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, Q1 2023
Institutional positions in Accuray Inc as of Mar 31, 2023. 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
- 114
- +7 vs. Q4 2022
- Shares held
- 59.8M
- +2.64M (+4.6%) vs. Q4 2022
- Total value
- $177.9M
- +$58.4M (+48.8%) vs. Q4 2022
- New holders
- 16
- 35 more added
- Sold out
- 9
- 31 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Archon Capital Management LLC | 6,104,738 | $18.1M | 6.43% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 5,451,849 | $16.2M | 0.01% | +221,984+4.2% | Added |
| Vanguard Group Inc | 4,581,085 | $13.6M | 0.00% | +373,331+8.9% | Added |
| BlackRock Inc. | 3,345,572 | $9.94M | 0.00% | −7,413−0.2% | Reduced |
| Royce & Associates LP | 2,999,135 | $8.91M | 0.09% | +192,900+6.9% | Added |
| Wellington Management Group LLP | 2,967,879 | $8.81M | 0.00% | +16,379+0.6% | Added |
| Renaissance Technologies LLC | 2,905,284 | $8.63M | 0.01% | −175,736−5.7% | Reduced |
| Heartland Advisors Inc | 2,641,750 | $7.85M | 0.48% | +64,250+2.5% | Added |
| D. E. Shaw & Co., Inc. | 2,603,229 | $7.73M | 0.01% | +138,812+5.6% | Added |
| Harbert Fund Advisors, Inc. | 1,849,184 | $5.49M | 3.92% | 00.0% | Unchanged |
| Foundry Partners, LLC | 1,737,427 | $5.16M | 0.33% | +161,980+10.3% | Added |
| Dimensional Fund Advisors LP | 1,381,006 | $4.10M | 0.00% | +92,390+7.2% | Added |
| DAFNA Capital Management LLC | 1,222,358 | $3.63M | 1.09% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 1,217,174 | $3.61M | 0.02% | −354,447−22.6% | Reduced |
| Kovack Advisors, Inc. | 1,210,500 | $3.60M | 0.49% | −37,300−3.0% | Reduced |
| Millennium Management LLC | 943,951 | $2.80M | 0.00% | +83,367+9.7% | Added |
| Geode Capital Management, LLC | 929,707 | $2.76M | 0.00% | +16,519+1.8% | Added |
| North Star Investment Management Corp. | 912,470 | $2.71M | 0.22% | +56,000+6.5% | Added |
| Kennedy Capital Management, Inc. | 902,939 | $2.68M | 0.08% | +902,939 | New |
| Rice Hall James & Associates, LLC | 671,545 | $1.99M | 0.11% | −11,249−1.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 653,856 | $1.94M | 0.01% | −212,755−24.6% | Reduced |
| Assenagon Asset Management S.A. | 648,840 | $1.93M | 0.01% | 00.0% | Unchanged |
| Lapides Asset Management, LLC | 640,000 | $1.90M | 1.15% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 556,517 | $1.65M | 0.00% | +392,066+238.4% | Added |
| FMR LLC | 553,640 | $1.64M | 0.00% | −270.0% | Reduced |
| Two Sigma Advisers, LP | 546,660 | $1.62M | 0.00% | −181,853−25.0% | Reduced |
| EAM Investors, LLC | 539,540 | $1.60M | 0.31% | +539,540 | New |
| First Eagle Investment Management, LLC | 493,297 | $1.47M | 0.00% | +187,981+61.6% | Added |
| Two Sigma Investments, LP | 481,106 | $1.43M | 0.00% | −156,122−24.5% | Reduced |
| Cowen Prime Advisors LLC | 402,438 | $1.34M | 0.54% | −13,100−3.2% | Reduced |
| Jane Street Group, LLC | 412,236 | $1.22M | 0.00% | +379,394+1,155.2% | Added |
| ExodusPoint Capital Management, LP | 411,369 | $1.22M | 0.01% | +59,575+16.9% | Added |
| Morgan Stanley | 405,743 | $1.21M | 0.00% | +102,064+33.6% | Added |
| Goldman Sachs Group Inc | 368,512 | $1.09M | 0.00% | +208,536+130.4% | Added |
| State Street Corp | 365,466 | $1.09M | 0.00% | +11,900+3.4% | Added |
| Citigroup Inc | 358,760 | $1.07M | 0.00% | +92,314+34.6% | Added |
| AlphaCentric Advisors LLC | 350,000 | $1.04M | 0.72% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 288,300 | $856.3K | 0.02% | 00.0% | Unchanged |
| HRT Financial LP | 280,818 | $834.0K | 0.01% | +280,818 | New |
| Citadel Advisors LLC | 274,755 | $816.0K | 0.00% | +65,034+31.0% | Added |
| Globeflex Capital L P | 270,834 | $804.4K | 0.10% | 00.0% | Unchanged |
| Verition Fund Management LLC | 252,459 | $749.8K | 0.01% | −77,760−23.5% | Reduced |
| Primecap Management Co | 235,300 | $698.8K | 0.00% | −500−0.2% | Reduced |
| Tudor Investment Corp Et Al | 216,928 | $644.0K | 0.01% | −7,573−3.4% | Reduced |
| Russell Investments Group, Ltd. | 216,672 | $643.5K | 0.00% | −5,970−2.7% | Reduced |
| Parallel Advisors, LLC | 213,591 | $634.4K | 0.02% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 194,994 | $580.0K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 188,442 | $559.7K | 0.00% | +2,709+1.5% | Added |
| Knights of Columbus Asset Advisors LLC | 170,661 | $506.9K | 0.05% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 169,161 | $502.4K | 0.00% | +70,574+71.6% | Added |
| Boston Private Wealth LLC | 163,801 | $486.5K | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 136,722 | $406.1K | 0.00% | +530.0% | Added |
| Bank of America Corp | 113,976 | $338.5K | 0.00% | +113,788+60,525.5% | Added |
| Marathon Capital Management | 110,000 | $326.7K | 0.08% | −1,000−0.9% | Reduced |
| Marshall Wace, LLP | 106,408 | $316.0K | 0.00% | +28,847+37.2% | Added |
| Wells Fargo & Company | 103,160 | $306.4K | 0.00% | +96,121+1,365.5% | Added |
| UBS Group AG | 87,606 | $260.2K | 0.00% | −144,759−62.3% | Reduced |
| Charles Schwab Investment Management Inc | 77,618 | $230.5K | 0.00% | −242,685−75.8% | Reduced |
| 683 Capital Management, LLC | 67,100 | $199.3K | 0.02% | −18,729−21.8% | Reduced |
| Teton Advisors, Inc. | 65,000 | $193.1K | 0.05% | 00.0% | Unchanged |
| LMR Partners LLP | 58,744 | $174.5K | 0.00% | +58,744 | New |
| Man Group plc | – | $162.1K | 0.00% | – | – |
| Engineers Gate Manager LP | 53,995 | $160.4K | 0.01% | −34,022−38.7% | Reduced |
| Barclays PLC | 53,728 | $159.6K | 0.00% | +27,482+104.7% | Added |
| Perkins Capital Management Inc | 53,500 | $159.0K | 0.15% | +17,000+46.6% | Added |
| Squarepoint Ops LLC | 53,170 | $157.9K | 0.00% | +53,170 | New |
| Bank of New York Mellon Corp | 50,884 | $151.1K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 45,795 | $136.0K | 0.00% | +688+1.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 40,136 | $119.2K | 0.01% | +40,136 | New |
| Jefferies Financial Group Inc. | 39,046 | $116.0K | 0.00% | +39,046 | New |
| Jump Financial, LLC | 38,030 | $112.9K | 0.00% | +5,381+16.5% | Added |
| Balyasny Asset Management LLC | 37,981 | $112.8K | 0.00% | +37,981 | New |
| SEI Investments Co | 37,175 | $110.4K | 0.00% | +4,029+12.2% | Added |
| Cubist Systematic Strategies, LLC | 29,431 | $87.4K | 0.00% | −3,832−11.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 29,219 | $86.8K | 0.00% | −59,125−66.9% | Reduced |
| Gabelli Funds LLC | 26,000 | $77.2K | 0.00% | +500+2.0% | Added |
| Lighthouse Investment Partners, LLC | 25,914 | $77.0K | 0.01% | −13,416−34.1% | Reduced |
| Advisory Services Network, LLC | 24,900 | $74.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 24,049 | $71.0K | 0.00% | 00.0% | Unchanged |
| Atria Wealth Solutions, Inc. | 23,100 | $68.6K | 0.00% | −6,000−20.6% | Reduced |
| Bleakley Financial Group, LLC | 19,833 | $58.9K | 0.00% | 00.0% | Unchanged |
| Sawtooth Solutions, LLC | 19,833 | $58.9K | 0.00% | +19,833 | New |
| Mackenzie Financial Corp | 19,070 | $56.6K | 0.00% | −4,593−19.4% | Reduced |
| Tower Research Capital LLC (TRC) | 18,026 | $54.0K | 0.00% | +18,026 | New |
| Point72 Middle East FZE | 17,881 | $53.1K | 0.00% | +17,881 | New |
| Schonfeld Strategic Advisors LLC | 16,300 | $48.4K | 0.00% | +5,227+47.2% | Added |
| Virtu Financial LLC | 15,820 | $47.0K | 0.01% | −16,106−50.4% | Reduced |
| Harbour Investments, Inc. | 14,959 | $44.4K | 0.00% | 00.0% | Unchanged |
| Plancorp, LLC | 13,699 | $40.7K | 0.00% | 00.0% | Unchanged |
| Integrated Investment Consultants, LLC | 13,500 | $40.1K | 0.01% | +13,500 | New |
| Vontobel Holding Ltd. | 13,370 | $39.7K | 0.00% | 00.0% | Unchanged |
| LPL Financial LLC | 13,289 | $39.5K | 0.00% | +153+1.2% | Added |
| Moseley Investment Management Inc | 12,000 | $35.6K | 0.02% | 00.0% | Unchanged |
| Rhumbline Advisers | 11,438 | $34.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 11,207 | $33.3K | 0.00% | −19,861−63.9% | Reduced |
| CTC Capital Management, LLC | 10,100 | $30.0K | 0.06% | +10,100 | New |
| Victory Capital Management Inc | 10,057 | $29.9K | 0.00% | −24−0.2% | Reduced |
| Menlo Advisors LLC | 10,000 | $29.0K | 0.02% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 9,046 | $26.9K | 0.00% | +9,046 | New |
| Simplex Trading, LLC | 3,706 | $11.0K | 0.00% | −1,475−28.5% | Reduced |