69.1% |
Evenly matched — ATMU and LFUS each lead in 3 of 6 comparable metrics.
Valuation Metrics
ATMU leads this category, winning 4 of 6 comparable metrics.
Valuation Metrics
On an enterprise value basis, ATMU's 15.1x EV/EBITDA is more attractive than LFUS's 83.2x.
| Metric | ATMUAtmus Filtration … | LFUSLittelfuse, Inc. |
|---|---|---|
| Market CapShares × price | $4.5B | $11.1B |
| Enterprise ValueMkt cap + debt − cash | $4.8B | $11.5B |
| Trailing P/EPrice ÷ TTM EPS | 21.94x | -152.27x |
| Forward P/EPrice ÷ next-FY EPS est. | 18.79x | 33.79x |
| PEG RatioP/E ÷ EPS growth rate | 2.78x | — |
| EV / EBITDAEnterprise value multiple | 15.10x | 83.21x |
| Price / SalesMarket cap ÷ Revenue | 2.54x | 4.66x |
| Price / BookPrice ÷ Book value/share | 12.00x | 4.53x |
| Price / FCFMarket cap ÷ FCF | 30.10x | 30.35x |
ATMU leads this category, winning 4 of 6 comparable metrics.
Profitability & Efficiency
ATMU leads this category, winning 8 of 9 comparable metrics.
Profitability & Efficiency
ATMU delivers a 58.8% return on equity — every $100 of shareholder capital generates $59 in annual profit, vs $-2 for LFUS. LFUS carries lower financial leverage with a 0.39x debt-to-equity ratio, signaling a more conservative balance sheet compared to ATMU's 1.51x. On the Piotroski fundamental quality scale (0–9), ATMU scores 7/9 vs LFUS's 5/9, reflecting strong financial health.
| Metric | ATMUAtmus Filtration … | LFUSLittelfuse, Inc. |
|---|---|---|
| ROE (TTM)Return on equity | +58.8% | -1.6% |
| ROA (TTM)Return on assets | +14.4% | -1.0% |
| ROICReturn on invested capital | +31.2% | +1.0% |
| ROCEReturn on capital employed | +31.6% | +1.1% |
| Piotroski ScoreFundamental quality 0–9 | 7 | 5 |
| Debt / EquityFinancial leverage | 1.51x | 0.39x |
| Net DebtTotal debt minus cash | $334M | $383M |
| Cash & Equiv.Liquid assets | $236M | $563M |
| Total DebtShort + long-term debt | $570M | $946M |
| Interest CoverageEBIT ÷ Interest expense | 6.02x | -0.93x |
ATMU leads this category, winning 8 of 9 comparable metrics.
Total Returns (Dividends Reinvested)
Evenly matched — ATMU and LFUS each lead in 3 of 6 comparable metrics.
Total Returns (Dividends Reinvested)
A $10,000 investment in ATMU five years ago would be worth $25,499 today (with dividends reinvested), compared to $17,185 for LFUS. Over the past 12 months, LFUS leads with a +132.6% total return vs ATMU's +54.7%. The 3-year compound annual growth rate (CAGR) favors ATMU at 36.6% vs LFUS's 20.1% — a key indicator of consistent wealth creation.
| Metric | ATMUAtmus Filtration … | LFUSLittelfuse, Inc. |
|---|---|---|
| YTD ReturnYear-to-date | +4.7% | +68.5% |
| 1-Year ReturnPast 12 months | +54.7% | +132.6% |
| 3-Year ReturnCumulative with dividends | +155.0% | +73.3% |
| 5-Year ReturnCumulative with dividends | +155.0% | +71.8% |
| 10-Year ReturnCumulative with dividends | +155.0% | +317.6% |
| CAGR (3Y)Annualised 3-year return | +36.6% | +20.1% |
Evenly matched — ATMU and LFUS each lead in 3 of 6 comparable metrics.
Risk & Volatility
Evenly matched — ATMU and LFUS each lead in 1 of 2 comparable metrics.
Risk & Volatility
ATMU is the less volatile stock with a 1.34 beta — it tends to amplify market swings less than LFUS's 1.76 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. LFUS currently trades 93.0% from its 52-week high vs ATMU's 82.5% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | ATMUAtmus Filtration … | LFUSLittelfuse, Inc. |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 1.34x | 1.76x |
| 52-Week HighHighest price in past year | $66.50 | $475.00 |
| 52-Week LowLowest price in past year | $34.58 | $188.08 |
| % of 52W HighCurrent price vs 52-week peak | +82.5% | +93.0% |
| RSI (14)Momentum oscillator 0–100 | 40.4 | 76.2 |
| Avg Volume (50D)Average daily shares traded | 996K | 265K |
Evenly matched — ATMU and LFUS each lead in 1 of 2 comparable metrics.
Analyst Outlook
LFUS leads this category, winning 2 of 2 comparable metrics.
Analyst Outlook
Wall Street rates ATMU as "Buy" and LFUS as "Buy". Consensus price targets imply -9.4% upside for LFUS (target: $400) vs -26.5% for ATMU (target: $40). For income investors, LFUS offers the higher dividend yield at 0.65% vs ATMU's 0.38%.
| Metric | ATMUAtmus Filtration … | LFUSLittelfuse, Inc. |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | Buy |
| Price TargetConsensus 12-month target | $40.33 | $400.00 |
| # AnalystsCovering analysts | 5 | 11 |
| Dividend YieldAnnual dividend ÷ price | +0.4% | +0.7% |
| Dividend StreakConsecutive years of raises | 2 | 16 |
| Dividend / ShareAnnual DPS | $0.21 | $2.89 |
| Buyback YieldShare repurchases ÷ mkt cap | +1.4% | +0.2% |
LFUS leads this category, winning 2 of 2 comparable metrics.
Key Takeaway
ATMU leads in 2 of 6 categories (Valuation Metrics, Profitability & Efficiency). LFUS leads in 1 (Analyst Outlook). 3 tied.
Best OverallAtmus Filtration Technologi… (ATMU)Leads 2 of 6 categories
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ATMU vs LFUS: Frequently Asked Questions
10 questions · data-driven answers · updated daily
01Is ATMU or LFUS a better buy right now?
For growth investors, Littelfuse, Inc.
(LFUS) is the stronger pick with 8. 9% revenue growth year-over-year, versus 5. 7% for Atmus Filtration Technologies Inc. (ATMU). Atmus Filtration Technologies Inc. (ATMU) offers the better valuation at 21. 9x trailing P/E (18. 8x forward), making it the more compelling value choice. Analysts rate Atmus Filtration Technologies Inc. (ATMU) a "Buy" — based on 5 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which has the better valuation — ATMU or LFUS?
On forward P/E, Atmus Filtration Technologies Inc.
is actually cheaper at 18. 8x.
03Which is the better long-term investment — ATMU or LFUS?
Over the past 5 years, Atmus Filtration Technologies Inc.
(ATMU) delivered a total return of +155. 0%, compared to +71. 8% for Littelfuse, Inc. (LFUS). Over 10 years, the gap is even starker: LFUS returned +317. 6% versus ATMU's +155. 0%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
04Which is safer — ATMU or LFUS?
By beta (market sensitivity over 5 years), Atmus Filtration Technologies Inc.
(ATMU) is the lower-risk stock at 1. 34β versus Littelfuse, Inc. 's 1. 76β — meaning LFUS is approximately 31% more volatile than ATMU relative to the S&P 500. On balance sheet safety, Littelfuse, Inc. (LFUS) carries a lower debt/equity ratio of 39% versus 151% for Atmus Filtration Technologies Inc. — giving it more financial flexibility in a downturn.
05Which is growing faster — ATMU or LFUS?
By revenue growth (latest reported year), Littelfuse, Inc.
(LFUS) is pulling ahead at 8. 9% versus 5. 7% for Atmus Filtration Technologies Inc. (ATMU). On earnings-per-share growth, the picture is similar: Atmus Filtration Technologies Inc. grew EPS 12. 6% year-over-year, compared to -172. 5% for Littelfuse, Inc.. Over a 3-year CAGR, ATMU leads at 4. 1% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.
06Which has better profit margins — ATMU or LFUS?
Atmus Filtration Technologies Inc.
(ATMU) is the more profitable company, earning 11. 8% net margin versus -3. 0% for Littelfuse, Inc. — meaning it keeps 11. 8% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: ATMU leads at 16. 4% versus 1. 6% for LFUS. At the gross margin level — before operating expenses — LFUS leads at 38. 0%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
07Is ATMU or LFUS more undervalued right now?
On forward earnings alone, Atmus Filtration Technologies Inc.
(ATMU) trades at 18. 8x forward P/E versus 33. 8x for Littelfuse, Inc. — 15. 0x cheaper on a one-year earnings basis. Analyst consensus price targets imply the most upside for LFUS: -9. 4% to $400. 00.
08Which pays a better dividend — ATMU or LFUS?
All stocks in this comparison pay dividends.
Littelfuse, Inc. (LFUS) offers the highest yield at 0. 7%, versus 0. 4% for Atmus Filtration Technologies Inc. (ATMU).
09Is ATMU or LFUS better for a retirement portfolio?
For long-horizon retirement investors, Littelfuse, Inc.
(LFUS) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (0. 7% yield, +317. 6% 10Y return). Both have compounded well over 10 years (LFUS: +317. 6%, ATMU: +155. 0%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
10What are the main differences between ATMU and LFUS?
These companies operate in different sectors (ATMU (Industrials) and LFUS (Technology)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.
LFUS pays a dividend while ATMU does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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