Stocks / CSGP vs SPG

CSGP vs SPG: Which Stock Is the Better Buy?

CoStar Group, Inc. and Simon Property Group, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Real Estate.

On the fundamentals, CSGP grows revenue faster (14.4% vs 6.7%); SPG earns a higher net margin (84.3% vs 0.2%); SPG has the stronger return on equity (103.0% vs 0.1%). Both carry 1 potential red flag in the filings. Full numbers below — the stronger figure on each row is in green.

AI verdict — CSGP vs SPG, read from the filings

The stronger business, the cheaper stock, and the risks — synthesised from both companies’ SEC filings, every figure computed not guessed. Not investment advice.

 CoStar Group, Inc. (CSGP)Simon Property Group, Inc. (SPG)
Market cap$11.7B
Revenue (latest FY)$3.25B$6.36B
Net income (latest FY)$7.00M$5.36B
Revenue growth (5y CAGR)14.4%6.7%
Net margin0.2%84.3%
Return on equity0.1%103.0%
P/E ratio159.816.0
Dividend yield3.8%
Profitable years (of last 10)1010
Positive free cash flowYesYes

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Use the filing period and source shown by each tool before treating two figures as comparable.

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See the full CSGP vs SPG breakdown

Both companies across 19 years of income statement, balance sheet and cash flow — with ratios, health checks and Ask, the SEC-grounded research assistant. Free, no account needed.

Open CSGP's full financials →   Open SPG's full financials →

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Frequently asked questions

Which is bigger, CSGP or SPG?

Market capitalization data is not available for both companies.

Which grows faster, CSGP or SPG?

Over the last five fiscal years, CoStar Group, Inc. grew revenue faster — 14.4%/yr versus 6.7%/yr, computed from SEC-filed statements.

Where does this data come from?

All figures are computed from official SEC filings (10-K), refreshed nightly. This is a data comparison, not investment advice.

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