Accuray Incorporated
Ownership
Ownership Structure
Who owns Accuray Incorporated (ARAY)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.2% of the shares are freely tradable; institutional investors hold 69.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| TCW Group Inc | 12.95 | 15,467,952 | +0.0 | 03/31/2026 |
| BlackRock Inc | 7.08 | 8,458,409 | -1.0 | 03/31/2026 |
| Neuberger Berman Group LLC | 4.90 | 5,855,064 | +17.9 | 03/31/2026 |
| Armistice Capital, LLC | 4.72 | 5,636,000 | +25.2 | 03/31/2026 |
| Weber Capital Management LLC | 4.13 | 4,932,706 | -2.4 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.71 | 4,430,392 | +0.0 | 03/31/2026 |
| Geode Capital Management, LLC | 1.99 | 2,380,839 | -3.9 | 03/31/2026 |
| Mackenzie Investments | 1.96 | 2,346,360 | +22.3 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.61 | 3,122,473 | +0.0 | 07/31/2026 |
| Acuitas US Microcap Strategy | 2.00 | 2,392,126 | +0.0 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.