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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 2024

Institutional positions in Accuray Inc as of Sep 30, 2024. 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
126
+13 vs. Q2 2024
Shares held
55.3M
+7.96M (+16.8%) vs. Q2 2024
Total value
$99.5M
+$13.4M (+15.5%) vs. Q2 2024
New holders
24
38 more added
Sold out
11
32 more reduced

2 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 126 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 2024: $99.5M
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 2024

Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q2 2024.

Institutions holding ARAY in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.8,443,806$15.2M0.00%+8,443,806New
Neuberger Berman Group LLC5,636,310$10.1M0.01%+317,666+6.0%Added
Vanguard Group Inc5,345,849$9.62M0.00%+86,249+1.6%Added
Heartland Advisors Inc3,351,950$6.03M0.32%+32,000+1.0%Added
Renaissance Technologies LLC2,790,584$5.02M0.01%−21,600−0.8%Reduced
Foundry Partners, LLC2,187,160$3.94M0.19%+741,900+51.3%Added
Geode Capital Management, LLC2,179,396$3.92M0.00%+45,548+2.1%Added
State Street Corp1,894,287$3.41M0.00%+70,008+3.8%Added
Royce & Associates LP1,882,369$3.39M0.03%−1,000,167−34.7%Reduced
Harbert Fund Advisors, Inc.1,849,184$3.33M2.68%00.0%Unchanged
D. E. Shaw & Co., Inc.1,701,862$3.06M0.00%+216,967+14.6%Added
DAFNA Capital Management LLC1,222,358$2.20M0.52%00.0%Unchanged
Kovack Advisors, Inc.1,003,050$1.81M0.19%−41,000−3.9%Reduced
Dimensional Fund Advisors LP887,517$1.60M0.00%−461,580−34.2%Reduced
North Star Investment Management Corp.871,720$1.57M0.11%−166,400−16.0%Reduced
Northern Trust Corp802,266$1.44M0.00%+20,522+2.6%Added
Archon Capital Management LLC796,866$1.43M2.69%−2,331,778−74.5%Reduced
Kennedy Capital Management, Inc.764,933$1.38M0.03%−65,944−7.9%Reduced
Acuitas Investments, LLC708,553$1.28M0.57%00.0%Unchanged
FMR LLC582,591$1.05M0.00%+124,459+27.2%Added
Morgan Stanley524,307$943.8K0.00%+154,143+41.6%Added
Armistice Capital, LLC500,000$900.0K0.02%00.0%Unchanged
Goldman Sachs Group Inc465,799$838.4K0.00%+187,397+67.3%Added
Silverberg Bernstein Capital Management LLC415,784$748.4K0.69%+4,700+1.1%Added
Jacobs Levy Equity Management, Inc384,944$692.9K0.00%+226,602+143.1%Added
Gsa Capital Partners LLP366,794$660.0K0.05%−82,367−18.3%Reduced
Citadel Advisors LLC353,271$635.9K0.00%+353,271New
AlphaCentric Advisors LLC350,000$630.0K0.47%00.0%Unchanged
Millennium Management LLC335,482$603.9K0.00%+306,980+1,077.0%Added
Tudor Investment Corp Et Al301,761$543.2K0.01%+117,164+63.5%Added
Nuveen Asset Management, LLC280,062$504.1K0.00%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.277,859$500.1K0.00%+230,695+489.1%Added
Charles Schwab Investment Management Inc263,735$474.7K0.00%00.0%Unchanged
UBS Group AG247,076$444.7K0.00%−16,889−6.4%Reduced
Bridgeway Capital Management, LLC239,800$431.6K0.01%00.0%Unchanged
Los Angeles Capital Management LLC232,218$418.0K0.00%+232,218New
Marshall Wace, LLP231,392$416.5K0.00%+231,392New
Invesco Ltd.225,840$406.5K0.00%−231,697−50.6%Reduced
Bank of New York Mellon Corp219,246$394.6K0.00%−60,180−21.5%Reduced
Barclays PLC210,819$379.5K0.00%+104,310+97.9%Added
Wells Fargo & Company188,873$340.0K0.00%+1,200+0.6%Added
Globeflex Capital L P183,771$330.8K0.03%00.0%Unchanged
Primecap Management Co172,600$310.7K0.00%−2,100−1.2%Reduced
Assenagon Asset Management S.A.164,999$297.0K0.00%+92,357+127.1%Added
Jane Street Group, LLC161,653$291.0K0.00%+33,417+26.1%Added
Russell Investments Group, Ltd.155,624$280.1K0.00%+1,024+0.7%Added
BNP Paribas Arbitrage, SA146,384$263.5K0.00%+138,022+1,650.6%Added
Bridge City Capital, LLC140,734$253.3K0.07%00.0%Unchanged
XTX Topco Ltd138,485$249.3K0.02%+138,485New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.138,205$248.8K0.00%+2,611+1.9%Added
Virtu Financial LLC135,282$244.0K0.01%+135,282New
Dynamic Technology Lab Private Ltd128,378$231.0K0.02%+128,378New
Perritt Capital Management Inc120,000$216.0K0.11%00.0%Unchanged
Marathon Capital Management110,000$198.0K0.05%00.0%Unchanged
HSBC Holdings PLC104,928$190.4K0.00%+3,245+3.2%Added
Rhumbline Advisers97,427$175.4K0.00%−8,665−8.2%Reduced
Price T Rowe Associates Inc97,146$175.0K0.00%+6,000+6.6%Added
Bank of America Corp72,409$130.3K0.00%−29,323−28.8%Reduced
Citigroup Inc69,474$125.1K0.00%+48,518+231.5%Added
Williams & Novak, LLC61,520$110.7K0.10%−35,380−36.5%Reduced
Perkins Capital Management Inc57,500$103.5K0.10%−500−0.9%Reduced
Group One Trading, L.P.53,511$96.3K0.00%+29,887+126.5%Added
Mirae Asset Global ETFs Holdings Ltd.52,360$94.2K0.00%+5,177+11.0%Added
Corebridge Financial, Inc.51,276$92.3K0.00%−317−0.6%Reduced
Teton Advisors, Inc.50,000$90.0K0.04%−2,000−3.8%Reduced
Two Sigma Advisers, LP49,700$89.5K0.00%−65,113−56.7%Reduced
State of Wyoming49,194$88.5K0.01%+49,194New
Squarepoint Ops LLC45,436$81.8K0.00%+45,436New
Engineers Gate Manager LP44,724$80.5K0.00%+3,106+7.5%Added
Manufacturers Life Insurance Company, The42,870$77.2K0.00%−2,066−4.6%Reduced
Deutsche Bank AG42,080$75.7K0.00%00.0%Unchanged
JPMorgan Chase & Co41,676$75.0K0.00%−775−1.8%Reduced
Susquehanna International Group, LLP40,474$72.9K0.00%−98,139−70.8%Reduced
Parallel Advisors, LLC40,000$72.0K0.00%00.0%Unchanged
Gabelli Funds LLC40,000$72.0K0.00%+5,000+14.3%Added
SEI Investments Co39,740$71.5K0.00%+407+1.0%Added
Envestnet Asset Management Inc36,046$64.9K0.00%+1,144+3.3%Added
MetLife Investment Management34,864$62.8K0.00%−22,711−39.4%Reduced
Voya Investment Management LLC34,438$62.0K0.00%−902−2.6%Reduced
SG Americas Securities, LLC32,820$59.0K0.00%+32,820New
Thrivent Financial for Lutherans31,800$57.0K0.00%+31,800New
Alliancebernstein L.P.30,930$55.7K0.00%00.0%Unchanged
Bayesian Capital Management, LP30,314$54.6K0.01%+30,314New
Algert Global LLC29,760$53.6K0.00%+29,760New
New York State Common Retirement Fund29,096$52.4K0.00%00.0%Unchanged
State Board of Administration of Florida Retirement System26,620$47.9K0.00%00.0%Unchanged
Intech Investment Management LLC22,872$41.2K0.00%+22,872New
Mackenzie Financial Corp22,307$40.2K0.00%00.0%Unchanged
CAPROCK Group, Inc.20,000$36.0K0.00%+20,000New
Bleakley Financial Group, LLC19,833$35.7K0.00%00.0%Unchanged
ProShare Advisors LLC18,121$32.6K0.00%+5,485+43.4%Added
US Bancorp17,816$32.1K0.00%+16,316+1,087.7%Added
Retirement Solution Inc.17,300$31.1K0.01%+17,300New
LPL Financial LLC17,221$31.0K0.00%−301−1.7%Reduced
Harbour Investments, Inc.14,180$25.5K0.00%−1,450−9.3%Reduced
Lane & Associates LLC12,461$22.4K0.01%+275+2.3%Added
Moseley Investment Management Inc12,000$21.6K0.01%00.0%Unchanged
Victory Capital Management Inc11,888$21.4K0.00%−182−1.5%Reduced
Oppenheimer & Co Inc11,000$19.8K0.00%+11,000New
Royal Bank of Canada10,812$19.0K0.00%+1,792+19.9%Added