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Deal Roundup: Grain Management sells $8bn spectrum portfolio to SpaceX; Audux exits Rensa Filtration

Reported by Altassets
Oct 9, 2026· 2 min read
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Key Takeaways
  • • SpaceX has agreed to acquire a nationwide portfolio of 800 MHz wireless spectrum licences from digital infrastructure investor Grain Management in a transaction valued at about $8bn, according to Reuters.
  • • The deal covers 100% of Grain's low-band spectrum holdings, a strategically significant asset base for SpaceX's wireless ambitions.
  • • The spectrum will support the development of Starlink Mobile, a service that aims to combine satellite and terrestrial connectivity.
  • • The same roundup reports that Audux has exited its position in Rensa Filtration.
Summary
SpaceX has agreed to acquire a nationwide portfolio of 800 MHz wireless spectrum licences from digital infrastructure investment firm Grain Management, in a transaction valued at approximately $8bn, according to Reuters. The agreement encompasses 100% of Grain's low-band spectrum holdings, giving SpaceX control of a nationwide licence base at a scale that few private buyers could assemble.

The acquisition is intended to underpin the development of Starlink Mobile, a SpaceX service that aims to combine satellite and wireless connectivity. Low-band spectrum is generally valued for its propagation and building-penetration characteristics, which make it well suited to broad coverage, and the purchase positions SpaceX to pursue that objective through owned licences rather than leased capacity.

The deal is reported in an AltAssets roundup that also notes Audux's exit from Rensa Filtration. The source material available for this summary does not provide further detail on the terms or rationale of that exit.

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Sources

1 outlet

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Altassets Deal Roundup: Grain Management sells $8bn spectrum portfolio to SpaceX; Audux exits Rensa Filtration