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Side-by-side financial comparison of CENTURY ALUMINUM CO (CENX) and GULFPORT ENERGY CORP (GPOR). Click either name above to swap in a different company.

CENTURY ALUMINUM CO is the larger business by last-quarter revenue ($633.7M vs $398.2M, roughly 1.6× GULFPORT ENERGY CORP). GULFPORT ENERGY CORP runs the higher net margin — 33.3% vs 0.3%, a 33.0% gap on every dollar of revenue. On growth, GULFPORT ENERGY CORP posted the faster year-over-year revenue change (66.0% vs 0.4%). Over the past eight quarters, GULFPORT ENERGY CORP's revenue compounded faster (18.6% CAGR vs 13.8%).

Century Aluminum Company is a US-based producer of primary aluminum, with aluminum plants in Kentucky, South Carolina and Iceland. It is the largest producer of primary aluminum in the United States. The company is a publicly held corporation listed on the NASDAQ. The headquarters is at One South Wacker in Chicago.

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.

CENX vs GPOR — Head-to-Head

Bigger by revenue
CENX
CENX
1.6× larger
CENX
$633.7M
$398.2M
GPOR
Growing faster (revenue YoY)
GPOR
GPOR
+65.6% gap
GPOR
66.0%
0.4%
CENX
Higher net margin
GPOR
GPOR
33.0% more per $
GPOR
33.3%
0.3%
CENX
Faster 2-yr revenue CAGR
GPOR
GPOR
Annualised
GPOR
18.6%
13.8%
CENX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CENX
CENX
GPOR
GPOR
Revenue
$633.7M
$398.2M
Net Profit
$1.8M
$132.4M
Gross Margin
13.0%
76.6%
Operating Margin
5.2%
44.9%
Net Margin
0.3%
33.3%
Revenue YoY
0.4%
66.0%
Net Profit YoY
-96.0%
148.5%
EPS (diluted)
$0.03
$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
CENX
CENX
GPOR
GPOR
Q4 25
$633.7M
$398.2M
Q3 25
$632.2M
$379.7M
Q2 25
$628.1M
$447.6M
Q1 25
$633.9M
$197.0M
Q4 24
$630.9M
$239.9M
Q3 24
$539.1M
$253.9M
Q2 24
$560.8M
$181.1M
Q1 24
$489.5M
$283.2M
Net Profit
CENX
CENX
GPOR
GPOR
Q4 25
$1.8M
$132.4M
Q3 25
$14.9M
$111.4M
Q2 25
$-4.6M
$184.5M
Q1 25
$29.7M
$-464.0K
Q4 24
$45.2M
$-273.2M
Q3 24
$47.3M
$-14.0M
Q2 24
$-2.5M
$-26.2M
Q1 24
$246.8M
$52.0M
Gross Margin
CENX
CENX
GPOR
GPOR
Q4 25
13.0%
76.6%
Q3 25
12.2%
74.6%
Q2 25
5.8%
80.7%
Q1 25
9.6%
57.9%
Q4 24
10.5%
63.2%
Q3 24
15.2%
64.6%
Q2 24
3.6%
52.2%
Q1 24
3.4%
69.4%
Operating Margin
CENX
CENX
GPOR
GPOR
Q4 25
5.2%
44.9%
Q3 25
9.2%
41.9%
Q2 25
3.3%
56.0%
Q1 25
7.3%
6.1%
Q4 24
7.8%
-131.3%
Q3 24
11.8%
5.7%
Q2 24
1.1%
-10.0%
Q1 24
0.4%
28.9%
Net Margin
CENX
CENX
GPOR
GPOR
Q4 25
0.3%
33.3%
Q3 25
2.4%
29.3%
Q2 25
-0.7%
41.2%
Q1 25
4.7%
-0.2%
Q4 24
7.2%
-113.9%
Q3 24
8.8%
-5.5%
Q2 24
-0.4%
-14.5%
Q1 24
50.4%
18.4%
EPS (diluted)
CENX
CENX
GPOR
GPOR
Q4 25
$0.03
$7.98
Q3 25
$0.15
$4.45
Q2 25
$-0.05
$9.12
Q1 25
$0.29
$-0.07
Q4 24
$0.58
$-14.72
Q3 24
$0.46
$-0.83
Q2 24
$-0.03
$-1.51
Q1 24
$2.26
$2.34

Balance Sheet & Financial Strength

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

Metric
CENX
CENX
GPOR
GPOR
Cash + ST InvestmentsLiquidity on hand
$134.2M
$1.8M
Total DebtLower is stronger
$788.2M
Stockholders' EquityBook value
$805.6M
$1.8B
Total Assets
$2.3B
$3.0B
Debt / EquityLower = less leverage
0.43×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CENX
CENX
GPOR
GPOR
Q4 25
$134.2M
$1.8M
Q3 25
$151.4M
$3.4M
Q2 25
$40.7M
$3.8M
Q1 25
$44.9M
$5.3M
Q4 24
$32.9M
$1.5M
Q3 24
$3.2M
Q2 24
$41.3M
$1.2M
Q1 24
$93.5M
$8.2M
Total Debt
CENX
CENX
GPOR
GPOR
Q4 25
$788.2M
Q3 25
$691.7M
Q2 25
$695.2M
Q1 25
$700.4M
Q4 24
$702.9M
Q3 24
$694.4M
Q2 24
$679.5M
Q1 24
$636.4M
Stockholders' Equity
CENX
CENX
GPOR
GPOR
Q4 25
$805.6M
$1.8B
Q3 25
$741.8M
$1.8B
Q2 25
$724.4M
$1.8B
Q1 25
$726.3M
$1.7B
Q4 24
$694.4M
$1.7B
Q3 24
$628.5M
$2.1B
Q2 24
$601.5M
$2.1B
Q1 24
$601.5M
$2.2B
Total Assets
CENX
CENX
GPOR
GPOR
Q4 25
$2.3B
$3.0B
Q3 25
$2.1B
$2.9B
Q2 25
$1.9B
$3.0B
Q1 25
$2.0B
$2.9B
Q4 24
$1.9B
$2.9B
Q3 24
$2.1B
$3.2B
Q2 24
$1.8B
$3.2B
Q1 24
$1.8B
$3.3B
Debt / Equity
CENX
CENX
GPOR
GPOR
Q4 25
0.43×
Q3 25
0.38×
Q2 25
0.39×
Q1 25
0.42×
Q4 24
0.41×
Q3 24
0.34×
Q2 24
0.32×
Q1 24
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
CENX
CENX
GPOR
GPOR
Operating Cash FlowLast quarter
$102.8M
$185.4M
Free Cash FlowOCF − Capex
$67.7M
FCF MarginFCF / Revenue
10.7%
Capex IntensityCapex / Revenue
5.5%
Cash ConversionOCF / Net Profit
57.11×
1.40×
TTM Free Cash FlowTrailing 4 quarters
$84.8M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CENX
CENX
GPOR
GPOR
Q4 25
$102.8M
$185.4M
Q3 25
$2.0M
$209.1M
Q2 25
$7.9M
$231.4M
Q1 25
$72.3M
$177.3M
Q4 24
$-41.4M
$148.8M
Q3 24
$20.1M
$189.7M
Q2 24
$11.5M
$123.5M
Q1 24
$-14.8M
$188.0M
Free Cash Flow
CENX
CENX
GPOR
GPOR
Q4 25
$67.7M
Q3 25
$-18.1M
Q2 25
$-15.9M
Q1 25
$51.1M
Q4 24
$-54.6M
Q3 24
$-2.4M
Q2 24
$-5.4M
Q1 24
$-44.5M
FCF Margin
CENX
CENX
GPOR
GPOR
Q4 25
10.7%
Q3 25
-2.9%
Q2 25
-2.5%
Q1 25
8.1%
Q4 24
-8.7%
Q3 24
-0.4%
Q2 24
-1.0%
Q1 24
-9.1%
Capex Intensity
CENX
CENX
GPOR
GPOR
Q4 25
5.5%
Q3 25
3.2%
Q2 25
3.8%
Q1 25
3.3%
Q4 24
2.1%
Q3 24
4.2%
Q2 24
3.0%
Q1 24
6.1%
Cash Conversion
CENX
CENX
GPOR
GPOR
Q4 25
57.11×
1.40×
Q3 25
0.13×
1.88×
Q2 25
1.25×
Q1 25
2.43×
Q4 24
-0.92×
Q3 24
0.42×
Q2 24
Q1 24
-0.06×
3.61×

Financial Flow Comparison

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

Revenue Breakdown by Segment

CENX
CENX

Aluminum$566.3M89%
Alumina$67.4M11%

GPOR
GPOR

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

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