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 |
|---|---|---|---|---|---|
| Acadian Asset Management LLC | 570,089 | $467.0K | 0.00% | +260,956+84.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 602,114 | $496.5K | 0.00% | +16,164+2.8% | Added |
| Silverberg Bernstein Capital Management LLC | 648,548 | $534.8K | 0.31% | +15,300+2.4% | Added |
| North Star Investment Management Corp. | 684,320 | $564.3K | 0.04% | −478,000−41.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 733,953 | $605.2K | 0.00% | +210,808+40.3% | Added |
| Northern Trust Corp | 760,594 | $627.2K | 0.00% | −56,069−6.9% | Reduced |
| Goldman Sachs Group Inc | 773,774 | $638.1K | 0.00% | +199,801+34.8% | Added |
| Parkman Healthcare Partners LLC | 852,012 | $702.6K | 0.07% | +852,012 | New |
| Citadel Advisors LLC | 892,328 | $735.8K | 0.00% | +229,829+34.7% | Added |
| Kovack Advisors, Inc. | 953,075 | $785.9K | 0.04% | −72,800−7.1% | Reduced |
| FMR LLC | 1,063,632 | $877.1K | 0.00% | +189,001+21.6% | Added |
| DAFNA Capital Management LLC | 1,395,508 | $1.15M | 0.27% | +173,150+14.2% | Added |
| Silverback Asset Management LLC | 1,532,519 | $1.26M | 0.19% | +466,465+43.8% | Added |
| D. E. Shaw & Co., Inc. | 1,683,269 | $1.39M | 0.00% | −110,122−6.1% | Reduced |
| Mackenzie Financial Corp | 1,918,086 | $1.54M | 0.00% | +831,220+76.5% | Added |
| State Street Corp | 1,996,467 | $1.65M | 0.00% | +1,597+0.1% | Added |
| Renaissance Technologies LLC | 2,452,607 | $2.02M | 0.00% | −31,677−1.3% | Reduced |
| Geode Capital Management, LLC | 2,476,344 | $2.04M | 0.00% | −14,053−0.6% | Reduced |
| Heartland Advisors Inc | 3,328,307 | $2.74M | 0.15% | −1,668,193−33.4% | Reduced |
| Armistice Capital, LLC | 4,500,000 | $3.71M | 0.09% | +1,176,000+35.4% | Added |
| Neuberger Berman Group LLC | 4,966,968 | $4.09M | 0.00% | −316,678−6.0% | Reduced |
| Weber Capital Management LLC | 5,055,294 | $4.17M | 3.94% | +5,055,294 | New |
| Vanguard Group Inc | 5,818,576 | $4.80M | 0.00% | +341,899+6.2% | Added |
| BlackRock, Inc. | 8,547,129 | $7.05M | 0.00% | −220,172−2.5% | Reduced |
| TCW Group Inc | 15,467,952 | $9.29M | 0.07% | +3,558,595+29.9% | Added |
| Acuitas Investments, LLC | 0 | $0 | 0.00% | −2,392,126−100.0% | Sold out |
| Bridge City Capital, LLC | 0 | $0 | 0.00% | −133,156−100.0% | Sold out |
| Marathon Capital Management | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −59,204−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −40,550−100.0% | Sold out |
| MetLife Investment Management | 0 | $0 | 0.00% | −40,242−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −28,464−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −18,285−100.0% | Sold out |
| Oppenheimer & Co Inc | 0 | $0 | 0.00% | −16,000−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −13,828−100.0% | Sold out |
| Voleon Capital Management LP | 0 | $0 | 0.00% | −11,952−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −11,729−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −10,760−100.0% | Sold out |
| Abel Hall, LLC | 0 | $0 | 0.00% | −10,023−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −1,198−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |
| WFA Asset Management Corp | – | – | – | – | Not filed |