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 2025
Institutional positions in Accuray Inc as of Jun 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
- 127
- 0 vs. Q1 2025
- Shares held
- 73.1M
- +17.7M (+32.0%) vs. Q1 2025
- Total value
- $94.6M
- −$4.70M (−4.7%) vs. Q1 2025
- New holders
- 16
- 42 more added
- Sold out
- 16
- 41 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,041,641 | $12.4M | 0.00% | +105,688+1.2% | Added |
| TCW Group Inc | 11,909,357 | $10.7M | 0.08% | +11,909,357 | New |
| Vanguard Group Inc | 5,370,590 | $7.36M | 0.00% | +78,554+1.5% | Added |
| Neuberger Berman Group LLC | 5,251,382 | $7.20M | 0.01% | −267,632−4.8% | Reduced |
| Heartland Advisors Inc | 5,058,600 | $6.93M | 0.39% | +783,850+18.3% | Added |
| Armistice Capital, LLC | 3,236,000 | $4.43M | 0.17% | +700,000+27.6% | Added |
| Renaissance Technologies LLC | 2,604,384 | $3.57M | 0.00% | −119,000−4.4% | Reduced |
| Geode Capital Management, LLC | 2,421,724 | $3.32M | 0.00% | +174,703+7.8% | Added |
| State Street Corp | 1,993,888 | $2.73M | 0.00% | +56,528+2.9% | Added |
| D. E. Shaw & Co., Inc. | 1,793,391 | $2.46M | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 1,781,320 | $2.44M | 0.00% | +700,749+64.8% | Added |
| Tenor Capital Management Co., L.P. | 1,500,000 | $2.06M | 0.03% | +1,500,000 | New |
| Harbert Fund Advisors, Inc. | 1,448,820 | $1.98M | 5.96% | −400,364−21.7% | Reduced |
| Acuitas Investments, LLC | 1,426,026 | $1.95M | 1.55% | +5,819+0.4% | Added |
| DAFNA Capital Management LLC | 1,222,358 | $1.67M | 0.46% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 1,192,820 | $1.63M | 0.11% | +134,275+12.7% | Added |
| Silverback Asset Management LLC | 1,166,054 | $1.60M | 0.25% | – | – |
| Mackenzie Financial Corp | 1,115,561 | $1.53M | 0.00% | +382,214+52.1% | Added |
| Kovack Advisors, Inc. | 1,077,475 | $1.48M | 0.14% | +119,925+12.5% | Added |
| Northern Trust Corp | 810,440 | $1.11M | 0.00% | −2,832−0.3% | Reduced |
| FMR LLC | 784,223 | $1.07M | 0.00% | +34,045+4.5% | Added |
| Morgan Stanley | 611,241 | $837.4K | 0.00% | +34,010+5.9% | Added |
| Marshall Wace, LLP | 598,293 | $819.7K | 0.00% | +598,293 | New |
| Silverberg Bernstein Capital Management LLC | 579,248 | $793.6K | 0.54% | +127,896+28.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 536,102 | $734.5K | 0.00% | +171,826+47.2% | Added |
| Goldman Sachs Group Inc | 478,452 | $655.5K | 0.00% | +546+0.1% | Added |
| Millennium Management LLC | 449,702 | $616.1K | 0.00% | +243,389+118.0% | Added |
| Dimensional Fund Advisors LP | 434,239 | $595.0K | 0.00% | −134,845−23.7% | Reduced |
| Nuveen, LLC | 432,699 | $592.8K | 0.00% | +92,396+27.2% | Added |
| AQR Capital Management LLC | 395,558 | $541.9K | 0.00% | +232,636+142.8% | Added |
| CSM Advisors, LLC | 386,350 | $527.0K | 0.02% | +386,350 | New |
| Barclays PLC | 346,267 | $474.4K | 0.00% | +152,876+79.1% | Added |
| Wells Fargo & Company | 345,773 | $473.7K | 0.00% | +85,713+33.0% | Added |
| Jacobs Levy Equity Management, Inc | 343,400 | $470.5K | 0.00% | −129,569−27.4% | Reduced |
| Archon Capital Management LLC | 297,560 | $407.7K | 0.33% | −132,393−30.8% | Reduced |
| Los Angeles Capital Management LLC | 283,302 | $388.1K | 0.00% | +44,185+18.5% | Added |
| Charles Schwab Investment Management Inc | 264,987 | $363.0K | 0.00% | −13,397−4.8% | Reduced |
| Globeflex Capital L P | 248,265 | $340.1K | 0.03% | +64,494+35.1% | Added |
| Bank of New York Mellon Corp | 237,062 | $324.8K | 0.00% | +29,948+14.5% | Added |
| Susquehanna International Group, LLP | 236,026 | $323.4K | 0.00% | +48,215+25.7% | Added |
| Bridgeway Capital Management, LLC | 214,400 | $293.7K | 0.01% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 211,597 | $289.9K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 192,363 | $263.5K | 0.00% | −549−0.3% | Reduced |
| Invesco Ltd. | 175,134 | $239.9K | 0.00% | −41,413−19.1% | Reduced |
| Assenagon Asset Management S.A. | 164,999 | $226.0K | 0.00% | 00.0% | Unchanged |
| Bridge City Capital, LLC | 133,156 | $182.4K | 0.05% | −3,393−2.5% | Reduced |
| Bank of America Corp | 127,849 | $175.2K | 0.00% | −8,659−6.3% | Reduced |
| HSBC Holdings PLC | 121,247 | $164.3K | 0.00% | −1,407−1.1% | Reduced |
| Dynamic Technology Lab Private Ltd | 112,072 | $154.0K | 0.02% | +112,072 | New |
| Price T Rowe Associates Inc | 109,800 | $151.0K | 0.00% | +5,588+5.4% | Added |
| Marathon Capital Management | 100,000 | $137.0K | 0.03% | −10,000−9.1% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 96,099 | $131.7K | 0.00% | −35,637−27.1% | Reduced |
| SEI Investments Co | 93,843 | $128.5K | 0.00% | −17,684−15.9% | Reduced |
| Acadian Asset Management LLC | 88,257 | $120.0K | 0.00% | +77,045+687.2% | Added |
| Rhumbline Advisers | 84,307 | $115.5K | 0.00% | +1,176+1.4% | Added |
| Perkins Capital Management Inc | 70,000 | $95.9K | 0.10% | +4,500+6.9% | Added |
| Williams & Novak, LLC | 68,970 | $94.5K | 0.08% | +14,000+25.5% | Added |
| Intech Investment Management LLC | 63,143 | $86.5K | 0.00% | −3,580−5.4% | Reduced |
| Algert Global LLC | 60,930 | $83.5K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 60,606 | $83.0K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 57,667 | $79.0K | 0.00% | +40,930+244.5% | Added |
| Alliancebernstein L.P. | 54,730 | $75.0K | 0.00% | +23,800+76.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 54,729 | $75.0K | 0.00% | −2,462−4.3% | Reduced |
| JPMorgan Chase & Co | 49,866 | $68.3K | 0.00% | −217,750−81.4% | Reduced |
| Gabelli Funds LLC | 45,000 | $61.6K | 0.00% | 00.0% | Unchanged |
| Teton Advisors, Inc. | 43,500 | $59.6K | 0.04% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 40,929 | $56.1K | 0.00% | +4,543+12.5% | Added |
| Virtu Financial LLC | 37,436 | $51.0K | 0.00% | +37,436 | New |
| Citigroup Inc | 36,238 | $49.6K | 0.00% | −33,086−47.7% | Reduced |
| Tower Research Capital LLC (TRC) | 35,177 | $48.2K | 0.00% | +30,182+604.2% | Added |
| Primecap Management Co | 33,700 | $46.2K | 0.00% | −127,500−79.1% | Reduced |
| SG Americas Securities, LLC | 32,491 | $45.0K | 0.00% | −1,055−3.1% | Reduced |
| Thrivent Financial for Lutherans | 31,800 | $44.0K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 31,007 | $42.5K | 0.00% | +11,856+61.9% | Added |
| Voya Investment Management LLC | 30,552 | $41.9K | 0.00% | +2,922+10.6% | Added |
| BNP Paribas Arbitrage, SA | 29,736 | $40.7K | 0.00% | −64,446−68.4% | Reduced |
| Mariner, LLC | 29,665 | $40.6K | 0.00% | +29,665 | New |
| New York State Common Retirement Fund | 29,096 | $39.9K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 28,779 | $39.4K | 0.00% | −63,165−68.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 28,113 | $38.5K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 26,620 | $36.5K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 22,100 | $30.3K | 0.00% | −28,713−56.5% | Reduced |
| R Squared Ltd | 20,902 | $28.6K | 0.02% | +5,852+38.9% | Added |
| ProShare Advisors LLC | 20,798 | $28.5K | 0.00% | −194−0.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 16,190 | $22.2K | 0.00% | 00.0% | Unchanged |
| Oppenheimer & Co Inc | 16,000 | $21.9K | 0.00% | +5,000+45.5% | Added |
| US Bancorp | 14,984 | $20.5K | 0.00% | −2,832−15.9% | Reduced |
| Prudential Financial Inc | 14,370 | $19.7K | 0.00% | −22,810−61.4% | Reduced |
| Winton Group Ltd | 14,055 | $19.3K | 0.00% | −33,902−70.7% | Reduced |
| CWM, LLC | 12,857 | $18.0K | 0.00% | +4,976+63.1% | Added |
| Panagora Asset Management Inc | 12,816 | $17.6K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 12,497 | $17.1K | 0.00% | −9,019−41.9% | Reduced |
| Victory Capital Management Inc | 11,690 | $16.0K | 0.00% | −105−0.9% | Reduced |
| Envestnet Asset Management Inc | 11,654 | $16.0K | 0.00% | −32,892−73.8% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 11,058 | $15.7K | 0.00% | +11,058 | New |
| Engineers Gate Manager LP | 11,348 | $15.5K | 0.00% | +11,348 | New |
| Legal & General Group Plc | 11,191 | $15.3K | 0.00% | +1,600+16.7% | Added |
| MML Investors Services, LLC | 10,000 | $14.0K | 0.00% | 00.0% | Unchanged |
| Equitable Holdings, Inc. | 10,000 | $13.7K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 7,702 | $10.6K | 0.00% | 00.0% | Unchanged |