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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, Q1 2021

Institutional positions in Accuray Inc as of Mar 31, 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
136
No complete 13F data for Q4 2020
Shares held
69.1M
No complete 13F data for Q4 2020
Total value
$342.0M
No complete 13F data for Q4 2020

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 holdersQ1 2021: 136 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 heldQ1 2021: $342.0M
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, Q1 2021

Shares, value and share of portfolio for each institution holding Accuray Inc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ARAY in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Nuveen Asset Management, LLC360,180$1.78M0.00%––
UBS Group AG369,563$1.83M0.00%––
Panagora Asset Management Inc372,696$1.84M0.01%––
Globeflex Capital L P379,898$1.88M0.34%––
Wells Fargo & Company493,876$2.44M0.00%––
Rice Hall James & Associates, LLC494,830$2.45M0.08%––
State Board of Administration of Florida Retirement System495,172$2.45M0.00%––
Russell Investments Group, Ltd.500,382$2.48M0.00%––
AQR Capital Management LLC538,728$2.67M0.00%––
Bank of New York Mellon Corp600,937$2.97M0.00%––
Kovack Advisors, Inc.712,600$3.53M0.46%––
Lapides Asset Management, LLC780,200$3.86M1.62%––
Two Sigma Advisers, LP830,713$4.11M0.01%––
Charles Schwab Investment Management Inc882,552$4.37M0.00%––
Two Sigma Investments, LP888,973$4.40M0.01%––
DAFNA Capital Management LLC941,800$4.66M1.11%––
JPMorgan Chase & Co969,047$4.80M0.00%––
Northern Trust Corp976,753$4.83M0.00%––
Millennium Management LLC1,045,683$5.18M0.01%––
Acadian Asset Management LLC1,300,939$6.44M0.03%––
Walthausen & Co., LLC1,404,130$6.95M1.46%––
Wellington Management Group LLP1,495,200$7.40M0.00%––
Primecap Management Co1,537,900$7.61M0.01%––
Jacobs Levy Equity Management, Inc1,592,000$7.88M0.06%––
Geode Capital Management, LLC1,803,487$8.93M0.00%––
State Street Corp1,827,759$9.05M0.00%––
Royce & Associates LP1,908,994$9.45M0.06%––
HealthInvest Partners AB1,975,000$9.78M7.79%––
D. E. Shaw & Co., Inc.2,128,272$10.5M0.01%––
Dimensional Fund Advisors LP2,437,784$12.1M0.00%––
Heartland Advisors Inc3,407,500$16.9M1.07%––
Renaissance Technologies LLC3,611,084$17.9M0.02%––
Archon Capital Management LLC4,582,668$22.7M5.37%––
Vanguard Group Inc4,737,180$23.4M0.00%––
Neuberger Berman Group LLC5,229,692$25.7M0.02%––
BlackRock Inc.8,327,279$41.2M0.00%––