CoStar vs Zillow Group
CoStar is the larger business, with $3.25bn of revenue in fiscal 2025 against $2.58bn for Zillow Group (1.3 times as much). CoStar grew faster (18.7% against 15.5%). Zillow Group kept more of each dollar of sales as profit: a net margin of 0.9% against 0.2%. Zillow Group carries less debt relative to equity (7.5% against 11.9%).
| Latest fiscal year | CoStarCSGP, 2025 | Zillow GroupZ, 2025 |
|---|---|---|
| Revenue | $3.25bn | $2.58bn |
| Revenue growth | 18.7% | 15.5% |
| Net income | $7.0m | $23.0m |
| Operating margin | -2.2% | -1.3% |
| Net margin | 0.2% | 0.9% |
| Return on equity | 0.1% | 0.5% |
| Free cash flow | $123m | $235m |
| Cash | $1.63bn | $768m |
| Total debt | $993m | $364m |
| Debt to equity | 11.9% | 7.5% |
| Dividend per share | — | — |
| Dividend yield | — | — |
| Share buybacks | $500m | $670m |
| Employees | 6,593 | 6,263 |
| Market value | $12.60bn | $7.10bn |
| Price vs our value range | — | — |
| Moat score | 60 (Moderate) | 53 (Moderate) |
| Insider trades, 12 months | 7 buys, 4 sales | 0 buys, 100 sales |