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Boom Supersonic

Defense, Aerospace & Space · Denver, Colorado · Private

Boom designs a proposed supersonic airliner and the systems required to bring it to market.

$1.5B–$1.8BLatest valuationReported Series B-1 valuation range
PrivatePublic statusNo confirmed listing
AerospaceBusiness focusCompany profile
Sep 2026Profile updatedEditorial review

The Company

Boom Supersonic is building Overture, a proposed Mach 1.7 commercial airliner, alongside the manufacturing and propulsion program needed to certify it. Its XB-1 demonstrator has provided a visible technology milestone, but Overture still faces the far harder work of commercial certification and industrial ramp.

The company disclosed a $100 million Series B in 2019 and says it has raised more than $700 million of investment and other capital. A $1.5 billion to $1.8 billion Series B-1 valuation has been reported by private-market data providers, rather than announced by Boom as a completed priced transaction.

Why It Matters

Boom is a useful test of whether private capital can finance a clean-sheet commercial aircraft program outside established aerospace primes. Its progress also matters for suppliers, airports and airlines considering a return of premium supersonic routes.

Valuation History

  1. Raised $100M · valuation undisclosed→Jan 2019Series BSource ↗

What Changed

  1. XB-1 completed a supersonic flight, a key demonstrator milestone before Overture certification.

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