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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 2022

Institutional positions in Accuray Inc as of Dec 31, 2022. 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
108
+2 vs. Q3 2022
Shares held
57.2M
−2.28M (−3.8%) vs. Q3 2022
Total value
$119.5M
−$4.18M (−3.4%) vs. Q3 2022
New holders
17
32 more added
Sold out
15
38 more reduced

Compare with Q3 2022: 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.

Institutional holdersQ4 2022: 108 institutions
Q1 2021: 136 institutionsQ2 2021: 130 institutionsQ3 2021: 133 institutionsQ4 2021: 142 institutionsQ1 2022: 144 institutionsQ2 2022: 123 institutionsQ3 2022: 106 institutionsQ4 2022: 108 institutionsQ1 2023: 114 institutionsQ2 2023: 116 institutionsQ3 2023: 114 institutionsQ4 2023: 127 institutionsQ1 2024: 117 institutionsQ2 2024: 115 institutionsQ3 2024: 126 institutionsQ4 2024: 132 institutionsQ1 2025: 129 institutionsQ2 2025: 127 institutionsQ3 2025: 129 institutionsQ4 2025: 125 institutionsQ1 2026: 125 institutionsQ2 2026: 111 institutions
Value heldQ4 2022: $119.5M
Q1 2021: $342.0MQ2 2021: $319.1MQ3 2021: $266.0MQ4 2021: $332.7MQ1 2022: $231.6MQ2 2022: $120.6MQ3 2022: $123.7MQ4 2022: $119.5MQ1 2023: $177.9MQ2 2023: $257.8MQ3 2023: $174.2MQ4 2023: $179.6MQ1 2024: $153.0MQ2 2024: $102.9MQ3 2024: $99.5MQ4 2024: $108.5MQ1 2025: $102.6MQ2 2025: $94.6MQ3 2025: $101.2MQ4 2025: $60.5MQ1 2026: $27.4MQ2 2026: $17.6M
Institutions holding ARAY and their total value by quarter
QuarterHoldersValue
Q2 2026111$17.6M
Q1 2026125$27.4M
Q4 2025125$60.5M
Q3 2025129$101.2M
Q2 2025127$94.6M
Q1 2025129$102.6M
Q4 2024132$108.5M
Q3 2024126$99.5M
Q2 2024115$102.9M
Q1 2024117$153.0M
Q4 2023127$179.6M
Q3 2023114$174.2M
Q2 2023116$257.8M
Q1 2023114$177.9M
Q4 2022108$119.5M
Q3 2022106$123.7M
Q2 2022123$120.6M
Q1 2022144$231.6M
Q4 2021142$332.7M
Q3 2021133$266.0M
Q2 2021130$319.1M
Q1 2021136$342.0M

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q3 2022.

Institutions holding ARAY in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Heartland Advisors Inc2,577,500$5.39M0.34%+80,600+3.2%Added
Royce & Associates LP2,806,235$5.87M0.06%+78,900+2.9%Added
Wellington Management Group LLP2,951,500$6.17M0.00%+287,900+10.8%Added
Renaissance Technologies LLC3,081,020$6.44M0.01%−651,155−17.4%Reduced
BlackRock Inc.3,352,985$7.01M0.00%−14,459−0.4%Reduced
Vanguard Group Inc4,207,754$8.79M0.00%+186,729+4.6%Added
Neuberger Berman Group LLC5,229,865$10.9M0.01%−16,295−0.3%Reduced
Archon Capital Management LLC6,104,738$12.8M4.91%+167,747+2.8%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.0$00.00%−141,337−100.0%Sold out
Bank of Montreal0$00.00%−125,698−100.0%Sold out
Algert Global LLC0$00.00%−102,016−100.0%Sold out
XTX Topco Ltd0$00.00%−66,758−100.0%Sold out
HRT Financial LP0$00.00%−60,540−100.0%Sold out
LMR Partners LLP0$00.00%−32,811−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−25,093−100.0%Sold out
Principal Financial Group Inc0$00.00%−20,120−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−14,470−100.0%Sold out
Lazard Asset Management LLC0$00.00%−11,633−100.0%Sold out
Zebra Capital Management LLC0$00.00%−11,152−100.0%Sold out
Cutler Group LP0$00.00%−5,000−100.0%Sold out
Brown Brothers Harriman & Co0$00.00%−2,605−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−1,266−100.0%Sold out
Bogart Wealth, LLC0$00.00%−150−100.0%Sold out