Security Snapshot

ACCURAY INC - Common Stock (ARAY) Institutional Ownership

CUSIP: 004397105

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

122

Shares (Excl. Options)

75,593,413

Price

$0.39

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Type / Class
Equity / Common Stock
Symbol
ARAY on Nasdaq
Shares outstanding
138,263,204
Price per share
$0.43
All holders as of 31 Mar 2026
Q1 2026
Total 13F shares
75,593,413
Total reported value
$27,393,430
% of total 13F portfolios
0%
Share change
-1,812,881
Value change
-$1,927,416
Number of holders
122
Price from insider filings
$0.43
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Key facts

  • ARAY - ACCURAY INC - Common Stock is tracked under CUSIP 004397105.
  • 122 institutions reported positions in Q1 2026.
  • 4 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 123 to 122 between Q4 2025 and Q1 2026.
  • Reported value moved from $60,348,897 to $27,393,430.

Research use

  • 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.

Evidence

Source: SEC Form 13F

Latest holder context comes from 122 institutions filings for Q1 2026.

Open SEC Evidence

Security key

004397105

Latest holder period

Q1 2026

13F holders

122

13D/G owners

4

CIK / CUSIP context first

Open Q1 2026 holders ARAY full holder history ACCURAY INC SEC filings ACCURAY INC company facts ACCURAY INC insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

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 14% +18% $8,145,085 +$1,493,866 18,942,059 +22% The TCW Group, Inc., on behalf of the TCW Business Unit 19 May 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 Mar 2026, 122 institutional investors reported holding 75,593,413 shares of ACCURAY INC - Common Stock (ARAY). This represents 55% of the company’s total 138,263,204 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ACCURAY INC - Common Stock (ARAY) together control 50% 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 11% 15,467,952 0% 0.03% $4,084,001
BlackRock, Inc. 6.1% 8,458,409 -1% 0% $3,282,706
NEUBERGER BERMAN GROUP LLC 4.2% 5,855,064 +18% 0% $2,253,763
ARMISTICE CAPITAL, LLC 4.1% 5,636,000 +25% 0.07% $2,187,332
WEBER CAPITAL MANAGEMENT LLC /ADV 3.7% 5,055,294 0% 2% $1,961,960
VANGUARD CAPITAL MANAGEMENT LLC 3.2% 4,430,392 0% 0% $1,718,992
GEODE CAPITAL MANAGEMENT, LLC 1.7% 2,380,839 -3.9% 0% $924,159
MACKENZIE FINANCIAL CORP 1.7% 2,346,360 +22% 0% $910,622
RENAISSANCE TECHNOLOGIES LLC 1.7% 2,290,984 -6.6% 0% $889,131
STATE STREET CORP 1.5% 2,017,653 +1.1% 0% $783,051
HEARTLAND ADVISORS INC 1.4% 1,977,450 -41% 0.04% $767,448
DAFNA Capital Management LLC 1.2% 1,680,508 +20% 0.15% $652,205
SILVERBACK ASSET MANAGEMENT LLC 1.2% 1,650,000 +7.7% 0.13% $640,365
UBS Group AG 1% 1,401,766 +284% 0% $543,886
FMR LLC 0.93% 1,288,788 +21% 0% $500,179
Parkman Healthcare Partners LLC 0.64% 884,578 +3.8% 0.04% $343,305
GOLDMAN SACHS GROUP INC 0.62% 861,635 +11% 0% $334,400
D. E. Shaw & Co., Inc. 0.61% 843,646 -50% 0% $327,419
VANGUARD FIDUCIARY TRUST CO 0.55% 765,448 0% 0% $296,994
Kovack Advisors, Inc. 0.53% 738,096 -23% 0.02% $286,972
NORTHERN TRUST CORP 0.52% 717,045 -5.7% 0% $278,286
Silverberg Bernstein Capital Management LLC 0.47% 655,681 +1.1% 0.14% $254,470
AQR CAPITAL MANAGEMENT LLC 0.45% 617,477 +1348% 0% $239,643
VANGUARD PORTFOLIO MANAGEMENT LLC 0.43% 595,229 0% 0% $230,949
Squarepoint Ops LLC 0.4% 547,076 0% $212,320

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 75,593,413 $27,393,430 -$1,927,416 $0.39 122
2025 Q4 77,431,529 $60,348,897 -$4,913,795 $0.82 123
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
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