Accuray Company Profile: History, Products and Stock
Updated: 7 days ago
Accuray makes radiation therapy systems, including CyberKnife, which uses a robot arm to aim radiation at tumors. John R. Adler, a Stanford neurosurgeon, founded it in 1990. This profile sets out its history, products and listing.
Accuray at a Glance
Fact | Detail |
Company | Accuray Incorporated |
Founded | 1990; commercial operations from 1992 |
Founder | John R. Adler |
Headquarters | Madison, Wisconsin, USA, since August 2023 |
Products | CyberKnife, TomoTherapy and Radixact |
Stock listing | Nasdaq: ARAY |
Company History
John R. Adler founded Accuray in 1990, and it began commercial operations in 1992. It listed on Nasdaq in 2007. In 2011 it completed the USD 277 million acquisition of TomoTherapy, which added a second treatment platform. The headquarters moved from Sunnyvale, California, to Madison, Wisconsin, in August 2023.
Key milestones
1990: Founded.
2007: Nasdaq listing.
2011: TomoTherapy acquired for USD 277 million.
2012: Morphormics acquired for USD 5.7 million.
2015: Agreement with RaySearch Laboratories on treatment planning.
2019: Joint venture in Tianjin licensed to operate in China.
2023: Headquarters moved to Madison.
Products
Product | Description |
CyberKnife | Robotic radiosurgery system |
TomoTherapy | Radiation therapy platform acquired in 2011 |
Radixact | The latest TomoTherapy platform |
Stock Information
Accuray trades on Nasdaq under the ticker ARAY.
Note: this section is general information, not investment advice.
What Is Not Covered
Employee numbers, sales and the name of the chief executive are not stated in the source used, so they are left out.
Strengths and Challenges
Strengths
A distinctive robotic approach to radiosurgery.
Two complementary treatment platforms.
A joint venture for the Chinese market.
Challenges
Much larger competitors in radiation therapy.
Long sales cycles for hospital equipment.
Current Catalogue Coverage
Catalogue checked on 15 October 2026: 1 associated product records. The links below are representative entries, rather than a claim that every historical model is currently available.
Accuray FAQ
Is Accuray publicly traded?
Yes, on Nasdaq under the ticker ARAY.
What does Accuray make?
The CyberKnife, TomoTherapy and Radixact radiation therapy systems.
Who founded Accuray?
John R. Adler, a Stanford neurosurgeon.
Where is Accuray based?
In Madison, Wisconsin, since August 2023.
Sources
Wikipedia: Accuray





