Grantchester Group Announces Additional Investment in Maxwell Technologies

May 8, 2025

FOR IMMEDIATE RELEASE

SAN DIEGO, Calif. – May 8, 2025 – Grantchester Group, a leading global private equity firm, announced the successful completion in April, of a follow-on financing for Maxwell Technologies, a leading developer of ultracapacitor-based power solutions. Grantchester Group initially invested in Maxwell/UCAP in January 2021 as the lead and majority investor. The additional investment capital will further strengthen Maxwell/UCAP’s position as a leader in the ultracapacitor sector.

“We are pleased that the Maxwell Technologies financing round was oversubscribed,” said Liz Griggs, CEO and Founder of Grantchester Group and a board member of Maxwell. “The proceeds from this round will be used to accelerate the company’s growth initiatives, including expanding market reach and enhancing operational capabilities.”

Grantchester Group believes that the leadership team at Maxwell/UCAP has strategically positioned the company to become a dominant force in the energy storage industry.

“We are thrilled to have secured this follow-on financing, which will enable us to maintain our momentum and advance our strategic objectives,” said Joel Gibson, CEO of Maxwell/UCAP.

About Grantchester Group

Grantchester Group is a global private equity firm investing in the development and execution of transformational industry strategies of such sectors as energy, healthcare/wellness, and sports. Grantchester’s core thesis is that a myriad of opportunities, and alignment with our partners’ significant operating experience, present the best opportunities for outsized growth and returns. For more information, visit www.grantchestergroup.com.

Contacts         

Company

Liz Griggs, Managing Partner & CEO

info@grantchestergroup.com

858-264-1212

Public Relations

Kelly Sargent

ksargent@grantchestergroup.com