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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,767,301 | $14.6M | 0.00% | −274,340−3.0% | Reduced |
| Vanguard Group Inc | 5,476,677 | $9.15M | 0.00% | +106,087+2.0% | Added |
| Neuberger Berman Group LLC | 5,283,646 | $8.81M | 0.01% | +32,264+0.6% | Added |
| Heartland Advisors Inc | 4,996,500 | $8.34M | 0.44% | −62,100−1.2% | Reduced |
| Armistice Capital, LLC | 3,324,000 | $5.55M | 0.17% | +88,000+2.7% | Added |
| Geode Capital Management, LLC | 2,490,397 | $4.16M | 0.00% | +68,673+2.8% | Added |
| Renaissance Technologies LLC | 2,484,284 | $4.15M | 0.01% | −120,100−4.6% | Reduced |
| Acuitas Investments, LLC | 2,392,126 | $3.99M | 2.56% | +966,100+67.7% | Added |
| State Street Corp | 1,994,870 | $3.33M | 0.00% | +9820.0% | Added |
| D. E. Shaw & Co., Inc. | 1,793,391 | $2.99M | 0.00% | 00.0% | Unchanged |
| DAFNA Capital Management LLC | 1,222,358 | $2.04M | 0.50% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 1,162,320 | $1.94M | 0.12% | −30,500−2.6% | Reduced |
| Nuveen, LLC | 1,104,159 | $1.84M | 0.00% | +671,460+155.2% | Added |
| Mackenzie Financial Corp | 1,086,866 | $1.82M | 0.00% | −28,695−2.6% | Reduced |
| Silverback Asset Management LLC | 1,066,054 | $1.78M | 0.23% | −100,000−8.6% | Reduced |
| Kovack Advisors, Inc. | 1,025,875 | $1.71M | 0.16% | −51,600−4.8% | Reduced |
| Tenor Capital Management Co., L.P. | 1,000,000 | $1.67M | 0.02% | −500,000−33.3% | Reduced |
| FMR LLC | 874,631 | $1.46M | 0.00% | +90,408+11.5% | Added |
| Northern Trust Corp | 816,663 | $1.36M | 0.00% | +6,223+0.8% | Added |
| Morgan Stanley | 755,604 | $1.26M | 0.00% | +144,363+23.6% | Added |
| Citadel Advisors LLC | 662,499 | $1.11M | 0.00% | +662,499 | New |
| Silverberg Bernstein Capital Management LLC | 633,248 | $1.06M | 0.64% | +54,000+9.3% | Added |
| TCW Group Inc | 11,909,357 | $1.05M | 0.01% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 585,950 | $978.5K | 0.00% | +49,848+9.3% | Added |
| Goldman Sachs Group Inc | 573,973 | $958.5K | 0.00% | +95,521+20.0% | Added |
| Jacobs Levy Equity Management, Inc | 523,145 | $873.7K | 0.00% | +179,745+52.3% | Added |
| Assenagon Asset Management S.A. | 493,727 | $824.5K | 0.00% | +328,728+199.2% | Added |
| Marshall Wace, LLP | 492,181 | $821.9K | 0.00% | −106,112−17.7% | Reduced |
| Charles Schwab Investment Management Inc | 381,486 | $637.1K | 0.00% | +116,499+44.0% | Added |
| UBS Group AG | 373,832 | $624.3K | 0.00% | −1,407,488−79.0% | Reduced |
| Wells Fargo & Company | 355,802 | $594.2K | 0.00% | +10,029+2.9% | Added |
| Dimensional Fund Advisors LP | 339,293 | $566.1K | 0.00% | −94,946−21.9% | Reduced |
| Barclays PLC | 311,614 | $520.4K | 0.00% | −34,653−10.0% | Reduced |
| Acadian Asset Management LLC | 309,133 | $513.0K | 0.00% | +220,876+250.3% | Added |
| Two Sigma Investments, LP | 263,845 | $440.6K | 0.00% | +263,845 | New |
| Globeflex Capital L P | 247,325 | $413.0K | 0.06% | −940−0.4% | Reduced |
| Bank of New York Mellon Corp | 245,602 | $410.2K | 0.00% | +8,540+3.6% | Added |
| Russell Investments Group, Ltd. | 226,467 | $378.2K | 0.00% | +34,104+17.7% | Added |
| Tudor Investment Corp Et Al | 211,597 | $353.4K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 189,388 | $316.3K | 0.00% | −46,638−19.8% | Reduced |
| JPMorgan Chase & Co | 182,494 | $304.8K | 0.00% | +132,628+266.0% | Added |
| Invesco Ltd. | 160,472 | $268.0K | 0.00% | −14,662−8.4% | Reduced |
| Millennium Management LLC | 154,415 | $257.9K | 0.00% | −295,287−65.7% | Reduced |
| AQR Capital Management LLC | 137,607 | $229.8K | 0.00% | −257,951−65.2% | Reduced |
| Bridge City Capital, LLC | 133,156 | $222.4K | 0.06% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 129,400 | $216.1K | 0.00% | −85,000−39.6% | Reduced |
| Jane Street Group, LLC | 123,921 | $206.9K | 0.00% | +95,142+330.6% | Added |
| Bank of America Corp | 123,151 | $205.7K | 0.00% | −4,698−3.7% | Reduced |
| Two Sigma Advisers, LP | 120,813 | $201.8K | 0.00% | +98,713+446.7% | Added |
| HSBC Holdings PLC | 111,442 | $180.0K | 0.00% | −9,805−8.1% | Reduced |
| Los Angeles Capital Management LLC | 104,677 | $174.8K | 0.00% | −178,625−63.1% | Reduced |
| Marathon Capital Management | 100,000 | $167.0K | 0.04% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 96,398 | $161.0K | 0.00% | +299+0.3% | Added |
| SEI Investments Co | 89,330 | $149.2K | 0.00% | −4,513−4.8% | Reduced |
| Rhumbline Advisers | 82,873 | $138.4K | 0.00% | −1,434−1.7% | Reduced |
| Gsa Capital Partners LLP | 80,701 | $135.0K | 0.01% | +80,701 | New |
| Deutsche Bank AG | 80,582 | $134.6K | 0.00% | +19,976+33.0% | Added |
| Williams & Novak, LLC | 77,430 | $129.3K | 0.10% | +8,460+12.3% | Added |
| Perkins Capital Management Inc | 70,800 | $118.2K | 0.10% | +800+1.1% | Added |
| Panagora Asset Management Inc | 63,629 | $106.3K | 0.00% | +50,813+396.5% | Added |
| Envestnet Asset Management Inc | 59,204 | $98.9K | 0.00% | +47,550+408.0% | Added |
| LPL Financial LLC | 58,969 | $98.5K | 0.00% | +1,302+2.3% | Added |
| Alliancebernstein L.P. | 54,730 | $91.4K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 53,571 | $89.5K | 0.00% | +53,571 | New |
| Price T Rowe Associates Inc | 50,833 | $85.0K | 0.00% | −58,967−53.7% | Reduced |
| Intech Investment Management LLC | 48,690 | $81.3K | 0.00% | −14,453−22.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 47,188 | $78.8K | 0.00% | −7,541−13.8% | Reduced |
| Gabelli Funds LLC | 45,000 | $75.2K | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 43,582 | $72.8K | 0.00% | +43,582 | New |
| R Squared Ltd | 40,550 | $67.7K | 0.03% | +19,648+94.0% | Added |
| MetLife Investment Management | 40,242 | $67.2K | 0.00% | +40,242 | New |
| XTX Topco Ltd | 40,111 | $67.0K | 0.00% | +40,111 | New |
| Teton Advisors, LLC | 40,000 | $66.8K | 0.04% | +40,000 | New |
| Graham Capital Management, L.P. | 39,571 | $66.1K | 0.00% | +39,571 | New |
| BNP Paribas Arbitrage, SA | 39,369 | $65.7K | 0.00% | +9,633+32.4% | Added |
| Manufacturers Life Insurance Company, The | 38,850 | $64.9K | 0.00% | −2,079−5.1% | Reduced |
| Prudential Financial Inc | 35,470 | $59.2K | 0.00% | +21,100+146.8% | Added |
| SG Americas Securities, LLC | 34,771 | $58.0K | 0.00% | +2,280+7.0% | Added |
| Thrivent Financial for Lutherans | 31,800 | $53.0K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 29,163 | $48.7K | 0.00% | −502−1.7% | Reduced |
| New York State Common Retirement Fund | 29,096 | $48.6K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 28,464 | $47.5K | 0.00% | −2,543−8.2% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 28,113 | $46.9K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 21,433 | $35.8K | 0.00% | −9,119−29.8% | Reduced |
| Public Employees Retirement System of Ohio | 21,100 | $35.2K | 0.00% | +21,100 | New |
| Simplex Trading, LLC | 18,285 | $30.0K | 0.00% | +12,555+219.1% | Added |
| ProShare Advisors LLC | 17,341 | $29.0K | 0.00% | −3,457−16.6% | Reduced |
| Oppenheimer & Co Inc | 16,000 | $26.7K | 0.00% | 00.0% | Unchanged |
| Wolverine Trading, LLC | 16,009 | $26.1K | 0.00% | +16,009 | New |
| Two Sigma Securities, LLC | 13,828 | $23.1K | 0.00% | +13,828 | New |
| Victory Capital Management Inc | 12,407 | $20.7K | 0.00% | +717+6.1% | Added |
| Voleon Capital Management LP | 11,952 | $20.0K | 0.00% | +11,952 | New |
| SRS Capital Advisors, Inc. | 11,729 | $19.6K | 0.00% | +11,729 | New |
| CWM, LLC | 11,230 | $19.0K | 0.00% | −1,627−12.7% | Reduced |
| Legal & General Group Plc | 11,191 | $18.7K | 0.00% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 10,811 | $18.1K | 0.00% | +10,811 | New |
| Dynamic Technology Lab Private Ltd | 10,760 | $18.0K | 0.00% | −101,312−90.4% | Reduced |
| Abel Hall, LLC | 10,023 | $16.7K | 0.01% | +10,023 | New |
| MML Investors Services, LLC | 10,000 | $16.7K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 9,046 | $15.1K | 0.00% | −27,192−75.0% | Reduced |