Stocks / CSGP vs O

CSGP vs O: Which Stock Is the Better Buy?

CoStar Group, Inc. and Realty Income Corporation side by side — fundamentals from SEC filings, refreshed nightly. Sector: Real Estate.

On the fundamentals, O grows revenue faster (28.4% vs 14.4%); O earns a higher net margin (18.4% vs 0.2%); O has the stronger return on equity (2.7% vs 0.1%). On the filings, CSGP carries fewer potential red flags (1 vs 2). Full numbers below — the stronger figure on each row is in green.

AI verdict — CSGP vs O, 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)Realty Income Corporation (O)
Market cap$11.7B
Revenue (latest FY)$3.25B$5.75B
Net income (latest FY)$7.00M$1.06B
Revenue growth (5y CAGR)14.4%28.4%
Net margin0.2%18.4%
Return on equity0.1%2.7%
P/E ratio159.852.4
Dividend yield5.1%
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 O 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 O's full financials →

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Frequently asked questions

Which is bigger, CSGP or O?

Market capitalization data is not available for both companies.

Which grows faster, CSGP or O?

Over the last five fiscal years, Realty Income Corporation grew revenue faster — 28.4%/yr versus 14.4%/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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CSGP fundamentals → · O fundamentals → · All 1,500+ companies → · Free screener →