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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, Q4 2024

Institutional positions in Accuray Inc as of Dec 31, 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
132
+6 vs. Q3 2024
Shares held
54.8M
−483.0K (−0.9%) vs. Q3 2024
Total value
$108.5M
+$8.97M (+9.0%) vs. Q3 2024
New holders
17
43 more added
Sold out
11
40 more reduced

Compare with Q3 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 holdersQ4 2024: 132 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 heldQ4 2024: $108.5M
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, Q4 2024

Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q3 2024.

Institutions holding ARAY in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.8,684,830$17.2M0.00%+241,024+2.9%Added
Neuberger Berman Group LLC5,514,330$10.9M0.01%−121,980−2.2%Reduced
Vanguard Group Inc5,286,979$10.5M0.00%−58,870−1.1%Reduced
Heartland Advisors Inc3,824,750$7.57M0.41%+472,800+14.1%Added
Renaissance Technologies LLC2,979,998$5.90M0.01%+189,414+6.8%Added
Geode Capital Management, LLC2,186,154$4.33M0.00%+6,758+0.3%Added
Foundry Partners, LLC2,183,415$4.32M0.22%−3,745−0.2%Reduced
State Street Corp1,937,310$3.84M0.00%+43,023+2.3%Added
Harbert Fund Advisors, Inc.1,849,184$3.66M3.18%00.0%Unchanged
D. E. Shaw & Co., Inc.1,793,391$3.55M0.00%+91,529+5.4%Added
Armistice Capital, LLC1,236,000$2.45M0.06%+736,000+147.2%Added
DAFNA Capital Management LLC1,222,358$2.42M0.62%00.0%Unchanged
North Star Investment Management Corp.1,048,545$2.08M0.14%+176,825+20.3%Added
Kovack Advisors, Inc.967,950$1.92M0.19%−35,100−3.5%Reduced
Archon Capital Management LLC888,662$1.76M2.12%+91,796+11.5%Added
Northern Trust Corp809,665$1.60M0.00%+7,399+0.9%Added
Kennedy Capital Management, Inc.723,438$1.43M0.03%−41,495−5.4%Reduced
Acuitas Investments, LLC708,553$1.40M1.15%00.0%Unchanged
FMR LLC641,287$1.27M0.00%+58,696+10.1%Added
Dimensional Fund Advisors LP634,066$1.25M0.00%−253,451−28.6%Reduced
UBS Group AG602,871$1.19M0.00%+355,795+144.0%Added
Morgan Stanley507,689$1.01M0.00%−16,618−3.2%Reduced
Goldman Sachs Group Inc491,590$973.3K0.00%+25,791+5.5%Added
Silverberg Bernstein Capital Management LLC372,452$737.5K0.65%−43,332−10.4%Reduced
AlphaCentric Advisors LLC350,000$693.0K0.69%00.0%Unchanged
Jacobs Levy Equity Management, Inc323,860$641.2K0.00%−61,084−15.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.283,280$560.9K0.00%+5,421+2.0%Added
Nuveen Asset Management, LLC280,062$554.5K0.00%00.0%Unchanged
Mackenzie Financial Corp272,846$540.2K0.00%+250,539+1,123.1%Added
Charles Schwab Investment Management Inc263,735$522.2K0.00%00.0%Unchanged
Wells Fargo & Company260,071$514.9K0.00%+71,198+37.7%Added
Los Angeles Capital Management LLC255,378$505.6K0.00%+23,160+10.0%Added
Citadel Advisors LLC247,296$489.6K0.00%−105,975−30.0%Reduced
JPMorgan Chase & Co242,713$480.6K0.00%+201,037+482.4%Added
Barclays PLC226,812$449.1K0.00%+15,993+7.6%Added
Invesco Ltd.225,777$447.0K0.00%−630.0%Reduced
Bank of New York Mellon Corp216,533$428.7K0.00%−2,713−1.2%Reduced
Assenagon Asset Management S.A.212,330$420.4K0.00%+47,331+28.7%Added
Bridgeway Capital Management, LLC206,300$408.5K0.01%−33,500−14.0%Reduced
Gsa Capital Partners LLP191,454$379.0K0.03%−175,340−47.8%Reduced
Globeflex Capital L P183,771$363.9K0.03%00.0%Unchanged
Primecap Management Co162,300$321.4K0.00%−10,300−6.0%Reduced
Walleye Capital LLC151,593$300.2K0.00%+151,593New
BNP Paribas Arbitrage, SA148,474$294.0K0.00%+2,090+1.4%Added
Bank of America Corp146,803$290.7K0.00%+74,394+102.7%Added
Bridge City Capital, LLC140,990$279.2K0.07%+256+0.2%Added
Susquehanna International Group, LLP134,975$267.3K0.00%+94,501+233.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.125,942$260.7K0.00%−12,263−8.9%Reduced
Marathon Capital Management110,000$217.8K0.05%00.0%Unchanged
HSBC Holdings PLC106,265$216.2K0.00%+1,337+1.3%Added
Tudor Investment Corp Et Al108,362$214.6K0.00%−193,399−64.1%Reduced
State of Wyoming99,679$197.4K0.03%+50,485+102.6%Added
Price T Rowe Associates Inc97,146$193.0K0.00%00.0%Unchanged
Perritt Capital Management Inc95,000$188.1K0.10%−25,000−20.8%Reduced
Rhumbline Advisers79,597$157.6K0.00%−17,830−18.3%Reduced
Citigroup Inc77,842$154.1K0.00%+8,368+12.0%Added
Two Sigma Investments, LP72,481$143.5K0.00%+72,481New
Two Sigma Advisers, LP70,513$139.6K0.00%+20,813+41.9%Added
Silverback Asset Management LLC69,061$136.7K0.02%+69,061New
Millennium Management LLC68,814$136.3K0.00%−266,668−79.5%Reduced
Perkins Capital Management Inc68,000$134.6K0.12%+10,500+18.3%Added
Squarepoint Ops LLC61,804$122.4K0.00%+16,368+36.0%Added
Williams & Novak, LLC58,770$116.4K0.11%−2,750−4.5%Reduced
XTX Topco Ltd54,799$108.5K0.01%−83,686−60.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.54,716$108.3K0.00%+2,356+4.5%Added
MetLife Investment Management48,234$95.5K0.00%+13,370+38.3%Added
Corebridge Financial, Inc.48,208$95.5K0.00%−3,068−6.0%Reduced
Intech Investment Management LLC46,680$92.4K0.00%+23,808+104.1%Added
Teton Advisors, Inc.45,000$89.1K0.05%−5,000−10.0%Reduced
Gabelli Funds LLC45,000$89.1K0.00%+5,000+12.5%Added
SG Americas Securities, LLC45,079$89.0K0.00%+12,259+37.4%Added
Deutsche Bank AG42,080$83.3K0.00%00.0%Unchanged
Parallel Advisors, LLC40,000$79.2K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The39,547$78.3K0.00%−3,323−7.8%Reduced
Envestnet Asset Management Inc39,213$77.6K0.00%+3,167+8.8%Added
Susquehanna Fundamental Investments, LLC33,354$66.0K0.00%+33,354New
SEI Investments Co32,807$65.0K0.00%−6,933−17.4%Reduced
Voya Investment Management LLC32,796$64.9K0.00%−1,642−4.8%Reduced
Thrivent Financial for Lutherans31,800$63.0K0.00%00.0%Unchanged
Alliancebernstein L.P.30,930$61.2K0.00%00.0%Unchanged
Algert Global LLC29,760$58.9K0.00%00.0%Unchanged
New York State Common Retirement Fund29,096$57.6K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey28,113$55.7K0.00%+28,113New
ProShare Advisors LLC27,308$54.1K0.00%+9,187+50.7%Added
State Board of Administration of Florida Retirement System26,620$52.7K0.00%00.0%Unchanged
Verition Fund Management LLC26,062$51.6K0.00%+26,062New
Engineers Gate Manager LP21,902$43.4K0.00%−22,822−51.0%Reduced
Prudential Financial Inc21,710$43.0K0.00%+21,710New
Bleakley Financial Group, LLC19,833$39.3K0.00%00.0%Unchanged
AQR Capital Management LLC18,893$37.4K0.00%+18,893New
US Bancorp17,816$35.3K0.00%00.0%Unchanged
Ameriprise Financial Inc17,760$35.2K0.00%+17,760New
Jane Street Group, LLC17,370$34.4K0.00%−144,283−89.3%Reduced
LPL Financial LLC15,081$29.9K0.00%−2,140−12.4%Reduced
CAPROCK Group, Inc.15,000$29.7K0.00%−5,000−25.0%Reduced
Panagora Asset Management Inc13,314$26.4K0.00%+13,314New
Lane & Associates LLC11,306$25.2K0.01%−1,155−9.3%Reduced
Moseley Investment Management Inc12,000$23.8K0.01%00.0%Unchanged
Victory Capital Management Inc11,791$23.3K0.00%−97−0.8%Reduced
Simplex Trading, LLC11,867$23.0K0.00%+8,294+232.1%Added