# Epirus

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/epirus

- Industry: Defence
- Headquarters: Redondo Beach, US
- Website: www.epirusinc.com
- Total disclosed funding: $516M
- Latest round: Series D (Mar 5, 2025)
- Investors on record: 26

## About

Epirus Inc., based in the US, specializes in the development of high-power microwave systems for electronic warfare and air defense, providing innovative solutions to counter emerging threats in modern defense environments.Founded in 2018, Epirus Inc. is focused on advanced high-power microwave technology to enhance defense capabilities. The company operates out of Redondo Beach, California, US. The founders include Joe Lonsdale and Grant Verstandig. The company has successfully raised USD 250.000 mn in SERIES D funding as of March 5, 2025, from investors including 8VC, Washington Harbour Partners, and General Dynamics, contributing to a total capital raised of USD 250.000 mn and a current valuation of USD 872.834 mn.Epirus primarily develops advanced high-power microwave (HPM) systems tailored for electronic warfare and air defense. Their flagship product, the Leonidas system, utilizes solid-state long-pulse HPM technology integrated with artificial intelligence to counter drone threats. The product line features software-defined HPM systems deployable on unmanned surface vessels and ground vehicles, serving a client base that includes government bodies, military organizations, and commercial sectors across North America, Europe, and parts of Asia.Epirus generates revenue through contracts with government and military sectors, focusing on direct sales and collaborative agreements for the deployment of their HPM systems. Clients engage in long-term contracts that may include maintenance and upgrades, particularly for the Leonidas technology, ensuring continuous operational support. Their revenue streams are supported by ongoing partnerships within the defense industry.On March 5, 2025, Epirus, Inc. secured USD 250 mn in Series D funding, co-led by 8VC and Washington Harbour Partners, with additional investment from several other firms. This funding will be directed to scaling production capabilities for critical asset protection. The company is actively designing new products to enhance its defense offerings and plans to expand into key markets including Europe and Asia by 2026, addressing the growing demand for modernized defense solutions.

## Funding rounds

- Series D, Mar 5, 2025, $250M — StepStone Group, General Dynamics, Manhattan Venture Partners, 8VC, Gaingels, Oppenheimer, NightDragon, Washington Harbour Partners, Protagonist, T.Rowe Price Investment Management, Centaurus Capital
- Series C, Jan 28, 2022, $191M — T Rowe Price, Parkwood Corporation, StepStone, General Dynamics, I Squared Capital, 8VC, Gaingels, Piedmont Capital Partners, Bedrock, EPIQ Capital Group, Moore Strategic Ventures, Broom Ventures, Red Cell Partners
- Series B, Sep 25, 2020, $57M — Greenspring Associates, 8VC, Fathom Capital, Piedmont Capital Partners, Bedrock, L3Harris Technologies, Inc., Broom Ventures
- Series A, Oct 25, 2019, $17M — Bedrock Capital Partners, Greenspring Associates, 8VC, Fathom Capital, Piedmont Capital Partners, 9Yards Capital

## Investors

- Bedrock Capital Partners (https://capitalatlas.ai/funds/bedrock-capital-partners) — Series A
- Greenspring Associates (https://capitalatlas.ai/funds/greenspring-associates) — Series A, Series B
- 8VC (https://capitalatlas.ai/funds/8vc) — Series A, Series B, Series C, Series D
- Fathom Capital (https://capitalatlas.ai/funds/fathom-capital) — Series A, Series B
- Piedmont Capital Partners — Series A, Series B, Series C
- 9Yards Capital (https://capitalatlas.ai/funds/9yards-capital) — Series A
- Bedrock (https://capitalatlas.ai/funds/bedrock) — Series B, Series C
- L3Harris Technologies, Inc. — Series B
- Broom Ventures (https://capitalatlas.ai/funds/broom-ventures) — Series B, Series C
- T Rowe Price (https://capitalatlas.ai/funds/t-rowe-price) — Series C
- Parkwood Corporation — Series C
- StepStone (https://capitalatlas.ai/funds/stepstone) — Series C
- General Dynamics — Series C, Series D
- I Squared Capital (https://capitalatlas.ai/funds/i-squared-capital) — Series C
- Gaingels (https://capitalatlas.ai/funds/gaingels) — Series C, Series D
- EPIQ Capital Group — Series C
- Moore Strategic Ventures (https://capitalatlas.ai/funds/moore-strategic-ventures) — Series C
- Red Cell Partners (https://capitalatlas.ai/funds/red-cell-partners) — Series C
- StepStone Group — Series D
- Manhattan Venture Partners (https://capitalatlas.ai/funds/manhattan-venture-partners) — Series D
- Oppenheimer — Series D
- NightDragon (https://capitalatlas.ai/funds/nightdragon) — Series D
- Washington Harbour Partners (https://capitalatlas.ai/funds/washington-harbour-partners) — Series D
- Protagonist (https://capitalatlas.ai/funds/protagonist) — Series D
- T.Rowe Price Investment Management — Series D
- Centaurus Capital — Series D