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 2023
Institutional positions in Accuray Inc as of Dec 31, 2023. 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
- 127
- +13 vs. Q3 2023
- Shares held
- 63.5M
- −585.6K (−0.9%) vs. Q3 2023
- Total value
- $179.6M
- +$5.40M (+3.1%) vs. Q3 2023
- New holders
- 18
- 39 more added
- Sold out
- 5
- 42 more reduced
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 343,726 | $972.7K | 0.00% | +130,275+61.0% | Added |
| Silverberg Bernstein Capital Management LLC | 421,838 | $1.19M | 1.14% | +421,838 | New |
| Two Sigma Advisers, LP | 428,713 | $1.21M | 0.00% | −69,400−13.9% | Reduced |
| FMR LLC | 433,049 | $1.23M | 0.00% | −43,924−9.2% | Reduced |
| Rice Hall James & Associates, LLC | 566,735 | $1.60M | 0.09% | −29,247−4.9% | Reduced |
| Essex Investment Management Co LLC | 655,631 | $1.86M | 0.37% | −46,312−6.6% | Reduced |
| Acuitas Investments, LLC | 708,553 | $2.01M | 1.05% | +91,053+14.7% | Added |
| Northern Trust Corp | 831,969 | $2.35M | 0.00% | +4,006+0.5% | Added |
| First Eagle Investment Management, LLC | 959,508 | $2.72M | 0.01% | +48,583+5.3% | Added |
| Kennedy Capital Management, Inc. | 993,965 | $2.81M | 0.06% | −1,571−0.2% | Reduced |
| North Star Investment Management Corp. | 1,095,920 | $3.10M | 0.24% | +157,975+16.8% | Added |
| Kovack Advisors, Inc. | 1,104,950 | $3.13M | 0.37% | −25,400−2.2% | Reduced |
| DAFNA Capital Management LLC | 1,222,358 | $3.46M | 0.83% | 00.0% | Unchanged |
| Foundry Partners, LLC | 1,470,055 | $4.16M | 0.25% | −26,560−1.8% | Reduced |
| State Street Corp | 1,719,162 | $4.87M | 0.00% | −163,967−8.7% | Reduced |
| Dimensional Fund Advisors LP | 1,785,189 | $5.05M | 0.00% | +8,672+0.5% | Added |
| Wellington Management Group LLP | 1,821,279 | $5.15M | 0.00% | −501,200−21.6% | Reduced |
| Harbert Fund Advisors, Inc. | 1,849,184 | $5.23M | 3.59% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,915,585 | $5.42M | 0.01% | −533,116−21.8% | Reduced |
| Geode Capital Management, LLC | 1,997,076 | $5.65M | 0.00% | +121,143+6.5% | Added |
| Heartland Advisors Inc | 2,857,500 | $8.09M | 0.42% | +9,700+0.3% | Added |
| Renaissance Technologies LLC | 2,865,884 | $8.11M | 0.01% | −56,300−1.9% | Reduced |
| Royce & Associates LP | 3,233,116 | $9.15M | 0.08% | +193,300+6.4% | Added |
| Vanguard Group Inc | 5,269,207 | $14.9M | 0.00% | +45,351+0.9% | Added |
| Neuberger Berman Group LLC | 5,495,414 | $15.6M | 0.01% | −74,737−1.3% | Reduced |
| Archon Capital Management LLC | 6,512,479 | $18.4M | 7.59% | 00.0% | Unchanged |
| BlackRock Inc. | 8,295,754 | $23.5M | 0.00% | +474,861+6.1% | Added |
| AlphaCentric Advisors LLC | 0 | $0 | 0.00% | −350,000−100.0% | Sold out |
| Formula Growth Ltd | 0 | $0 | 0.00% | −184,366−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −3,992−100.0% | Sold out |
| Park Place Capital Corp | 0 | $0 | 0.00% | −3,143−100.0% | Sold out |