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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
Archon Capital Management LLC6,104,738$12.8M4.91%+167,747+2.8%Added
Neuberger Berman Group LLC5,229,865$10.9M0.01%−16,295−0.3%Reduced
Vanguard Group Inc4,207,754$8.79M0.00%+186,729+4.6%Added
BlackRock Inc.3,352,985$7.01M0.00%−14,459−0.4%Reduced
Renaissance Technologies LLC3,081,020$6.44M0.01%−651,155−17.4%Reduced
Wellington Management Group LLP2,951,500$6.17M0.00%+287,900+10.8%Added
Royce & Associates LP2,806,235$5.87M0.06%+78,900+2.9%Added
Heartland Advisors Inc2,577,500$5.39M0.34%+80,600+3.2%Added
D. E. Shaw & Co., Inc.2,464,417$5.15M0.01%−47,523−1.9%Reduced
Harbert Fund Advisors, Inc.1,849,184$3.86M3.33%00.0%Unchanged
Foundry Partners, LLC1,575,447$3.29M0.18%+436,107+38.3%Added
Acadian Asset Management LLC1,571,621$3.28M0.02%+25,101+1.6%Added
Dimensional Fund Advisors LP1,288,616$2.69M0.00%−171,504−11.7%Reduced
Kovack Advisors, Inc.1,247,800$2.61M0.38%−47,266−3.6%Reduced
DAFNA Capital Management LLC1,222,358$2.55M0.72%+280,558+29.8%Added
Geode Capital Management, LLC913,188$1.91M0.00%+19,826+2.2%Added
Jacobs Levy Equity Management, Inc866,611$1.81M0.01%−49,448−5.4%Reduced
Millennium Management LLC860,584$1.80M0.00%−1,772,728−67.3%Reduced
North Star Investment Management Corp.856,470$1.79M0.16%+108,900+14.6%Added
Two Sigma Advisers, LP728,513$1.52M0.00%−203,800−21.9%Reduced
Rice Hall James & Associates, LLC682,794$1.43M0.08%−21,622−3.1%Reduced
Assenagon Asset Management S.A.648,840$1.36M0.01%−819,017−55.8%Reduced
Lapides Asset Management, LLC640,000$1.34M0.71%−82,300−11.4%Reduced
Two Sigma Investments, LP637,228$1.33M0.00%−170,045−21.1%Reduced
FMR LLC553,667$1.16M0.00%+14,413+2.7%Added
Cowen Prime Advisors LLC415,538$868.0K0.36%+252,552+155.0%Added
State Street Corp353,566$739.0K0.00%−403,958−53.3%Reduced
ExodusPoint Capital Management, LP351,794$735.0K0.01%+128,934+57.9%Added
AlphaCentric Advisors LLC350,000$731.5K0.72%00.0%Unchanged
Verition Fund Management LLC330,219$690.2K0.01%−102,475−23.7%Reduced
Charles Schwab Investment Management Inc320,303$669.4K0.00%00.0%Unchanged
First Eagle Investment Management, LLC305,316$638.1K0.00%+305,316New
Morgan Stanley303,679$634.7K0.00%−16,335−5.1%Reduced
Shay Capital LLC293,526$613.5K0.37%+123,526+72.7%Added
Bridgeway Capital Management, LLC288,300$602.5K0.02%+14,200+5.2%Added
Globeflex Capital L P270,834$566.0K0.07%00.0%Unchanged
Citigroup Inc266,446$556.9K0.00%+238,073+839.1%Added
Primecap Management Co235,800$492.8K0.00%−158,520−40.2%Reduced
UBS Group AG232,365$485.6K0.00%+16,710+7.7%Added
Ergoteles LLC231,041$482.9K0.02%−139,546−37.7%Reduced
Tudor Investment Corp Et Al224,501$469.0K0.01%−8,655−3.7%Reduced
Russell Investments Group, Ltd.222,642$465.3K0.00%−3,612−1.6%Reduced
Parallel Advisors, LLC213,591$446.4K0.02%+18,711+9.6%Added
Citadel Advisors LLC209,721$438.3K0.00%−234,452−52.8%Reduced
Price T Rowe Associates Inc194,994$408.0K0.00%00.0%Unchanged
Northern Trust Corp185,733$388.2K0.00%−252−0.1%Reduced
Knights of Columbus Asset Advisors LLC170,661$356.7K0.04%00.0%Unchanged
Susquehanna International Group, LLP164,451$343.7K0.00%+150,044+1,041.5%Added
Boston Private Wealth LLC163,801$342.3K0.00%00.0%Unchanged
Goldman Sachs Group Inc159,976$334.4K0.00%+5,299+3.4%Added
Gsa Capital Partners LLP148,816$311.0K0.04%+10,453+7.6%Added
Invesco Ltd.136,669$285.6K0.00%+496+0.4%Added
Marathon Capital Management111,000$232.0K0.06%00.0%Unchanged
Qube Research & Technologies Ltd98,587$206.0K0.00%+27,991+39.6%Added
Acrisure Capital Management, LLC96,690$202.1K0.22%+96,690New
Susquehanna Fundamental Investments, LLC88,344$184.6K0.00%−19,939−18.4%Reduced
Engineers Gate Manager LP88,017$184.0K0.01%−19,163−17.9%Reduced
683 Capital Management, LLC85,829$179.4K0.02%+85,829New
Marshall Wace, LLP77,561$162.1K0.00%+77,561New
Man Group plc66,551$139.1K0.00%+66,551New
Teton Advisors, Inc.65,000$135.8K0.03%00.0%Unchanged
Bank of New York Mellon Corp50,884$106.3K0.00%−92−0.2%Reduced
Boothbay Fund Management, LLC45,107$94.3K0.00%+45,107New
Lighthouse Investment Partners, LLC39,330$82.2K0.02%+39,330New
Perkins Capital Management Inc36,500$76.0K0.08%+13,000+55.3%Added
Mirabella Financial Services LLP33,405$69.8K0.01%+33,405New
Cubist Systematic Strategies, LLC33,263$69.5K0.00%+7,510+29.2%Added
SEI Investments Co33,146$69.3K0.00%−3,892−10.5%Reduced
Jane Street Group, LLC32,842$68.6K0.00%+21,845+198.6%Added
Jump Financial, LLC32,649$68.2K0.00%+32,649New
Virtu Financial LLC31,926$67.0K0.01%+31,926New
BNP Paribas Arbitrage, SA31,068$64.9K0.00%−298−1.0%Reduced
Atria Wealth Solutions, Inc.29,100$60.8K0.00%+6,000+26.0%Added
Barclays PLC26,246$54.9K0.00%+413+1.6%Added
Gabelli Funds LLC25,500$53.3K0.00%−1,500−5.6%Reduced
Advisory Services Network, LLC24,900$52.0K0.00%−3,000−10.8%Reduced
SG Americas Securities, LLC24,049$50.0K0.00%00.0%Unchanged
Mackenzie Financial Corp23,663$49.5K0.00%+23,663New
Bleakley Financial Group, LLC19,833$41.5K0.00%+19,833New
Occudo Quantitative Strategies LP18,966$39.6K0.00%−44,142−69.9%Reduced
Harbour Investments, Inc.14,959$31.3K0.00%−3,100−17.2%Reduced
Plancorp, LLC13,699$28.6K0.00%00.0%Unchanged
Vontobel Holding Ltd.13,370$27.9K0.00%00.0%Unchanged
GWM Advisors LLC13,339$27.6K0.00%+13,339New
LPL Financial LLC13,136$27.5K0.00%+1,766+15.5%Added
Moseley Investment Management Inc12,000$25.1K0.02%00.0%Unchanged
Rhumbline Advisers11,438$24.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC11,073$23.1K0.00%−33,327−75.1%Reduced
Victory Capital Management Inc10,081$21.1K0.00%−40.0%Reduced
Menlo Advisors LLC10,000$20.0K0.02%00.0%Unchanged
IFP Advisors, Inc4,274$19.0K0.00%+248+6.2%Added
Wells Fargo & Company7,039$14.7K0.00%+3,923+125.9%Added
Simplex Trading, LLC5,181$10.0K0.00%+5,181New
Advisor Group Holdings, Inc.3,486$7.00K0.00%−4,844−58.2%Reduced
Park Place Capital Corp3,012$6.00K0.00%+3,012New
Group One Trading, L.P.2,038$4.26K0.00%−991−32.7%Reduced
Burleson & Company, LLC2,000$4.18K0.00%00.0%Unchanged
US Bancorp1,500$3.13K0.00%00.0%Unchanged
Accurate Wealth Management, LLC1,000$2.06K0.00%+1,000New
CarsonAllaria Wealth Management, Ltd.850$2.00K0.00%−750−46.9%Reduced