AMT vs CSGP: Which Stock Is the Better Buy?
American Tower Corporation and CoStar Group, Inc. side by side — fundamentals from SEC filings, refreshed nightly. Sector: Real Estate.
AI verdict — AMT vs CSGP, 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.
| American Tower Corporation (AMT) | CoStar Group, Inc. (CSGP) | |
|---|---|---|
| Market cap | $80.8B | $11.7B |
| Revenue (latest FY) | $10.64B | $3.25B |
| Net income (latest FY) | $2.53B | $7.00M |
| Revenue growth (5y CAGR) | 5.8% | 14.4% |
| Net margin | 23.8% | 0.2% |
| Return on equity | 69.3% | 0.1% |
| P/E ratio | 27.9 | 159.8 |
| Dividend yield | 4.0% | — |
| Profitable years (of last 10) | 10 | 10 |
| Positive free cash flow | Yes | Yes |
Verify the comparison
Use the filing period and source shown by each tool before treating two figures as comparable.
See the full AMT vs CSGP 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 AMT's full financials → Open CSGP's full financials →More comparisons
Frequently asked questions
Which is bigger, AMT or CSGP?
American Tower Corporation is larger by market capitalization — $80.8B versus $11.7B.
Which grows faster, AMT or CSGP?
Over the last five fiscal years, CoStar Group, Inc. grew revenue faster — 14.4%/yr versus 5.8%/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.