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Private companiesTracked

Inversion

Los Angeles, CA · Founded 2021

Inversion builds Arc, an autonomous reentry spacecraft meant to wait in low Earth orbit and land cargo almost anywhere on Earth in under an hour. It sells Arc to the U.S. military for delivery and for hypersonic flight testing.

Profile

What it builds and who buys it

  • ·Arc is 4 feet wide and 8 feet tall, carries up to 500 pounds of cargo and has 1,000 km of cross-range during reentry.Ars Technica, Oct 1, 2025
  • ·Inversion unveiled Arc in October 2025 and aims to launch the first one by the end of 2026.Ars Technica, Oct 1, 2025
  • ·Its first spacecraft, Ray, launched on SpaceX’s Transporter-12 mission in January 2025. It raised and lowered its orbit but did not make a controlled landing.Ars Technica, Oct 1, 2025
  • ·Arc is also offered as a reusable hypersonic testbed that sustains hypersonic conditions for minutes, with removable payload bays.Inversion
  • ·Kratos Defense & Security Solutions awarded Inversion a contract to support hypersonic testing under the $1.45 billion MACH-TB 2.0 program.Inversion
  • ·Inversion is partnering with Anduril on space-based interceptor work related to Golden Dome.Inversion
  • ·The company has 60 people, a 55,000-square-foot design and manufacturing facility in Los Angeles and a 5-acre test site in the Mojave Desert.Inversion

Founders and leadership

  • Justin FiaschettiCo-founder and chief executive

    Worked as a propulsion engineer on Raptor at SpaceX and on Aeon at Relativity Space. He studied at Boston University and left to co-found Inversion.Inversion

  • Austin BriggsCo-founder

    An early employee at ABL Space Systems, where he was the responsible engineer for the upper stage thrust chamber assembly.Inversion

Funding

Last valuation

No citable valuation

Last round or tender

$44Mraised

Series A, Nov 20, 2024Payload, Nov 21, 2024

Led by Spark Capital and Adjacent, with Lockheed Martin Ventures, Kindred Ventures and Y Combinator. Payload reported total funding of $54 million since 2021. No valuation was stated.

Latest revenue figure

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Valuation to revenue

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Post-money valuation by round

Fewer than two dated figures on file to plot; the table carries what there is.

DateRoundRaisedPost-money
Nov 20, 2024Series ALed by Spark Capital and Adjacent, with Lockheed Martin Ventures, Kindred Ventures and Y Combinator. Payload reported total funding of $54 million since 2021. No valuation was stated.$44M—
Nov 16, 2021SeedLed by Spark Capital, with Y Combinator, Embedded Ventures, FundersClub, Liquid 2 Ventures and angel investors including Kyle Vogt and David Hodge. No valuation was stated.$10M—

Primary capital across the rounds on file: $54M

Revenue

No citable revenue figure on file.

Secondary venues

  • Caplightpublic page seen Oct 15, 2026

    No price on the public page.

    Listed as Inversion Space. The page shows no MarketPrice and says no recent secondary market data is available; the valuation it estimates from round data is an aggregator’s figure and is not recorded.

  • Nasdaq Private Marketpublic page seen Oct 15, 2026

    No price on the public page.

    No price: the page says the company has no publicly available stock price. Its funding table splits the Series A into classes A-1 to A-9, all dated November 21, 2024, with per-share prices and valuations masked.

A venue is listed when its public page named the company on the date shown. A price is the figure that page showed, under the venue’s own name for it and dated as the venue dated it; it is a level the venue publishes, not a trade. Nothing is recorded from behind a login.

Reads

Tracked only. No read has been prepared for this company; the figures above are the record.

Sources

Researched Oct 15, 2026