Accuray Inc
ARAY- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001138723
No open-market purchases or sales by Accuray Inc insiders were filed in the last 90 days; 111 institutions reported holding it in 13F filings for Q2 2026, worth $17.6M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Accuray Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 111
- −12 vs. Q1 2026
- Shares held
- 71.4M
- −4.24M (−5.6%) vs. Q1 2026
- Total value
- $17.6M
- −$9.83M (−35.8%) vs. Q1 2026
- New holders
- 27
- 34 more added
- Sold out
- 39
- 29 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARAY on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 111 | $17.6M |
| Q1 2026 | 125 | $27.4M |
| Q4 2025 | 125 | $60.5M |
| Q3 2025 | 129 | $101.2M |
| Q2 2025 | 127 | $94.6M |
| Q1 2025 | 129 | $102.6M |
| Q4 2024 | 132 | $108.5M |
| Q3 2024 | 126 | $99.5M |
| Q2 2024 | 115 | $102.9M |
| Q1 2024 | 117 | $153.0M |
| Q4 2023 | 127 | $179.6M |
| Q3 2023 | 114 | $174.2M |
| Q2 2023 | 116 | $257.8M |
| Q1 2023 | 114 | $177.9M |
| Q4 2022 | 108 | $119.5M |
| Q3 2022 | 106 | $123.7M |
| Q2 2022 | 123 | $120.6M |
| Q1 2022 | 144 | $231.6M |
| Q4 2021 | 142 | $332.7M |
| Q3 2021 | 133 | $266.0M |
| Q2 2021 | 130 | $319.1M |
| Q1 2021 | 136 | $342.0M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 1,623,965 | $419.0K | 0.00% | +222,199+15.9% | Added |
| DAFNA Capital Management LLC | 1,680,508 | $433.2K | 0.08% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 2,065,284 | $532.4K | 0.00% | −225,700−9.9% | Reduced |
| Jane Street Group, LLC | 2,139,720 | $551.6K | 0.00% | +2,139,720 | New |
| AQR Capital Management LLC | 2,719,032 | $701.0K | 0.00% | +2,101,555+340.3% | Added |
| BlackRock, Inc. | 3,266,185 | $842.0K | 0.00% | −5,192,224−61.4% | Reduced |
| Vanguard Capital Management LLC | 4,437,800 | $1.14M | 0.00% | +7,408+0.2% | Added |
| Weber Capital Management LLC | 4,932,706 | $1.27M | 1.08% | −122,588−2.4% | Reduced |
| Armistice Capital, LLC | 5,736,000 | $1.48M | 0.04% | +100,000+1.8% | Added |
| Neuberger Berman Group LLC | 6,073,663 | $1.57M | 0.00% | +218,599+3.7% | Added |
| TCW Group Inc | 18,942,059 | $4.08M | 0.03% | +3,474,107+22.5% | Added |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −2,346,360−100.0% | Sold out |
| Heartland Advisors Inc | 0 | $0 | 0.00% | −1,977,450−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −884,578−100.0% | Sold out |
| Vanguard Portfolio Management LLC | 0 | $0 | 0.00% | −595,229−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −394,270−100.0% | Sold out |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 0 | $0 | 0.00% | −334,023−100.0% | Sold out |
| Nuveen, LLC | 0 | $0 | 0.00% | −295,412−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −245,107−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −239,163−100.0% | Sold out |
| Bank of New York Mellon Corp | 0 | $0 | 0.00% | −219,959−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −128,065−100.0% | Sold out |
| Alliancebernstein L.P. | 0 | $0 | 0.00% | −54,730−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −68,751−100.0% | Sold out |
| Franklin Resources Inc | 0 | $0 | 0.00% | −65,681−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −55,648−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −50,833−100.0% | Sold out |
| Mirae Asset Global ETFs Holdings Ltd. | 0 | $0 | 0.00% | −47,130−100.0% | Sold out |
| Intech Investment Management LLC | 0 | $0 | 0.00% | −29,777−100.0% | Sold out |
| New York State Common Retirement Fund | 0 | $0 | 0.00% | −29,096−100.0% | Sold out |
| Police & Firemen's Retirement System of New Jersey | 0 | $0 | 0.00% | −28,113−100.0% | Sold out |
| Flow Traders U.S. LLC | 0 | $0 | 0.00% | −17,752−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −16,427−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −16,005−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −14,364−100.0% | Sold out |
| Sawgrass Asset Management LLC | 0 | $0 | 0.00% | −13,832−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −12,908−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −11,298−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −10,275−100.0% | Sold out |
| Legal & General Group Plc | 0 | $0 | 0.00% | −9,424−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −8,401−100.0% | Sold out |
| Ameritas Investment Partners, Inc. | 0 | $0 | 0.00% | −7,702−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −5,165−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −3,075−100.0% | Sold out |
| Sterling Capital Management LLC | 0 | $0 | 0.00% | −985−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −775−100.0% | Sold out |
| Transamerica Financial Advisors, Inc. | 0 | $0 | 0.00% | −398−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −335−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −210−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −121−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |
| Sunbelt Securities, Inc. | – | – | – | – | Not filed |