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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, Q1 2022

Institutional positions in Accuray Inc as of Mar 31, 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
144
+4 vs. Q4 2021
Shares held
70.0M
+429.3K (+0.6%) vs. Q4 2021
Total value
$231.6M
−$99.7M (−30.1%) vs. Q4 2021
New holders
21
48 more added
Sold out
17
49 more reduced

2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 144 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 heldQ1 2022: $231.6M
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, Q1 2022

Shares, value and share of portfolio for each institution holding Accuray Inc; share changes are against Q4 2021.

Institutions holding ARAY in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Allspring Global Investments Holdings, LLC250,807$830.0K0.00%−57,775−18.7%Reduced
UBS Group AG270,290$895.0K0.00%−97,887−26.6%Reduced
Morgan Stanley272,788$903.0K0.00%+36,743+15.6%Added
Verition Fund Management LLC292,016$967.0K0.02%+105,394+56.5%Added
North Star Investment Management Corp.302,200$1.00M0.08%+302,200New
Bank of New York Mellon Corp303,884$1.01M0.00%+2,478+0.8%Added
Globeflex Capital L P309,311$1.02M0.21%00.0%Unchanged
Engineers Gate Manager LP312,420$1.03M0.04%+75,777+32.0%Added
Gsa Capital Partners LLP326,869$1.08M0.15%+103,316+46.2%Added
Knights of Columbus Asset Advisors LLC344,388$1.14M0.10%+3,863+1.1%Added
AQR Capital Management LLC353,248$1.17M0.00%+330,428+1,448.0%Added
Marshall Wace, LLP445,633$1.48M0.00%+337,307+311.4%Added
First Trust Advisors LP452,764$1.50M0.00%+452,764New
Panagora Asset Management Inc459,553$1.52M0.01%+193,736+72.9%Added
Primecap Management Co466,600$1.54M0.00%−43,600−8.5%Reduced
Charles Schwab Investment Management Inc525,558$1.74M0.00%+12,119+2.4%Added
FMR LLC540,329$1.79M0.00%+540,079+216,031.6%Added
Fuller & Thaler Asset Management, Inc.548,212$1.81M0.01%+2,800+0.5%Added
Nuveen Asset Management, LLC585,573$1.92M0.00%+74,522+14.6%Added
Rice Hall James & Associates, LLC701,261$2.32M0.09%−3,200−0.5%Reduced
Millennium Management LLC722,050$2.39M0.00%−1,996,725−73.4%Reduced
Lapides Asset Management, LLC759,600$2.51M1.10%00.0%Unchanged
Foundry Partners, LLC807,435$2.67M0.14%−16,175−2.0%Reduced
Two Sigma Investments, LP820,512$2.72M0.01%−455,151−35.7%Reduced
Northern Trust Corp826,982$2.74M0.00%−32,611−3.8%Reduced
Kovack Advisors, Inc.859,650$2.85M0.29%−72,300−7.8%Reduced
DAFNA Capital Management LLC941,800$3.12M0.81%00.0%Unchanged
Two Sigma Advisers, LP1,197,013$3.96M0.01%−370,400−23.6%Reduced
Wellington Management Group LLP1,413,300$4.68M0.00%00.0%Unchanged
Jacobs Levy Equity Management, Inc1,434,276$4.75M0.03%+45,216+3.3%Added
Geode Capital Management, LLC1,614,616$5.34M0.00%−493,227−23.4%Reduced
Acadian Asset Management LLC1,692,930$5.60M0.02%+259,016+18.1%Added
JPMorgan Chase & Co1,837,572$6.08M0.00%+1,325,049+258.5%Added
Harbert Fund Advisors, Inc.1,849,184$6.12M3.16%+25,000+1.4%Added
Dimensional Fund Advisors LP2,060,086$6.82M0.00%−31,296−1.5%Reduced
Royce & Associates LP2,411,447$7.98M0.07%+488,582+25.4%Added
D. E. Shaw & Co., Inc.2,793,356$9.25M0.01%+9,918+0.4%Added
Renaissance Technologies LLC3,122,384$10.3M0.01%−163,923−5.0%Reduced
Heartland Advisors Inc3,385,900$11.2M0.70%+8,800+0.3%Added
State Street Corp3,464,776$11.5M0.00%+190,768+5.8%Added
Vanguard Group Inc4,505,531$14.9M0.00%+117,354+2.7%Added
Neuberger Berman Group LLC4,838,010$16.0M0.01%−223,654−4.4%Reduced
Archon Capital Management LLC5,697,924$18.9M4.88%+1,468,071+34.7%Added
BlackRock Inc.7,749,993$25.7M0.00%+114,036+1.5%Added
Arrowstreet Capital, Limited Partnership0$00.00%−338,632−100.0%Sold out
EAM Investors, LLC0$00.00%−285,372−100.0%Sold out
Endurant Capital Management LP0$00.00%−245,764−100.0%Sold out
Citadel Advisors LLC0$00.00%−175,531−100.0%Sold out
Paloma Partners Management Co0$00.00%−33,826−100.0%Sold out
Commerce Bank0$00.00%−25,000−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−24,950−100.0%Sold out
Caxton Associates LP0$00.00%−16,363−100.0%Sold out
Cetera Investment Advisers0$00.00%−15,139−100.0%Sold out
Ilmarinen Mutual Pension Insurance Co0$00.00%−11,420−100.0%Sold out
Covestor Ltd0$00.00%−8,611−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−1,358−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,197−100.0%Sold out
Federated Hermes, Inc.0$00.00%−87−100.0%Sold out
Blue Bell Private Wealth Management, LLC0$00.00%−300−100.0%Sold out
Resources Investment Advisors, LLC.0$00.00%−164−100.0%Sold out
Northwestern Mutual Wealth Management Co0$00.00%−6−100.0%Sold out
AlphaCentric Advisors LLC––––Not filed
Harbour Investments, Inc.––––Not filed