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 2026
Institutional positions in Accuray Inc as of Mar 31, 2026. 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
- +3 vs. Q4 2025
- Shares held
- 75.6M
- +3.95M (+5.5%) vs. Q4 2025
- Total value
- $27.4M
- −$28.2M (−50.7%) vs. Q4 2025
- New holders
- 30
- 40 more added
- Sold out
- 27
- 30 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TCW Group Inc | 15,467,952 | $4.08M | 0.03% | 00.0% | Unchanged |
| BlackRock, Inc. | 8,458,409 | $3.28M | 0.00% | −88,720−1.0% | Reduced |
| Neuberger Berman Group LLC | 5,855,064 | $2.25M | 0.00% | +888,096+17.9% | Added |
| Armistice Capital, LLC | 5,636,000 | $2.19M | 0.07% | +1,136,000+25.2% | Added |
| Weber Capital Management LLC | 5,055,294 | $1.96M | 1.96% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 4,430,392 | $1.72M | 0.00% | +4,430,392 | New |
| Geode Capital Management, LLC | 2,380,839 | $924.2K | 0.00% | −95,505−3.9% | Reduced |
| Mackenzie Financial Corp | 2,346,360 | $910.6K | 0.00% | +428,274+22.3% | Added |
| Renaissance Technologies LLC | 2,290,984 | $889.1K | 0.00% | −161,623−6.6% | Reduced |
| State Street Corp | 2,017,653 | $783.1K | 0.00% | +21,186+1.1% | Added |
| Heartland Advisors Inc | 1,977,450 | $767.4K | 0.04% | −1,350,857−40.6% | Reduced |
| DAFNA Capital Management LLC | 1,680,508 | $652.2K | 0.15% | +285,000+20.4% | Added |
| Silverback Asset Management LLC | 1,650,000 | $640.4K | 0.13% | +117,481+7.7% | Added |
| UBS Group AG | 1,401,766 | $543.9K | 0.00% | +1,036,281+283.5% | Added |
| FMR LLC | 1,288,788 | $500.2K | 0.00% | +225,156+21.2% | Added |
| Parkman Healthcare Partners LLC | 884,578 | $343.3K | 0.04% | +32,566+3.8% | Added |
| Goldman Sachs Group Inc | 861,635 | $334.4K | 0.00% | +87,861+11.4% | Added |
| D. E. Shaw & Co., Inc. | 843,646 | $327.4K | 0.00% | −839,623−49.9% | Reduced |
| Vanguard Fiduciary Trust Co | 765,448 | $297.0K | 0.00% | +765,448 | New |
| Kovack Advisors, Inc. | 738,096 | $287.0K | 0.02% | −214,979−22.6% | Reduced |
| Northern Trust Corp | 717,045 | $278.3K | 0.00% | −43,549−5.7% | Reduced |
| Silverberg Bernstein Capital Management LLC | 655,681 | $254.5K | 0.14% | +7,133+1.1% | Added |
| AQR Capital Management LLC | 617,477 | $239.6K | 0.00% | +574,824+1,347.7% | Added |
| Vanguard Portfolio Management LLC | 595,229 | $230.9K | 0.00% | +595,229 | New |
| Squarepoint Ops LLC | 547,076 | $212.3K | 0.00% | +547,076 | New |
| Tenor Capital Management Co., L.P. | 500,000 | $194.1K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 394,270 | $152.0K | 0.00% | −175,819−30.8% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 334,023 | $129.6K | 0.00% | +50,428+17.8% | Added |
| Invesco Ltd. | 328,175 | $127.4K | 0.00% | +83,175+33.9% | Added |
| Nuveen, LLC | 295,412 | $114.6K | 0.00% | +1,733+0.6% | Added |
| Dimensional Fund Advisors LP | 294,903 | $114.2K | 0.00% | −600.0% | Reduced |
| Morgan Stanley | 288,813 | $112.1K | 0.00% | −187,330−39.3% | Reduced |
| Deutsche Bank AG | 245,107 | $95.6K | 0.00% | +156,565+176.8% | Added |
| Charles Schwab Investment Management Inc | 239,163 | $92.8K | 0.00% | −138,254−36.6% | Reduced |
| Bank of New York Mellon Corp | 219,959 | $85.4K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 211,597 | $82.1K | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 204,015 | $79.2K | 0.00% | −1,213−0.6% | Reduced |
| Barclays PLC | 184,610 | $71.6K | 0.00% | −136,648−42.5% | Reduced |
| Williams & Novak, LLC | 182,030 | $70.8K | 0.05% | +63,175+53.2% | Added |
| Bank of America Corp | 172,109 | $66.8K | 0.00% | +15,438+9.9% | Added |
| North Star Investment Management Corp. | 164,620 | $63.9K | 0.00% | −519,700−75.9% | Reduced |
| Jacobs Levy Equity Management, Inc | 162,505 | $63.1K | 0.00% | −571,448−77.9% | Reduced |
| Wells Fargo & Company | 147,547 | $57.3K | 0.00% | −72,462−32.9% | Reduced |
| Schonfeld Strategic Advisors LLC | 132,292 | $51.3K | 0.00% | −162,428−55.1% | Reduced |
| Gsa Capital Partners LLP | 128,065 | $50.0K | 0.00% | +109,926+606.0% | Added |
| Alliancebernstein L.P. | 54,730 | $45.1K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 111,442 | $40.8K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 88,948 | $34.5K | 0.00% | +5,408+6.5% | Added |
| JPMorgan Chase & Co | 79,843 | $27.2K | 0.00% | +39,537+98.1% | Added |
| Rhumbline Advisers | 69,376 | $26.9K | 0.00% | −13,119−15.9% | Reduced |
| Marshall Wace, LLP | 68,751 | $26.8K | 0.00% | +46,837+213.7% | Added |
| Franklin Resources Inc | 65,681 | $25.5K | 0.00% | +43,915+201.8% | Added |
| Panagora Asset Management Inc | 55,648 | $21.6K | 0.00% | −29,341−34.5% | Reduced |
| Perkins Capital Management Inc | 52,500 | $20.4K | 0.02% | −34,000−39.3% | Reduced |
| Price T Rowe Associates Inc | 50,833 | $20.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 50,775 | $19.7K | 0.00% | +10,063+24.7% | Added |
| Mariner, LLC | 49,226 | $19.1K | 0.00% | +21,624+78.3% | Added |
| Janney Montgomery Scott LLC | 50,032 | $19.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 47,130 | $18.3K | 0.00% | +1,122+2.4% | Added |
| Gabelli Funds LLC | 43,800 | $17.0K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 43,427 | $16.9K | 0.00% | +43,427 | New |
| Vanguard Global Advisers, LLC | 41,222 | $16.0K | 0.00% | +41,222 | New |
| Cerity Partners LLC | 35,484 | $13.8K | 0.00% | +35,484 | New |
| Susquehanna International Group, LLP | 33,777 | $13.1K | 0.00% | −47,808−58.6% | Reduced |
| Thrivent Financial for Lutherans | 34,080 | $13.0K | 0.00% | +2,280+7.2% | Added |
| Tower Research Capital LLC (TRC) | 30,839 | $12.0K | 0.00% | +18,127+142.6% | Added |
| Intech Investment Management LLC | 29,777 | $11.6K | 0.00% | −12,932−30.3% | Reduced |
| New York State Common Retirement Fund | 29,096 | $11.3K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 28,113 | $10.9K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 26,718 | $10.4K | 0.00% | +21,435+405.7% | Added |
| Two Sigma Investments, LP | 23,400 | $9.08K | 0.00% | −213,120−90.1% | Reduced |
| Harbour Investments, Inc. | 23,361 | $9.07K | 0.00% | +19,981+591.2% | Added |
| Oppenheimer & Co Inc | 21,000 | $8.15K | 0.00% | +21,000 | New |
| R Squared Ltd | 20,418 | $7.92K | 0.00% | +20,418 | New |
| Flow Traders U.S. LLC | 17,752 | $7.00K | 0.00% | +17,752 | New |
| Teton Advisors, LLC | 18,000 | $6.99K | 0.00% | −2,000−10.0% | Reduced |
| Mercer Global Advisors Inc | 16,911 | $6.56K | 0.00% | +16,911 | New |
| Abel Hall, LLC | 16,427 | $6.38K | 0.00% | +16,427 | New |
| Prudential Financial Inc | 16,005 | $6.08K | 0.00% | +1,480+10.2% | Added |
| Wealth Enhancement Advisory Services, LLC | 14,633 | $6.08K | 0.00% | +14,633 | New |
| LPL Financial LLC | 14,541 | $5.64K | 0.00% | −19,484−57.3% | Reduced |
| ProShare Advisors LLC | 14,364 | $5.57K | 0.00% | −3,740−20.7% | Reduced |
| Creative Planning | 14,112 | $5.48K | 0.00% | +14,112 | New |
| Sawgrass Asset Management LLC | 13,832 | $5.37K | 0.00% | −325−2.3% | Reduced |
| Associated Banc-Corp | 13,675 | $5.31K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 13,300 | $5.16K | 0.00% | −161,125−92.4% | Reduced |
| Victory Capital Management Inc | 12,908 | $5.01K | 0.00% | +443+3.6% | Added |
| Two Sigma Securities, LLC | 11,298 | $4.38K | 0.00% | +11,298 | New |
| Envestnet Asset Management Inc | 10,378 | $4.03K | 0.00% | +10,378 | New |
| Principal Financial Group Inc | 10,275 | $3.99K | 0.00% | +10,275 | New |
| MML Investors Services, LLC | 10,000 | $3.88K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 9,424 | $3.66K | 0.00% | −1,767−15.8% | Reduced |
| Russell Investments Group, Ltd. | 8,401 | $3.26K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 7,702 | $2.99K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 5,165 | $2.00K | 0.00% | +1,450+39.0% | Added |
| Fifth Third Bancorp | 4,256 | $1.65K | 0.00% | +4,256 | New |
| Allworth Financial LP | 3,878 | $1.51K | 0.00% | +978+33.7% | Added |
| Public Employees Retirement System of Ohio | 3,075 | $1.19K | 0.00% | −74,525−96.0% | Reduced |
| Simplex Trading, LLC | 2,886 | $1.12K | 0.00% | +2,886 | New |
| Optiver Holding B.V. | 1,712 | $664 | 0.00% | 00.0% | Unchanged |