# Leo Cancer Care

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/leo-cancer-care

- Industry: Medical Devices & Equipment
- Headquarters: Crawley, UK
- Website: www.leocancercare.com
- Total disclosed funding: $90M
- Latest round: Series D (Jul 2, 2026)
- Investors on record: 14

## About

Based in Crawley, UK, founded in 2014, Leo Cancer Care Ltd., formerly known as Nano-X, operates as a provider of radiation therapy solutions for patients with cancer. The company was co-founded by Rock Mackie. Currently, Stephen Towe serves as the CEO as of 2026. In July 2026, Leo Cancer Care Ltd. raised USD 65 million in series D funding led by Yu Galaxy, with participation from Eventide Asset Management, Bioshore Ventures, Alumni Ventures Group and WARF Ventures.

The company's line of products includes Marie™ that focuses on a comprehensive solution for upright particle therapy. Aida™ - Radiology is a multi-axis computed tomography imaging solution. "Ruby Photon Therapy" is a real-time, image-guided photon radiotherapy treatment system. Leo Cancer Care also provides QA devices (Quality Assurance) such as QUBEnext, NextQ, QEye, AQuracy, Q360, and QPlus.

The company plans to use the July 2026 funding to scale manufacturing, expand commercial deployment, and continue clinical and product development for its upright cancer care platform across proton therapy, photon therapy, and imaging.

## Funding rounds

- Series D, Jul 2, 2026, $65M — Alumni Ventures Group, Eventide Asset Management, WARF Ventures, Yu Galaxy, Bioshore Ventures
- Series C, Jun 11, 2024 — Wisconsin Alumni Research Foundation, SG Growth Capital, Macmillan Cancer Support
- Series C, Dec 28, 2023 — Alumni Ventures Group
- Series B, Jul 20, 2021, $25M — Serra Ventures, Alumni Ventures Group, Junson Capital, Cosylab d.d., WARF Ventures, Pureland Global Venture, Yu Galaxy, Radiation Business Solutions, Inc., Chiu Ho (China) Medical Technology Co., Ltd.

## Investors

- Serra Ventures (https://capitalatlas.ai/funds/serra-ventures) — Series B
- Alumni Ventures Group (https://capitalatlas.ai/funds/alumni-ventures-group) — Series B, Series C, Series D
- Junson Capital — Series B
- Cosylab d.d. — Series B
- WARF Ventures (https://capitalatlas.ai/funds/warf-ventures) — Series B, Series D
- Pureland Global Venture (https://capitalatlas.ai/funds/pureland-global-venture) — Series B
- Yu Galaxy (https://capitalatlas.ai/funds/yu-galaxy) — Series B, Series D
- Radiation Business Solutions, Inc. — Series B
- Chiu Ho (China) Medical Technology Co., Ltd. — Series B
- Wisconsin Alumni Research Foundation — Series C
- SG Growth Capital (https://capitalatlas.ai/funds/sg-growth-capital) — Series C
- Macmillan Cancer Support — Series C
- Eventide Asset Management (https://capitalatlas.ai/funds/eventide-asset-management) — Series D
- Bioshore Ventures (https://capitalatlas.ai/funds/bioshore-ventures) — Series D