Go Pro
→ Your book attached (From Profits Run) (Ad)tc pixel Free ARAY Stock Alerts

Accuray (ARAY) Institutional Ownership

Accuray logo
$0.25 0.00 (0.00%)
Closing price 07/2/2026 04:00 PM Eastern
Extended Trading
$0.26 +0.00 (+0.43%)
As of 07/2/2026 07:51 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)
45
Total
Institutional Inflows
(last 12 months)
$24.27M
Number of
Institutional Sellers
(last 12 months)
28
Total
Institutional Outflows
(last 12 months)
$9.78M
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
5/21/2026Silverback Asset Management LLC1,650,000$640K0.1%+7.7%1.387%
5/14/2026Renaissance Technologies LLC2,290,984$889K0.0%-6.6%1.926%
5/7/2026Heartland Advisors Inc.1,977,450$767K0.0%-40.6%1.665%
4/23/2026North 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%
2/12/2026Nuveen LLC293,679$242K0.0%-73.4%0.259%
2/11/2026Heartland Advisors Inc.3,328,307$2.75M0.1%-33.4%2.937%
2/11/2026Janney 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%
2/5/2026Williams & Novak LLC118,855$98K0.1%+53.5%0.105%
2/4/2026Perkins 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%
1/30/2026North Star Investment Management Corp.684,320$564K0.0%-41.1%0.604%
1/29/2026Weber Capital Management LLC ADV5,055,294$4.17M3.9%N/A4.460%
1/12/2026Silverberg Bernstein Capital Management LLC648,548$535K0.3%+2.4%0.572%
1/9/2026Assenagon 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%
11/18/2025Acuitas 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%
The REAL Reason Trump is Invading Iran (Ad)

For a moment… Forget about Trump’s ties to Israel. Forget about reports of Iran’s nuclear program. Because my research has led me to believe we’re risking World War 3 with Iran for a completely different reason.tc pixel

Click here to find out what it is.
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%
11/12/2025R 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%
11/3/2025Acuitas Investments LLC2,392,126$4.00M1.7%+67.7%2.122%
10/30/2025Williams & Novak LLC77,430$129K0.1%+12.3%0.069%
10/22/2025North 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%
10/7/2025Silverberg Bernstein Capital Management LLC633,248$1.06M0.6%+9.3%0.562%
10/7/2025Assenagon 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%
7/24/2025Williams & Novak LLC68,970$94K0.1%+25.5%0.067%
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside) (Ad)

Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top S&P 500 stock for 12 years running—and today, he's giving away his #1 AI stock pick for 2026, free. This company's sales are up 28% year over year, it holds over 30,000 patents in wireless and video technology, and it just earned an A-rating in his proprietary Stock Grader system that has cost him $9 million to build and maintain.tc pixel

Get the name and ticker of Louis Navellier's #1 AI stock free
7/15/2025North Star Investment Management Corp.1,192,820$1.63M0.1%+12.7%1.158%
7/9/2025Silverberg 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%


ARAY Institutional Ownership - Frequently Asked Questions

During the previous two years, 97 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.

64.08% of Accuray's stock is owned by institutional investors. Learn more on ARAY's institutional investor holdings.

Of the 83 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 ($1.21M).

Institutional investors have bought a total of 21,684,588 shares in the last 24 months. This purchase volume represents approximately $24.27M in transactions.

Of the 28 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. ($3.08M), 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).

Institutional investors have sold a total of 9,681,439 shares in the last 24 months. This volume of shares sold represents approximately $9.78M in transactions.


Related Companies

This page (NASDAQ:ARAY) was last updated on 7/5/2026 by MarketBeat.com Staff.
From Our Partners
Trump's gold order: the announcement they won't put on the front page
On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...
Reagan Gold Group | Sponsoredtc pixel
Trump Takes Emergency Action - Plus Elon Musk's New Venture
Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Tru...
Altimetry | Sponsoredtc pixel
Do NOT Buy SpaceX – Do This Instead
SpaceX just went public - and Whitney Tilson, Harvard MBA and 30-year Wall Street veteran, says buying in coul...
Stansberry Research | Sponsoredtc pixel
SPCX Warning - and Worst News for Stocks in 50 Years
Goldman Sachs and Morgan Stanley are now predicting what could be the worst news for the U.S. stock market in ...
TradeSmith | Sponsoredtc pixel
Trump just signed it
A recent policy development is drawing attention from income-focused investors. According to one analyst, c...
Investors Alley | Sponsoredtc pixel
CODE RED: AI Meltdown Imminent?
After correctly predicting the 2008 and 2020 stock market meltdowns, I believe this AI company is about to tri...
Paradigm Press | Sponsoredtc pixel
Your $29.97 book is free today
Why Some Traders Skip Stocks Entirely You don't need a big account to trade options. In fact, options ca...
Profits Run | Sponsoredtc pixel
From the man who predicted 2008 crash…
Porter Stansberry, founder of one of the largest financial research firms in the world, says he's breaking the...
Porter & Company | Sponsoredtc pixel