What does CUSIP 004397105 represent in this 13F holders report?

CUSIP 004397105 is the security identifier for ARAY - ACCURAY INC - Common Stock used to aggregate holder disclosures.

How many institutions held ARAY - ACCURAY INC - Common Stock in Q1 2019?

133 institutional investors reported ARAY - ACCURAY INC - Common Stock for Q1 2019. Use the holders table for investor-level position and value details.

ACCURAY INC - Common Stock (ARAY)

CUSIP: 004397105

Q1 2019 13F Holders as of 31 Mar 2019

Type / Class: Equity / Common Stock
Shares outstanding: 138,263,204
Total 13F shares: 72,475,112
Share change: +1,933,108
Total reported value: $345,688,015
Put/Call ratio: 31%
Price per share: $4.77
Number of holders: 133
Value change: +$14,277,418
Number of buys: 71
Number of sells: 59

Security key

004397105

Report period

Q1 2019

Institutions

133

Top holders

ARAY full security history Newer quarter: Q2 2019 Previous quarter: Q4 2018 ACCURAY INC SEC filings ACCURAY INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 004397105

Newer quarter: Q2 2019 Previous quarter: Q4 2018

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ARAY - ACCURAY INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	6%	8,292,581	$28,278,000	—	31 Dec 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	4%	5,507,123	$18,779,000	—	31 Dec 2018	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	3.4%	4,733,700	$16,142,000	—	31 Dec 2018	13F
Neuberger Berman Group LLC	13F	Company	3%	4,082,307	$13,922,000	—	31 Dec 2018	13F
VANGUARD GROUP INC	13F	Company	2.8%	3,854,257	$13,143,000	—	31 Dec 2018	13F
HEARTLAND ADVISORS INC	13F	Company	2.5%	3,444,312	$11,745,000	—	31 Dec 2018	13F
PFM Health Sciences, LP	13F	Company	2%	2,746,636	$9,366,000	—	31 Dec 2018	13F
STATE STREET CORP	13F	Company	1.7%	2,340,585	$7,981,000	—	31 Dec 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.7%	2,321,330	$7,916,000	—	31 Dec 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	1.5%	2,015,496	$6,873,000	—	31 Dec 2018	13F
Vident Investment Advisory, LLC	13F	Company	1.4%	1,891,654	$6,451,000	—	31 Dec 2018	13F
Mirae Asset Global Investments Co., Ltd.	13F	Company	1.3%	1,821,588	$6,212,000	—	31 Dec 2018	13F
ROYCE & ASSOCIATES LP	13F	Company	1.3%	1,814,312	$6,187,000	—	31 Dec 2018	13F
MARSHALL WACE, LLP	13F	Company	1.3%	1,736,839	$5,923,000	—	31 Dec 2018	13F
Legal & General Group Plc	13F	Company	1.1%	1,463,841	$4,992,000	—	31 Dec 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.91%	1,257,268	$4,287,000	—	31 Dec 2018	13F
NORTHERN TRUST CORP	13F	Company	0.76%	1,056,609	$3,604,000	—	31 Dec 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.72%	992,090	$3,382,000	—	31 Dec 2018	13F
Lapides Asset Management, LLC	13F	Company	0.71%	983,800	$3,355,000	—	31 Dec 2018	13F
Russell Investments Group, Ltd.	13F	Company	0.7%	967,538	$3,300,000	—	31 Dec 2018	13F
NORGES BANK	13F	Company	0.7%	963,891	$3,287,000	—	31 Dec 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.55%	764,176	$2,606,000	—	31 Dec 2018	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.54%	743,911	$2,537,000	—	31 Dec 2018	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.46%	634,802	$2,165,000	—	31 Dec 2018	13F
Bank of New York Mellon Corp	13F	Company	0.45%	620,721	$2,116,000	—	31 Dec 2018	13F
Boston Partners	13F	Company	0.44%	611,080	$2,084,000	—	31 Dec 2018	13F
Adirondack Research & Management Inc.	13F	Company	0.41%	561,634	$1,915,000	—	31 Dec 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.39%	538,614	$1,835,000	—	31 Dec 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.39%	535,925	$1,827,000	—	31 Dec 2018	13F
Assenagon Asset Management S.A.	13F	Company	0.37%	517,991	$1,766,000	—	31 Dec 2018	13F
UBS Group AG	13F	Company	0.37%	515,451	$1,758,000	—	31 Dec 2018	13F
PUTNAM INVESTMENTS LLC	13F	Company	0.37%	514,378	$1,754,000	—	31 Dec 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.35%	485,960	$1,657,000	—	31 Dec 2018	13F
FULLER & THALER ASSET MANAGEMENT, INC.	13F	Company	0.35%	477,750	$1,629,000	—	31 Dec 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.34%	464,467	$1,584,000	—	31 Dec 2018	13F
ALGERT GLOBAL LLC	13F	Company	0.33%	459,868	$1,568,000	—	31 Dec 2018	13F
Endurant Capital Management LP	13F	Company	0.33%	455,018	$1,552,000	—	31 Dec 2018	13F
Spark Investment Management LLC	13F	Company	0.32%	437,200	$1,490,000	—	31 Dec 2018	13F
JPMORGAN CHASE & CO	13F	Company	0.27%	380,032	$1,296,000	—	31 Dec 2018	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.27%	377,805	$1,288,000	—	31 Dec 2018	13F
MORGAN STANLEY	13F	Company	0.25%	346,725	$1,183,000	—	31 Dec 2018	13F
Alambic Investment Management, L.P.	13F	Company	0.24%	337,989	$1,153,000	—	31 Dec 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.2%	279,877	$954,000	—	31 Dec 2018	13F
SYSTEMATIC FINANCIAL MANAGEMENT LP	13F	Company	0.2%	276,120	$942,000	—	31 Dec 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.19%	268,167	$914,000	—	31 Dec 2018	13F
MACKAY SHIELDS LLC	13F	Company	0.15%	209,882	$715,000	—	31 Dec 2018	13F
Cowen Prime Services LLC	13F	Company	0.14%	194,686	$664,000	—	31 Dec 2018	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.14%	191,249	$652,000	—	31 Dec 2018	13F
Alberta Investment Management Corp	13F	Company	0.13%	175,900	$600,000	—	31 Dec 2018	13F
OSTRUM ASSET MANAGEMENT	13F	Company	0.11%	153,100	$522,000	—	31 Dec 2018	13F

Institutional Holders of ACCURAY INC - Common Stock (ARAY) as of Q1 2019

As of 31 Mar 2019, ACCURAY INC - Common Stock (ARAY) was held by 133 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 72,475,112 shares. The largest 10 holders included BlackRock Inc., RENAISSANCE TECHNOLOGIES LLC, VANGUARD GROUP INC, PRIMECAP MANAGEMENT CO/CA/, Neuberger Berman Group LLC, HEARTLAND ADVISORS INC, Archon Capital Management LLC, STATE STREET CORP, D. E. Shaw & Co., Inc., and DIMENSIONAL FUND ADVISORS LP. This page lists 133 institutional shareholders reporting positions in this security for the Q1 2019 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2019 vs Q4 2018 Across Filers

Q4 2018 holders

136

Q1 2019 holders

133

Holder diff

-3

Investor	Q4 2018 Shares	Q1 2019 Shares	Share Diff	Share Chg %	Q4 2018 Value $	Q1 2019 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.