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, Q3 2025
Institutional positions in Accuray Inc as of Sep 30, 2025. 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
- 129
- +4 vs. Q2 2025
- Shares held
- 71.9M
- −1.18M (−1.6%) vs. Q2 2025
- Total value
- $101.2M
- +$6.69M (+7.1%) vs. Q2 2025
- New holders
- 21
- 44 more added
- Sold out
- 17
- 41 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 492,181 | $821.9K | 0.00% | −106,112−17.7% | Reduced |
| Assenagon Asset Management S.A. | 493,727 | $824.5K | 0.00% | +328,728+199.2% | Added |
| Jacobs Levy Equity Management, Inc | 523,145 | $873.7K | 0.00% | +179,745+52.3% | Added |
| Goldman Sachs Group Inc | 573,973 | $958.5K | 0.00% | +95,521+20.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 585,950 | $978.5K | 0.00% | +49,848+9.3% | Added |
| TCW Group Inc | 11,909,357 | $1.05M | 0.01% | 00.0% | Unchanged |
| Silverberg Bernstein Capital Management LLC | 633,248 | $1.06M | 0.64% | +54,000+9.3% | Added |
| Citadel Advisors LLC | 662,499 | $1.11M | 0.00% | +662,499 | New |
| Morgan Stanley | 755,604 | $1.26M | 0.00% | +144,363+23.6% | Added |
| Northern Trust Corp | 816,663 | $1.36M | 0.00% | +6,223+0.8% | Added |
| FMR LLC | 874,631 | $1.46M | 0.00% | +90,408+11.5% | Added |
| Tenor Capital Management Co., L.P. | 1,000,000 | $1.67M | 0.02% | −500,000−33.3% | Reduced |
| Kovack Advisors, Inc. | 1,025,875 | $1.71M | 0.16% | −51,600−4.8% | Reduced |
| Silverback Asset Management LLC | 1,066,054 | $1.78M | 0.23% | −100,000−8.6% | Reduced |
| Mackenzie Financial Corp | 1,086,866 | $1.82M | 0.00% | −28,695−2.6% | Reduced |
| Nuveen, LLC | 1,104,159 | $1.84M | 0.00% | +671,460+155.2% | Added |
| North Star Investment Management Corp. | 1,162,320 | $1.94M | 0.12% | −30,500−2.6% | Reduced |
| DAFNA Capital Management LLC | 1,222,358 | $2.04M | 0.50% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,793,391 | $2.99M | 0.00% | 00.0% | Unchanged |
| State Street Corp | 1,994,870 | $3.33M | 0.00% | +9820.0% | Added |
| Acuitas Investments, LLC | 2,392,126 | $3.99M | 2.56% | +966,100+67.7% | Added |
| Renaissance Technologies LLC | 2,484,284 | $4.15M | 0.01% | −120,100−4.6% | Reduced |
| Geode Capital Management, LLC | 2,490,397 | $4.16M | 0.00% | +68,673+2.8% | Added |
| Armistice Capital, LLC | 3,324,000 | $5.55M | 0.17% | +88,000+2.7% | Added |
| Heartland Advisors Inc | 4,996,500 | $8.34M | 0.44% | −62,100−1.2% | Reduced |
| Neuberger Berman Group LLC | 5,283,646 | $8.81M | 0.01% | +32,264+0.6% | Added |
| Vanguard Group Inc | 5,476,677 | $9.15M | 0.00% | +106,087+2.0% | Added |
| BlackRock, Inc. | 8,767,301 | $14.6M | 0.00% | −274,340−3.0% | Reduced |
| Franklin Resources Inc | 2,209 | – | – | +2,209 | New |
| Harbert Fund Advisors, Inc. | 0 | $0 | 0.00% | −1,448,820−100.0% | Sold out |
| CSM Advisors, LLC | 0 | $0 | 0.00% | −386,350−100.0% | Sold out |
| Archon Capital Management LLC | 0 | $0 | 0.00% | −297,560−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −60,930−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −37,436−100.0% | Sold out |
| Primecap Management Co | 0 | $0 | 0.00% | −33,700−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −26,620−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −16,190−100.0% | Sold out |
| US Bancorp | 0 | $0 | 0.00% | −14,984−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −14,055−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −11,058−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −11,348−100.0% | Sold out |
| Equitable Holdings, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −7,590−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −1,032−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Total Investment Management Inc | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Teton Advisors, Inc. | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |