Epirus key facts
as of Oct 2026- Developer of software-defined high-power microwave technology designed to counter unmanned aircraft systems for national security.
- Epirus is valued at approximately $1.2B (~$3/share on the secondary market) as of Oct 2026, up 6% since its later-stage round, Mar 2025, per PrivateMarketView’s mark.
- It has raised $541.3M across 4 recorded rounds; the latest was Later Stage VC (Series D) ($249.8M) in Mar 2025.
- Notable investors include US National Science Foundation, Gaingels, 8VC, Calm Ventures, United States Department of War — 52 tracked in total.
- 1 institutional filer reports fund marks on Epirus across 4 filings.
- Epirus has filed 3 Form Ds with the SEC since 2019, most recently Feb 2022 ($190.8M sold to 35 investors).
- Status: Privately Held (backing).
Up 6% since its later-stage round, Mar 2025 ($1.1B post-money).
- ·The complete investor list: 52 names
- ·Watch Epirus: the Monday email on marks, rounds and moves
Secondary market
monthly marks · 34 months · Jan 2024 – Oct 2026Membership and data by Private Market View
Institutional fund marks on Epirus
1 filers · latest Jun 20261 SEC-registered fund reported 4 fair-value marks on Epirus between Sep 2025 and Jun 2026. Filer-level marks and implied $/share are available to Pro members.
Membership and data by Private Market View
Epirus funding rounds
4 roundsWho backs Epirus
52+Epirus valuation
Epirus is valued at approximately $1.2 billion as of Oct 2026. The figure is set by secondary market price. The secondary market quotes about $3 per share. The reference point is its later-stage round in Mar 2025, at a $1.1 billion post-money valuation; the current figure is up 6% since.
Epirus ranks 65th by valuation and 72nd by capital raised among the private companies PrivateMarketView tracks.
How much has Epirus raised?
Epirus has raised $541 million across 4 recorded rounds since 2019. The largest was a $57.3 million later-stage round in Sep 2020; the most recent was a $250 million Series D in Mar 2025.
Epirus has filed 3 Form Ds with the SEC since 2019, most recently in Feb 2022 ($191 million sold to 35 investors).
Epirus secondary market activity
A monthly secondary-market price series for Epirus runs from Jan 2024 to Oct 2026 (34 months).
Institutional holders and vehicles
1 SEC-registered fund reported 4 fair-value marks on Epirus between Sep 2025 and Jun 2026, in their N-PORT filings. The latest fund marks sit apart from the current valuation. Filer-level marks and implied per-share values are available to Pro members.
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.
Comparable companies
Comparable aerospace and defense names by valuation on PrivateMarketView: Boom Supersonic ($1.6 billion), Skyryse ($1.1 billion) and Forterra ($1 billion).
About Epirus
Developer of software-defined high-power microwave technology designed to counter unmanned aircraft systems for national security. The company creates solid-state, software-defined directed energy systems that address threats such as drones and other asymmetric technologies to optimize power efficiency in defense and commercial applications, enabling defense organizations to stun drones with a hard reset or knock swarms out of the sky.
- Industry
- Aerospace and Defense
- Sector
- Government and Military
- HQ
- Redondo Beach, CA, United States
- Founded
- 2018
- Employees
- 236
- Website
- epirusinc.com/
- Ownership
- Privately Held (backing)
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