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 2025
Institutional positions in Accuray Inc as of Dec 31, 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
- 125
- +1 vs. Q3 2025
- Shares held
- 77.5M
- +5.69M (+7.9%) vs. Q3 2025
- Total value
- $60.5M
- −$40.6M (−40.2%) vs. Q3 2025
- New holders
- 18
- 34 more added
- Sold out
- 17
- 53 more reduced
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TCW Group Inc | 15,467,952 | $9.29M | 0.07% | +3,558,595+29.9% | Added |
| BlackRock, Inc. | 8,547,129 | $7.05M | 0.00% | −220,172−2.5% | Reduced |
| Vanguard Group Inc | 5,818,576 | $4.80M | 0.00% | +341,899+6.2% | Added |
| Weber Capital Management LLC | 5,055,294 | $4.17M | 3.94% | +5,055,294 | New |
| Neuberger Berman Group LLC | 4,966,968 | $4.09M | 0.00% | −316,678−6.0% | Reduced |
| Armistice Capital, LLC | 4,500,000 | $3.71M | 0.09% | +1,176,000+35.4% | Added |
| Heartland Advisors Inc | 3,328,307 | $2.74M | 0.15% | −1,668,193−33.4% | Reduced |
| Geode Capital Management, LLC | 2,476,344 | $2.04M | 0.00% | −14,053−0.6% | Reduced |
| Renaissance Technologies LLC | 2,452,607 | $2.02M | 0.00% | −31,677−1.3% | Reduced |
| State Street Corp | 1,996,467 | $1.65M | 0.00% | +1,597+0.1% | Added |
| Mackenzie Financial Corp | 1,918,086 | $1.54M | 0.00% | +831,220+76.5% | Added |
| D. E. Shaw & Co., Inc. | 1,683,269 | $1.39M | 0.00% | −110,122−6.1% | Reduced |
| Silverback Asset Management LLC | 1,532,519 | $1.26M | 0.19% | +466,465+43.8% | Added |
| DAFNA Capital Management LLC | 1,395,508 | $1.15M | 0.27% | +173,150+14.2% | Added |
| FMR LLC | 1,063,632 | $877.1K | 0.00% | +189,001+21.6% | Added |
| Kovack Advisors, Inc. | 953,075 | $785.9K | 0.04% | −72,800−7.1% | Reduced |
| Citadel Advisors LLC | 892,328 | $735.8K | 0.00% | +229,829+34.7% | Added |
| Parkman Healthcare Partners LLC | 852,012 | $702.6K | 0.07% | +852,012 | New |
| Goldman Sachs Group Inc | 773,774 | $638.1K | 0.00% | +199,801+34.8% | Added |
| Northern Trust Corp | 760,594 | $627.2K | 0.00% | −56,069−6.9% | Reduced |
| Jacobs Levy Equity Management, Inc | 733,953 | $605.2K | 0.00% | +210,808+40.3% | Added |
| North Star Investment Management Corp. | 684,320 | $564.3K | 0.04% | −478,000−41.1% | Reduced |
| Silverberg Bernstein Capital Management LLC | 648,548 | $534.8K | 0.31% | +15,300+2.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 602,114 | $496.5K | 0.00% | +16,164+2.8% | Added |
| Acadian Asset Management LLC | 570,089 | $467.0K | 0.00% | +260,956+84.4% | Added |
| Tenor Capital Management Co., L.P. | 500,000 | $412.3K | 0.01% | −500,000−50.0% | Reduced |
| Morgan Stanley | 476,143 | $392.6K | 0.00% | −279,461−37.0% | Reduced |
| Charles Schwab Investment Management Inc | 377,417 | $311.2K | 0.00% | −4,069−1.1% | Reduced |
| UBS Group AG | 365,485 | $301.5K | 0.00% | −8,347−2.2% | Reduced |
| Jane Street Group, LLC | 328,043 | $270.5K | 0.00% | +204,122+164.7% | Added |
| Barclays PLC | 321,258 | $264.9K | 0.00% | +9,644+3.1% | Added |
| Dimensional Fund Advisors LP | 294,963 | $243.1K | 0.00% | −44,330−13.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 294,720 | $243.0K | 0.00% | +294,720 | New |
| Nuveen, LLC | 293,679 | $242.2K | 0.00% | −810,480−73.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 283,595 | $240.7K | 0.00% | +187,197+194.2% | Added |
| Invesco Ltd. | 245,000 | $202.0K | 0.00% | +84,528+52.7% | Added |
| Two Sigma Investments, LP | 236,520 | $195.0K | 0.00% | −27,325−10.4% | Reduced |
| Wells Fargo & Company | 220,009 | $181.4K | 0.00% | −135,793−38.2% | Reduced |
| Bank of New York Mellon Corp | 219,959 | $181.4K | 0.00% | −25,643−10.4% | Reduced |
| Tudor Investment Corp Et Al | 211,597 | $174.5K | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 205,228 | $169.2K | 0.00% | −288,499−58.4% | Reduced |
| Ameriprise Financial Inc | 183,537 | $151.3K | 0.00% | +139,955+321.1% | Added |
| Bridgeway Capital Management, LLC | 174,425 | $143.8K | 0.00% | +45,025+34.8% | Added |
| Virtu Financial LLC | 166,673 | $137.0K | 0.01% | +166,673 | New |
| Bank of America Corp | 156,671 | $129.1K | 0.00% | +33,520+27.2% | Added |
| Los Angeles Capital Management LLC | 87,775 | $121.1K | 0.00% | −16,902−16.1% | Reduced |
| Two Sigma Advisers, LP | 139,413 | $115.0K | 0.00% | +18,600+15.4% | Added |
| Williams & Novak, LLC | 118,855 | $98.0K | 0.07% | +41,425+53.5% | Added |
| HSBC Holdings PLC | 111,442 | $93.8K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 88,542 | $73.5K | 0.00% | +7,960+9.9% | Added |
| Perkins Capital Management Inc | 86,500 | $71.3K | 0.06% | +15,700+22.2% | Added |
| Panagora Asset Management Inc | 84,989 | $70.1K | 0.00% | +21,360+33.6% | Added |
| SEI Investments Co | 83,540 | $68.9K | 0.00% | −5,790−6.5% | Reduced |
| Rhumbline Advisers | 82,495 | $68.1K | 0.00% | −378−0.5% | Reduced |
| Susquehanna International Group, LLP | 81,585 | $67.3K | 0.00% | −107,803−56.9% | Reduced |
| Public Employees Retirement System of Ohio | 77,600 | $64.0K | 0.00% | +56,500+267.8% | Added |
| Canada Pension Plan Investment Board | 61,100 | $50.4K | 0.00% | +61,100 | New |
| Centiva Capital, LP | 60,695 | $50.0K | 0.00% | +60,695 | New |
| Alliancebernstein L.P. | 54,730 | $45.1K | 0.00% | 00.0% | Unchanged |
| Oxford Asset Management LLP | 53,526 | $44.1K | 0.02% | +53,526 | New |
| Price T Rowe Associates Inc | 50,833 | $42.0K | 0.00% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 50,032 | $41.0K | 0.00% | +50,032 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 46,008 | $37.9K | 0.00% | −1,180−2.5% | Reduced |
| Gabelli Funds LLC | 43,800 | $36.1K | 0.00% | −1,200−2.7% | Reduced |
| Intech Investment Management LLC | 42,709 | $35.2K | 0.00% | −5,981−12.3% | Reduced |
| AQR Capital Management LLC | 42,653 | $35.2K | 0.00% | −94,954−69.0% | Reduced |
| BNP Paribas Arbitrage, SA | 40,712 | $33.6K | 0.00% | +1,343+3.4% | Added |
| JPMorgan Chase & Co | 40,306 | $33.2K | 0.00% | −142,188−77.9% | Reduced |
| XTX Topco Ltd | 37,285 | $30.7K | 0.00% | −2,826−7.0% | Reduced |
| LPL Financial LLC | 34,025 | $28.1K | 0.00% | −24,944−42.3% | Reduced |
| Thrivent Financial for Lutherans | 31,800 | $26.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 29,096 | $24.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 28,113 | $23.2K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 27,602 | $22.8K | 0.00% | −1,561−5.4% | Reduced |
| Nine Masts Capital Ltd | 25,202 | $20.8K | 0.00% | +25,202 | New |
| Globeflex Capital L P | 25,045 | $20.7K | 0.00% | −222,280−89.9% | Reduced |
| Graham Capital Management, L.P. | 23,748 | $19.6K | 0.00% | −15,823−40.0% | Reduced |
| SG Americas Securities, LLC | 23,103 | $19.0K | 0.00% | −11,668−33.6% | Reduced |
| Sagewood Asset Management LP | 22,793 | $18.8K | 0.01% | +22,793 | New |
| Verition Fund Management LLC | 21,915 | $18.1K | 0.00% | +21,915 | New |
| Marshall Wace, LLP | 21,914 | $18.0K | 0.00% | −470,267−95.5% | Reduced |
| Franklin Resources Inc | 21,766 | $17.9K | 0.00% | +19,557+885.3% | Added |
| Voya Investment Management LLC | 21,433 | $17.7K | 0.00% | 00.0% | Unchanged |
| Teton Advisors, LLC | 20,000 | $16.5K | 0.01% | −20,000−50.0% | Reduced |
| Gsa Capital Partners LLP | 18,139 | $15.0K | 0.00% | −62,562−77.5% | Reduced |
| ProShare Advisors LLC | 18,104 | $14.9K | 0.00% | +763+4.4% | Added |
| Engineers Gate Manager LP | 16,810 | $13.9K | 0.00% | +16,810 | New |
| Prudential Financial Inc | 14,525 | $12.0K | 0.00% | −20,945−59.0% | Reduced |
| Sawgrass Asset Management LLC | 14,157 | $11.7K | 0.00% | +14,157 | New |
| Associated Banc-Corp | 13,675 | $11.3K | 0.00% | +13,675 | New |
| Tower Research Capital LLC (TRC) | 12,712 | $10.5K | 0.00% | +5,148+68.1% | Added |
| Victory Capital Management Inc | 12,465 | $10.3K | 0.00% | +58+0.5% | Added |
| Manufacturers Life Insurance Company, The | 12,296 | $10.1K | 0.00% | −26,554−68.4% | Reduced |
| Fisher Asset Management, LLC | 12,060 | $9.94K | 0.00% | +12,060 | New |
| Legal & General Group Plc | 11,191 | $9.23K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 11,827 | $9.00K | 0.00% | +11,827 | New |
| Millennium Management LLC | 10,391 | $8.57K | 0.00% | −144,024−93.3% | Reduced |
| MML Investors Services, LLC | 10,000 | $8.25K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 8,401 | $6.93K | 0.00% | −218,066−96.3% | Reduced |
| Ameritas Investment Partners, Inc. | 7,702 | $6.35K | 0.00% | 00.0% | Unchanged |