Free Trial
→ Ticker Revealed: Pre-IPO Access to 'Next Elon Musk' Company (From Banyan Hill Publishing) (Ad)tc pixel Free ARAY Stock Alerts

Accuray (ARAY) Institutional Ownership

Accuray logo
$0.46 +0.00 (+0.15%)
Closing price 04:00 PM Eastern
Extended Trading
$0.46 +0.00 (+0.69%)
As of 04:25 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 Massive. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Accuray (NASDAQ:ARAY)

Current
Institutional Ownership
Percentage
64.08%
Number of
Institutional Buyers
(last 12 months)
53
Total
Institutional Inflows
(last 12 months)
$30.21M
Number of
Institutional Sellers
(last 12 months)
33
Total
Institutional Outflows
(last 12 months)
$9.53M
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.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

ARAY Institutional Buying and Selling by Quarter

Accuray Major Shareholders & Ownership History

Export
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
4/23/2026 North Star Investment Management Corp.164,620$64K0.0%-75.9%0.139%
2/23/2026Virtu Financial LLC166,673$137K0.0%N/A0.140%
2/19/2026Invesco Ltd.245,000$202K0.0%+52.7%0.216%
2/18/2026Mackenzie Financial Corp1,918,086$1.54M0.0%+76.5%1.692%
2/18/2026TENOR CAPITAL MANAGEMENT Co. L.P.500,000$412K0.0%-50.0%0.441%
2/18/2026Oxford Asset Management LLP53,526$44K0.0%N/A0.047%
2/18/2026Bridgeway Capital Management LLC174,425$144K0.0%+34.8%0.154%
2/18/2026Armistice Capital LLC4,500,000$3.71M0.0%+35.4%3.970%
2/17/2026Schonfeld Strategic Advisors LLC294,720$243K0.0%N/A0.260%
2/17/2026AQR Capital Management LLC42,653$35K0.0%-69.0%0.038%
2/17/2026TCW Group Inc.15,467,952$12.68M0.1%+29.9%13.647%
2/17/2026Kovack Advisors Inc.953,075$786K0.0%-7.1%0.841%
2/17/2026Public Employees Retirement System of Ohio77,600$64K0.0%+267.8%0.068%
2/16/2026Panagora Asset Management Inc.84,989$70K0.0%+33.6%0.075%
2/13/2026Wells Fargo & Company MN220,009$181K0.0%-38.2%0.194%
2/12/2026Jane Street Group LLC328,043$271K0.0%+164.7%0.289%
2/12/2026Renaissance Technologies LLC2,452,607$2.02M0.0%-1.3%2.164%
2/12/2026Dimensional Fund Advisors LP294,963$243K0.0%-13.1%0.260%
2/12/2026Kovack Advisors Inc.953,075$766K0.0%-7.1%0.841%
2/12/2026 Nuveen LLC293,679$242K0.0%-73.4%0.259%
2/11/2026Heartland Advisors Inc.3,328,307$2.75M0.1%-33.4%2.937%
2/11/2026 Janney Montgomery Scott LLC50,032$41K0.0%N/A0.044%
2/11/2026LPL Financial LLC34,025$28K0.0%-42.3%0.030%
2/10/2026Goldman Sachs Group Inc.773,774$638K0.0%+34.8%0.683%
2/5/2026 Williams & Novak LLC118,855$98K0.1%+53.5%0.105%
2/4/2026 Perkins Capital Management Inc.86,500$71K0.1%+22.2%0.076%
2/3/2026Mitsubishi UFJ Asset Management Co. Ltd.283,595$241K0.0%+194.2%0.250%
1/30/2026 North Star Investment Management Corp.684,320$564K0.0%-41.1%0.604%
1/29/2026 Weber Capital Management LLC ADV5,055,294$4.17M3.9%N/A4.460%
1/12/2026 Silverberg Bernstein Capital Management LLC648,548$535K0.3%+2.4%0.572%
1/9/2026 Assenagon Asset Management S.A.205,228$169K0.0%-58.4%0.181%
1/1/2026JPMorgan Chase & Co.182,494$305K0.0%+266.0%0.161%
11/18/2025 Acuitas Investments LLC2,392,126$4.00M2.6%+67.7%2.111%
11/17/2025Jacobs Levy Equity Management Inc.523,145$874K0.0%+52.3%0.462%
11/17/2025Armistice Capital LLC3,324,000$5.55M0.1%+2.7%2.933%
11/17/2025Susquehanna International Group LLP189,388$316K0.0%-19.8%0.167%
11/17/2025Public Employees Retirement System of Ohio21,100$35K0.0%N/A0.019%
11/17/2025Millennium Management LLC154,415$258K0.0%-65.7%0.136%
11/17/2025Citadel Advisors LLC662,499$1.11M0.0%-9,301.4%0.585%
11/17/2025Ameriprise Financial Inc.43,582$73K0.0%N/A0.038%
11/14/2025TENOR CAPITAL MANAGEMENT Co. L.P.1,000,000$1.67M0.0%-33.3%0.882%
11/14/2025Two Sigma Investments LP263,845$441K0.0%N/A0.233%
11/14/2025Bridgeway Capital Management LLC129,400$216K0.0%-39.6%0.114%
11/14/2025Silverback Asset Management LLC1,066,054$1.78M0.2%-8.6%0.941%
11/13/2025UBS Group AG373,832$624K0.0%-79.0%0.330%
11/13/2025BNP Paribas Financial Markets39,369$66K0.0%+32.4%0.035%
11/13/2025Mackenzie Financial Corp1,086,866$1.82M0.0%-2.6%0.959%
11/13/2025Russell Investments Group Ltd.226,467$378K0.0%+17.7%0.200%
11/12/2025Teton Advisors LLC40,000$67K0.0%N/A0.035%
11/12/2025Dimensional Fund Advisors LP339,293$566K0.0%-21.9%0.299%
11/12/2025 R Squared Ltd40,550$68K0.0%+94.0%0.036%
11/12/2025Intech Investment Management LLC48,690$81K0.0%-22.9%0.043%
11/10/2025Kovack Advisors Inc.1,025,875$1.71M0.2%-4.8%0.905%
11/7/2025Heartland Advisors Inc.4,996,500$8.34M0.4%-1.2%4.433%
11/7/2025GSA Capital Partners LLP80,701$135K0.0%N/A0.072%
11/7/2025Vanguard Group Inc.5,476,677$9.15M0.0%+2.0%4.859%
11/7/2025JPMorgan Chase & Co.182,494$305K0.0%+266.0%0.162%
11/5/2025Envestnet Asset Management Inc.59,204$99K0.0%+408.0%0.053%
11/3/2025 Acuitas Investments LLC2,392,126$4.00M1.7%+67.7%2.122%
10/30/2025 Williams & Novak LLC77,430$129K0.1%+12.3%0.069%
10/22/2025 North Star Investment Management Corp.1,162,320$1.94M0.1%-2.6%1.031%
10/9/2025Voya Investment Management LLC21,433$36K0.0%-29.8%0.019%
10/7/2025 Silverberg Bernstein Capital Management LLC633,248$1.06M0.6%+9.3%0.562%
10/7/2025 Assenagon Asset Management S.A.493,727$825K0.0%+199.2%0.438%
8/15/2025Tower Research Capital LLC TRC 35,177$48K0.0%+604.2%0.031%
8/15/2025BNP Paribas Financial Markets29,736$41K0.0%-68.4%0.026%
8/15/2025Bank of America Corp DE127,849$175K0.0%-6.3%0.114%
8/14/2025Jane Street Group LLC28,779$39K0.0%-68.7%0.026%
8/14/2025TENOR CAPITAL MANAGEMENT Co. L.P.1,500,000$2.06M0.0%N/A1.332%
8/14/2025Globeflex Capital L P248,265$340K0.0%+35.1%0.220%
8/14/2025Armistice Capital LLC3,236,000$4.43M0.1%+27.6%2.873%
8/14/2025Sei Investments Co.93,843$129K0.0%+83.0%0.083%
8/14/2025Marathon Capital Management100,000$137K0.0%-9.1%0.089%
8/13/2025Archon Capital Management LLC297,560$408K0.3%-30.8%0.264%
8/13/2025Marshall Wace LLP598,293$820K0.0%N/A0.531%
8/13/2025Invesco Ltd.175,134$240K0.0%-19.1%0.155%
8/13/2025Silverback Asset Management LLC1,166,054$1.60M0.2%+1,588.4%1.035%
8/12/2025JPMorgan Chase & Co.49,866$68K0.0%-81.4%0.044%
8/12/2025Dynamic Technology Lab Private Ltd112,072$154K0.0%N/A0.099%
8/11/2025Primecap Management Co. CA33,700$46K0.0%-79.1%0.030%
8/8/2025Geode Capital Management LLC2,421,724$3.32M0.0%+7.8%2.150%
8/7/2025CSM Advisors LLC386,350$527K0.0%N/A0.343%
8/7/2025Connor Clark & Lunn Investment Management Ltd.536,102$734K0.0%+47.2%0.476%
8/7/2025Mitsubishi UFJ Asset Management Co. Ltd.96,099$132K0.0%-27.1%0.085%
8/7/2025Los Angeles Capital Management LLC283,302$388K0.0%+18.5%0.252%
8/4/2025Kovack 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%
6/27/2025Goldman Sachs Group Inc.477,906$855K0.0%-2.8%0.464%
5/19/2025Jane Street Group LLC91,944$165K0.0%+429.3%0.089%
5/16/2025Goldman Sachs Group Inc.477,906$855K0.0%-2.8%0.464%
5/16/2025Jacobs Levy Equity Management Inc.472,969$847K0.0%+46.0%0.459%
5/16/2025AQR Capital Management LLC162,922$292K0.0%+762.3%0.158%
5/15/2025Armistice Capital LLC2,536,000$4.54M0.1%+105.2%2.462%
5/15/2025State of Wyoming67,505$121K0.0%-32.3%0.066%
5/14/2025MetLife Investment Management LLC38,203$68K0.0%-20.8%0.037%
5/14/2025Walleye Capital LLC56,421$101K0.0%-62.8%0.055%
5/14/2025Hsbc Holdings PLC122,654$221K0.0%+15.4%0.119%
5/13/2025Algert Global LLC60,930$109K0.0%+104.7%0.059%


ARAY Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of ARAY shares?

During the previous two years, 101 institutional investors and hedge funds held shares of Accuray. The most heavily invested institutionals were TCW Group Inc. ($12.68M), Vanguard Group Inc. ($9.15M), Weber Capital Management LLC ADV ($4.17M), Acuitas Investments LLC ($4.00M), Armistice Capital LLC ($3.71M), 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 86 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: Weber Capital Management LLC ADV ($5.06M), Armistice Capital LLC ($3.76M), TCW Group Inc. ($3.56M), Acuitas Investments LLC ($2.64M), Mackenzie Financial Corp ($1.54M), TENOR CAPITAL MANAGEMENT Co. L.P. ($1.50M), and Silverback Asset Management LLC ($1.10M).

How much institutional buying is happening at Accuray?

Institutional investors have bought a total of 24,910,571 shares in the last 24 months. This purchase volume represents approximately $30.21M in transactions.

Which of Accuray's major shareholders have been selling company stock?

Of the 32 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: Heartland Advisors Inc. ($1.73M), UBS Group AG ($1.41M), North Star Investment Management Corp. ($1.03M), TENOR CAPITAL MANAGEMENT Co. L.P. ($1M), Nuveen LLC ($810.48K), Millennium Management LLC ($295.29K), and Assenagon Asset Management S.A. ($288.50K).

How much institutional selling is happening at Accuray?

Institutional investors have sold a total of 8,353,334 shares in the last 24 months. This volume of shares sold represents approximately $9.53M in transactions.


Related Companies

This page (NASDAQ:ARAY) was last updated on 5/5/2026 by MarketBeat.com Staff.
From Our Partners
Iran's New Leader Just Said Something That Should Terrify Every American
Iran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of ...
American Alternative | Sponsoredtc pixel
Your book attached
Your Download Link (Expiring) If you still haven't downloaded the free Simple Options Trading For Beginners...
Profits Run | Sponsoredtc pixel
My feud with Zohran Mamdani
Emmy-winning analyst releases his next big story Whitney Tilson shocked the nation on 60 Minutes when he ac...
Stansberry Research | Sponsoredtc pixel
The $1.75T "Backdoor" ticker (NOT Starlink)
When the SpaceX IPO launches, most investors will already be too late. The real opportunity isn't the IPO itse...
Behind the Markets | Sponsoredtc pixel
Sell 99% of Your Stocks, Do THIS Instead…
Millionaire Trader Exposes: "The Single Stock Income Plan" With over 6,000 stocks on the market to choose ...
The Oxford Club | Sponsoredtc pixel
Trade this between 9:30 and 10:45 am EST
The first 75 minutes of the trading day may be the most overlooked window for consistent opportunities.If you ...
Base Camp Trading | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
Elon Unveils AI Passive Income Stream for Millions of Americans
During Tesla's last earnings call, Elon Musk outlined a new AI-driven approach he says could generate $30,000-...
InvestorPlace | Sponsoredtc pixel