Vault-13

ACCURAY INC ARAY

COM · Common Stock · CUSIP 004397105

American radiation therapy company

111 institutional holders -14 vs Q1 2026
71,544,55471.5m shares reported held*
59.9% of all shares outstanding*
$17.6mreported value*
26 new 35 added 28 reduced 39 sold out net sold ≈ $1.0m (-4.0m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($9.2k this quarter). Holder counts are more reliable. Shares outstanding: 119.4m as of 2026-08-21, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $0.25. Options: 2 managers hold calls ($8.2k notional), 1 hold puts ($516).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

050100150Q3 22: 106Q4 22: 109Q1 23: 115Q2 23: 117Q3 23: 115Q4 23: 128Q1 24: 118Q2 24: 116Q3 24: 127Q4 24: 133Q1 25: 130Q2 25: 128Q3 25: 129Q4 25: 125Q1 26: 125Q2 26: 111111Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022106
Q4 2022109
Q1 2023115
Q2 2023117
Q3 2023115
Q4 2023128
Q1 2024118
Q2 2024116
Q3 2024127
Q4 2024133
Q1 2025130
Q2 2025128
Q3 2025129
Q4 2025125
Q1 2026125
Q2 2026111

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
1000100Q3 24: 60 bought or addedQ3 24: 43 cut or sold outQ4 24: 53 bought or addedQ4 24: 51 cut or sold outQ4 24Q1 25: 58 bought or addedQ1 25: 55 cut or sold outQ2 25: 57 bought or addedQ2 25: 59 cut or sold outQ2 25Q3 25: 63 bought or addedQ3 25: 58 cut or sold outQ4 25: 50 bought or addedQ4 25: 70 cut or sold outQ4 25Q1 26: 66 bought or addedQ1 26: 57 cut or sold outQ2 26: 61 bought or addedQ2 26: 67 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20246043
Q4 20245351
Q1 20255855
Q2 20255759
Q3 20256358
Q4 20255070
Q1 20266657
Q2 20266167

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$200k$400k$600kQ3 25 calls: $114.6kQ3 25 puts: $1.0kQ3 25P/C 0.01Q4 25 calls: $97.7kQ4 25 puts: $490.2kQ4 25P/C 5.02Q1 26 calls: $15.9kQ1 26 puts: $11.1kQ1 26P/C 0.70Q2 26 calls: $8.2kQ2 26 puts: $516Q2 26P/C 0.06
Numbers
QuarterCallsPutsP/C
Q3 2025$114.6k$1.0k0.01
Q4 2025$97.7k$490.2k5.02
Q1 2026$15.9k$11.1k0.70
Q2 2026$8.2k$5160.06

Biggest buyers

TCW GROUP INC Added +3,474,107+3.5m
JANE STREET GROUP, LLC New +2,139,720+2.1m
AQR CAPITAL MANAGEMENT LLC Added +2,101,555+2.1m
MILLENNIUM MANAGEMENT LLC New +1,589,145+1.6m
Squarepoint Ops LLC Added +901,158+901.2k
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added +791,827+791.8k
Qube Research & Technologies Ltd New +347,512+347.5k
Kovack Advisors, Inc. Added +312,800+312.8k
JPMORGAN CHASE & CO Added +296,852+296.9k
IEQ CAPITAL, LLC Added +289,840+289.8k

Biggest sellers

BlackRock, Inc. Reduced -5,192,224-5.2m
MACKENZIE FINANCIAL CORP Sold out -2,346,360-2.3m
HEARTLAND ADVISORS INC Sold out -1,977,450-2.0m
STATE STREET CORP Reduced -1,531,787-1.5m
GEODE CAPITAL MANAGEMENT, LLC Reduced -1,191,462-1.2m
Parkman Healthcare Partners LLC Sold out -884,578-884.6k
VANGUARD PORTFOLIO MANAGEMENT LLC Sold out -595,229-595.2k
NORTHERN TRUST CORP Reduced -453,486-453.5k
ACADIAN ASSET MANAGEMENT LLC Sold out -394,270-394.3k
Mitsubishi UFJ Asset Management Co., Ltd. Sold out -334,023-334.0k

Biggest calls

UNITED CAPITAL FINANCIAL ADVISORS, LLC New $5.2k20.0k shares
JANE STREET GROUP, LLC New $3.1k12.0k shares

Biggest puts

SIMPLEX TRADING, LLC New $5162.0k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
TCW GROUP INC 13D · may seek influence +5.0 pts · filed 2026-09-02
Stated purposeThe disclosure in Item 4 is supplemented by adding the following: Reference is made to the disclosure set forth in Items 3, 5, and 6 of this Amendment No. 3, which is incorporated herein by reference. The purpose of the issuance of the July Penny Warrants was to incentivize the holders thereof (or their affiliates) to invest in the Issuer pursuant to the Purchase Agreement and to enter into the Limited Waiver and Amendment No. 3 to Financing Agreement (the "Third Amendment") in respect of the Financing Agreement, dated as of June 6, 2025 (as amended by the Third Amendment, and as further amended, amended and restated, supplemented, revised, or otherwise modified from time to time, the "Financing Agreement"), by and among the Issuer, the guarantors party thereto, and TCW Asset Management … Full filing
18.7% +5.0 pts 27.5m≈ $6.3m 2026-09-02

Fell to 5% or below in the last year: Neuberger Berman Group LLC (4.6%, 2026-08-05), BlackRock, Inc. (1.7%, 2026-07-27), VANGUARD GROUP INC (0.0%, 2026-03-26)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q4 24: 0 buyingQ4 24: 0 sellingQ1 25: 0 buyingQ1 25: 0 sellingQ1 25Q2 25: 1 buyingQ2 25: 0 sellingQ3 25: 0 buyingQ3 25: 0 sellingQ3 25Q4 25: 1 buyingQ4 25: 0 sellingQ1 26: 1 buyingQ1 26: 0 sellingQ1 26Q2 26: 0 buyingQ2 26: 0 sellingQ3 26: 0 buyingQ3 26: 0 sellingQ3 26
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20240—0——
Q1 20250—0——
Q2 20251$62.5k0——
Q3 20250—0——
Q4 20251$19.4k0——
Q1 20261$134.1k0——
Q2 20260—0——
Q3 20260—0——

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 TCW GROUP INC 0.03% of their portfolio LOS ANGELES, CA 18,942,05918.9m $4.1m $4.1m 0.03% Added +3.5m +3,474,107
2 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 6,073,6636.1m $1.6m $1.6m 0.00% Added +218.6k +218,599
3 ARMISTICE CAPITAL, LLC 0.04% of their portfolio NEW YORK, NY 5,736,0005.7m $1.5m $1.5m 0.04% Added +100.0k +100,000
4 WEBER CAPITAL MANAGEMENT LLC /ADV 1.08% of their portfolio Dover, MA 4,932,7064.9m $1.3m $1.3m 1.08% Reduced -122.6k -122,588
5 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 4,437,8004.4m $1.1m $1.1m 0.00% Added +7.4k +7,408
6 BlackRock, Inc. 0.00% of their portfolio New York, NY 3,266,1853.3m $842.0k $842.0k 0.00% Reduced -5.2m -5,192,224
7 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 2,719,0322.7m $701.0k $701.0k 0.00% Added +2.1m +2,101,555
8 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 2,139,7202.1m $551.6k $551.6k 0.00% New
9 RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio NEW YORK, NY 2,065,2842.1m $532.4k $532.4k 0.00% Reduced -225.7k -225,700
10 DAFNA Capital Management LLC 0.08% of their portfolio LOS ANGELES, CA 1,680,5081.7m $433.2k $433.2k 0.08% Unchanged
11 UBS Group AG 0.00% of their portfolio ZURICH, V8 1,623,9651.6m $419.0k $419.0k 0.00% Added +222.2k +222,199
12 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 1,589,1451.6m $409.7k $409.7k 0.00% New
13 SILVERBACK ASSET MANAGEMENT LLC 0.05% of their portfolio DURHAM, NC 1,450,0001.4m $373.8k $373.8k 0.05% Reduced -200.0k -200,000
14 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 1,448,2341.4m $373.4k $373.4k 0.00% Added +901.2k +901,158
15 FMR LLC 0.00% of their portfolio BOSTON, MA 1,375,7461.4m $354.7k $354.7k 0.00% Added +87.0k +86,958
16 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 1,189,3771.2m $306.7k $306.7k 0.00% Reduced -1.2m -1,191,462
17 Kovack Advisors, Inc. 0.01% of their portfolio FT. LAUDERDALE, FL 1,050,8961.1m $272.7k $272.7k 0.01% Added +312.8k +312,800
18 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 825,604825.6k $212.8k $212.8k 0.00% Added +791.8k +791,827
19 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 802,957803.0k $207.0k $207.0k 0.00% Reduced -58.7k -58,678
20 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 685,262685.3k $176.8k $176.8k 0.00% Reduced -80.2k -80,186
21 Silverberg Bernstein Capital Management LLC 0.07% of their portfolio ARMONK, NY 658,915658.9k $169.9k $169.9k 0.07% Added +3.2k +3,234
22 D. E. Shaw & Co., Inc. 0.00% of their portfolio New York, NY 649,353649.4k $167.4k $167.4k 0.00% Reduced -194.3k -194,293
23 TENOR CAPITAL MANAGEMENT Co., L.P. 0.00% of their portfolio NEW YORK, NY 500,000500.0k $128.9k $128.9k 0.00% Unchanged
24 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 485,866485.9k $125.3k $125.3k 0.00% Reduced -1.5m -1,531,787
25 Assenagon Asset Management S.A. 0.00% of their portfolio SENNINGERBERG, N4 408,028408.0k $105.2k $105.2k 0.00% Added +204.0k +204,013
26 TUDOR INVESTMENT CORP ET AL 0.00% of their portfolio STAMFORD, CT 392,236392.2k $101.1k $101.1k 0.00% Added +180.6k +180,639
27 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 376,695376.7k $97.8k $97.8k 0.00% Added +296.9k +296,852
28 Qube Research & Technologies Ltd 0.00% of their portfolio LONDON, X0 347,512347.5k $89.6k $89.6k 0.00% New
29 IEQ CAPITAL, LLC 0.00% of their portfolio Foster City, CA 333,267333.3k $85.9k $85.9k 0.00% Added +289.8k +289,840
30 North Star Investment Management Corp. 0.00% of their portfolio CHICAGO, IL 264,620264.6k $68.2k $68.2k 0.00% Added +100.0k +100,000
31 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 263,559263.6k $67.9k $67.9k 0.00% Reduced -453.5k -453,486
32 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 257,033257.0k $66.3k $66.3k 0.00% Reduced -31.8k -31,780
33 Williams & Novak, LLC 0.04% of their portfolio WESTLAKE VILLAGE, CA 238,230238.2k $61.4k $61.4k 0.04% Added +56.2k +56,200
34 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 172,639172.6k $44.5k $44.5k 0.00% Reduced -12.0k -11,971
35 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 160,899160.9k $41.5k $41.5k 0.00% New
36 Mariner, LLC 0.00% of their portfolio Overland Park, KS 127,442127.4k $32.9k $32.9k 0.00% Added +78.2k +78,216
37 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 118,703118.7k $30.6k $30.6k 0.00% Reduced -209.5k -209,472
38 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 111,500111.5k $28.7k $28.7k 0.00% Reduced -36.0k -36,047
39 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 111,442111.4k $29.0k $29.0k 0.00% Unchanged
40 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 110,614110.6k $28.4k $28.4k 0.00% Reduced -61.5k -61,495
41 Cerity Partners LLC 0.00% of their portfolio NEW YORK, NY 104,735104.7k $27.0k $27.0k 0.00% Added +69.3k +69,251
42 WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio PLYMOUTH, MN 94,96195.0k $19.1k $19.1k 0.00% Added +80.3k +80,328
43 Schonfeld Strategic Advisors LLC 0.00% of their portfolio NEW YORK, NY 87,67887.7k $22.6k $22.6k 0.00% Reduced -44.6k -44,614
44 Tower Research Capital LLC (TRC) 0.00% of their portfolio NEW YORK, NY 54,57054.6k $14.1k $14.1k 0.00% Added +23.7k +23,731
45 Virtu Financial LLC 0.00% of their portfolio New York, NY 54,49954.5k $14.0k $14.0k 0.00% New
46 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 52,29052.3k $13.5k $13.5k 0.00% Added +35.4k +35,379
47 Janney Montgomery Scott LLC 0.00% of their portfolio PHILADELPHIA, PA 50,03250.0k $13.0k $13.0k 0.00% Unchanged
48 Point72 Asset Management, L.P. 0.00% of their portfolio STAMFORD, CT 47,55247.6k $12.3k $12.3k 0.00% New
49 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 43,91643.9k $11.3k $11.3k 0.00% Reduced -118.6k -118,589
50 GABELLI FUNDS LLC 0.00% of their portfolio Rye, NY 43,80043.8k $11.3k $11.3k 0.00% Unchanged
51 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 42,68642.7k $11.0k $11.0k 0.00% Added +28.6k +28,574
52 Callan Family Office, LLC 0.00% of their portfolio RADNOR, PA 42,38642.4k $10.9k $10.9k 0.00% New
53 Vanguard Global Advisers, LLC 0.00% of their portfolio MALVERN, PA 41,22241.2k $10.6k $10.6k 0.00% Unchanged
54 CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio RALEIGH, NC 38,61938.6k $10.0k $10.0k 0.00% New
55 Arax Advisory Partners 0.00% of their portfolio NEW YORK, NY 36,56136.6k $9.4k $9.4k 0.00% Added +36.5k +36,531
56 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 34,54834.5k $8.9k $8.9k 0.00% Added +20.0k +20,007
57 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 34,08034.1k $9.0k $9.0k 0.00% Unchanged
58 StoneX Group Inc. 0.00% of their portfolio NEW YORK, NY 33,09633.1k $12.1k $12.1k 0.00% New
59 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 31,55131.6k $8.1k $8.1k 0.00% New
60 BRIGHTON JONES LLC 0.00% of their portfolio SEATTLE, WA 27,62927.6k $7.1k $7.1k 0.00% New
61 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 24,71924.7k $6.4k $6.4k 0.00% Reduced -26.1k -26,056
62 Pallas Capital Advisors LLC 0.00% of their portfolio BRAINTREE, MA 24,61324.6k $6.3k $6.3k 0.00% New
63 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 23,40023.4k $6.0k $6.0k 0.00% Unchanged
64 HARBOUR INVESTMENTS, INC. 0.00% of their portfolio MADISON, WI 23,32923.3k $6.0k $6.0k 0.00% Reduced -32 -32
65 Merit Financial Group, LLC 0.00% of their portfolio ALPHARETTA, GA 22,40122.4k $5.8k $5.8k 0.00% New
66 SEI INVESTMENTS CO 0.00% of their portfolio OAKS, PA 22,03522.0k $5.7k $5.7k 0.00% Reduced -66.9k -66,913
67 OPPENHEIMER & CO INC 0.00% of their portfolio NEW YORK, NY 21,00021.0k $5.4k $5.4k 0.00% Unchanged
68 PERKINS CAPITAL MANAGEMENT INC 0.00% of their portfolio WAYZATA, MN 20,00020.0k $5.2k $5.2k 0.00% Reduced -32.5k -32,500
69 R Squared Ltd 0.00% of their portfolio HONG KONG, K3 19,35419.4k $5.0k $5.0k 0.00% Reduced -1.1k -1,064
70 Corient Private Wealth LP 0.00% of their portfolio MIAMI, FL 18,57418.6k $4.8k $4.8k 0.00% New
71 DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio AUSTIN, TX 18,29118.3k $4.7k $4.7k 0.00% Reduced -276.6k -276,612
72 Teton Advisors, LLC 0.00% of their portfolio GREENWICH, CT 18,00018.0k $4.6k $4.6k 0.00% Unchanged
73 SG Americas Securities, LLC 0.00% of their portfolio NEW YORK, NY 15,96616.0k $4.0k $4.0k 0.00% New
74 Focus Partners Wealth 0.00% of their portfolio ST LOUIS, MO 15,87015.9k $4.1k $4.1k 0.00% New
75 Integrated Wealth Concepts LLC 0.00% of their portfolio WALTHAM, MA 15,03815.0k $3.9k $3.9k 0.00% New
76 NorthCrest Asset Manangement, LLC 0.00% of their portfolio PLYMOUTH, MN 14,26514.3k $3.8k $3.8k 0.00% New
77 Associated Banc-Corp 0.00% of their portfolio Green Bay, WI 13,67513.7k $3.5k $3.5k 0.00% Unchanged
78 BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio HOUSTON, TX 13,30013.3k $3.4k $3.4k 0.00% Unchanged
79 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 13,00713.0k $3.4k $3.4k 0.00% New
80 Krilogy Financial LLC 0.00% of their portfolio ST. LOUIS, MO 11,73411.7k $3.0k $3.0k 0.00% New
81 ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio Berwyn, PA 10,86110.9k $2.8k $2.8k 0.00% Added +483 +483
82 Algorithmic Investment Models, LLC 0.00% of their portfolio Boston, MA 10,63010.6k $2.7k $2.7k 0.00% New
83 Proficio Capital Partners LLC 0.00% of their portfolio NEWTON, MA 10,47010.5k $2.7k $2.7k 0.00% New
84 MML INVESTORS SERVICES, LLC 0.00% of their portfolio SPRINGFIELD, MA 10,00010.0k $2.6k $2.6k 0.00% Unchanged
85 SIMPLEX TRADING, LLC 0.00% of their portfolio CHICAGO, IL 9,3299.3k $2.4k $2.4k 0.00% Added +6.4k +6,443
86 Allworth Financial LP 0.00% of their portfolio FOLSOM, CA 7,7697.8k $2.0k $2.0k 0.00% Added +3.9k +3,891
87 Essential Partners LLC 0.00% of their portfolio RANCHO SANTA FE, CA 7,3697.4k $1.9k $1.9k 0.00% Added +7.1k +7,125
88 Global Retirement Partners, LLC 0.00% of their portfolio San Rafael, CA 5,2555.3k $1.4k $1.4k 0.00% First filing
89 EverSource Wealth Advisors, LLC 0.00% of their portfolio BIRMINGHAM, AL 4,7874.8k $1.2k $1.2k 0.00% Added +3.5k +3,540
90 Optiver Holding B.V. 0.00% of their portfolio AMSTERDAM, P7 3,3933.4k $875 $875 0.00% Added +1.7k +1,681
91 True Wealth Design, LLC 0.00% of their portfolio AKRON, OH 1,6571.7k $428 $428 0.00% Added +1.6k +1,590
92 FIFTH THIRD BANCORP 0.00% of their portfolio CINCINNATI, OH 1,5931.6k $410 $410 0.00% Reduced -2.7k -2,663
93 Crews Bank & Trust 0.00% of their portfolio PORT CHARLOTTE, FL 1,5001.5k $387 $387 0.00% Unchanged
94 Farther Finance Advisors, LLC 0.00% of their portfolio SAN FRANCISCO, CA 1,4901.5k $385 $385 0.00% Added +1.1k +1,052
95 OSAIC HOLDINGS, INC. 0.00% of their portfolio SCOTTSDALE, AZ 1,0001.0k $260 $260 0.00% Unchanged
96 Larson Financial Group LLC 0.00% of their portfolio ST LOUIS, MO 920920 $237 $237 0.00% Unchanged
97 Rockefeller Capital Management L.P. 0.00% of their portfolio NEW YORK, NY 882882 $227 $227 0.00% Reduced -564 -564
98 ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio CHICAGO, IL 748748 $193 $193 0.00% Added +502 +502
99 RHUMBLINE ADVISERS 0.00% of their portfolio BOSTON, MA 682682 $175 $175 0.00% Reduced -68.7k -68,694
100 Fortitude Family Office, LLC 0.00% of their portfolio SCOTTSDALE, AZ 639639 $165 $165 0.00% New