United States · 
Who invested in Perseus Defense?
Perseus Defense's investors include Y Combinator, Alumni Ventures, Pioneer Fund and Rebel Fund.
United States · Seed startup
Who invested in Perseus Defense
One round we have observed, with the 4 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.
Funding summaryUpdated 26 Oct 2026
$6.0Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $6.0MSept 2025
- Investors
- 4
The rounds
- Sept 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
These 3 firms list Perseus Defense 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.
Quick answers about Perseus Defense
How much has Perseus Defense raised?
Perseus Defense has raised $6.0M across 1 round since 2025.
When did Perseus Defense last raise?
Perseus Defense's most recent round was a Seed of $6.0M in Sept 2025.
What was Perseus Defense's biggest round?
Its most recent round, $6.0M in Sept 2025, is also its largest on record.
Who backed Perseus Defense first?
Perseus Defense's first round on record, in Sept 2025, was backed by Y Combinator, Alumni Ventures and Pioneer Fund and 1 others.
What stage is Perseus Defense at?
Perseus Defense's latest named round is a Seed, in Sept 2025.
Where is Perseus Defense based?
Perseus Defense is based in the United States.
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In the same sector, and raised in the last eighteen months.
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