Accuray (ARAY) Institutional Ownership $1.59 +0.03 (+1.92%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$1.57 -0.02 (-1.26%) As of 08/22/2025 07:38 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Accuray (NASDAQ:ARAY)CurrentInstitutional OwnershipPercentage64.08%Number ofInstitutional Buyers(last 12 months)60TotalInstitutional Inflows(last 12 months)$23.48MNumber ofInstitutional Sellers(last 12 months)34TotalInstitutional Outflows(last 12 months)$66.17M Get ARAY Insider Trade Alerts Want to know when executives and insiders are buying or selling Accuray stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data ARAY Institutional Buying and Selling by Quarter Accuray Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails8/15/2025 Tower Research Capital LLC TRC 35,177$48K0.0%+604.2%0.031% 8/15/2025 BNP Paribas Financial Markets29,736$41K0.0%-68.4%0.026% 8/15/2025 Bank of America Corp DE127,849$175K0.0%-6.3%0.114% 8/14/2025 Jane Street Group LLC28,779$39K0.0%-68.7%0.026% 8/14/2025 TENOR CAPITAL MANAGEMENT Co. L.P.1,500,000$2.06M0.0%N/A1.332% 8/14/2025 Globeflex Capital L P248,265$340K0.0%+35.1%0.220% 8/14/2025 Armistice Capital LLC3,236,000$4.43M0.1%+27.6%2.873% 8/14/2025 Sei Investments Co.93,843$129K0.0%+83.0%0.083% 8/14/2025 Marathon Capital Management100,000$137K0.0%-9.1%0.089% 8/13/2025 Archon Capital Management LLC297,560$408K0.3%-30.8%0.264% Get the Latest News and Ratings for ARAY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Accuray and its competitors with MarketBeat's FREE daily newsletter. 8/13/2025 Marshall Wace LLP598,293$820K0.0%N/A0.531% 8/13/2025 Invesco Ltd.175,134$240K0.0%-19.1%0.155% 8/13/2025 Silverback Asset Management LLC1,166,054$1.60M0.2%+1,588.4%1.035% 8/12/2025 JPMorgan Chase & Co.49,866$68K0.0%-81.4%0.044% 8/12/2025 Dynamic Technology Lab Private Ltd112,072$154K0.0%N/A0.099% 8/11/2025 Primecap Management Co. CA33,700$46K0.0%-79.1%0.030% 8/8/2025 Geode Capital Management LLC2,421,724$3.32M0.0%+7.8%2.150% 8/7/2025 CSM Advisors LLC386,350$527K0.0%N/A0.343% 8/7/2025 Connor Clark & Lunn Investment Management Ltd.536,102$734K0.0%+47.2%0.476% 8/7/2025 Mitsubishi UFJ Asset Management Co. Ltd.96,099$132K0.0%-27.1%0.085% 8/7/2025 Los Angeles Capital Management LLC283,302$388K0.0%+18.5%0.252% 8/4/2025 Kovack Advisors Inc.1,077,475$1.48M0.1%+12.5%0.957% 7/24/2025 Williams & Novak LLC68,970$94K0.1%+25.5%0.067% 7/15/2025 North Star Investment Management Corp.1,192,820$1.63M0.1%+12.7%1.158% 7/9/2025 Silverberg Bernstein Capital Management LLC579,248$794K0.5%+28.3%0.562% 6/27/2025 Goldman Sachs Group Inc.477,906$855K0.0%-2.8%0.464% 5/19/2025 Jane Street Group LLC91,944$165K0.0%+429.3%0.089% 5/16/2025 Goldman Sachs Group Inc.477,906$855K0.0%-2.8%0.464% 5/16/2025 Jacobs Levy Equity Management Inc.472,969$847K0.0%+46.0%0.459% 5/16/2025 AQR Capital Management LLC162,922$292K0.0%+762.3%0.158% 5/15/2025 Armistice Capital LLC2,536,000$4.54M0.1%+105.2%2.462% 5/15/2025 State of Wyoming67,505$121K0.0%-32.3%0.066% 5/14/2025 MetLife Investment Management LLC38,203$68K0.0%-20.8%0.037% 5/14/2025 Walleye Capital LLC56,421$101K0.0%-62.8%0.055% 5/14/2025 Hsbc Holdings PLC122,654$221K0.0%+15.4%0.119% 5/13/2025 Algert Global LLC60,930$109K0.0%+104.7%0.059% 5/13/2025 Russell Investments Group Ltd.192,912$345K0.0%+18,739.1%0.187% 5/12/2025 Nuveen LLC340,303$609K0.0%N/A0.330% 5/12/2025 Invesco Ltd.216,547$388K0.0%-4.1%0.210% 5/12/2025 Connor Clark & Lunn Investment Management Ltd.364,276$652K0.0%+28.6%0.354% Musk’s Project Colossus could mint millionaires (Ad)I predict this single breakthrough could make Elon the world’s first trillionaire — and mint more new millionaires than any tech advance in history. And for a limited time, you have the chance to claim a stake in this project, even though it’s housed inside Elon’s private company, xAI.All the details are waiting for you now — but you need to act before the September 1st funding windo5/9/2025 Deutsche Bank AG60,606$108K0.0%+44.0%0.059% 5/9/2025 Charles Schwab Investment Management Inc.278,384$498K0.0%+5.6%0.271% 5/8/2025 XTX Topco Ltd126,129$226K0.0%+130.2%0.123% 5/7/2025 Mackenzie Financial Corp733,347$1.31M0.0%+168.8%0.713% 5/7/2025 Heartland Advisors Inc.4,274,750$7.65M0.4%+11.8%4.157% 5/6/2025 Kovack Advisors Inc.957,550$1.71M0.2%-1.1%0.931% 5/5/2025Foundry Partners LLC1,795,645$3.21M0.2%-17.8%1.746% 4/29/2025 Bank of New York Mellon Corp207,114$371K0.0%-4.3%0.201% 4/28/2025 Acuitas Investments LLC1,420,207$2.54M2.2%+100.4%1.381% 4/17/2025 North Star Investment Management Corp.1,058,545$1.90M0.1%+1.0%1.029% 4/15/2025 Assenagon Asset Management S.A.164,999$295K0.0%-22.3%0.160% 4/10/2025 Silverberg Bernstein Capital Management LLC451,352$808K0.8%+21.2%0.439% 2/27/2025 Silverback Asset Management LLC69,061$137K0.0%-99.5%0.067% 2/20/2025 Mackenzie Financial Corp272,846$540K0.0%+1,123.1%0.265% 2/17/2025 Squarepoint Ops LLC61,804$122K0.0%+36.0%0.060% 2/17/2025 Two Sigma Investments LP72,481$144K0.0%N/A0.070% 2/17/2025 Two Sigma Advisers LP70,513$140K0.0%+41.9%0.069% 2/17/2025 State of Wyoming99,679$197K0.0%+102.6%0.097% 2/17/2025 ProShare Advisors LLC27,308$54K0.0%+50.7%0.027% 2/17/2025 Millennium Management LLC68,814$136K0.0%-79.5%0.067% 2/17/2025 Jacobs Levy Equity Management Inc.323,860$641K0.0%-15.9%0.315% 2/17/2025 D. E. Shaw & Co. Inc.1,793,391$3.55M0.0%+5.4%1.744% 2/17/2025 Bridgeway Capital Management LLC206,300$408K0.0%-14.0%0.201% 2/17/2025 Bank of America Corp DE146,803$291K0.0%+102.7%0.143% 2/17/2025 Ameriprise Financial Inc.17,760$35K0.0%N/A0.017% 2/14/2025 Jane Street Group LLC17,370$34K0.0%-89.3%0.017% 2/14/2025 Northern Trust Corp809,665$1.60M0.0%+0.9%0.787% 2/14/2025 Tudor Investment Corp ET AL108,362$215K0.0%-64.1%0.105% 2/14/2025 Susquehanna Fundamental Investments LLC33,354$66K0.0%N/A0.032% 2/14/2025 MetLife Investment Management LLC48,234$96K0.0%+38.3%0.047% 2/14/2025 Dimensional Fund Advisors LP634,066$1.25M0.0%-28.6%0.617% 2/13/2025 Teton Advisors Inc.45,000$89K0.0%-10.0%0.044% 2/13/2025 Gabelli Funds LLC45,000$89K0.0%+12.5%0.044% 2/13/2025 Walleye Capital LLC151,593$300K0.0%N/A0.147% 2/13/2025 XTX Topco Ltd54,799$109K0.0%-60.4%0.053% 2/13/2025 Barclays PLC226,812$449K0.0%+7.6%0.221% 2/13/2025 Silverback Asset Management LLC69,061$137K0.0%-99.5%0.067% 2/13/2025 Archon Capital Management LLC888,662$1.76M1.7%+11.5%0.864% 2/13/2025 Kennedy Capital Management LLC723,438$1.43M0.0%-5.4%0.704% 2/13/2025 Renaissance Technologies LLC2,979,998$5.90M0.0%+6.8%2.898% 2/13/2025 Wells Fargo & Company MN260,071$515K0.0%+37.7%0.253% 2/12/2025 Perritt Capital Management Inc95,000$188K0.1%-20.8%0.092% 2/12/2025 Geode Capital Management LLC2,186,154$4.33M0.0%+0.3%2.126% 2/12/2025 Heartland Advisors Inc.3,824,750$7.57M0.4%+14.1%3.719% 2/12/2025 JPMorgan Chase & Co.242,713$481K0.0%+482.4%0.236% 2/12/2025 Mitsubishi UFJ Asset Management Co. Ltd.125,942$261K0.0%-8.9%0.122% 2/11/2025 Prudential Financial Inc.21,710$43K0.0%N/A0.021% 2/11/2025 Perkins Capital Management Inc.68,000$135K0.1%+18.3%0.066% 2/11/2025 Sei Investments Co.32,807$65K0.0%-17.4%0.032% 2/11/2025 Intech Investment Management LLC46,680$92K0.0%+104.1%0.045% BREAKING: The House just passed 3 pro-crypto bills! (Ad)THREE pro-crypto bills just passed the House! Now, experts believe altcoin season is officially here. Discover the under-the-radar project I believe will skyrocket as a result.2/10/2025 Primecap Management Co. CA162,300$321K0.0%-6.0%0.158% 2/10/2025 Connor Clark & Lunn Investment Management Ltd.283,280$561K0.0%+2.0%0.275% 2/5/2025 Kovack Advisors Inc.967,950$1.92M0.2%-3.5%0.962% 2/4/2025 Los Angeles Capital Management LLC255,378$506K0.0%+10.0%0.254% 1/30/2025 Rhumbline Advisers79,597$158K0.0%-18.3%0.079% 1/23/2025Caprock Group LLC15,000$30K0.0%-25.0%0.015% 1/17/2025 SG Americas Securities LLC45,079$89K0.0%+37.4%0.045% 1/14/2025 Silverberg Bernstein Capital Management LLC372,452$737K0.6%-10.4%0.370% 1/14/2025 Assenagon Asset Management S.A.212,330$420K0.0%+28.7%0.211% 11/20/2024 Virtu Financial LLC135,282$244K0.0%N/A0.135% (Data available from 1/1/2016 forward) ARAY Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of ARAY shares? During the previous two years, 99 institutional investors and hedge funds held shares of Accuray. The most heavily invested institutionals were Vanguard Group Inc. ($12.96M), Heartland Advisors Inc. ($7.65M), Renaissance Technologies LLC ($5.90M), Wellington Management Group LLP ($5.15M), Armistice Capital LLC ($4.43M), D. E. Shaw & Co. Inc. ($3.55M), and State Street Corp ($3.41M).Learn more on Accuray's institutional investors. What percentage of Accuray's stock is owned by institutional investors? 64.08% of Accuray's stock is owned by institutional investors. Learn more on ARAY's institutional investor holdings. Which institutional investors have been buying Accuray's stock? Of the 80 institutional investors that purchased Accuray's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Armistice Capital LLC ($2.50M), TENOR CAPITAL MANAGEMENT Co. L.P. ($1.50M), Heartland Advisors Inc. ($1.18M), Silverback Asset Management LLC ($1.10M), Acuitas Investments LLC ($802.71K), Mackenzie Financial Corp ($753.29K), and Foundry Partners LLC ($741.90K). How much institutional buying is happening at Accuray? Institutional investors have bought a total of 14,139,025 shares in the last 24 months. This purchase volume represents approximately $23.48M in transactions. Which of Accuray's major shareholders have been selling company stock? Of the 34 institutional investors that sold Accuray's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Silverback Asset Management LLC ($30.05M), Royce & Associates LP ($1.00M), Foundry Partners LLC ($387.77K), Millennium Management LLC ($266.67K), Dimensional Fund Advisors LP ($253.45K), JPMorgan Chase & Co. ($217.75K), and Jane Street Group LLC ($207.45K). How much institutional selling is happening at Accuray? Institutional investors have sold a total of 33,803,685 shares in the last 24 months. This volume of shares sold represents approximately $66.17M in transactions. 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