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, Q4 2021
Institutional positions in Accuray Inc as of Dec 31, 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
- 142
- +10 vs. Q3 2021
- Shares held
- 69.8M
- +2.69M (+4.0%) vs. Q3 2021
- Total value
- $332.7M
- +$67.6M (+25.5%) vs. Q3 2021
- New holders
- 23
- 48 more added
- Sold out
- 13
- 48 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 7,635,957 | $36.4M | 0.00% | −91,317−1.2% | Reduced |
| Neuberger Berman Group LLC | 5,061,664 | $23.8M | 0.02% | +69,133+1.4% | Added |
| Vanguard Group Inc | 4,388,177 | $20.9M | 0.00% | −245,939−5.3% | Reduced |
| Archon Capital Management LLC | 4,229,853 | $20.2M | 4.53% | −483,817−10.3% | Reduced |
| Heartland Advisors Inc | 3,377,100 | $16.1M | 0.94% | −26,700−0.8% | Reduced |
| Renaissance Technologies LLC | 3,286,307 | $15.7M | 0.02% | −648,500−16.5% | Reduced |
| State Street Corp | 3,274,008 | $15.6M | 0.00% | +614,241+23.1% | Added |
| D. E. Shaw & Co., Inc. | 2,783,438 | $13.3M | 0.02% | −68,001−2.4% | Reduced |
| Millennium Management LLC | 2,718,775 | $13.0M | 0.01% | +2,206,997+431.2% | Added |
| Geode Capital Management, LLC | 2,107,843 | $10.1M | 0.00% | +224,785+11.9% | Added |
| Dimensional Fund Advisors LP | 2,091,382 | $9.98M | 0.00% | −113,857−5.2% | Reduced |
| Royce & Associates LP | 1,922,865 | $9.17M | 0.07% | +163,185+9.3% | Added |
| Harbert Fund Advisors, Inc. | 1,824,184 | $8.70M | 4.02% | +20,000+1.1% | Added |
| Two Sigma Advisers, LP | 1,567,413 | $7.48M | 0.02% | +540,800+52.7% | Added |
| Acadian Asset Management LLC | 1,433,914 | $6.84M | 0.03% | +165,221+13.0% | Added |
| Wellington Management Group LLP | 1,413,300 | $6.74M | 0.00% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 1,389,060 | $6.63M | 0.04% | +150,392+12.1% | Added |
| Two Sigma Investments, LP | 1,275,663 | $6.08M | 0.01% | +254,877+25.0% | Added |
| DAFNA Capital Management LLC | 941,800 | $4.49M | 1.13% | 00.0% | Unchanged |
| Kovack Advisors, Inc. | 931,950 | $4.45M | 0.43% | −3,900−0.4% | Reduced |
| Northern Trust Corp | 859,593 | $4.10M | 0.00% | −47,872−5.3% | Reduced |
| Foundry Partners, LLC | 823,610 | $3.93M | 0.14% | +141,975+20.8% | Added |
| Lapides Asset Management, LLC | 759,600 | $3.62M | 1.58% | −20,300−2.6% | Reduced |
| BNP Paribas Arbitrage, SA | 714,092 | $3.41M | 0.01% | +579,561+430.8% | Added |
| Rice Hall James & Associates, LLC | 704,461 | $3.36M | 0.12% | +229,988+48.5% | Added |
| Fuller & Thaler Asset Management, Inc. | 545,412 | $2.60M | 0.02% | +545,412 | New |
| Charles Schwab Investment Management Inc | 513,439 | $2.45M | 0.00% | −6,645−1.3% | Reduced |
| JPMorgan Chase & Co | 512,523 | $2.44M | 0.00% | −8,354−1.6% | Reduced |
| Primecap Management Co | 510,200 | $2.43M | 0.00% | −300,400−37.1% | Reduced |
| Nuveen Asset Management, LLC | 511,051 | $2.38M | 0.00% | +13,643+2.7% | Added |
| Russell Investments Group, Ltd. | 451,024 | $2.15M | 0.00% | −9,406−2.0% | Reduced |
| State Board of Administration of Florida Retirement System | 396,317 | $1.89M | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 368,177 | $1.76M | 0.00% | +86,479+30.7% | Added |
| Knights of Columbus Asset Advisors LLC | 340,525 | $1.62M | 0.13% | +5,877+1.8% | Added |
| Arrowstreet Capital, Limited Partnership | 338,632 | $1.61M | 0.00% | +309,932+1,079.9% | Added |
| Globeflex Capital L P | 309,311 | $1.48M | 0.30% | +157+0.1% | Added |
| Allspring Global Investments Holdings, LLC | 308,582 | $1.47M | 0.00% | +308,582 | New |
| Bank of New York Mellon Corp | 301,406 | $1.44M | 0.00% | −45,085−13.0% | Reduced |
| EAM Investors, LLC | 285,372 | $1.36M | 0.22% | +285,372 | New |
| AlphaCentric Advisors LLC | 275,000 | $1.31M | 0.38% | +25,000+10.0% | Added |
| Wells Fargo & Company | 270,062 | $1.29M | 0.00% | +122,203+82.6% | Added |
| Goldman Sachs Group Inc | 268,356 | $1.28M | 0.00% | −23,683−8.1% | Reduced |
| Panagora Asset Management Inc | 265,817 | $1.27M | 0.01% | +22,362+9.2% | Added |
| Endurant Capital Management LP | 245,764 | $1.17M | 0.32% | +245,764 | New |
| Engineers Gate Manager LP | 236,643 | $1.13M | 0.05% | +38,454+19.4% | Added |
| Morgan Stanley | 236,045 | $1.13M | 0.00% | +6,742+2.9% | Added |
| Gsa Capital Partners LLP | 223,553 | $1.07M | 0.13% | −3,329−1.5% | Reduced |
| Assenagon Asset Management S.A. | 220,246 | $1.05M | 0.00% | −254,530−53.6% | Reduced |
| Cubist Systematic Strategies, LLC | 208,510 | $995.0K | 0.01% | +182,393+698.4% | Added |
| Massachusetts Financial Services Co | 205,057 | $978.0K | 0.00% | −4,155−2.0% | Reduced |
| Parallel Advisors, LLC | 194,880 | $930.0K | 0.03% | +20,179+11.6% | Added |
| Verition Fund Management LLC | 186,622 | $890.0K | 0.01% | −65,524−26.0% | Reduced |
| Citadel Advisors LLC | 175,531 | $837.0K | 0.00% | +144,173+459.8% | Added |
| Tudor Investment Corp Et Al | 173,801 | $829.0K | 0.02% | −11,333−6.1% | Reduced |
| Cowen Prime Advisors LLC | 171,086 | $816.0K | 0.28% | −296−0.2% | Reduced |
| Putnam Investments LLC | 139,711 | $667.0K | 0.00% | +139,711 | New |
| Price T Rowe Associates Inc | 136,258 | $650.0K | 0.00% | +19,488+16.7% | Added |
| Barclays PLC | 130,771 | $624.0K | 0.00% | +71,590+121.0% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 122,209 | $584.0K | 0.00% | −10,291−7.8% | Reduced |
| Alliancebernstein L.P. | 111,031 | $530.0K | 0.00% | −25,400−18.6% | Reduced |
| Marathon Capital Management | 110,000 | $525.0K | 0.12% | 00.0% | Unchanged |
| Invesco Ltd. | 108,353 | $518.0K | 0.00% | −31,077−22.3% | Reduced |
| Marshall Wace, LLP | 108,326 | $517.0K | 0.00% | −384,795−78.0% | Reduced |
| Jump Financial, LLC | 100,000 | $477.0K | 0.03% | +21,802+27.9% | Added |
| Rhumbline Advisers | 98,480 | $470.0K | 0.00% | −1,514−1.5% | Reduced |
| Squarepoint Ops LLC | 95,010 | $453.0K | 0.00% | +76,844+423.0% | Added |
| Tocqueville Asset Management L.P. | 85,000 | $405.0K | 0.01% | 00.0% | Unchanged |
| Campbell & CO Investment Adviser LLC | 81,400 | $388.0K | 0.13% | +81,400 | New |
| Susquehanna International Group, LLP | 78,985 | $377.0K | 0.00% | +16,481+26.4% | Added |
| Principal Financial Group Inc | 76,161 | $363.0K | 0.00% | −40,127−34.5% | Reduced |
| Tower Research Capital LLC (TRC) | 69,870 | $333.0K | 0.01% | +32,251+85.7% | Added |
| Truist Financial Corp | 67,120 | $320.0K | 0.00% | +67,120 | New |
| Voya Investment Management LLC | 66,467 | $317.0K | 0.00% | +26,059+64.5% | Added |
| Algert Global LLC | 58,666 | $280.0K | 0.03% | −5,800−9.0% | Reduced |
| Deutsche Bank AG | 58,332 | $278.0K | 0.00% | +50.0% | Added |
| Occudo Quantitative Strategies LP | 57,481 | $274.0K | 0.02% | −22,081−27.8% | Reduced |
| Qube Research & Technologies Ltd | 51,916 | $248.0K | 0.00% | +51,916 | New |
| Manufacturers Life Insurance Company, The | 51,255 | $244.0K | 0.00% | −5,736−10.1% | Reduced |
| California State Teachers Retirement System | 49,956 | $238.0K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 48,682 | $232.0K | 0.00% | +29,619+155.4% | Added |
| American International Group, Inc. | 47,896 | $228.0K | 0.00% | −2,736−5.4% | Reduced |
| New York State Common Retirement Fund | 45,562 | $217.0K | 0.00% | −113−0.2% | Reduced |
| ExodusPoint Capital Management, LP | 43,574 | $208.0K | 0.00% | +33,198+319.9% | Added |
| Citigroup Inc | 41,327 | $197.0K | 0.00% | −603−1.4% | Reduced |
| Parametric Portfolio Associates LLC | 38,951 | $186.0K | 0.00% | +5,465+16.3% | Added |
| Teton Advisors, Inc. | 35,000 | $167.0K | 0.02% | +19,000+118.8% | Added |
| Paloma Partners Management Co | 33,826 | $161.0K | 0.01% | +33,826 | New |
| SG Americas Securities, LLC | 33,124 | $158.0K | 0.00% | −20,854−38.6% | Reduced |
| Advisory Services Network, LLC | 30,800 | $147.0K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 27,374 | $131.0K | 0.01% | −6,099−18.2% | Reduced |
| Rafferty Asset Management, LLC | 26,367 | $126.0K | 0.00% | +1,339+5.4% | Added |
| Commerce Bank | 25,000 | $119.0K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 24,950 | $119.0K | 0.01% | +24,950 | New |
| Susquehanna Fundamental Investments, LLC | 24,154 | $115.0K | 0.00% | −31,245−56.4% | Reduced |
| Metropolitan Life Insurance Co | 23,994 | $114.5K | 0.00% | −1,073−4.3% | Reduced |
| SEI Investments Co | 27,391 | $114.0K | 0.00% | +2,574+10.4% | Added |
| O'Shaughnessy Asset Management, LLC | 23,182 | $111.0K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 22,820 | $109.0K | 0.00% | −180,028−88.8% | Reduced |
| Los Angeles Capital Management LLC | 20,215 | $96.0K | 0.00% | −106,302−84.0% | Reduced |
| Royal Bank of Canada | 19,744 | $95.0K | 0.00% | +2,521+14.6% | Added |