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Side-by-side financial comparison of Atmus Filtration Technologies Inc. (ATMU) and GULFPORT ENERGY CORP (GPOR). 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 $398.2M, roughly 1.1× GULFPORT ENERGY CORP). GULFPORT ENERGY CORP runs the higher net margin — 33.3% vs 10.7%, a 22.5% gap on every dollar of revenue. On growth, GULFPORT ENERGY CORP posted the faster year-over-year revenue change (66.0% vs 9.8%). Over the past eight quarters, GULFPORT ENERGY CORP's revenue compounded faster (18.6% 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.

Gulfport Energy Corp is a U.S.-headquartered independent oil and natural gas exploration and production company. It primarily operates in onshore resource basins including Ohio's Utica Shale and Oklahoma's SCOOP play, producing natural gas, crude oil, and natural gas liquids to supply North American industrial, utility, and commercial end markets.

ATMU vs GPOR — Head-to-Head

Bigger by revenue
ATMU
ATMU
1.1× larger
ATMU
$446.6M
$398.2M
GPOR
Growing faster (revenue YoY)
GPOR
GPOR
+56.2% gap
GPOR
66.0%
9.8%
ATMU
Higher net margin
GPOR
GPOR
22.5% more per $
GPOR
33.3%
10.7%
ATMU
Faster 2-yr revenue CAGR
GPOR
GPOR
Annualised
GPOR
18.6%
2.3%
ATMU

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
ATMU
ATMU
GPOR
GPOR
Revenue
$446.6M
$398.2M
Net Profit
$48.0M
$132.4M
Gross Margin
28.5%
76.6%
Operating Margin
15.8%
44.9%
Net Margin
10.7%
33.3%
Revenue YoY
9.8%
66.0%
Net Profit YoY
19.7%
148.5%
EPS (diluted)
$0.58
$7.98

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
GPOR
GPOR
Q4 25
$446.6M
$398.2M
Q3 25
$447.7M
$379.7M
Q2 25
$453.5M
$447.6M
Q1 25
$416.5M
$197.0M
Q4 24
$406.7M
$239.9M
Q3 24
$403.7M
$253.9M
Q2 24
$432.6M
$181.1M
Q1 24
$426.6M
$283.2M
Net Profit
ATMU
ATMU
GPOR
GPOR
Q4 25
$48.0M
$132.4M
Q3 25
$54.8M
$111.4M
Q2 25
$59.9M
$184.5M
Q1 25
$44.7M
$-464.0K
Q4 24
$40.1M
$-273.2M
Q3 24
$43.8M
$-14.0M
Q2 24
$56.2M
$-26.2M
Q1 24
$45.5M
$52.0M
Gross Margin
ATMU
ATMU
GPOR
GPOR
Q4 25
28.5%
76.6%
Q3 25
28.9%
74.6%
Q2 25
28.9%
80.7%
Q1 25
26.5%
57.9%
Q4 24
26.3%
63.2%
Q3 24
27.6%
64.6%
Q2 24
30.5%
52.2%
Q1 24
26.2%
69.4%
Operating Margin
ATMU
ATMU
GPOR
GPOR
Q4 25
15.8%
44.9%
Q3 25
18.3%
41.9%
Q2 25
18.0%
56.0%
Q1 25
15.6%
6.1%
Q4 24
13.4%
-131.3%
Q3 24
15.7%
5.7%
Q2 24
18.4%
-10.0%
Q1 24
16.1%
28.9%
Net Margin
ATMU
ATMU
GPOR
GPOR
Q4 25
10.7%
33.3%
Q3 25
12.2%
29.3%
Q2 25
13.2%
41.2%
Q1 25
10.7%
-0.2%
Q4 24
9.9%
-113.9%
Q3 24
10.8%
-5.5%
Q2 24
13.0%
-14.5%
Q1 24
10.7%
18.4%
EPS (diluted)
ATMU
ATMU
GPOR
GPOR
Q4 25
$0.58
$7.98
Q3 25
$0.66
$4.45
Q2 25
$0.72
$9.12
Q1 25
$0.54
$-0.07
Q4 24
$0.49
$-14.72
Q3 24
$0.52
$-0.83
Q2 24
$0.67
$-1.51
Q1 24
$0.54
$2.34

Balance Sheet & Financial Strength

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

Metric
ATMU
ATMU
GPOR
GPOR
Cash + ST InvestmentsLiquidity on hand
$236.4M
$1.8M
Total DebtLower is stronger
$570.0M
$788.2M
Stockholders' EquityBook value
$378.5M
$1.8B
Total Assets
$1.4B
$3.0B
Debt / EquityLower = less leverage
1.51×
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ATMU
ATMU
GPOR
GPOR
Q4 25
$236.4M
$1.8M
Q3 25
$218.3M
$3.4M
Q2 25
$190.8M
$3.8M
Q1 25
$183.3M
$5.3M
Q4 24
$184.3M
$1.5M
Q3 24
$196.8M
$3.2M
Q2 24
$160.5M
$1.2M
Q1 24
$149.2M
$8.2M
Total Debt
ATMU
ATMU
GPOR
GPOR
Q4 25
$570.0M
$788.2M
Q3 25
$577.5M
$691.7M
Q2 25
$585.0M
$695.2M
Q1 25
$588.8M
$700.4M
Q4 24
$592.5M
$702.9M
Q3 24
$596.2M
$694.4M
Q2 24
$600.0M
$679.5M
Q1 24
$600.0M
$636.4M
Stockholders' Equity
ATMU
ATMU
GPOR
GPOR
Q4 25
$378.5M
$1.8B
Q3 25
$336.7M
$1.8B
Q2 25
$316.3M
$1.8B
Q1 25
$265.3M
$1.7B
Q4 24
$227.4M
$1.7B
Q3 24
$221.2M
$2.1B
Q2 24
$178.1M
$2.1B
Q1 24
$121.8M
$2.2B
Total Assets
ATMU
ATMU
GPOR
GPOR
Q4 25
$1.4B
$3.0B
Q3 25
$1.3B
$2.9B
Q2 25
$1.3B
$3.0B
Q1 25
$1.2B
$2.9B
Q4 24
$1.2B
$2.9B
Q3 24
$1.2B
$3.2B
Q2 24
$1.2B
$3.2B
Q1 24
$1.1B
$3.3B
Debt / Equity
ATMU
ATMU
GPOR
GPOR
Q4 25
1.51×
0.43×
Q3 25
1.72×
0.38×
Q2 25
1.85×
0.39×
Q1 25
2.22×
0.42×
Q4 24
2.61×
0.41×
Q3 24
2.70×
0.34×
Q2 24
3.37×
0.32×
Q1 24
4.93×
0.29×

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
GPOR
GPOR
Operating Cash FlowLast quarter
$47.5M
$185.4M
Free Cash FlowOCF − Capex
$31.2M
FCF MarginFCF / Revenue
7.0%
Capex IntensityCapex / Revenue
3.6%
Cash ConversionOCF / Net Profit
0.99×
1.40×
TTM Free Cash FlowTrailing 4 quarters
$148.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ATMU
ATMU
GPOR
GPOR
Q4 25
$47.5M
$185.4M
Q3 25
$82.1M
$209.1M
Q2 25
$44.4M
$231.4M
Q1 25
$28.7M
$177.3M
Q4 24
$20.0M
$148.8M
Q3 24
$70.7M
$189.7M
Q2 24
$22.9M
$123.5M
Q1 24
$-8.2M
$188.0M
Free Cash Flow
ATMU
ATMU
GPOR
GPOR
Q4 25
$31.2M
Q3 25
$68.9M
Q2 25
$32.4M
Q1 25
$16.3M
Q4 24
$10.0M
Q3 24
$54.3M
Q2 24
$11.3M
Q1 24
$-18.8M
FCF Margin
ATMU
ATMU
GPOR
GPOR
Q4 25
7.0%
Q3 25
15.4%
Q2 25
7.1%
Q1 25
3.9%
Q4 24
2.5%
Q3 24
13.5%
Q2 24
2.6%
Q1 24
-4.4%
Capex Intensity
ATMU
ATMU
GPOR
GPOR
Q4 25
3.6%
Q3 25
2.9%
Q2 25
2.6%
Q1 25
3.0%
Q4 24
2.5%
Q3 24
4.1%
Q2 24
2.7%
Q1 24
2.5%
Cash Conversion
ATMU
ATMU
GPOR
GPOR
Q4 25
0.99×
1.40×
Q3 25
1.50×
1.88×
Q2 25
0.74×
1.25×
Q1 25
0.64×
Q4 24
0.50×
Q3 24
1.61×
Q2 24
0.41×
Q1 24
-0.18×
3.61×

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%

GPOR
GPOR

Natural Gas Production$296.9M75%
Other$42.7M11%
Naturalgasliquidsales$35.2M9%
Oil And Condensate$23.4M6%

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