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Side-by-side financial comparison of CENTURY ALUMINUM CO (CENX) and CoStar Group (CSGP). Click either name above to swap in a different company.

CoStar Group is the larger business by last-quarter revenue ($899.9M vs $633.7M, roughly 1.4× CENTURY ALUMINUM CO). CoStar Group runs the higher net margin — 5.2% vs 0.3%, a 4.9% gap on every dollar of revenue. On growth, CoStar Group posted the faster year-over-year revenue change (26.9% vs 0.4%). CoStar Group produced more free cash flow last quarter ($101.3M vs $67.7M). Over the past eight quarters, CoStar Group's revenue compounded faster (17.1% 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.

CoStar Group, Inc. is an American provider of information, analytics, and marketing services to the commercial property industry in North America and Europe. Founded in 1987 by Andrew C. Florance and based in Arlington, Virginia, the company operates the CoStar online database and news website and several online marketplaces, including Apartments.com and Homes.com.

CENX vs CSGP — Head-to-Head

Bigger by revenue
CSGP
CSGP
1.4× larger
CSGP
$899.9M
$633.7M
CENX
Growing faster (revenue YoY)
CSGP
CSGP
+26.4% gap
CSGP
26.9%
0.4%
CENX
Higher net margin
CSGP
CSGP
4.9% more per $
CSGP
5.2%
0.3%
CENX
More free cash flow
CSGP
CSGP
$33.6M more FCF
CSGP
$101.3M
$67.7M
CENX
Faster 2-yr revenue CAGR
CSGP
CSGP
Annualised
CSGP
17.1%
13.8%
CENX

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
CENX
CENX
CSGP
CSGP
Revenue
$633.7M
$899.9M
Net Profit
$1.8M
$46.5M
Gross Margin
13.0%
78.6%
Operating Margin
5.2%
5.5%
Net Margin
0.3%
5.2%
Revenue YoY
0.4%
26.9%
Net Profit YoY
-96.0%
-22.2%
EPS (diluted)
$0.03
$0.12

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
CSGP
CSGP
Q4 25
$633.7M
$899.9M
Q3 25
$632.2M
$833.6M
Q2 25
$628.1M
$781.3M
Q1 25
$633.9M
$732.2M
Q4 24
$630.9M
$709.4M
Q3 24
$539.1M
$692.6M
Q2 24
$560.8M
$677.8M
Q1 24
$489.5M
$656.4M
Net Profit
CENX
CENX
CSGP
CSGP
Q4 25
$1.8M
$46.5M
Q3 25
$14.9M
$-30.9M
Q2 25
$-4.6M
$6.2M
Q1 25
$29.7M
$-14.8M
Q4 24
$45.2M
$59.8M
Q3 24
$47.3M
$53.0M
Q2 24
$-2.5M
$19.2M
Q1 24
$246.8M
$6.7M
Gross Margin
CENX
CENX
CSGP
CSGP
Q4 25
13.0%
78.6%
Q3 25
12.2%
79.3%
Q2 25
5.8%
78.5%
Q1 25
9.6%
79.1%
Q4 24
10.5%
80.1%
Q3 24
15.2%
79.7%
Q2 24
3.6%
80.0%
Q1 24
3.4%
78.5%
Operating Margin
CENX
CENX
CSGP
CSGP
Q4 25
5.2%
5.5%
Q3 25
9.2%
-6.1%
Q2 25
3.3%
-3.5%
Q1 25
7.3%
-5.8%
Q4 24
7.8%
5.6%
Q3 24
11.8%
3.4%
Q2 24
1.1%
-2.4%
Q1 24
0.4%
-6.5%
Net Margin
CENX
CENX
CSGP
CSGP
Q4 25
0.3%
5.2%
Q3 25
2.4%
-3.7%
Q2 25
-0.7%
0.8%
Q1 25
4.7%
-2.0%
Q4 24
7.2%
8.4%
Q3 24
8.8%
7.7%
Q2 24
-0.4%
2.8%
Q1 24
50.4%
1.0%
EPS (diluted)
CENX
CENX
CSGP
CSGP
Q4 25
$0.03
$0.12
Q3 25
$0.15
$-0.07
Q2 25
$-0.05
$0.01
Q1 25
$0.29
$-0.04
Q4 24
$0.58
$0.14
Q3 24
$0.46
$0.13
Q2 24
$-0.03
$0.05
Q1 24
$2.26
$0.02

Balance Sheet & Financial Strength

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

Metric
CENX
CENX
CSGP
CSGP
Cash + ST InvestmentsLiquidity on hand
$134.2M
$1.6B
Total DebtLower is stronger
$140.0M
Stockholders' EquityBook value
$805.6M
$8.3B
Total Assets
$2.3B
$10.5B
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
CENX
CENX
CSGP
CSGP
Q4 25
$134.2M
$1.6B
Q3 25
$151.4M
$1.9B
Q2 25
$40.7M
$3.6B
Q1 25
$44.9M
$3.7B
Q4 24
$32.9M
$4.7B
Q3 24
Q2 24
$41.3M
Q1 24
$93.5M
Total Debt
CENX
CENX
CSGP
CSGP
Q4 25
$140.0M
Q3 25
$1.0B
Q2 25
$1.0B
Q1 25
$1.0B
Q4 24
$1.0B
Q3 24
$1.0B
Q2 24
$1.0B
Q1 24
$1.0B
Stockholders' Equity
CENX
CENX
CSGP
CSGP
Q4 25
$805.6M
$8.3B
Q3 25
$741.8M
$8.6B
Q2 25
$724.4M
$8.6B
Q1 25
$726.3M
$8.6B
Q4 24
$694.4M
$7.6B
Q3 24
$628.5M
$7.5B
Q2 24
$601.5M
$7.4B
Q1 24
$601.5M
$7.3B
Total Assets
CENX
CENX
CSGP
CSGP
Q4 25
$2.3B
$10.5B
Q3 25
$2.1B
$10.8B
Q2 25
$1.9B
$10.5B
Q1 25
$2.0B
$10.4B
Q4 24
$1.9B
$9.3B
Q3 24
$2.1B
$9.1B
Q2 24
$1.8B
$9.1B
Q1 24
$1.8B
$9.0B
Debt / Equity
CENX
CENX
CSGP
CSGP
Q4 25
0.02×
Q3 25
0.12×
Q2 25
0.12×
Q1 25
0.12×
Q4 24
0.13×
Q3 24
0.13×
Q2 24
0.14×
Q1 24
0.14×

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
CSGP
CSGP
Operating Cash FlowLast quarter
$102.8M
$162.1M
Free Cash FlowOCF − Capex
$67.7M
$101.3M
FCF MarginFCF / Revenue
10.7%
11.3%
Capex IntensityCapex / Revenue
5.5%
6.8%
Cash ConversionOCF / Net Profit
57.11×
3.49×
TTM Free Cash FlowTrailing 4 quarters
$84.8M
$123.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
CENX
CENX
CSGP
CSGP
Q4 25
$102.8M
$162.1M
Q3 25
$2.0M
$68.2M
Q2 25
$7.9M
$146.5M
Q1 25
$72.3M
$53.2M
Q4 24
$-41.4M
$94.6M
Q3 24
$20.1M
$100.3M
Q2 24
$11.5M
$58.1M
Q1 24
$-14.8M
$139.6M
Free Cash Flow
CENX
CENX
CSGP
CSGP
Q4 25
$67.7M
$101.3M
Q3 25
$-18.1M
$-5.5M
Q2 25
$-15.9M
$27.7M
Q1 25
$51.1M
$-500.0K
Q4 24
$-54.6M
$25.2M
Q3 24
$-2.4M
$40.2M
Q2 24
$-5.4M
$-14.7M
Q1 24
$-44.5M
$-237.1M
FCF Margin
CENX
CENX
CSGP
CSGP
Q4 25
10.7%
11.3%
Q3 25
-2.9%
-0.7%
Q2 25
-2.5%
3.5%
Q1 25
8.1%
-0.1%
Q4 24
-8.7%
3.6%
Q3 24
-0.4%
5.8%
Q2 24
-1.0%
-2.2%
Q1 24
-9.1%
-36.1%
Capex Intensity
CENX
CENX
CSGP
CSGP
Q4 25
5.5%
6.8%
Q3 25
3.2%
8.8%
Q2 25
3.8%
15.2%
Q1 25
3.3%
7.3%
Q4 24
2.1%
9.8%
Q3 24
4.2%
8.7%
Q2 24
3.0%
10.7%
Q1 24
6.1%
57.4%
Cash Conversion
CENX
CENX
CSGP
CSGP
Q4 25
57.11×
3.49×
Q3 25
0.13×
Q2 25
23.63×
Q1 25
2.43×
Q4 24
-0.92×
1.58×
Q3 24
0.42×
1.89×
Q2 24
3.03×
Q1 24
-0.06×
20.84×

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%

CSGP
CSGP

Co Star$503.8M56%
Other$283.0M31%
Loop Net$94.7M11%

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