Filing Flows › Comparisons › CALX vs IRDM
Calix vs Iridium Communications: CALX and IRDM compared
Calix is the larger company: $302M of revenue in its latest quarter (Q3 2026) against $246M for Iridium Communications (Q3 2026). Calix is growing faster (+14% against +8% a year earlier). Iridium Communications is more profitable, with an operating margin of 12.9% against 5.5%.
Where the money goes: CALX and IRDM
Calix (CALX) · Q3 2026
Calix, Q3 2026: revenue $302M (+14% year over year), operating margin 5.5%, net earnings $10.2M, operating cash flow $6.3M. The chart follows the revenue to costs, profit and cash.
Iridium Communications (IRDM) · Q3 2026
Iridium Communications, Q3 2026: revenue $246M (+8% year over year), operating margin 12.9%, net earnings $107M, operating cash flow $95.9M. The chart follows the revenue to costs, profit and cash.
| Calix (CALX) | Iridium Communications (IRDM) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $302M | $246M |
| Revenue growth, Y/Y | +14% | +8% |
| Gross margin | 53.3% | — |
| Operating margin | 5.5% | 12.9% |
| Net earnings | $10.2M | $107M |
| Net margin | 3.4% | 43.5% |
| Operating cash flow | $6.3M | $95.9M |
| Free cash flow | $3.4M | $68.5M |
| Market value | $2.4B | $5.2B |
| P/E | 54.0× | 31.4× |
| Analysts’ mean target | $62.33 | $48.00 |
Where the revenue comes from
Calix
- Appliance: $250M (83%)
- Software and service: $51.9M (17%)
Iridium Communications
- Services: $187M (76%)
- Engineering and support services: $39.2M (16%)
- Subscriber equipment: $19.0M (8%)
Questions
Which is bigger, Calix or Iridium Communications?
Calix is the larger company: $302M of revenue in its latest quarter (Q3 2026) against $246M for Iridium Communications (Q3 2026).
Is Calix or Iridium Communications growing faster?
Calix is growing faster (+14% against +8% a year earlier).
Which is more profitable, Calix or Iridium Communications?
Iridium Communications is more profitable, with an operating margin of 12.9% against 5.5%.
More: Calix earnings · how Calix makes money · Iridium Communications earnings · how Iridium Communications makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 3, 2026; 10-Q filed Oct 20, 2026). Fiscal quarters can end on different dates. Not investment advice.