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Side-by-side financial comparison of Atmus Filtration Technologies Inc. (ATMU) and ARMSTRONG WORLD INDUSTRIES INC (AWI). Click either name above to swap in a different company.

Atmus Filtration Technologies Inc. is the larger business by last-quarter revenue ($446.6M vs $388.3M, roughly 1.2× ARMSTRONG WORLD INDUSTRIES INC). ARMSTRONG WORLD INDUSTRIES INC runs the higher net margin — 16.9% vs 10.7%, a 6.1% gap on every dollar of revenue. On growth, Atmus Filtration Technologies Inc. posted the faster year-over-year revenue change (9.8% vs 5.6%). ARMSTRONG WORLD INDUSTRIES INC produced more free cash flow last quarter ($62.2M vs $31.2M). Over the past eight quarters, ARMSTRONG WORLD INDUSTRIES INC's revenue compounded faster (9.1% CAGR vs 2.3%).

Atmus Filtration Technologies Inc. designs, manufactures and distributes high-performance filtration products and tailored solutions. Its portfolio covers air, fuel, oil and hydraulic filtration systems, serving global automotive, heavy-duty vehicle, industrial equipment and aerospace end markets, for both original equipment manufacturers and aftermarket replacement customers.

Armstrong World Industries, Inc. is an international designer and manufacturer of wall and ceiling building materials based in Lancaster, Pennsylvania. As of 2014, AWI had 3,100 employees and a global manufacturing network of 17 facilities, down from 26, including nine plants dedicated to its WAVE joint venture, in 2012.

ATMU vs AWI — Head-to-Head

Bigger by revenue
ATMU
ATMU
1.2× larger
ATMU
$446.6M
$388.3M
AWI
Growing faster (revenue YoY)
ATMU
ATMU
+4.2% gap
ATMU
9.8%
5.6%
AWI
Higher net margin
AWI
AWI
6.1% more per $
AWI
16.9%
10.7%
ATMU
More free cash flow
AWI
AWI
$31.0M more FCF
AWI
$62.2M
$31.2M
ATMU
Faster 2-yr revenue CAGR
AWI
AWI
Annualised
AWI
9.1%
2.3%
ATMU

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATMU
ATMU
AWI
AWI
Revenue
$446.6M
$388.3M
Net Profit
$48.0M
$65.5M
Gross Margin
28.5%
39.8%
Operating Margin
15.8%
23.7%
Net Margin
10.7%
16.9%
Revenue YoY
9.8%
5.6%
Net Profit YoY
19.7%
5.3%
EPS (diluted)
$0.58
$1.51

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
ATMU
ATMU
AWI
AWI
Q4 25
$446.6M
$388.3M
Q3 25
$447.7M
$425.2M
Q2 25
$453.5M
$424.6M
Q1 25
$416.5M
$382.7M
Q4 24
$406.7M
$367.7M
Q3 24
$403.7M
$386.6M
Q2 24
$432.6M
$365.1M
Q1 24
$426.6M
$326.3M
Net Profit
ATMU
ATMU
AWI
AWI
Q4 25
$48.0M
$65.5M
Q3 25
$54.8M
$86.3M
Q2 25
$59.9M
$87.8M
Q1 25
$44.7M
$69.1M
Q4 24
$40.1M
$62.2M
Q3 24
$43.8M
$76.9M
Q2 24
$56.2M
$65.9M
Q1 24
$45.5M
$59.9M
Gross Margin
ATMU
ATMU
AWI
AWI
Q4 25
28.5%
39.8%
Q3 25
28.9%
42.0%
Q2 25
28.9%
41.4%
Q1 25
26.5%
39.2%
Q4 24
26.3%
39.1%
Q3 24
27.6%
42.4%
Q2 24
30.5%
40.9%
Q1 24
26.2%
38.1%
Operating Margin
ATMU
ATMU
AWI
AWI
Q4 25
15.8%
23.7%
Q3 25
18.3%
27.6%
Q2 25
18.0%
29.0%
Q1 25
15.6%
25.7%
Q4 24
13.4%
22.3%
Q3 24
15.7%
28.8%
Q2 24
18.4%
26.0%
Q1 24
16.1%
26.4%
Net Margin
ATMU
ATMU
AWI
AWI
Q4 25
10.7%
16.9%
Q3 25
12.2%
20.3%
Q2 25
13.2%
20.7%
Q1 25
10.7%
18.1%
Q4 24
9.9%
16.9%
Q3 24
10.8%
19.9%
Q2 24
13.0%
18.0%
Q1 24
10.7%
18.4%
EPS (diluted)
ATMU
ATMU
AWI
AWI
Q4 25
$0.58
$1.51
Q3 25
$0.66
$1.98
Q2 25
$0.72
$2.01
Q1 25
$0.54
$1.58
Q4 24
$0.49
$1.41
Q3 24
$0.52
$1.75
Q2 24
$0.67
$1.50
Q1 24
$0.54
$1.36

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
ATMU
ATMU
AWI
AWI
Cash + ST InvestmentsLiquidity on hand
$236.4M
$112.7M
Total DebtLower is stronger
$570.0M
Stockholders' EquityBook value
$378.5M
$900.7M
Total Assets
$1.4B
$1.9B
Debt / EquityLower = less leverage
1.51×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATMU
ATMU
AWI
AWI
Q4 25
$236.4M
$112.7M
Q3 25
$218.3M
$90.1M
Q2 25
$190.8M
$81.1M
Q1 25
$183.3M
$82.8M
Q4 24
$184.3M
$79.3M
Q3 24
$196.8M
$73.7M
Q2 24
$160.5M
$73.6M
Q1 24
$149.2M
$69.6M
Total Debt
ATMU
ATMU
AWI
AWI
Q4 25
$570.0M
Q3 25
$577.5M
Q2 25
$585.0M
Q1 25
$588.8M
Q4 24
$592.5M
Q3 24
$596.2M
Q2 24
$600.0M
Q1 24
$600.0M
Stockholders' Equity
ATMU
ATMU
AWI
AWI
Q4 25
$378.5M
$900.7M
Q3 25
$336.7M
$889.2M
Q2 25
$316.3M
$837.8M
Q1 25
$265.3M
$793.4M
Q4 24
$227.4M
$757.1M
Q3 24
$221.2M
$717.0M
Q2 24
$178.1M
$669.0M
Q1 24
$121.8M
$626.8M
Total Assets
ATMU
ATMU
AWI
AWI
Q4 25
$1.4B
$1.9B
Q3 25
$1.3B
$1.9B
Q2 25
$1.3B
$1.9B
Q1 25
$1.2B
$1.9B
Q4 24
$1.2B
$1.8B
Q3 24
$1.2B
$1.8B
Q2 24
$1.2B
$1.8B
Q1 24
$1.1B
$1.7B
Debt / Equity
ATMU
ATMU
AWI
AWI
Q4 25
1.51×
Q3 25
1.72×
Q2 25
1.85×
Q1 25
2.22×
Q4 24
2.61×
Q3 24
2.70×
Q2 24
3.37×
Q1 24
4.93×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
ATMU
ATMU
AWI
AWI
Operating Cash FlowLast quarter
$47.5M
$110.0M
Free Cash FlowOCF − Capex
$31.2M
$62.2M
FCF MarginFCF / Revenue
7.0%
16.0%
Capex IntensityCapex / Revenue
3.6%
12.3%
Cash ConversionOCF / Net Profit
0.99×
1.68×
TTM Free Cash FlowTrailing 4 quarters
$148.8M
$246.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATMU
ATMU
AWI
AWI
Q4 25
$47.5M
$110.0M
Q3 25
$82.1M
$122.9M
Q2 25
$44.4M
$81.6M
Q1 25
$28.7M
$41.0M
Q4 24
$20.0M
$86.6M
Q3 24
$70.7M
$96.5M
Q2 24
$22.9M
$57.3M
Q1 24
$-8.2M
$26.4M
Free Cash Flow
ATMU
ATMU
AWI
AWI
Q4 25
$31.2M
$62.2M
Q3 25
$68.9M
$100.3M
Q2 25
$32.4M
$61.7M
Q1 25
$16.3M
$21.9M
Q4 24
$10.0M
$57.8M
Q3 24
$54.3M
$77.1M
Q2 24
$11.3M
$37.4M
Q1 24
$-18.8M
$11.7M
FCF Margin
ATMU
ATMU
AWI
AWI
Q4 25
7.0%
16.0%
Q3 25
15.4%
23.6%
Q2 25
7.1%
14.5%
Q1 25
3.9%
5.7%
Q4 24
2.5%
15.7%
Q3 24
13.5%
19.9%
Q2 24
2.6%
10.2%
Q1 24
-4.4%
3.6%
Capex Intensity
ATMU
ATMU
AWI
AWI
Q4 25
3.6%
12.3%
Q3 25
2.9%
5.3%
Q2 25
2.6%
4.7%
Q1 25
3.0%
5.0%
Q4 24
2.5%
7.8%
Q3 24
4.1%
5.0%
Q2 24
2.7%
5.5%
Q1 24
2.5%
4.5%
Cash Conversion
ATMU
ATMU
AWI
AWI
Q4 25
0.99×
1.68×
Q3 25
1.50×
1.42×
Q2 25
0.74×
0.93×
Q1 25
0.64×
0.59×
Q4 24
0.50×
1.39×
Q3 24
1.61×
1.25×
Q2 24
0.41×
0.87×
Q1 24
-0.18×
0.44×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

ATMU
ATMU

Fuel Products$219.1M49%
Lube$84.8M19%
Air$74.0M17%
Other$68.7M15%
Related Party$14.9M3%

AWI
AWI

Distributors$183.0M47%
Architectural Specialties$143.7M37%
Home Centers$27.2M7%
Retailers And Other$21.7M6%
Direct Customers$12.7M3%

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