Iridium Communicationsvs.Viasat
IRDM vs VSAT · both in Space industry & satellites, part of the Defense, security & space value chain: Launch, satellite communications and space systems, civil and military.
Viasat is about 2.3× larger than Iridium Communications by market cap; year to date, Iridium Communications leads (+172.2% vs +109.7%).
Side by side
| IRDM | VSAT | |
|---|---|---|
| Market cap | $5.3B | $12B |
| Price | $47.10 | $72.46 |
| Today | −0.4% | +0.3% |
| Return YTD | +172.2% | +109.7% |
| Return 1Y | +89.4% | +158.8% |
| P/E | 57.2 | — |
| P/S | 6.0 | 2.6 |
| P/B | 11.3 | 2.6 |
Data as of 2026-08-26 · updates daily after U.S. close
The two companies
Iridium CommunicationsIRDM
Global coverage is the whole proposition. Iridium's network reaches every point on earth, from ships at sea to IoT sensors, with defense among its customers.
Full IRDM profile →ViasatVSAT
Satellite broadband for aircraft cabins and remote areas, plus secure links for defense customers.
Full VSAT profile →More IRDM & VSAT comparisons
Other head-to-heads in the Space industry & satellites segment.
See where IRDM and VSAT sit in the full Defense, security & space map: every segment from suppliers to end markets.Open the Defense value chain →