United States · Funded startup

Who invested in Phase Four

One round we have observed, with the 0 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.

Aerospace & Space

Funding summaryUpdated 6 Oct 2026

Undisclosedraised across 1 round, from 0 sources

Investors
0
See who backed them

The rounds

    Also claim to have backed them

    These 5 firms list Phase Four as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.

    Western Technology InvestmentVC firmPer its own site
    Dolby Family VenturesVC firmPer its own site
    Industrious VenturesVC firmPer its own site
    AutochromeVC firmPer its own site
    Unmatched VenturesVC firmPer its own site

    Quick answers about Phase Four

    Where is Phase Four based?

    Phase Four is based in the United States.

    Companies like Phase Four

    In the same sector, and raised in the last eighteen months.

    SpaceX$42B · Oct 2026Apex$1.1B · Oct 2026Xona$512M · Oct 2026Jeevy FabricationOct 2026Varda Space Industries$438M · Oct 2026Kapta Space$29M · Oct 2026

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