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Side-by-side financial comparison of Atmus Filtration Technologies Inc. (ATMU) and RPC INC (RES). 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 $425.8M, roughly 1.0× RPC INC). Atmus Filtration Technologies Inc. runs the higher net margin — 10.7% vs -0.7%, a 11.5% gap on every dollar of revenue. On growth, RPC INC posted the faster year-over-year revenue change (27.0% vs 9.8%). RPC INC produced more free cash flow last quarter ($31.2M vs $31.2M). Over the past eight quarters, RPC INC's revenue compounded faster (6.2% 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.

RPC Group plc is based in the United Kingdom, and is one of Europe's largest supplier of plastic packaging. Its headquarters are in Rushden in Northamptonshire. It was listed on the London Stock Exchange until it was acquired in 2019 by Berry Global Group Inc, which in turn was acquired by Amcor in 2025.

ATMU vs RES — Head-to-Head

Bigger by revenue
ATMU
ATMU
1.0× larger
ATMU
$446.6M
$425.8M
RES
Growing faster (revenue YoY)
RES
RES
+17.2% gap
RES
27.0%
9.8%
ATMU
Higher net margin
ATMU
ATMU
11.5% more per $
ATMU
10.7%
-0.7%
RES
More free cash flow
RES
RES
$36.0K more FCF
RES
$31.2M
$31.2M
ATMU
Faster 2-yr revenue CAGR
RES
RES
Annualised
RES
6.2%
2.3%
ATMU

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATMU
ATMU
RES
RES
Revenue
$446.6M
$425.8M
Net Profit
$48.0M
$-3.1M
Gross Margin
28.5%
21.0%
Operating Margin
15.8%
-0.9%
Net Margin
10.7%
-0.7%
Revenue YoY
9.8%
27.0%
Net Profit YoY
19.7%
-124.0%
EPS (diluted)
$0.58
$-0.02

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
RES
RES
Q4 25
$446.6M
$425.8M
Q3 25
$447.7M
$447.1M
Q2 25
$453.5M
$420.8M
Q1 25
$416.5M
$332.9M
Q4 24
$406.7M
$335.4M
Q3 24
$403.7M
$337.7M
Q2 24
$432.6M
$364.2M
Q1 24
$426.6M
$377.8M
Net Profit
ATMU
ATMU
RES
RES
Q4 25
$48.0M
$-3.1M
Q3 25
$54.8M
$13.0M
Q2 25
$59.9M
$10.1M
Q1 25
$44.7M
$12.0M
Q4 24
$40.1M
$12.8M
Q3 24
$43.8M
$18.8M
Q2 24
$56.2M
$32.4M
Q1 24
$45.5M
$27.5M
Gross Margin
ATMU
ATMU
RES
RES
Q4 25
28.5%
21.0%
Q3 25
28.9%
25.1%
Q2 25
28.9%
24.5%
Q1 25
26.5%
26.7%
Q4 24
26.3%
25.4%
Q3 24
27.6%
26.7%
Q2 24
30.5%
28.0%
Q1 24
26.2%
26.8%
Operating Margin
ATMU
ATMU
RES
RES
Q4 25
15.8%
-0.9%
Q3 25
18.3%
4.7%
Q2 25
18.0%
3.7%
Q1 25
15.6%
3.7%
Q4 24
13.4%
3.1%
Q3 24
15.7%
5.7%
Q2 24
18.4%
9.7%
Q1 24
16.1%
8.6%
Net Margin
ATMU
ATMU
RES
RES
Q4 25
10.7%
-0.7%
Q3 25
12.2%
2.9%
Q2 25
13.2%
2.4%
Q1 25
10.7%
3.6%
Q4 24
9.9%
3.8%
Q3 24
10.8%
5.6%
Q2 24
13.0%
8.9%
Q1 24
10.7%
7.3%
EPS (diluted)
ATMU
ATMU
RES
RES
Q4 25
$0.58
$-0.02
Q3 25
$0.66
$0.06
Q2 25
$0.72
$0.05
Q1 25
$0.54
$0.06
Q4 24
$0.49
$0.06
Q3 24
$0.52
$0.09
Q2 24
$0.67
$0.15
Q1 24
$0.54
$0.13

Balance Sheet & Financial Strength

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

Metric
ATMU
ATMU
RES
RES
Cash + ST InvestmentsLiquidity on hand
$236.4M
$210.0M
Total DebtLower is stronger
$570.0M
Stockholders' EquityBook value
$378.5M
$1.1B
Total Assets
$1.4B
$1.5B
Debt / EquityLower = less leverage
1.51×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATMU
ATMU
RES
RES
Q4 25
$236.4M
$210.0M
Q3 25
$218.3M
$163.5M
Q2 25
$190.8M
$162.1M
Q1 25
$183.3M
$326.7M
Q4 24
$184.3M
$326.0M
Q3 24
$196.8M
$276.9M
Q2 24
$160.5M
$261.5M
Q1 24
$149.2M
$212.2M
Total Debt
ATMU
ATMU
RES
RES
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
RES
RES
Q4 25
$378.5M
$1.1B
Q3 25
$336.7M
$1.1B
Q2 25
$316.3M
$1.1B
Q1 25
$265.3M
$1.1B
Q4 24
$227.4M
$1.1B
Q3 24
$221.2M
$1.1B
Q2 24
$178.1M
$1.1B
Q1 24
$121.8M
$1.0B
Total Assets
ATMU
ATMU
RES
RES
Q4 25
$1.4B
$1.5B
Q3 25
$1.3B
$1.5B
Q2 25
$1.3B
$1.5B
Q1 25
$1.2B
$1.3B
Q4 24
$1.2B
$1.4B
Q3 24
$1.2B
$1.3B
Q2 24
$1.2B
$1.3B
Q1 24
$1.1B
$1.3B
Debt / Equity
ATMU
ATMU
RES
RES
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
RES
RES
Operating Cash FlowLast quarter
$47.5M
$61.9M
Free Cash FlowOCF − Capex
$31.2M
$31.2M
FCF MarginFCF / Revenue
7.0%
7.3%
Capex IntensityCapex / Revenue
3.6%
7.2%
Cash ConversionOCF / Net Profit
0.99×
TTM Free Cash FlowTrailing 4 quarters
$148.8M
$52.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATMU
ATMU
RES
RES
Q4 25
$47.5M
$61.9M
Q3 25
$82.1M
$46.5M
Q2 25
$44.4M
$53.1M
Q1 25
$28.7M
$39.9M
Q4 24
$20.0M
$94.2M
Q3 24
$70.7M
$70.7M
Q2 24
$22.9M
$127.9M
Q1 24
$-8.2M
$56.6M
Free Cash Flow
ATMU
ATMU
RES
RES
Q4 25
$31.2M
$31.2M
Q3 25
$68.9M
$4.1M
Q2 25
$32.4M
$10.0M
Q1 25
$16.3M
$7.6M
Q4 24
$10.0M
$53.7M
Q3 24
$54.3M
$19.1M
Q2 24
$11.3M
$52.9M
Q1 24
$-18.8M
$3.8M
FCF Margin
ATMU
ATMU
RES
RES
Q4 25
7.0%
7.3%
Q3 25
15.4%
0.9%
Q2 25
7.1%
2.4%
Q1 25
3.9%
2.3%
Q4 24
2.5%
16.0%
Q3 24
13.5%
5.6%
Q2 24
2.6%
14.5%
Q1 24
-4.4%
1.0%
Capex Intensity
ATMU
ATMU
RES
RES
Q4 25
3.6%
7.2%
Q3 25
2.9%
9.5%
Q2 25
2.6%
10.2%
Q1 25
3.0%
9.7%
Q4 24
2.5%
12.1%
Q3 24
4.1%
15.3%
Q2 24
2.7%
20.6%
Q1 24
2.5%
14.0%
Cash Conversion
ATMU
ATMU
RES
RES
Q4 25
0.99×
Q3 25
1.50×
3.59×
Q2 25
0.74×
5.23×
Q1 25
0.64×
3.31×
Q4 24
0.50×
7.38×
Q3 24
1.61×
3.76×
Q2 24
0.41×
3.95×
Q1 24
-0.18×
2.06×

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%

RES
RES

Technical Service$405.2M95%
Other$8.8M2%
Nitrogen$6.6M2%

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