Funding

ZAP Surgical Systems Raises $36M in Funding

Oct 20, 2026 | By Devin Jacobs

ZAP Surgical Systems Raises $36M in Funding

SUMMARY

  • ZAP Surgical Systems raised $36 million.
  • The funds will support global expansion and production.
  • ZAP develops robotic systems for brain surgery.

ZAP Surgical Systems, Inc., a San Carlos, CA-based provider of non-invasive robotic brain surgery platforms, has raised $36 million in a funding round.

The round was led by Catalio Capital Management, with participation from Baheal.

The company will use the funds to expand its robotic brain surgery platform globally and increase production capacity.

What is ZAP Surgical Systems?

ZAP Surgical Systems develops robotic platforms for non-invasive brain surgery. Its main product, ZAP-X Gyroscopic Radiosurgery, uses precisely targeted radiation to treat brain tumors and other neurological conditions without traditional open surgery.

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The platform is designed for use in academic medical centres, community hospitals, and physician-led practices.

The company is also exploring radiomodulation, an approach that uses targeted, low-dose radiation to influence brain activity. It is investigating potential applications in psychiatric conditions, including treatment-resistant depression and addiction.

About ZAP Surgical Systems?

How Much Funding Has ZAP Surgical Systems Raised?

ZAP Surgical Systems has raised $36 million in its latest funding round.

The source does not provide details of previous funding rounds or total funding raised to date.

Who Invested in ZAP Surgical Systems’ Funding Round?

The $36 million funding round was led by Catalio Capital Management, with participation from Baheal.

The source does not identify any other participating investors.

Why the Funding Matters

ZAP Surgical Systems will use the funding to expand its ZAP-X platform into healthcare institutions worldwide and increase production capacity to meet growing demand.

The company is also advancing research into radiomodulation and its potential use in treating psychiatric disorders.

ZAP Surgical Systems funding

Who founded ZAP Surgical Systems?

ZAP Surgical Systems was founded in 2014 by Dr. John R. Adler, a professor emeritus of neurosurgery and radiation oncology at Stanford University.

The company is headquartered in San Carlos, California.

“This financing reflects our conviction that ZAP Surgical is uniquely positioned to usher in a new wave of non-invasive radiosurgery globally,” said Catalio’s Nicholas von Guionneau, M.D., Ph.D., who also joins ZAP’s Board as an Observer. “With rising healthcare costs in developed nations and underserved populations in emerging markets, intelligent robotics will play an indispensable role in reducing cost structures while elevating the standard of care.

“We are delighted to welcome Catalio as a new capital partner,” said John R. Adler, M.D., Founder and CEO of ZAP Surgical Systems and Emeritus Dorothy & TK Chan Professor of Neurosurgery and Radiation Oncology at Stanford University. “As our understanding of the brain deepens, neuroscience will see unprecedented therapeutic breakthroughs over the coming decade.

Market and Business Growth

ZAP Surgical Systems has shipped its 50th ZAP-X system, marking a major commercial milestone. Nearly 10,000 patients have been treated worldwide using its technology.

The company is expanding its presence in neuro-oncology while investigating additional applications for radiomodulation. Preliminary results from a first-in-human pilot study involving patients with severe treatment-resistant depression have been reported. Broader multi-centre clinical trials are being planned, beginning with treatment-resistant depression and addiction.

What Happens Next?

ZAP Surgical Systems plans to expand its global reach, increase manufacturing capacity, and make its ZAP-X platform available to more healthcare institutions.

The company also plans to advance clinical research into radiomodulation and its potential applications in psychiatric care.

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