# Perseus Defense funding: rounds and investors

> Perseus Defense has raised $6.0M across 1 round since 2025. Investors include Y Combinator, Alumni Ventures and Pioneer Fund. Every round with its source.

Source: https://millionrounds.com/company/perseus-defense (Millionrounds; every figure on the page links to its filing or article)

United States · [Seed startup](https://millionrounds.com/companies)

# 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.

Drones

Funding summary Updated 26 Oct 2026

**$6.0M** raised across 1 round since 2025, from 1 source

- **Latest round:** Seed, $6.0M Sept 2025
- **Investors:** 4

See who backed them

## The rounds

- **Sept 2025** Seed **$6.0M** [Y Combinator](https://millionrounds.com/fund/y-combinator) [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) [Rebel Fund](https://millionrounds.com/fund/rebel-fund) Source recorded

## Everyone who backed them

[Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **1** round

[Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) VC firm **1** round

[Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) Private equity **1** round

[Rebel Fund](https://millionrounds.com/fund/rebel-fund) VC firm **1** round

Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=perseus-defense).

## 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.

[Lobster Capital](https://millionrounds.com/fund/lobster-capital) VC firm Per its own site

[Maiora Ventures](https://millionrounds.com/fund/maiora-ventures) VC firm Per its own site

[Sparkwave Capital](https://millionrounds.com/fund/sparkwave-capital) Growth equity Per its own site

## Quick answers about Perseus Defense

### Who invested in Perseus Defense?

Perseus Defense's investors include Y Combinator, Alumni Ventures, Pioneer Fund and Rebel Fund.

### 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.

## Companies like Perseus Defense

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

[**Mach Industries** $1.0B · Sept 2026](https://millionrounds.com/company/mach-industries)[**Castelion** $1.3B · Aug 2026](https://millionrounds.com/company/castelion)[**Neros Technologies** $325M · Aug 2026](https://millionrounds.com/company/neros-technologies)[**Aurelius Systems** $50M · Aug 2026](https://millionrounds.com/company/aurelius-systems)[**SkyPSI** $5.0M · Aug 2026](https://millionrounds.com/company/skypsi)[**Shield AI** $4.0B · Jul 2026](https://millionrounds.com/company/shield-ai)

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