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06 Mar 2025

Epirus Secures $250 Million In Production Funding For Advanced Drone Defence

Epirus Secures $250 Million In Production Funding For Advanced Drone Defence
A posted sign outside an American Air Force base. Image: Senior Airman Ryan Lackey, U.S. Department of Defense
Epirus press release

Epirus announced today an oversubscribed $250 million Series D fundraising round, bringing the company’s total venture funding to more than $550 million and positioning the company to scale production of its Leonidas™ product line to meet growing global demand.  

Leonidas™ is a scalable solid-state, high-energy, high-power microwave (HPM) technology for counter-electronics applications that has been proven effective in Department of Defense testing in countering drones, drone swarms, and other electronics.  

This investment will enable Epirus to grow and acquire the best talent, improve supply chain resiliency, upgrade internal systems and processes, expand into international and commercial markets, and increase the company’s innovation and manufacturing footprint in the U.S.

The round was led by 8VC and Washington Harbour Partners LP, alongside a deep roster of return investors including StepStone Group, funds and accounts advised by T. Rowe Price Investment Management, Inc., Gaingels, and strategic defense partner General Dynamics Land Systems, and new investors including Oppenheimer’s Private Market Opportunities Vista VI Fund, NightDragon, Manhattan Venture Partners, Centaurus Capital LP, Center15 Capital and Protagonist.  

"Our directed EMP is already the best protection against drone swarms today,” said Joe Lonsdale, Epirus Founder and Managing Partner, 8VC. “With our capital and talent and the right partnerships with U.S. Department of Defense to continue to advance Epirus’ technology, it will quickly become critical for defending aircraft, ships and even satellites and space-based platforms—and determinative for the future of warfare.”  

To read more, please click here.

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