Business · Markets · 5 hrs ago
T-Mobile shares fall after SpaceX agrees to buy spectrum licenses
T-Mobile shares fell 13.27% on Friday, their steepest one-day decline since 2013, after SpaceX agreed to buy wireless spectrum licenses from Grain Management.
AT&T and Verizon shares also dropped sharply.
The licenses cover up to 14 megahertz of spectrum in the 800 MHz band, a range of radio frequencies used for wireless communications.
SpaceX has been moving toward a standalone mobile service, with plans for ground-based equipment such as cell towers as well as its satellite network.
The deal has raised the prospect of a fourth major mobile carrier in the United States, though T-Mobile's technology chief argued that owning spectrum alone is not enough to compete.
SpaceX still needs Federal Communications Commission approval to complete the purchase.
The company has not said when a mobile service using the new spectrum could reach customers.
T-Mobile shares fell 13.27% on Friday after SpaceX agreed to acquire a nationwide portfolio of 800 MHz spectrum licenses from Grain Management.
The decline was T-Mobile’s worst single-day fall since 2013.
The deal requires approval from the Federal Communications Commission before it can close.
T-Mobile Chief Technology Officer John Saw argued that owning spectrum alone is not enough to compete in mobile communications.
FCC Chair Brendan Carr described the deal as a sign of healthy competition.
- Who
- SpaceX agreed to buy spectrum licenses from Grain Management. T-Mobile shares fell after the announcement.
- What
- SpaceX agreed to acquire a nationwide portfolio of 800 MHz spectrum licenses.
- When
- The agreement was announced on Friday; the article was published October 12, 2026.
- Where
- The licenses cover a nationwide U.S. spectrum portfolio.
- Why
- The deal raised the prospect of a fourth major U.S. mobile carrier.
T-Mobile Chief Technology Officer John Saw
FCC Chair Brendan Carr
Spectrum and competition
T-Mobile Chief Technology Officer John Saw
Saw argued that spectrum ownership alone is not enough to compete and pointed to limits on satellite coverage.
FCC Chair Brendan Carr
Carr said the deal reflected healthy competition and that companies would try to out-compete and innovate.
Grain Management acquired the spectrum portfolio from T-Mobile in exchange for cash and its own 600 MHz spectrum.
SpaceX outlined plans to build a terrestrial mobile network on its debut earnings call.
SpaceX announced its agreement to acquire Grain Management’s nationwide 800 MHz spectrum portfolio, and T-Mobile shares fell 13.27%.
T-Mobile shares were up 1% in premarket trading, according to Barron's.
- T-Mobile share decline
- 13.27% on Friday
- Spectrum band
- 800 MHz
- Spectrum coverage
- Up to 14 megahertz of paired spectrum
- Required approval
- Federal Communications Commission
- SpaceX spectrum holdings
- About 80 megahertz, compared with T-Mobile’s roughly 400 megahertz
What people are saying
Spectrum is just the starting point
We're probably going to bring over $100 billion of spectrum into the market over the next two years, so we're seeing a lot of competition
But having spent decades building wireless networks here on Earth, I can tell you there's a big difference between owning spectrum and delivering a great mobile experience to millions of customers.
Sources
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