Sectivia

AST SpaceMobilevs.Viasat

ASTS vs VSAT · both in Space industry & satellites, part of the Defense, security & space value chain: Launch, satellite communications and space systems, civil and military.

AST SpaceMobile is about 2.3× larger than Viasat by market cap; year to date, Viasat leads (+109.7% vs −14.2%).

Side by side

ASTSVSAT
Market cap$27.9B$12B
Price$62.01$72.46
Today−0.5%+0.3%
Return YTD−14.2%+109.7%
Return 1Y+32.5%+158.8%
P/E
P/S328.22.6
P/B13.42.6

Data as of 2026-08-26 · updates daily after U.S. close

The two companies

AST SpaceMobileASTS

NASDAQ · USA

The idea is a satellite that an ordinary mobile phone can talk to directly. AST SpaceMobile is still building out the constellation.

Satellite communicationsDirect-to-cellSpace connectivity
Full ASTS profile →

ViasatVSAT

NASDAQ · USA

Satellite broadband for aircraft cabins and remote areas, plus secure links for defense customers.

Satellite communicationsDefense exposureConnectivity
Full VSAT profile →

More ASTS & VSAT comparisons

Other head-to-heads in the Space industry & satellites segment.

See where ASTS and VSAT sit in the full Defense, security & space map: every segment from suppliers to end markets.Open the Defense value chain →