Iridium Communications Inc. (IRDM) vs Zillow Group, Inc. Class C (Z)
A side-by-side comparison of Iridium Communications Inc. and Zillow Group, Inc. Class C across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of August 14, 2026. Differences are shown without an overall score or investment verdict.
IRDM
Iridium Communications Inc.
$50.20Communication ServicesDelayed quote: Aug 14, 2026, 4:00 PM EDT
Z
Zillow Group, Inc. Class C
$34.78Communication ServicesDelayed quote: Aug 14, 2026, 4:00 PM EDT
Total return — IRDM vs Z
growth of $100 · dividends reinvested · last 10yIRDM +524.0% (+20.1%/yr)Z +1.0% (+0.1%/yr)IRDM compounded faster over this window
Log scale — wide-divergence pair
IRDM Z
IRDM vs Z: by the numbers
- •Z is the larger company ($8.36B vs $5.32B market cap).
- •IRDM trades at the lower trailing earnings multiple (56.57 vs 162.61 P/E), one valuation lens rather than an overall verdict.
- •IRDM converts more revenue to profit (10.55% vs 1.96% net margin).
- •Z grew revenue faster over the past five years (9.73% vs 8.27% CAGR).
- •IRDM pays a dividend (1.21% yield), while Z has no payments in the available dividend history.
Metrics side by side
Valuation
| Metric | IRDM | Z |
|---|---|---|
| P/E ratio | 56.57 | 162.61 |
| Forward P/E | 48.52 | N/A |
| P/S ratio | 6.11 | 2.91 |
| P/B ratio | 11.43 | 1.90 |
| EV / EBITDA | 16.48 | 28.88 |
| FCF yield | 5.34% | 3.05% |
Profitability
| Metric | IRDM | Z |
|---|---|---|
| Gross margin | 70.39% | 72.88% |
| Operating margin | 23.76% | 0.43% |
| Net margin | 10.55% | 1.96% |
| ROE | 19.74% | 1.28% |
| ROIC | 7.83% | -0.55% |
Dividends
| Metric | IRDM | Z |
|---|---|---|
| Dividend yield | 1.21% | N/A |
| Payout ratio | 56.07% | N/A |
Growth (annualized)
| Metric | IRDM | Z |
|---|---|---|
| Revenue CAGR (5Y) | 8.27% | 9.73% |
| FCF CAGR (5Y) | 4.45% | -5.73% |
| Total return CAGR (5Y) | 5.51% | -17.92% |
Frequently asked
- Which has the lower trailing P/E, IRDM or Z?
- IRDM has the lower trailing P/E: IRDM trades at 56.57 and Z at 162.61. P/E is one valuation measure and does not by itself establish which business is cheaper.
- Which has grown faster, IRDM or Z?
- Over the past five years, Z grew revenue faster — IRDM at a 8.27% CAGR versus Z at 9.73%.
- Does IRDM or Z pay a bigger dividend?
- IRDM pays a dividend (1.21% yield), while Z has no payments in the available dividend history.
- Is IRDM or Z more profitable?
- IRDM runs the higher net margin — IRDM at 10.55% versus Z at 1.96%.
- How have IRDM and Z total returns compared?
- Over the past 10 years, IRDM delivered 20.09% and Z delivered 0.20% annualized total return. Past performance doesn't predict future results.
Go deeper
Dig into the metrics
Iridium Communications P/E ratioZillow Group P/E ratioIridium Communications dividend yieldIridium Communications ROEZillow Group ROEIridium Communications operating marginZillow Group operating marginIridium Communications revenue growthZillow Group revenue growthIridium Communications free cash flowZillow Group free cash flow
Iridium Communications & Zillow Group appear in these rankings
Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified August 14, 2026.