Epirus

Aerospace and Defense · Redondo Beach, CA · Founded 2018 · Privately Held (backing)

Developer of software-defined high-power microwave technology designed to counter unmanned aircraft systems for national security. Epirus is based in Redondo Beach, CA and was founded in 2018. It is valued at about $1.2 billion as of Oct 2026, set by secondary market price, up 6% since its later-stage round in Mar 2025. It has raised $541 million across 4 recorded rounds; the latest was a $250 million Series D in Mar 2025.

PMV mark · valuation
$1.2B
Oct 2026
Secondary market · $/share
$3
Total raised
$541.3M
Last round
Later Stage VC (Series D)
Mar 2025

Who backs Epirus?

52 investors
InvestorType
US National Science FoundationOther
GaingelsVenture capital
8VCVenture capital
Calm VenturesVenture capital
United States Department of War—
Evolution VC PartnersVenture capital
DCVCVenture capital
StepStone Group—
T. Rowe Price Group—
Chapter OneVenture capital
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Epirus investors

52 investors are on record for Epirus, including US National Science Foundation, Gaingels, 8VC and Calm Ventures. By type, the record holds 18 venture capital firms, 6 family offices and 2 growth equity firms. The Series D in Mar 2025 drew 25 investors.

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