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Side-by-side financial comparison of Atmus Filtration Technologies Inc. (ATMU) and MSA Safety Inc (MSA). Click either name above to swap in a different company.

MSA Safety Inc is the larger business by last-quarter revenue ($510.9M vs $446.6M, roughly 1.1× Atmus Filtration Technologies Inc.). MSA Safety Inc runs the higher net margin — 17.0% vs 10.7%, a 6.3% gap on every dollar of revenue. On growth, Atmus Filtration Technologies Inc. posted the faster year-over-year revenue change (9.8% vs 2.2%). MSA Safety Inc produced more free cash flow last quarter ($106.0M vs $31.2M). Over the past eight quarters, MSA Safety Inc's revenue compounded faster (11.2% 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.

Mine Safety Appliances, or MSA Safety Incorporated, is an American manufacturer and supplier of safety equipment designed for use in a variety of hazardous conditions in industries such as construction, the military, fire service, and chemical, oil, and gas production. MSA is based in the Pittsburgh suburb of Cranberry.

ATMU vs MSA — Head-to-Head

Bigger by revenue
MSA
MSA
1.1× larger
MSA
$510.9M
$446.6M
ATMU
Growing faster (revenue YoY)
ATMU
ATMU
+7.6% gap
ATMU
9.8%
2.2%
MSA
Higher net margin
MSA
MSA
6.3% more per $
MSA
17.0%
10.7%
ATMU
More free cash flow
MSA
MSA
$74.8M more FCF
MSA
$106.0M
$31.2M
ATMU
Faster 2-yr revenue CAGR
MSA
MSA
Annualised
MSA
11.2%
2.3%
ATMU

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATMU
ATMU
MSA
MSA
Revenue
$446.6M
$510.9M
Net Profit
$48.0M
$86.9M
Gross Margin
28.5%
46.9%
Operating Margin
15.8%
22.3%
Net Margin
10.7%
17.0%
Revenue YoY
9.8%
2.2%
Net Profit YoY
19.7%
-1.2%
EPS (diluted)
$0.58
$2.22

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
MSA
MSA
Q4 25
$446.6M
$510.9M
Q3 25
$447.7M
$468.4M
Q2 25
$453.5M
$474.1M
Q1 25
$416.5M
$421.3M
Q4 24
$406.7M
$499.7M
Q3 24
$403.7M
$432.7M
Q2 24
$432.6M
$462.5M
Q1 24
$426.6M
$413.3M
Net Profit
ATMU
ATMU
MSA
MSA
Q4 25
$48.0M
$86.9M
Q3 25
$54.8M
$69.6M
Q2 25
$59.9M
$62.8M
Q1 25
$44.7M
$59.6M
Q4 24
$40.1M
$87.9M
Q3 24
$43.8M
$66.6M
Q2 24
$56.2M
$72.2M
Q1 24
$45.5M
$58.1M
Gross Margin
ATMU
ATMU
MSA
MSA
Q4 25
28.5%
46.9%
Q3 25
28.9%
46.5%
Q2 25
28.9%
46.6%
Q1 25
26.5%
45.9%
Q4 24
26.3%
46.9%
Q3 24
27.6%
47.9%
Q2 24
30.5%
48.2%
Q1 24
26.2%
47.3%
Operating Margin
ATMU
ATMU
MSA
MSA
Q4 25
15.8%
22.3%
Q3 25
18.3%
20.1%
Q2 25
18.0%
18.1%
Q1 25
15.6%
18.5%
Q4 24
13.4%
23.5%
Q3 24
15.7%
21.1%
Q2 24
18.4%
21.6%
Q1 24
16.1%
19.4%
Net Margin
ATMU
ATMU
MSA
MSA
Q4 25
10.7%
17.0%
Q3 25
12.2%
14.9%
Q2 25
13.2%
13.2%
Q1 25
10.7%
14.1%
Q4 24
9.9%
17.6%
Q3 24
10.8%
15.4%
Q2 24
13.0%
15.6%
Q1 24
10.7%
14.1%
EPS (diluted)
ATMU
ATMU
MSA
MSA
Q4 25
$0.58
$2.22
Q3 25
$0.66
$1.77
Q2 25
$0.72
$1.59
Q1 25
$0.54
$1.51
Q4 24
$0.49
$2.22
Q3 24
$0.52
$1.69
Q2 24
$0.67
$1.83
Q1 24
$0.54
$1.47

Balance Sheet & Financial Strength

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

Metric
ATMU
ATMU
MSA
MSA
Cash + ST InvestmentsLiquidity on hand
$236.4M
$165.1M
Total DebtLower is stronger
$570.0M
$580.9M
Stockholders' EquityBook value
$378.5M
$1.4B
Total Assets
$1.4B
$2.6B
Debt / EquityLower = less leverage
1.51×
0.42×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATMU
ATMU
MSA
MSA
Q4 25
$236.4M
$165.1M
Q3 25
$218.3M
$170.0M
Q2 25
$190.8M
$147.0M
Q1 25
$183.3M
$170.6M
Q4 24
$184.3M
$164.6M
Q3 24
$196.8M
$154.4M
Q2 24
$160.5M
$146.8M
Q1 24
$149.2M
$148.3M
Total Debt
ATMU
ATMU
MSA
MSA
Q4 25
$570.0M
$580.9M
Q3 25
$577.5M
$628.6M
Q2 25
$585.0M
$679.3M
Q1 25
$588.8M
$502.1M
Q4 24
$592.5M
$508.0M
Q3 24
$596.2M
$554.7M
Q2 24
$600.0M
$588.2M
Q1 24
$600.0M
$596.2M
Stockholders' Equity
ATMU
ATMU
MSA
MSA
Q4 25
$378.5M
$1.4B
Q3 25
$336.7M
$1.3B
Q2 25
$316.3M
$1.3B
Q1 25
$265.3M
$1.2B
Q4 24
$227.4M
$1.1B
Q3 24
$221.2M
$1.1B
Q2 24
$178.1M
$1.0B
Q1 24
$121.8M
$994.8M
Total Assets
ATMU
ATMU
MSA
MSA
Q4 25
$1.4B
$2.6B
Q3 25
$1.3B
$2.6B
Q2 25
$1.3B
$2.6B
Q1 25
$1.2B
$2.2B
Q4 24
$1.2B
$2.2B
Q3 24
$1.2B
$2.2B
Q2 24
$1.2B
$2.2B
Q1 24
$1.1B
$2.2B
Debt / Equity
ATMU
ATMU
MSA
MSA
Q4 25
1.51×
0.42×
Q3 25
1.72×
0.48×
Q2 25
1.85×
0.54×
Q1 25
2.22×
0.42×
Q4 24
2.61×
0.44×
Q3 24
2.70×
0.51×
Q2 24
3.37×
0.57×
Q1 24
4.93×
0.60×

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
MSA
MSA
Operating Cash FlowLast quarter
$47.5M
$122.4M
Free Cash FlowOCF − Capex
$31.2M
$106.0M
FCF MarginFCF / Revenue
7.0%
20.8%
Capex IntensityCapex / Revenue
3.6%
3.2%
Cash ConversionOCF / Net Profit
0.99×
1.41×
TTM Free Cash FlowTrailing 4 quarters
$148.8M
$295.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATMU
ATMU
MSA
MSA
Q4 25
$47.5M
$122.4M
Q3 25
$82.1M
$112.5M
Q2 25
$44.4M
$67.2M
Q1 25
$28.7M
$61.8M
Q4 24
$20.0M
$107.9M
Q3 24
$70.7M
$84.3M
Q2 24
$22.9M
$53.3M
Q1 24
$-8.2M
$50.9M
Free Cash Flow
ATMU
ATMU
MSA
MSA
Q4 25
$31.2M
$106.0M
Q3 25
$68.9M
$100.5M
Q2 25
$32.4M
$37.9M
Q1 25
$16.3M
$51.0M
Q4 24
$10.0M
$93.5M
Q3 24
$54.3M
$70.1M
Q2 24
$11.3M
$39.0M
Q1 24
$-18.8M
$39.7M
FCF Margin
ATMU
ATMU
MSA
MSA
Q4 25
7.0%
20.8%
Q3 25
15.4%
21.4%
Q2 25
7.1%
8.0%
Q1 25
3.9%
12.1%
Q4 24
2.5%
18.7%
Q3 24
13.5%
16.2%
Q2 24
2.6%
8.4%
Q1 24
-4.4%
9.6%
Capex Intensity
ATMU
ATMU
MSA
MSA
Q4 25
3.6%
3.2%
Q3 25
2.9%
2.6%
Q2 25
2.6%
6.2%
Q1 25
3.0%
2.6%
Q4 24
2.5%
2.9%
Q3 24
4.1%
3.3%
Q2 24
2.7%
3.1%
Q1 24
2.5%
2.7%
Cash Conversion
ATMU
ATMU
MSA
MSA
Q4 25
0.99×
1.41×
Q3 25
1.50×
1.62×
Q2 25
0.74×
1.07×
Q1 25
0.64×
1.04×
Q4 24
0.50×
1.23×
Q3 24
1.61×
1.27×
Q2 24
0.41×
0.74×
Q1 24
-0.18×
0.88×

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%

MSA
MSA

Americas Segment$335.2M66%
International Segment$175.7M34%

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