ARAY · Accuray Inc

$0.27 +0.01 (+4.50%) At close · Aug 28

Market Cap

$32.71M

119.44M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 112

Total Value: $18,566,124

Total Shares: 71,408,421

Showing 1–100 of 113 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 112 13F filers · Δ vs Mar 31, 2026

Top Holder

26.5%

+6.1 pts

Top 5

56.2%

+2.7 pts

Top 10

72.8%

+1.6 pts

HHI

1,020

Broadly held+213

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -14

Institutional value: -37.1%

Shares held: -5.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Large TCW GROUP INC	+3,474,107	18,942,059
Mega AQR CAPITAL MANAGEMENT LLC	+2,101,555	2,719,032
Large Squarepoint Ops LLC	+901,158	1,448,234
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+791,827	825,604
Mid Kovack Advisors, Inc.	+312,800	1,050,896

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−5,192,224	3,266,185
Mega STATE STREET CORP	−1,531,787	485,866
Mega GEODE CAPITAL MANAGEMENT, LLC	−1,191,462	1,189,377
Mega NORTHERN TRUST CORP	−453,486	263,559
Mega DIMENSIONAL FUND ADVISORS LP	−276,612	18,291

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega JANE STREET GROUP, LLC	2,151,720	$559,447
Mega MILLENNIUM MANAGEMENT LLC	1,589,145	$413,177
Mega Qube Research & Technologies Ltd	347,512	$90,353
Mid XTX Topco Ltd	160,899	$41,833
Mid Virtu Financial LLC	54,499	$14,169

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large MACKENZIE FINANCIAL CORP	2,346,360	$915,080
Mid HEARTLAND ADVISORS INC	1,977,450	$771,205
Small Parkman Healthcare Partners LLC	884,578	$344,985
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	595,229	$232,139
Large ACADIAN ASSET MANAGEMENT LLC	394,270	$153,765

Filter: New 27 Increased 35 Reduced 29 Sold out 41 Unchanged 21

Showing 100 of 113

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

TCW GROUP INC

$4,924,935

26.53%

18,942,059

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TCW ASSET MANAGEMENT CO LLC	18,942,059	$4,924,935	100.0%	Defined

NEUBERGER BERMAN GROUP LLC

$1,579,151

8.51%

6,073,663

ARMISTICE CAPITAL, LLC

$1,491,360

8.03%

5,736,000

WEBER CAPITAL MANAGEMENT LLC /ADV

$1,282,503

6.91%

4,932,706

VANGUARD CAPITAL MANAGEMENT LLC

$1,153,828

6.21%

4,437,800

BlackRock, Inc.

$849,206

4.57%

3,266,185

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	264,855	$68,862	8.1%	Sole
BlackRock Asset Management Canada Ltd	140	$36	0.0%	Sole
BlackRock Investment Management, LLC	42,830	$11,135	1.3%	Sole
BLACKROCK ADVISORS LLC	68,277	$17,752	2.1%	Sole
BlackRock Fund Advisors	498,824	$129,694	15.3%	Sole
BlackRock Institutional Trust Company, N.A.	2,202,735	$572,711	67.4%	Sole
BlackRock Investment Management (UK) Ltd.	188,524	$49,016	5.8%	Sole

AQR CAPITAL MANAGEMENT LLC

$706,945

3.81%

2,719,032

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RF&L WEALTH MANAGEMENT, LLC	123	$31	0.0%	Other
Compound Planning, Inc.	84	$21	0.0%	Other
Arax Advisory Partners	35,881	$9,329	1.3%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	23,039	$5,990	0.8%	Other
Stokes Family Office, LLC	9,619	$2,500	0.4%	Other
Held directly	2,650,286	$689,074	97.5%	Defined

JANE STREET GROUP, LLC

$556,327

3.00%

2,139,720

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	926,016	$240,764	43.3%	Defined
Jane Street Global Trading, LLC	1,213,704	$315,563	56.7%	Defined

RENAISSANCE TECHNOLOGIES LLC

$536,973

2.89%

2,065,284

DAFNA Capital Management LLC

$436,932

2.35%

1,680,508

UBS Group AG

$422,230

2.27%

1,623,965

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	39,205	$10,193	2.4%	Defined
UBS AG	935,360	$243,193	57.6%	Defined
UBS Europe SE	649,400	$168,844	40.0%	Defined

MILLENNIUM MANAGEMENT LLC

$413,177

2.23%

1,589,145

SILVERBACK ASSET MANAGEMENT LLC

$377,000

2.03%

1,450,000

Squarepoint Ops LLC

$376,540

2.03%

1,448,234

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	1,448,234	$376,540	100.0%	Defined

FMR LLC

$357,693

1.93%

1,375,746

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	1,375,746	$357,693	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$309,237

1.67%

1,189,377

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	226,042	$58,770	19.0%	Defined
Held directly	963,335	$250,467	81.0%	Defined

Kovack Advisors, Inc.

$273,232

1.47%

1,050,896

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$214,657

1.16%

825,604

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	825,604	$214,657	100.0%	Other

GOLDMAN SACHS GROUP INC

$208,768

1.12%

802,957

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	541,336	$140,747	67.4%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	261,621	$68,021	32.6%	Defined

VANGUARD FIDUCIARY TRUST CO

$178,168

0.96%

685,262

Silverberg Bernstein Capital Management LLC

$171,317

0.92%

658,915

D. E. Shaw & Co., Inc.

$168,831

0.91%

649,353

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. Shaw Investment Management, L.L.C. joint	649,353	$168,831	100.0%	Defined

TENOR CAPITAL MANAGEMENT Co., L.P.

$130,000

0.70%

500,000

STATE STREET CORP

$126,325

0.68%

485,866

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	485,866	$126,325	100.0%	Defined

TUDOR INVESTMENT CORP ET AL

$101,981

0.55%

392,236

JPMORGAN CHASE & CO

$97,939

0.53%

376,695

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Securities LLC	376,165	$97,802	99.9%	Defined
J.P. Morgan Securities plc	530	$137	0.1%	Defined

Qube Research & Technologies Ltd

$90,353

0.49%

347,512

IEQ CAPITAL, LLC

$86,649

0.47%

333,267

North Star Investment Management Corp.

$68,801

0.37%

264,620

NORTHERN TRUST CORP

$68,524

0.37%

263,559

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	263,559	$68,524	100.0%	Defined

MORGAN STANLEY

$66,825

0.36%

257,033

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	10,114	$2,629	3.9%	Defined
MORGAN STANLEY & CO. LLC	9,696	$2,520	3.8%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	228,572	$59,428	88.9%	Defined
MORGAN STANLEY SMITH BARNEY LLC	6,499	$1,689	2.5%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	2,152	$559	0.8%	Defined

Williams & Novak, LLC

$61,939

0.33%

238,230

Assenagon Asset Management S.A.

$53,043

0.29%

204,014

BARCLAYS PLC

$44,885

0.24%

172,639

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	167,001	$43,420	96.7%	Defined
BARCLAYS CAPITAL INC.	5,638	$1,465	3.3%	Defined

XTX Topco Ltd

$41,833

0.23%

160,899

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	160,899	$41,833	100.0%	Defined

Mariner, LLC

$33,134

0.18%

127,442

Invesco Ltd.

$30,862

0.17%

118,703

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Capital Management LLC	118,703	$30,862	100.0%	Defined

WELLS FARGO & COMPANY/MN

$28,990

0.16%

111,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO CLEARING SERVICES, LLC	111,500	$28,990	100.0%	Defined

HSBC HOLDINGS PLC

$28,974

0.16%

111,442

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	111,442	$28,974	100.0%	Defined

BANK OF AMERICA CORP /DE/

$28,759

0.15%

110,614

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	91,535	$23,799	82.8%	Defined
BOFA SECURITIES, INC.	19,079	$4,960	17.2%	Defined

Cerity Partners LLC

$27,230

0.15%

104,735

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$24,689

0.13%

94,961

Schonfeld Strategic Advisors LLC

$22,796

0.12%

87,678

Tower Research Capital LLC (TRC)

$14,188

0.08%

54,570

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Tower Research Capital Investments LLC	21,393	$5,562	39.2%	Other
Latour Trading LLC (Latour)	33,177	$8,626	60.8%	Defined

Virtu Financial LLC

$14,169

0.08%

54,499

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	54,499	$14,169	100.0%	Defined

MERCER GLOBAL ADVISORS INC /ADV

$13,595

0.07%

52,290

Janney Montgomery Scott LLC

$13,008

0.07%

50,032

Point72 Asset Management, L.P.

$12,363

0.07%

47,552

JACOBS LEVY EQUITY MANAGEMENT, INC

$11,418

0.06%

43,916

GABELLI FUNDS LLC

$11,388

0.06%

43,800

Creative Planning

$11,098

0.06%

42,686

Callan Family Office, LLC

$11,020

0.06%

42,386

Vanguard Global Advisers, LLC

$10,717

0.06%

41,222

CAPTRUST FINANCIAL ADVISORS

$10,040

0.05%

38,619

Arax Advisory Partners

$9,505

0.05%

36,561

LPL Financial LLC

$8,982

0.05%

34,548

Thrivent Financial for Lutherans

$8,860

0.05%

34,080

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Thrivent Advisor Network, LLC	34,080	$8,860	100.0%	Sole

StoneX Group Inc.

$8,604

0.05%

33,096

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	33,096	$8,604	100.0%	Defined

CITADEL ADVISORS LLC

$8,203

0.04%

31,551

BRIGHTON JONES LLC

$7,183

0.04%

27,629

BNP PARIBAS ARBITRAGE, SA

$6,426

0.03%

24,719

Pallas Capital Advisors LLC

$6,399

0.03%

24,613

TWO SIGMA INVESTMENTS, LP

$6,084

0.03%

23,400

HARBOUR INVESTMENTS, INC.

$6,065

0.03%

23,329

Merit Financial Group, LLC

$5,824

0.03%

22,401

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AQR Capital Management	19,508	$5,072	87.1%	Other
Held directly	2,893	$752	12.9%	Sole

SEI INVESTMENTS CO

$5,729

0.03%

22,035

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI INVESTMENTS MANAGEMENT CORP	22,035	$5,729	100.0%	Sole

OPPENHEIMER & CO INC

$5,460

0.03%

21,000

PERKINS CAPITAL MANAGEMENT INC

$5,200

0.03%

20,000

UNITED CAPITAL FINANCIAL ADVISORS, LLC

$5,200

0.03%

20,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
United Capital Financial Partners, LLC	20,000	$5,200	100.0%	Defined

R Squared Ltd

$5,032

0.03%

19,354

Corient Private Wealth LLC

$4,829

0.03%

18,574

DIMENSIONAL FUND ADVISORS LP

$4,754

0.03%

18,291

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	843	$219	4.6%	Defined
Dimensional Ireland Ltd	8,675	$2,255	47.4%	Defined
Held directly	8,773	$2,280	48.0%	Sole

Teton Advisors, LLC

$4,680

0.03%

18,000

SG Americas Securities, LLC

$4,151

0.02%

15,966

Focus Partners Wealth

$4,126

0.02%

15,870

Integrated Wealth Concepts LLC

$3,909

0.02%

15,038

NorthCrest Asset Manangement, LLC

$3,708

0.02%

14,265

Associated Banc-Corp

$3,555

0.02%

13,675

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Associated Trust Company, National Association	13,675	$3,555	100.0%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$3,458

0.02%

13,300

Balyasny Asset Management L.P.

$3,381

0.02%

13,007

JANE STREET GROUP, LLC

$3,120

0.02%

12,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	12,000	$3,120	100.0%	Defined

Krilogy Financial LLC

$3,050

0.02%

11,734

ENVESTNET ASSET MANAGEMENT INC

$2,823

0.02%

10,861

Algorithmic Investment Models, LLC

$2,763

0.01%

10,630

Proficio Capital Partners LLC

$2,722

0.01%

10,470

MML INVESTORS SERVICES, LLC

$2,600

0.01%

10,000

SIMPLEX TRADING, LLC

$2,425

0.01%

9,329

Allworth Financial LP

$2,019

0.01%

7,769

Essential Partners LLC

$1,915

0.01%

7,369

Global Retirement Partners, LLC

$1,366

0.01%

5,255

EverSource Wealth Advisors, LLC

$1,243

0.01%

4,787

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	590	$153	12.3%	Sole
Held directly	4,197	$1,090	87.7%	Sole

Optiver Holding B.V.

$882

0.00%

3,393

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	3,393	$882	100.0%	Defined

True Wealth Design, LLC

$430

0.00%

1,657

FIFTH THIRD BANCORP

$414

0.00%

1,593

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fifth Third Bank, National Association	1,593	$414	100.0%	Defined

Crews Bank & Trust

$390

0.00%

1,500

Farther Finance Advisors, LLC

$387

0.00%

1,490

OSAIC HOLDINGS, INC.

$260

0.00%

1,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	1,000	$260	100.0%	Defined

Larson Financial Group LLC

$239

0.00%

920

Rockefeller Capital Management L.P.

$229

0.00%

882

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	882	$229	100.0%	Defined

ROTHSCHILD INVESTMENT LLC

$194

0.00%

748

Key facts CIK 1138723 CUSIP 004397105 13F (30d) 95 filings 94 filers Visit website Investor relations