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 2021
Institutional positions in Accuray Inc as of Jun 30, 2021. 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
- 130
- −6 vs. Q1 2021
- Shares held
- 70.6M
- +1.47M (+2.1%) vs. Q1 2021
- Total value
- $319.1M
- −$22.9M (−6.7%) vs. Q1 2021
- New holders
- 15
- 48 more added
- Sold out
- 21
- 45 more reduced
Compare with Q1 2021: 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 2021
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,914,921 | $35.8M | 0.00% | −412,358−5.0% | Reduced |
| Neuberger Berman Group LLC | 5,119,816 | $23.1M | 0.02% | −109,876−2.1% | Reduced |
| Vanguard Group Inc | 5,085,824 | $23.0M | 0.00% | +348,644+7.4% | Added |
| Archon Capital Management LLC | 4,582,668 | $20.7M | 4.41% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 3,710,825 | $16.8M | 0.02% | +99,741+2.8% | Added |
| Heartland Advisors Inc | 3,398,500 | $15.4M | 0.89% | −9,000−0.3% | Reduced |
| State Street Corp | 2,641,183 | $11.9M | 0.00% | +813,424+44.5% | Added |
| Dimensional Fund Advisors LP | 2,485,649 | $11.2M | 0.00% | +47,865+2.0% | Added |
| D. E. Shaw & Co., Inc. | 2,467,051 | $11.2M | 0.01% | +338,779+15.9% | Added |
| HealthInvest Partners AB | 2,300,000 | $10.4M | 9.85% | +325,000+16.5% | Added |
| Royce & Associates LP | 1,955,269 | $8.84M | 0.06% | +46,275+2.4% | Added |
| Geode Capital Management, LLC | 1,849,940 | $8.36M | 0.00% | +46,453+2.6% | Added |
| Jacobs Levy Equity Management, Inc | 1,637,076 | $7.40M | 0.05% | +45,076+2.8% | Added |
| Harbert Fund Advisors, Inc. | 1,630,318 | $7.37M | 4.11% | +1,630,318 | New |
| Wellington Management Group LLP | 1,614,600 | $7.30M | 0.00% | +119,400+8.0% | Added |
| Walthausen & Co., LLC | 1,472,550 | $6.66M | 1.47% | +68,420+4.9% | Added |
| Acadian Asset Management LLC | 1,163,014 | $5.26M | 0.02% | −137,925−10.6% | Reduced |
| Two Sigma Advisers, LP | 947,313 | $4.28M | 0.01% | +116,600+14.0% | Added |
| DAFNA Capital Management LLC | 941,800 | $4.26M | 0.89% | 00.0% | Unchanged |
| Northern Trust Corp | 926,951 | $4.19M | 0.00% | −49,802−5.1% | Reduced |
| Charles Schwab Investment Management Inc | 926,668 | $4.19M | 0.00% | +44,116+5.0% | Added |
| Two Sigma Investments, LP | 846,982 | $3.83M | 0.01% | −41,991−4.7% | Reduced |
| Primecap Management Co | 840,000 | $3.80M | 0.00% | −697,900−45.4% | Reduced |
| Kovack Advisors, Inc. | 799,850 | $3.62M | 0.41% | +87,250+12.2% | Added |
| Lapides Asset Management, LLC | 780,200 | $3.53M | 1.41% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 704,086 | $3.18M | 0.01% | +203,704+40.7% | Added |
| Bank of New York Mellon Corp | 675,922 | $3.06M | 0.00% | +74,985+12.5% | Added |
| JPMorgan Chase & Co | 645,644 | $2.92M | 0.00% | −323,403−33.4% | Reduced |
| Millennium Management LLC | 611,264 | $2.76M | 0.00% | −434,419−41.5% | Reduced |
| State Board of Administration of Florida Retirement System | 543,860 | $2.46M | 0.00% | +48,688+9.8% | Added |
| Wells Fargo & Company | 515,601 | $2.33M | 0.00% | +21,725+4.4% | Added |
| Assenagon Asset Management S.A. | 498,924 | $2.25M | 0.01% | +231,945+86.9% | Added |
| Rice Hall James & Associates, LLC | 477,614 | $2.16M | 0.08% | −17,216−3.5% | Reduced |
| Nuveen Asset Management, LLC | 402,583 | $1.82M | 0.00% | +42,403+11.8% | Added |
| AQR Capital Management LLC | 387,002 | $1.75M | 0.00% | −151,726−28.2% | Reduced |
| Globeflex Capital L P | 380,188 | $1.72M | 0.31% | +290+0.1% | Added |
| Knights of Columbus Asset Advisors LLC | 333,648 | $1.51M | 0.14% | +75,716+29.4% | Added |
| First Trust Advisors LP | 332,808 | $1.50M | 0.00% | +47,672+16.7% | Added |
| Verition Fund Management LLC | 290,833 | $1.31M | 0.02% | +70,625+32.1% | Added |
| Goldman Sachs Group Inc | 289,509 | $1.31M | 0.00% | −25,335−8.0% | Reduced |
| Panagora Asset Management Inc | 243,455 | $1.10M | 0.01% | −129,241−34.7% | Reduced |
| UBS Group AG | 242,846 | $1.10M | 0.00% | −126,717−34.3% | Reduced |
| Deutsche Bank AG | 235,504 | $1.06M | 0.00% | −66,257−22.0% | Reduced |
| AlphaCentric Advisors LLC | 235,000 | $1.06M | 0.29% | +10,000+4.4% | Added |
| Morgan Stanley | 231,733 | $1.05M | 0.00% | +96,810+71.8% | Added |
| New York State Common Retirement Fund | 222,942 | $1.01M | 0.00% | +842+0.4% | Added |
| Massachusetts Financial Services Co | 211,955 | $958.0K | 0.00% | +1,813+0.9% | Added |
| Adirondack Research & Management Inc. | 207,161 | $936.0K | 1.09% | −13,087−5.9% | Reduced |
| Parallel Advisors, LLC | 174,935 | $791.0K | 0.03% | +234+0.1% | Added |
| Tocqueville Asset Management L.P. | 175,000 | $791.0K | 0.01% | +175,000 | New |
| Cowen Prime Services LLC | 170,882 | $772.0K | 0.28% | 00.0% | Unchanged |
| Cowen Prime Advisors LLC | 170,882 | $772.0K | 0.28% | +170,882 | New |
| Oberweis Asset Management Inc | 151,000 | $683.0K | 0.15% | +70,000+86.4% | Added |
| Los Angeles Capital Management LLC | 150,757 | $681.0K | 0.00% | −10,010−6.2% | Reduced |
| Engineers Gate Manager LP | 149,594 | $676.0K | 0.04% | +32,428+27.7% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 138,228 | $625.0K | 0.00% | +75,312+119.7% | Added |
| Alliancebernstein L.P. | 136,431 | $617.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 127,381 | $576.0K | 0.00% | −11,063−8.0% | Reduced |
| Invesco Ltd. | 122,336 | $553.0K | 0.00% | +8,025+7.0% | Added |
| Principal Financial Group Inc | 111,835 | $506.0K | 0.00% | +91,106+439.5% | Added |
| Marathon Capital Management | 110,000 | $497.0K | 0.12% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 102,584 | $464.0K | 0.00% | +15,545+17.9% | Added |
| Rhumbline Advisers | 98,472 | $445.0K | 0.00% | −7,141−6.8% | Reduced |
| Susquehanna Fundamental Investments, LLC | 96,712 | $437.0K | 0.01% | −24,106−20.0% | Reduced |
| Price T Rowe Associates Inc | 96,665 | $437.0K | 0.00% | −16,830−14.8% | Reduced |
| Citadel Advisors LLC | 93,864 | $425.0K | 0.00% | −239,619−71.9% | Reduced |
| DuPont Capital Management Corp | 70,762 | $320.0K | 0.01% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 65,103 | $294.0K | 0.01% | +54,190+496.6% | Added |
| Algert Global LLC | 63,430 | $287.0K | 0.10% | −2,830−4.3% | Reduced |
| Manufacturers Life Insurance Company, The | 58,137 | $263.0K | 0.00% | +2,919+5.3% | Added |
| Citigroup Inc | 56,580 | $256.0K | 0.00% | +17,683+45.5% | Added |
| American International Group, Inc. | 51,835 | $234.0K | 0.00% | −1,714−3.2% | Reduced |
| Victory Capital Management Inc | 48,159 | $218.0K | 0.00% | +13,424+38.6% | Added |
| Parametric Portfolio Associates LLC | 46,269 | $209.0K | 0.00% | −7,484−13.9% | Reduced |
| Cubist Systematic Strategies, LLC | 42,286 | $191.0K | 0.00% | −2,311−5.2% | Reduced |
| Voya Investment Management LLC | 40,408 | $182.0K | 0.00% | −1,844−4.4% | Reduced |
| Wolverine Asset Management LLC | 39,400 | $178.0K | 0.00% | +39,400 | New |
| Tower Research Capital LLC (TRC) | 36,121 | $163.0K | 0.00% | +10,242+39.6% | Added |
| Advisory Services Network, LLC | 33,450 | $151.0K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 31,686 | $143.0K | 0.00% | +9,630+43.7% | Added |
| Hussman Strategic Advisors, Inc. | 31,000 | $140.0K | 0.03% | −5,000−13.9% | Reduced |
| Squarepoint Ops LLC | 27,032 | $122.0K | 0.00% | −146,778−84.4% | Reduced |
| Commerce Bank | 25,000 | $113.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 23,999 | $108.0K | 0.00% | −552−2.2% | Reduced |
| Banque Cantonale Vaudoise | 23,290 | $105.0K | 0.00% | −615−2.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 23,182 | $105.0K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 23,058 | $104.0K | 0.01% | +23,058 | New |
| SEI Investments Co | 24,361 | $101.0K | 0.00% | −11,572−32.2% | Reduced |
| SG Americas Securities, LLC | 22,123 | $100.0K | 0.00% | −14,757−40.0% | Reduced |
| Bank of America Corp | 21,048 | $95.0K | 0.00% | −52,025−71.2% | Reduced |
| HighVista Strategies LLC | 20,938 | $95.0K | 0.07% | 00.0% | Unchanged |
| Sawgrass Asset Management LLC | 20,220 | $91.0K | 0.01% | +20,220 | New |
| Moseley Investment Management Inc | 18,000 | $81.0K | 0.04% | +18,000 | New |
| Metropolitan Life Insurance Co | 17,666 | $79.8K | 0.00% | −10,401−37.1% | Reduced |
| Amalgamated Bank | 17,469 | $79.0K | 0.00% | +4,546+35.2% | Added |
| Ergoteles LLC | 17,300 | $78.0K | 0.00% | +17,300 | New |
| Mackenzie Financial Corp | 16,499 | $75.0K | 0.00% | +2,777+20.2% | Added |
| Hancock Whitney Corp | 16,293 | $74.0K | 0.00% | +552+3.5% | Added |
| Group One Trading, L.P. | 16,473 | $74.0K | 0.00% | +15,400+1,435.2% | Added |
| Teton Advisors, Inc. | 16,000 | $72.0K | 0.01% | 00.0% | Unchanged |