# Epirus funding: rounds and investors

> Epirus has raised $250M across 3 rounds since 2025. Investors include 8VC, Washington Harbour Partners Lp and Gaingels. Every round with its source.

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

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

# Who invested in *Epirus*

3 rounds we have observed, with the 6 investors named in them. 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 Defence Tech Drones

Valuation: $1.4B, Mar 2026

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Funding summary Updated 5 Nov 2026

**$250M** raised across 3 rounds since 2025, from 6 sources

- **Latest round:** Venture Oct 2025
- **Biggest round:** $250M Series D · Mar 2025
- **Investors:** 6 (2 led)

See who backed them

## The funding story

Each circle is a round, placed by date and sized by amount. The line above is the running total.

2025 2026

**?** Round

**$250M** Series D

**?** Venture

- **First round:** Round
- **Biggest round:** $250M
- **Usual gap between rounds:** 7 months

## The rounds

- **Oct 2025** Venture **Amount undisclosed** *2 new* *3 returning* [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [Gaingels](https://millionrounds.com/fund/gaingels) [8VC](https://millionrounds.com/fund/8vc) [StepStone Group](https://millionrounds.com/fund/stepstone-group) [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) Source recorded
- **Mar 2025** Series D **$250M** *3 new* *1 returning* [8VC](https://millionrounds.com/fund/8vc) Lead [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) Lead [Gaingels](https://millionrounds.com/fund/gaingels) [General Dynamics Land Systems](https://millionrounds.com/fund/general-dynamics-land-systems) Reported by Crunchbase News and 3 others
- **Jan 2025** Round **between $150 million and $200 million** *1 new* [8VC](https://millionrounds.com/fund/8vc) Lead Reported by TechCrunch

## Who was in which round

The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.

**Round** 2025 **Series D** 2025 **Venture** 2025 [8VC](https://millionrounds.com/fund/8vc) L L [Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) L [Gaingels](https://millionrounds.com/fund/gaingels) [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) [StepStone Group](https://millionrounds.com/fund/stepstone-group) [General Dynamics Land Systems](https://millionrounds.com/fund/general-dynamics-land-systems)

## Everyone who backed them

[8VC](https://millionrounds.com/fund/8vc) VC firm **3** rounds, led 2

[Washington Harbour Partners Lp](https://millionrounds.com/fund/washington-harbour-partners-lp) Private equity **2** rounds, led 1

[Gaingels](https://millionrounds.com/fund/gaingels) Private equity **2** rounds

[National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) Government **1** round

[StepStone Group](https://millionrounds.com/fund/stepstone-group) Fund of funds **1** round

[General Dynamics Land Systems](https://millionrounds.com/fund/general-dynamics-land-systems) Corporate VC **1** round

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

## Also claim to have backed them

These 4 firms list Epirus 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.

[Kensington Capital Partners Limited](https://millionrounds.com/fund/kensington-capital-partners-limited) VC firm Per its own site

[Jesse Robbins](https://millionrounds.com/fund/jesse-robbins) VC firm Per its own site

[First Generation Capital](https://millionrounds.com/fund/first-generation-capital) Family office Per its own site

[Hickory Falls Ventures](https://millionrounds.com/fund/hickory-falls-ventures) Family office Per its own site

## Quick answers about Epirus

### Who invested in Epirus?

Epirus's investors include 8VC, Washington Harbour Partners Lp, Gaingels, National Science Foundation and StepStone Group, and 1 more on record.

### How much has Epirus raised?

Epirus has raised $250M across 3 rounds since 2025. 2 rounds did not disclose an amount, so the total is a floor.

### When did Epirus last raise?

Epirus's most recent round was a Venture in Oct 2025.

### What was Epirus's biggest round?

Epirus's largest round on record is $250M (Series D), in Mar 2025, led by 8VC.

### Who backed Epirus first?

Epirus's first round on record, in Jan 2025, was backed by 8VC.

### What stage is Epirus at?

Epirus's latest named round is a Venture, in Oct 2025.

### Where is Epirus based?

Epirus is based in the United States.

### Who led Epirus's rounds?

8VC led the funding round in 2025.

## Companies like Epirus

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

[**Northwood Space** $505M · Nov 2026](https://millionrounds.com/company/northwood-space)[**Iris Technology** Oct 2026](https://millionrounds.com/company/iris-technology)[**Firehawk Aerospace** $150M · Oct 2026](https://millionrounds.com/company/firehawk-aerospace)[**Rendezvous Robotics** $28M · Oct 2026](https://millionrounds.com/company/rendezvous-robotics)[**SpaceX** $42B · Oct 2026](https://millionrounds.com/company/spacex)[**Apex** $1.1B · Oct 2026](https://millionrounds.com/company/apex)

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