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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, Q3 2022

Institutional positions in Accuray Inc as of Sep 30, 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
106
−16 vs. Q2 2022
Shares held
59.5M
−2.19M (−3.6%) vs. Q2 2022
Total value
$123.7M
+$3.15M (+2.6%) vs. Q2 2022
New holders
7
29 more added
Sold out
23
44 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 106 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 heldQ3 2022: $123.7M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q2 2022.

Institutions holding ARAY in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Archon Capital Management LLC5,936,991$12.3M5.10%00.0%Unchanged
Neuberger Berman Group LLC5,246,160$10.9M0.01%+387,772+8.0%Added
Vanguard Group Inc4,021,025$8.36M0.00%+66,541+1.7%Added
Renaissance Technologies LLC3,732,175$7.76M0.01%+60,268+1.6%Added
BlackRock Inc.3,367,444$7.00M0.00%−165,754−4.7%Reduced
Royce & Associates LP2,727,335$5.67M0.06%+79,300+3.0%Added
Wellington Management Group LLP2,663,600$5.54M0.00%+1,250,300+88.5%Added
Millennium Management LLC2,633,312$5.48M0.01%+1,523,171+137.2%Added
D. E. Shaw & Co., Inc.2,511,940$5.22M0.01%−59,624−2.3%Reduced
Heartland Advisors Inc2,496,900$5.19M0.39%−889,000−26.3%Reduced
Harbert Fund Advisors, Inc.1,849,184$3.85M3.07%00.0%Unchanged
Acadian Asset Management LLC1,546,520$3.21M0.02%−251,109−14.0%Reduced
Assenagon Asset Management S.A.1,467,857$3.05M0.01%−184,062−11.1%Reduced
Dimensional Fund Advisors LP1,460,120$3.04M0.00%−293,872−16.8%Reduced
Kovack Advisors, Inc.1,295,066$2.69M0.40%+111,916+9.5%Added
Foundry Partners, LLC1,139,340$2.37M0.15%+331,905+41.1%Added
DAFNA Capital Management LLC941,800$1.96M0.53%00.0%Unchanged
Two Sigma Advisers, LP932,313$1.94M0.01%−272,600−22.6%Reduced
Jacobs Levy Equity Management, Inc916,059$1.91M0.02%−849,807−48.1%Reduced
Geode Capital Management, LLC893,362$1.86M0.00%−15,600−1.7%Reduced
Two Sigma Investments, LP807,273$1.68M0.01%−197,719−19.7%Reduced
State Street Corp757,524$1.58M0.00%−41,636−5.2%Reduced
North Star Investment Management Corp.747,570$1.55M0.15%+436,120+140.0%Added
Lapides Asset Management, LLC722,300$1.50M0.86%−64,700−8.2%Reduced
Rice Hall James & Associates, LLC704,416$1.47M0.08%+1,830+0.3%Added
FMR LLC539,254$1.12M0.00%−783−0.1%Reduced
Citadel Advisors LLC444,173$924.0K0.00%−156,542−26.1%Reduced
Verition Fund Management LLC432,694$900.0K0.01%−111,138−20.4%Reduced
Primecap Management Co394,320$820.0K0.00%−37,000−8.6%Reduced
Ergoteles LLC370,587$771.0K0.03%−172,713−31.8%Reduced
AlphaCentric Advisors LLC350,000$728.0K0.75%+350,000New
Charles Schwab Investment Management Inc320,303$667.0K0.00%00.0%Unchanged
Morgan Stanley320,014$665.0K0.00%−131,779−29.2%Reduced
Bridgeway Capital Management, LLC274,100$570.0K0.02%+274,100New
Globeflex Capital L P270,834$563.0K0.10%−38,477−12.4%Reduced
Tudor Investment Corp Et Al233,156$485.0K0.01%+1,682+0.7%Added
Russell Investments Group, Ltd.226,254$469.0K0.00%−10,215−4.3%Reduced
ExodusPoint Capital Management, LP222,860$464.0K0.01%−172,224−43.6%Reduced
UBS Group AG215,655$449.0K0.00%−3,067−1.4%Reduced
Price T Rowe Associates Inc194,994$406.0K0.00%+65,000+50.0%Added
Parallel Advisors, LLC194,880$405.0K0.02%00.0%Unchanged
Northern Trust Corp185,985$387.0K0.00%+1,071+0.6%Added
Knights of Columbus Asset Advisors LLC170,661$355.0K0.04%−178,727−51.2%Reduced
Shay Capital LLC170,000$354.0K0.18%+95,000+126.7%Added
Boston Private Wealth LLC163,801$341.0K0.00%00.0%Unchanged
Cowen Prime Advisors LLC162,986$339.0K0.19%−2,800−1.7%Reduced
Goldman Sachs Group Inc154,677$322.0K0.00%−53,585−25.7%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.141,337$294.0K0.00%+1,777+1.3%Added
Gsa Capital Partners LLP138,363$288.0K0.04%−231,209−62.6%Reduced
Invesco Ltd.136,173$283.0K0.00%−6,734−4.7%Reduced
Bank of Montreal125,698$272.0K0.00%+43,698+53.3%Added
Marathon Capital Management111,000$231.0K0.07%00.0%Unchanged
Susquehanna Fundamental Investments, LLC108,283$225.0K0.00%+108,283New
Engineers Gate Manager LP107,180$223.0K0.01%−444,236−80.6%Reduced
Algert Global LLC102,016$212.0K0.01%−30,400−23.0%Reduced
Qube Research & Technologies Ltd70,596$147.0K0.00%−30,307−30.0%Reduced
XTX Topco Ltd66,758$139.0K0.03%−20,107−23.1%Reduced
Teton Advisors, Inc.65,000$135.0K0.03%+10,000+18.2%Added
Occudo Quantitative Strategies LP63,108$131.0K0.01%+15,228+31.8%Added
HRT Financial LP60,540$125.0K0.00%−37,628−38.3%Reduced
Bank of New York Mellon Corp50,976$106.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC44,400$92.0K0.00%+8,600+24.0%Added
SEI Investments Co37,038$77.0K0.00%+3,338+9.9%Added
LMR Partners LLP32,811$68.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA31,366$65.2K0.00%−10,868−25.7%Reduced
Citigroup Inc28,373$59.0K0.00%+6,137+27.6%Added
Advisory Services Network, LLC27,900$58.0K0.00%−1,400−4.8%Reduced
Gabelli Funds LLC27,000$56.0K0.00%+1,000+3.8%Added
Cubist Systematic Strategies, LLC25,753$54.0K0.00%−377,922−93.6%Reduced
Barclays PLC25,833$53.0K0.00%+4,457+20.9%Added
Arrowstreet Capital, Limited Partnership25,093$52.0K0.00%+25,093New
SG Americas Securities, LLC24,049$50.0K0.00%+1,744+7.8%Added
Perkins Capital Management Inc23,500$49.0K0.05%+2,500+11.9%Added
Atria Wealth Solutions, Inc.23,100$48.0K0.00%00.0%Unchanged
Principal Financial Group Inc20,120$42.0K0.00%−35,133−63.6%Reduced
Harbour Investments, Inc.18,059$35.0K0.00%00.0%Unchanged
Susquehanna International Group, LLP14,407$30.0K0.00%−178,261−92.5%Reduced
Kestra Advisory Services, LLC14,470$30.0K0.00%+139+1.0%Added
Plancorp, LLC13,699$28.0K0.00%00.0%Unchanged
Vontobel Holding Ltd.13,370$28.0K0.00%00.0%Unchanged
Moseley Investment Management Inc12,000$25.0K0.02%00.0%Unchanged
LPL Financial LLC11,370$24.0K0.00%−2,643−18.9%Reduced
Rhumbline Advisers11,438$24.0K0.00%00.0%Unchanged
Lazard Asset Management LLC11,633$24.0K0.00%00.0%Unchanged
Jane Street Group, LLC10,997$23.0K0.00%−37,444−77.3%Reduced
Zebra Capital Management LLC11,152$23.0K0.09%00.0%Unchanged
Victory Capital Management Inc10,085$21.0K0.00%−2,040−16.8%Reduced
Menlo Advisors LLC10,000$20.0K0.01%00.0%Unchanged
IFP Advisors, Inc4,026$18.0K0.00%+2,191+119.4%Added
Advisor Group Holdings, Inc.8,330$16.0K0.00%−666−7.4%Reduced
Cutler Group LP5,000$10.0K0.00%00.0%Unchanged
Wells Fargo & Company3,116$6.00K0.00%−177−5.4%Reduced
Group One Trading, L.P.3,029$6.00K0.00%+2,224+276.3%Added
Brown Brothers Harriman & Co2,605$5.00K0.00%+2,605New
Burleson & Company, LLC2,000$4.00K0.00%00.0%Unchanged
JPMorgan Chase & Co2,235$4.00K0.00%+2,148+2,469.0%Added
Tower Research Capital LLC (TRC)1,266$3.00K0.00%−51,291−97.6%Reduced
US Bancorp1,500$3.00K0.00%00.0%Unchanged
CarsonAllaria Wealth Management, Ltd.1,600$3.00K0.00%00.0%Unchanged
CWM, LLC1,000$2.00K0.00%00.0%Unchanged