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, Q2 2021
Institutional positions in Accuray Inc as of Jun 30, 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
- 130
- −6 vs. Q1 2021
- Shares held
- 70.6M
- +1.47M (+2.1%) vs. Q1 2021
- Total value
- $319.1M
- −$22.9M (−6.7%) vs. Q1 2021
- New holders
- 15
- 48 more added
- Sold out
- 21
- 45 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Board of Administration of Florida Retirement System | 543,860 | $2.46M | 0.00% | +48,688+9.8% | Added |
| Millennium Management LLC | 611,264 | $2.76M | 0.00% | −434,419−41.5% | Reduced |
| JPMorgan Chase & Co | 645,644 | $2.92M | 0.00% | −323,403−33.4% | Reduced |
| Bank of New York Mellon Corp | 675,922 | $3.06M | 0.00% | +74,985+12.5% | Added |
| Russell Investments Group, Ltd. | 704,086 | $3.18M | 0.01% | +203,704+40.7% | Added |
| Lapides Asset Management, LLC | 780,200 | $3.53M | 1.41% | 00.0% | Unchanged |
| Kovack Advisors, Inc. | 799,850 | $3.62M | 0.41% | +87,250+12.2% | Added |
| Primecap Management Co | 840,000 | $3.80M | 0.00% | −697,900−45.4% | Reduced |
| Two Sigma Investments, LP | 846,982 | $3.83M | 0.01% | −41,991−4.7% | Reduced |
| Charles Schwab Investment Management Inc | 926,668 | $4.19M | 0.00% | +44,116+5.0% | Added |
| Northern Trust Corp | 926,951 | $4.19M | 0.00% | −49,802−5.1% | Reduced |
| DAFNA Capital Management LLC | 941,800 | $4.26M | 0.89% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 947,313 | $4.28M | 0.01% | +116,600+14.0% | Added |
| Acadian Asset Management LLC | 1,163,014 | $5.26M | 0.02% | −137,925−10.6% | Reduced |
| Walthausen & Co., LLC | 1,472,550 | $6.66M | 1.47% | +68,420+4.9% | Added |
| Wellington Management Group LLP | 1,614,600 | $7.30M | 0.00% | +119,400+8.0% | Added |
| Harbert Fund Advisors, Inc. | 1,630,318 | $7.37M | 4.11% | +1,630,318 | New |
| Jacobs Levy Equity Management, Inc | 1,637,076 | $7.40M | 0.05% | +45,076+2.8% | Added |
| Geode Capital Management, LLC | 1,849,940 | $8.36M | 0.00% | +46,453+2.6% | Added |
| Royce & Associates LP | 1,955,269 | $8.84M | 0.06% | +46,275+2.4% | Added |
| HealthInvest Partners AB | 2,300,000 | $10.4M | 9.85% | +325,000+16.5% | Added |
| D. E. Shaw & Co., Inc. | 2,467,051 | $11.2M | 0.01% | +338,779+15.9% | Added |
| Dimensional Fund Advisors LP | 2,485,649 | $11.2M | 0.00% | +47,865+2.0% | Added |
| State Street Corp | 2,641,183 | $11.9M | 0.00% | +813,424+44.5% | Added |
| Heartland Advisors Inc | 3,398,500 | $15.4M | 0.89% | −9,000−0.3% | Reduced |
| Renaissance Technologies LLC | 3,710,825 | $16.8M | 0.02% | +99,741+2.8% | Added |
| Archon Capital Management LLC | 4,582,668 | $20.7M | 4.41% | 00.0% | Unchanged |
| Vanguard Group Inc | 5,085,824 | $23.0M | 0.00% | +348,644+7.4% | Added |
| Neuberger Berman Group LLC | 5,119,816 | $23.1M | 0.02% | −109,876−2.1% | Reduced |
| BlackRock Inc. | 7,914,921 | $35.8M | 0.00% | −412,358−5.0% | Reduced |
| EAM Investors, LLC | 0 | $0 | 0.00% | −232,107−100.0% | Sold out |
| Wedge Capital Management L L P | 0 | $0 | 0.00% | −207,052−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −186,400−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −102,999−100.0% | Sold out |
| Mackay Shields LLC | 0 | $0 | 0.00% | −59,500−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −71,884−100.0% | Sold out |
| Bailard, Inc. | 0 | $0 | 0.00% | −43,517−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −41,613−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −34,252−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −22,895−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −21,782−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −21,528−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −20,426−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −18,133−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −14,496−100.0% | Sold out |
| Dorsey Wright & Associates | 0 | $0 | 0.00% | −7,990−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −7,561−100.0% | Sold out |
| Altshuler Shaham Ltd | 0 | $0 | 0.00% | −7,716−100.0% | Sold out |
| HHM Wealth Advisors, LLC | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| TCI Wealth Advisors, Inc. | 0 | $0 | 0.00% | −359−100.0% | Sold out |
| Ameritas Investment Company, LLC | 0 | $0 | 0.00% | −76−100.0% | Sold out |