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 Q4 2016?

121 institutional investors reported ARAY - ACCURAY INC - Common Stock for Q4 2016. Use the holders table for investor-level position and value details.

ACCURAY INC - Common Stock (ARAY)

CUSIP: 004397105

Q4 2016 13F Holders as of 31 Dec 2016

Type / Class: Equity / Common Stock
Shares outstanding: 113,422,534
Total 13F shares: 72,441,361
Share change: -3,245,812
Total reported value: $333,358,156
Put/Call ratio: 203%
Price per share: $4.60
Number of holders: 121
Value change: -$16,763,182
Number of buys: 46
Number of sells: 71

Quarterly Holders Quick Answers

What is CUSIP 004397105?
CUSIP 004397105 identifies ARAY - ACCURAY INC - Common Stock in SEC institutional holdings data.

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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2017
Previous quarter: Q3 2016

Recent filing periods for CUSIP 004397105:

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 by the holder's primary source 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
PRIMECAP MANAGEMENT CO/CA/	13F	Company	6.6%	7,493,600	$47,734,000	—	30 Sep 2016	13F
VANGUARD GROUP INC	13F	Company	5.2%	5,907,777	$37,633,000	—	30 Sep 2016	13F
Boston Partners	13F	Company	4%	4,571,390	$29,120,000	—	30 Sep 2016	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.8%	4,286,723	$27,306,000	—	30 Sep 2016	13F
PFM Health Sciences, LP	13F	Company	3.7%	4,220,273	$26,883,000	—	30 Sep 2016	13F
Neuberger Berman Group LLC	13F	Company	3.7%	4,173,052	$26,582,000	—	30 Sep 2016	13F
HEARTLAND ADVISORS INC	13F	Company	3.2%	3,672,510	$23,394,000	—	30 Sep 2016	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2.5%	2,884,587	$18,375,000	—	30 Sep 2016	13F
BlackRock Fund Advisors	13F	Company	2.3%	2,664,682	$16,974,000	—	30 Sep 2016	13F
ORACLE INVESTMENT MANAGEMENT INC	13F	Company	2.2%	2,482,718	$15,815,000	—	30 Sep 2016	13F
PEREGRINE CAPITAL MANAGEMENT LLC	13F	Company	2.1%	2,378,088	$15,148,000	—	30 Sep 2016	13F
Lapides Asset Management, LLC	13F	Company	1.9%	2,200,000	$14,014,000	—	30 Sep 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.9%	2,115,387	$13,475,000	—	30 Sep 2016	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.6%	1,866,844	$11,892,000	—	30 Sep 2016	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	1.6%	1,854,625	$11,814,000	—	30 Sep 2016	13F
ROYCE & ASSOCIATES LP	13F	Company	1.4%	1,618,877	$10,312,000	—	30 Sep 2016	13F
STATE STREET CORP	13F	Company	1.4%	1,547,515	$9,859,000	—	30 Sep 2016	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	1.2%	1,382,103	$8,804,000	—	30 Sep 2016	13F
D. E. Shaw & Co., Inc.	13F	Company	1.2%	1,306,930	$8,325,000	—	30 Sep 2016	13F
NORGES BANK	13F	Company	1.2%	1,362,339	$8,289,000	—	30 Sep 2016	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.1%	1,218,495	$7,762,000	—	30 Sep 2016	13F
Emerald Acquisition Ltd.	13F	Company	1%	1,143,808	$7,286,000	—	30 Sep 2016	13F
NORTHERN TRUST CORP	13F	Company	0.84%	947,201	$6,034,000	—	30 Sep 2016	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.69%	783,035	$4,988,000	—	30 Sep 2016	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.57%	647,419	$4,124,000	—	30 Sep 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.56%	630,444	$4,016,000	—	30 Sep 2016	13F
Bank of New York Mellon Corp	13F	Company	0.51%	578,638	$3,686,000	—	30 Sep 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.5%	568,224	$3,619,000	—	30 Sep 2016	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.44%	500,000	$3,185,000	—	30 Sep 2016	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.36%	406,189	$2,587,000	—	30 Sep 2016	13F
MENTA CAPITAL LLC	13F	Company	0.32%	367,323	$2,340,000	—	30 Sep 2016	13F
Vident Investment Advisory, LLC	13F	Company	0.3%	336,058	$2,141,000	—	30 Sep 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.28%	312,446	$1,990,000	—	30 Sep 2016	13F
Alambic Investment Management, L.P.	13F	Company	0.27%	309,659	$1,973,000	—	30 Sep 2016	13F
EVENTIDE ASSET MANAGEMENT, LLC	13F	Company	0.27%	306,200	$1,950,000	—	30 Sep 2016	13F
Spark Investment Management LLC	13F	Company	0.26%	297,300	$1,893,000	—	30 Sep 2016	13F
DEUTSCHE BANK AG\	13F	Company	0.24%	277,126	$1,764,000	—	30 Sep 2016	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.24%	272,877	$1,738,000	—	30 Sep 2016	13F
MORGAN STANLEY	13F	Company	0.23%	259,846	$1,655,000	—	30 Sep 2016	13F
CREDIT SUISSE AG/	13F	Company	0.23%	259,656	$1,654,000	—	30 Sep 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.22%	249,209	$1,587,000	—	30 Sep 2016	13F
Point72 Asset Management, L.P.	13F	Company	0.21%	234,100	$1,491,000	—	30 Sep 2016	13F
Asset Management One Co., Ltd.	13F	Company	0.21%	233,800	$1,489,000	—	30 Sep 2016	13F
Granahan Investment Management, LLC	13F	Company	0.2%	232,000	$1,478,000	—	30 Sep 2016	13F
UBS Group AG	13F	Company	0.2%	225,599	$1,437,000	—	30 Sep 2016	13F
MACQUARIE GROUP LTD	13F	Company	0.18%	208,384	$1,327,000	—	30 Sep 2016	13F
Piermont Capital Management Inc.	13F	Company	0.18%	199,122	$1,268,000	—	30 Sep 2016	13F
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC.	13F	Company	0.17%	193,151	$1,230,000	—	30 Sep 2016	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.15%	168,860	$1,076,000	—	30 Sep 2016	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.14%	158,554	$1,010,000	—	30 Sep 2016	13F

Institutional Holders of ACCURAY INC - Common Stock (ARAY) as of Q4 2016

As of 31 Dec 2016, ACCURAY INC - Common Stock (ARAY) was held by 121 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 72,441,361 shares. The largest 10 holders included VANGUARD GROUP INC, PRIMECAP MANAGEMENT CO/CA/, RENAISSANCE TECHNOLOGIES LLC, Boston Partners, Neuberger Berman Group LLC, HEARTLAND ADVISORS INC, Partner Fund Management, L.P., Sectoral Asset Management Inc, PRICE T ROWE ASSOCIATES INC /MD/, and BlackRock Fund Advisors. This page lists 121 institutional shareholders reporting positions in this security for the Q4 2016 filing period.

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

Compare Q4 2016 vs Q3 2016 Across Filers

Q3 2016 holders

127

Q4 2016 holders

121

Holder diff

-6

Investor	Q3 2016 Shares	Q4 2016 Shares	Share Diff	Share Chg %	Q3 2016 Value $	Q4 2016 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.