Which has the lower trailing P/E, IRDM or Z?

IRDM has the lower trailing P/E: IRDM trades at 54.92 and Z at 124.22. 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 (1.27% 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 21.95% and Z delivered -0.39% annualized total return. Past performance doesn't predict future results.

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 September 13, 2026. Differences are shown without an overall score or investment verdict.

IRDM

Iridium Communications Inc.

$5.12B

$48.33Communication ServicesDelayed quote: Sep 28, 2026, 4:00 PM EDT

Zillow Group, Inc. Class C

$6.59B

$27.44Communication ServicesDelayed quote: Sep 28, 2026, 4:00 PM EDT

Total return — IRDM vs Z

growth of $100 · dividends reinvested · last 10y

IRDM +570.9% (+21.0%/yr)Z -3.9% (-0.4%/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 ($6.59B vs $5.12B market cap).
•IRDM trades at the lower trailing earnings multiple (54.92 vs 124.22 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 (1.27% yield), while Z has no payments in the available dividend history.

Metrics side by side

Valuation

Metric	IRDM	Z
P/E ratio	54.92	124.22
Forward P/E	50.81	N/A
P/S ratio	5.79	2.35
P/B ratio	10.84	1.53
EV / EBITDA	15.82	23.25
FCF yield	5.63%	3.79%

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	6.43%	0.23%

Dividends

Metric	IRDM	Z
Dividend yield	1.27%	N/A
Payout ratio	68.18%	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)	1.34%	-19.17%

Frequently asked

Which has the lower trailing P/E, IRDM or Z?: IRDM has the lower trailing P/E: IRDM trades at 54.92 and Z at 124.22. 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 (1.27% 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 21.95% and Z delivered -0.39% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IRDM analysis Full Z analysis Interactive comparison tool

Dig into the metrics

Iridium Communications P/E ratio Zillow Group P/E ratio Iridium Communications dividend yield Iridium Communications ROE Zillow Group ROE Iridium Communications operating margin Zillow Group operating margin Iridium Communications revenue growth Zillow Group revenue growth Iridium Communications free cash flow Zillow Group free cash flow

Iridium Communications & Zillow Group appear in these rankings

Highest FCF Yield Stocks Highest 10-Year Total Return Stocks

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 September 13, 2026.