Latest Period
Q4 2025
Security Snapshot
ACCURAY INC - Common Stock (ARAY) Institutional Ownership
CUSIP: 004397105
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
122
Shares (Excl. Options)
77,431,514
Price
$0.82
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- Type / Class
- Equity / Common Stock
- Symbol
- ARAY on Nasdaq
- Shares outstanding
- 134,503,930
- Price per share
- $0.39
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 77,431,514
- Total reported value
- $60,348,885
- % of total 13F portfolios
- 0%
- Share change
- -2,968,181
- Value change
- -$4,913,685
- Number of holders
- 122
- Price from insider filings
- $0.39
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ARAY - ACCURAY INC - Common Stock is tracked under CUSIP 004397105.
- 122 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 122 to 27 between Q4 2025 and Q1 2026.
- Reported value moved from $60,348,885 to $2,696,520.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 122 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 004397105?
CUSIP 004397105 identifies ARAY - ACCURAY INC - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 004397105:
Significant Owners of ACCURAY INC - Common Stock (ARAY) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| TCW GROUP INC | 12% | +12% | $6,006,206 | +$1,381,802 | 15,467,952 | +30% | The TCW Group, Inc., on behalf of the TCW Business Unit | 17 Apr 2026 |
| BlackRock, Inc. | 6.5% | $10,345,896 | 6,718,114 | BlackRock, Inc. | 31 Mar 2025 | |||
| Aevum Pension Fund | 5.4% | +6% | $8,316,000 | +$400,400 | 5,400,000 | +5.1% | Aevum Pension Fund | 31 Dec 2024 |
| Neuberger Berman Group LLC | 4.7% | $7,182,051 | 5,242,373 | Neuberger Berman Group LLC | 31 Jul 2025 |
As of 31 Dec 2025, 122 institutional investors reported holding 77,431,514 shares of ACCURAY INC - Common Stock (ARAY). This represents 58% of the company’s total 134,503,930 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of ACCURAY INC - Common Stock (ARAY) together control 52% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| TCW GROUP INC | 12% | 15,467,952 | 0% | 0.07% | $9,292,713 |
| BlackRock, Inc. | 6.4% | 8,547,129 | -2.5% | 0% | $7,047,963 |
| VANGUARD GROUP INC | 4.3% | 5,818,576 | +6.2% | 0% | $4,800,325 |
| WEBER CAPITAL MANAGEMENT LLC /ADV | 3.8% | 5,055,294 | 0% | 3.9% | $4,168,595 |
| NEUBERGER BERMAN GROUP LLC | 3.7% | 4,966,968 | -6% | 0% | $4,092,807 |
| ARMISTICE CAPITAL, LLC | 3.3% | 4,500,000 | +35% | 0.09% | $3,710,700 |
| HEARTLAND ADVISORS INC | 2.5% | 3,328,307 | -33% | 0.15% | $2,744,522 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 2,476,344 | -0.56% | 0% | $2,042,307 |
| RENAISSANCE TECHNOLOGIES LLC | 1.8% | 2,452,607 | -1.3% | 0% | $2,022,420 |
| STATE STREET CORP | 1.5% | 1,996,467 | +0.08% | 0% | $1,646,287 |
| MACKENZIE FINANCIAL CORP | 1.4% | 1,918,086 | +76% | 0% | $1,537,959 |
| D. E. Shaw & Co., Inc. | 1.3% | 1,683,269 | -6.1% | 0% | $1,388,024 |
| SILVERBACK ASSET MANAGEMENT LLC | 1.1% | 1,532,519 | +44% | 0.19% | $1,263,715 |
| DAFNA Capital Management LLC | 1% | 1,395,508 | +14% | 0.27% | $1,150,736 |
| FMR LLC | 0.79% | 1,063,632 | +22% | 0% | $877,071 |
| Kovack Advisors, Inc. | 0.71% | 953,075 | -7.1% | 0.04% | $785,906 |
| CITADEL ADVISORS LLC | 0.66% | 892,328 | +35% | 0% | $735,813 |
| Parkman Healthcare Partners LLC | 0.63% | 852,012 | 0.07% | $702,569 | |
| GOLDMAN SACHS GROUP INC | 0.58% | 773,774 | +35% | 0% | $638,054 |
| NORTHERN TRUST CORP | 0.57% | 760,594 | -6.9% | 0% | $627,186 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.55% | 733,953 | +40% | 0% | $605,218 |
| North Star Investment Management Corp. | 0.51% | 684,320 | -41% | 0.04% | $564,290 |
| Silverberg Bernstein Capital Management LLC | 0.48% | 648,548 | +2.4% | 0.31% | $534,793 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.45% | 602,114 | +2.8% | 0% | $496,503 |
| ACADIAN ASSET MANAGEMENT LLC | 0.42% | 570,089 | +84% | 0% | $467,000 |
Institutional Holders of ACCURAY INC - Common Stock (ARAY) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 6,954,687 | $2,696,520 | -$176,216 | $0.39 | 27 |
| 2025 Q4 | 77,431,514 | $60,348,885 | -$4,913,685 | $0.82 | 122 |
| 2025 Q3 | 60,001,066 | $100,180,848 | -$1,355,075 | $1.67 | 124 |
| 2025 Q2 | 73,144,282 | $94,616,692 | +$18,303,516 | $1.37 | 124 |
| 2025 Q1 | 57,280,141 | $102,555,357 | +$5,000,240 | $1.79 | 127 |
| 2024 Q4 | 54,790,484 | $108,462,413 | -$612,268 | $1.98 | 131 |
| 2024 Q3 | 55,273,478 | $99,491,658 | -$1,132,953 | $1.80 | 125 |
| 2024 Q2 | 56,546,409 | $102,909,820 | -$12,245,302 | $1.82 | 114 |
| 2024 Q1 | 61,933,521 | $152,971,932 | -$3,768,100 | $2.47 | 117 |
| 2023 Q4 | 63,470,515 | $179,637,196 | -$2,968,992 | $2.83 | 127 |
| 2023 Q3 | 64,056,101 | $174,232,976 | -$6,932,858 | $2.72 | 114 |
| 2023 Q2 | 66,613,041 | $257,801,887 | +$27,666,990 | $3.87 | 116 |
| 2023 Q1 | 59,856,675 | $177,897,491 | +$8,781,556 | $2.97 | 112 |
| 2022 Q4 | 57,183,950 | $119,499,883 | -$5,041,834 | $2.09 | 104 |
| 2022 Q3 | 59,466,960 | $123,682,666 | -$5,514,684 | $2.08 | 101 |
| 2022 Q2 | 61,466,968 | $120,500,134 | -$22,882,991 | $1.96 | 113 |
| 2022 Q1 | 69,953,335 | $231,492,434 | +$2,188,575 | $3.31 | 139 |
| 2021 Q4 | 69,645,561 | $331,987,197 | +$9,635,567 | $4.77 | 136 |
| 2021 Q3 | 67,372,354 | $265,964,765 | -$13,001,613 | $3.95 | 127 |
| 2021 Q2 | 70,609,601 | $319,088,190 | +$5,486,849 | $4.52 | 124 |
| 2021 Q1 | 69,139,124 | $341,987,324 | +$14,275,160 | $4.95 | 132 |
| 2020 Q4 | 66,332,505 | $276,527,663 | +$1,018,979 | $4.17 | 122 |
| 2020 Q3 | 64,851,285 | $155,624,642 | -$246,598 | $2.40 | 110 |
| 2020 Q2 | 65,365,193 | $132,688,162 | -$345,040 | $2.03 | 115 |
| 2020 Q1 | 65,248,279 | $123,935,969 | -$6,107,649 | $1.90 | 105 |
| 2019 Q4 | 67,410,487 | $190,085,841 | -$5,158,525 | $2.82 | 113 |
| 2019 Q3 | 69,175,353 | $191,624,868 | -$6,513,085 | $2.77 | 112 |
| 2019 Q2 | 70,890,527 | $274,342,618 | -$8,031,774 | $3.87 | 123 |
| 2019 Q1 | 72,475,112 | $345,688,015 | +$14,277,418 | $4.77 | 133 |
| 2018 Q4 | 70,520,673 | $240,461,606 | -$13,222,156 | $3.41 | 136 |
| 2018 Q3 | 74,025,920 | $333,131,952 | +$11,174,888 | $4.50 | 122 |
| 2018 Q2 | 73,209,492 | $300,160,314 | -$5,105,108 | $4.10 | 119 |
| 2018 Q1 | 74,165,561 | $370,467,716 | +$21,786,529 | $5.00 | 124 |
| 2017 Q4 | 69,934,360 | $301,087,977 | +$11,566,703 | $4.30 | 113 |
| 2017 Q3 | 67,150,426 | $268,595,232 | +$3,946,278 | $4.00 | 106 |
| 2017 Q2 | 65,829,745 | $312,688,548 | -$28,452,740 | $4.75 | 105 |
| 2017 Q1 | 71,816,492 | $341,122,336 | +$24,590,143 | $4.75 | 122 |
| 2016 Q4 | 72,441,361 | $333,358,156 | -$16,763,182 | $4.60 | 121 |
| 2016 Q3 | 75,718,549 | $481,919,464 | -$16,841,819 | $6.37 | 127 |
| 2016 Q2 | 76,854,864 | $399,051,315 | -$19,054,589 | $5.19 | 131 |
| 2016 Q1 | 80,223,948 | $463,001,143 | -$6,672,916 | $5.78 | 128 |
| 2015 Q4 | 81,126,898 | $547,723,105 | +$13,786,517 | $6.75 | 129 |
| 2015 Q3 | 78,955,342 | $394,416,571 | -$1,280,419 | $4.99 | 125 |
| 2015 Q2 | 78,346,797 | $527,899,114 | -$105,913,868 | $6.74 | 127 |
| 2015 Q1 | 87,597,880 | $814,639,118 | +$4,182,736 | $9.30 | 133 |
| 2014 Q4 | 88,982,899 | $671,743,067 | +$39,791,859 | $7.55 | 126 |
| 2014 Q3 | 83,494,592 | $606,175,591 | +$1,088,944 | $7.26 | 145 |
| 2014 Q2 | 82,540,857 | $726,135,209 | -$16,366,409 | $8.80 | 141 |
| 2014 Q1 | 82,987,503 | $796,570,742 | +$5,539,475 | $9.60 | 130 |