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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, Q2 2023

Institutional positions in Accuray Inc as of Jun 30, 2023. 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
116
+4 vs. Q1 2023
Shares held
66.6M
+6.79M (+11.4%) vs. Q1 2023
Total value
$257.8M
+$79.9M (+44.9%) vs. Q1 2023
New holders
30
33 more added
Sold out
26
32 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 holdersQ2 2023: 116 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 heldQ2 2023: $257.8M
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, Q2 2023

Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q1 2023.

Institutions holding ARAY in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Group One Trading, L.P.27$1040.00%−1,411−98.1%Reduced
HighMark Wealth Management LLC100$3870.00%00.0%Unchanged
WFA Asset Management Corp181$7010.00%00.0%Unchanged
Bank of America Corp606$2.35K0.00%−113,370−99.5%Reduced
CWM, LLC1,067$4.00K0.00%+67+6.7%Added
Advisor Group Holdings, Inc.1,483$5.73K0.00%−570−27.8%Reduced
US Bancorp1,500$5.80K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,812$10.9K0.00%−15,214−84.4%Reduced
Park Place Capital Corp3,143$12.2K0.00%+131+4.3%Added
Metropolitan Life Insurance Co5,123$19.8K0.00%+5,123New
Ameritas Investment Partners, Inc.7,702$29.8K0.00%+7,702New
Royal Bank of Canada8,343$32.0K0.00%+5,969+251.4%Added
Menlo Advisors LLC10,000$38.0K0.02%00.0%Unchanged
Lazard Asset Management LLC10,568$40.0K0.00%+10,568New
Principal Financial Group Inc10,953$42.4K0.00%+10,953New
Legal & General Group Plc11,079$42.9K0.00%+11,079New
Alliancebernstein L.P.11,640$45.0K0.00%+11,640New
Moseley Investment Management Inc12,000$46.4K0.03%00.0%Unchanged
ProShare Advisors LLC12,131$46.9K0.00%+12,131New
Schonfeld Strategic Advisors LLC12,900$49.9K0.00%−3,400−20.9%Reduced
Plancorp, LLC13,699$53.0K0.00%00.0%Unchanged
Amalgamated Bank13,879$54.0K0.00%+13,879New
Winton Group Ltd14,572$56.4K0.00%+14,572New
Harbour Investments, Inc.14,759$57.1K0.00%−200−1.3%Reduced
LPL Financial LLC16,144$62.5K0.00%+2,855+21.5%Added
Two Sigma Securities, LLC18,036$69.8K0.01%+18,036New
Sawtooth Solutions, LLC19,833$76.8K0.00%00.0%Unchanged
Bleakley Financial Group, LLC19,833$76.8K0.00%00.0%Unchanged
Heron Bay Capital Management19,940$77.2K0.02%+19,940New
Dynamic Advisor Solutions LLC23,000$89.0K0.00%+23,000New
Advisory Services Network, LLC24,900$96.4K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System26,480$102.5K0.00%+26,480New
Pine Valley Investments Ltd Liability Co27,750$107.4K0.01%00.0%Unchanged
Gabelli Funds LLC28,000$108.4K0.00%+2,000+7.7%Added
Susquehanna Fundamental Investments, LLC29,219$113.1K0.00%00.0%Unchanged
Citigroup Inc29,336$113.5K0.00%−329,424−91.8%Reduced
California State Teachers Retirement System31,028$120.1K0.00%+31,028New
Jane Street Group, LLC32,109$124.3K0.00%−380,127−92.2%Reduced
New York State Common Retirement Fund36,500$141.3K0.00%+36,500New
Squarepoint Ops LLC36,543$141.4K0.00%−16,627−31.3%Reduced
Barclays PLC36,693$142.0K0.00%−17,035−31.7%Reduced
Virtu Financial LLC38,288$148.0K0.01%+22,468+142.0%Added
Voya Investment Management LLC38,565$149.2K0.00%+38,565New
Manufacturers Life Insurance Company, The39,663$153.5K0.00%+39,663New
Algert Global LLC41,560$160.8K0.01%+41,560New
SEI Investments Co43,355$167.8K0.00%+6,180+16.6%Added
American International Group, Inc.44,895$173.7K0.00%+44,895New
XTX Topco Ltd45,219$175.0K0.03%+45,219New
Deutsche Bank AG45,785$177.2K0.00%+45,785New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.46,232$178.9K0.00%+46,232New
Mirae Asset Global Investments Co., Ltd.46,970$181.8K0.00%+46,970New
MetLife Investment Management49,434$191.3K0.00%+49,434New
BNP Paribas Arbitrage, SA49,577$191.9K0.00%+38,370+342.4%Added
Perkins Capital Management Inc53,000$205.0K0.18%−500−0.9%Reduced
Engineers Gate Manager LP54,947$212.6K0.01%+952+1.8%Added
Jump Financial, LLC59,700$231.0K0.01%+21,670+57.0%Added
Price T Rowe Associates Inc63,417$246.0K0.00%−131,577−67.5%Reduced
Occudo Quantitative Strategies LP64,488$249.6K0.03%+64,488New
Teton Advisors, Inc.65,000$251.6K0.07%00.0%Unchanged
JPMorgan Chase & Co72,410$280.2K0.00%+72,323+83,129.9%Added
Connor, Clark & Lunn Investment Management Ltd.77,661$300.5K0.00%+77,661New
UBS Group AG81,053$313.7K0.00%−6,553−7.5%Reduced
Marshall Wace, LLP89,777$347.4K0.00%−16,631−15.6%Reduced
Susquehanna International Group, LLP101,386$392.4K0.00%−455,131−81.8%Reduced
Rhumbline Advisers103,281$399.7K0.00%+91,843+803.0%Added
Marathon Capital Management110,000$425.7K0.11%00.0%Unchanged
Wells Fargo & Company143,469$555.2K0.00%+40,309+39.1%Added
Knights of Columbus Asset Advisors LLC170,661$660.5K0.06%00.0%Unchanged
Primecap Management Co180,800$699.7K0.00%−54,500−23.2%Reduced
Invesco Ltd.192,084$743.4K0.00%+55,362+40.5%Added
Tudor Investment Corp Et Al196,953$762.2K0.01%−19,975−9.2%Reduced
Russell Investments Group, Ltd.206,772$800.2K0.00%−9,900−4.6%Reduced
Goldman Sachs Group Inc224,662$869.4K0.00%−143,850−39.0%Reduced
Morgan Stanley226,719$877.4K0.00%−179,024−44.1%Reduced
Parallel Advisors, LLC249,024$963.7K0.03%+35,433+16.6%Added
Charles Schwab Investment Management Inc249,865$967.0K0.00%+172,247+221.9%Added
Globeflex Capital L P263,128$1.02M0.11%−7,706−2.8%Reduced
Bank of New York Mellon Corp270,294$1.05M0.00%+219,410+431.2%Added
Nuveen Asset Management, LLC274,399$1.06M0.00%+274,399New
Legato Capital Management LLC275,924$1.07M0.14%+275,924New
Bridgeway Capital Management, LLC288,300$1.12M0.03%00.0%Unchanged
Millennium Management LLC336,319$1.30M0.00%−607,632−64.4%Reduced
AlphaCentric Advisors LLC350,000$1.35M0.75%00.0%Unchanged
Citadel Advisors LLC356,490$1.38M0.00%+81,735+29.7%Added
Jacobs Levy Equity Management, Inc365,280$1.41M0.01%−288,576−44.1%Reduced
Cowen Prime Advisors LLC401,438$1.55M0.54%−1,000−0.2%Reduced
Lapides Asset Management, LLC492,000$1.90M1.24%−148,000−23.1%Reduced
FMR LLC532,542$2.06M0.00%−21,098−3.8%Reduced
EAM Investors, LLC539,540$2.09M0.39%00.0%Unchanged
Rice Hall James & Associates, LLC595,434$2.30M0.13%−76,111−11.3%Reduced
Two Sigma Advisers, LP612,313$2.37M0.01%+65,653+12.0%Added
Acuitas Investments, LLC617,500$2.39M1.39%+617,500New
First Eagle Investment Management, LLC631,447$2.44M0.01%+138,150+28.0%Added
Assenagon Asset Management S.A.648,840$2.51M0.01%00.0%Unchanged
Two Sigma Investments, LP653,798$2.53M0.01%+172,692+35.9%Added
Essex Investment Management Co LLC716,272$2.77M0.39%+716,272New
Northern Trust Corp821,455$3.18M0.00%+633,013+335.9%Added
Kennedy Capital Management, Inc.915,081$3.54M0.08%+12,142+1.3%Added
North Star Investment Management Corp.925,845$3.58M0.29%+13,375+1.5%Added
Acadian Asset Management LLC1,153,120$4.46M0.02%−64,054−5.3%Reduced