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 2015?

133 institutional investors reported ARAY - ACCURAY INC - Common Stock for Q1 2015. Use the holders table for investor-level position and value details.

ACCURAY INC - Common Stock (ARAY)

CUSIP: 004397105

Q1 2015 13F Holders as of 31 Mar 2015

Type / Class: Equity / Common Stock
Shares outstanding: 113,422,534
Total 13F shares: 87,597,880
Share change: -1,314,448
Total reported value: $814,639,118
Put/Call ratio: 33%
Price per share: $9.30
Number of holders: 133
Value change: +$4,182,736
Number of buys: 68
Number of sells: 60

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: Q2 2015
Previous quarter: Q4 2014

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	7.6%	8,665,700	$65,426,000	—	31 Dec 2014	13F
FMR LLC	13F	Company	4.6%	5,232,300	$39,504,000	—	31 Dec 2014	13F
VANGUARD GROUP INC	13F	Company	4.1%	4,656,341	$35,155,000	—	31 Dec 2014	13F
KORNITZER CAPITAL MANAGEMENT INC /KS	13F	Company	4%	4,585,490	$34,620,000	—	31 Dec 2014	13F
BRIDGER MANAGEMENT, LLC	13F	Company	3.3%	3,787,260	$28,594,000	—	31 Dec 2014	13F
ORACLE INVESTMENT MANAGEMENT INC	13F	Company	3.2%	3,657,700	$27,616,000	—	31 Dec 2014	13F
JPMORGAN CHASE & CO	13F	Company	2.9%	3,251,652	$24,550,000	—	31 Dec 2014	13F
Boston Partners	13F	Company	2.7%	3,046,920	$23,004,000	—	31 Dec 2014	13F
Lapides Asset Management, LLC	13F	Company	2.4%	2,735,000	$20,649,000	—	31 Dec 2014	13F
BlackRock Fund Advisors	13F	Company	2.1%	2,427,905	$18,331,000	—	31 Dec 2014	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2%	2,274,013	$17,169,000	—	31 Dec 2014	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	2%	2,262,281	$17,080,000	—	31 Dec 2014	13F
CLOUGH CAPITAL PARTNERS L P	13F	Company	1.8%	2,080,600	$15,709,000	—	31 Dec 2014	13F
NORTH TIDE CAPITAL, LLC	13F	Company	1.8%	2,000,000	$15,100,000	—	31 Dec 2014	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	1.7%	1,953,209	$14,747,000	—	31 Dec 2014	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	1.6%	1,870,943	$14,126,000	—	31 Dec 2014	13F
ROYCE & ASSOCIATES LP	13F	Company	1.5%	1,713,000	$12,933,000	—	31 Dec 2014	13F
BLACKROCK ADVISORS LLC	13F	Company	1.4%	1,556,356	$11,750,000	—	31 Dec 2014	13F
Redmile Group, LLC	13F	Company	1.4%	1,535,475	$11,593,000	—	31 Dec 2014	13F
HEARTLAND ADVISORS INC	13F	Company	1.3%	1,500,000	$11,325,000	—	31 Dec 2014	13F
DECADE CAPITAL MANAGEMENT LLC	13F	Company	1.3%	1,466,131	$11,069,000	—	31 Dec 2014	13F
THB ASSET MANAGEMENT	13F	Company	1.3%	1,458,510	$11,011,000	—	31 Dec 2014	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	1.2%	1,325,000	$10,004,000	—	31 Dec 2014	13F
STATE STREET CORP	13F	Company	1.1%	1,288,761	$9,728,000	—	31 Dec 2014	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	1.1%	1,261,819	$9,527,000	—	31 Dec 2014	13F
Neuberger Berman Group LLC	13F	Company	1.1%	1,242,590	$9,381,000	—	31 Dec 2014	13F
D. E. Shaw & Co., Inc.	13F	Company	0.98%	1,116,740	$8,432,000	—	31 Dec 2014	13F
NORGES BANK	13F	Company	0.94%	1,062,339	$8,020,000	—	31 Dec 2014	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.88%	992,983	$7,497,000	—	31 Dec 2014	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.86%	979,806	$7,398,000	—	31 Dec 2014	13F
Elk Creek Partners, LLC	13F	Company	0.86%	974,663	$7,359,000	—	31 Dec 2014	13F
Point72 Asset Management, L.P.	13F	Company	0.84%	952,100	$7,188,000	—	31 Dec 2014	13F
NORTHERN TRUST CORP	13F	Company	0.76%	862,254	$6,510,000	—	31 Dec 2014	13F
PFM Health Sciences, LP	13F	Company	0.74%	834,285	$6,299,000	—	31 Dec 2014	13F
Tekla Capital Management LLC	13F	Company	0.65%	731,943	$5,526,000	—	31 Dec 2014	13F
Phocas Financial Corp.	13F	Company	0.63%	718,275	$5,423,000	—	31 Dec 2014	13F
Broadfin Capital, LLC	13F	Company	0.62%	700,000	$5,285,000	—	31 Dec 2014	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.6%	685,982	$5,179,000	—	31 Dec 2014	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.52%	591,269	$4,464,000	—	31 Dec 2014	13F
J. Goldman & Co LP	13F	Company	0.52%	589,200	$4,448,000	—	31 Dec 2014	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.47%	537,784	$4,061,000	—	31 Dec 2014	13F
Bank of New York Mellon Corp	13F	Company	0.43%	490,391	$3,703,000	—	31 Dec 2014	13F
WHV Investments, Inc.	13F	Company	0.42%	471,148	$3,557,000	—	31 Dec 2014	13F
CITADEL ADVISORS LLC	13F	Company	0.41%	470,588	$3,553,000	—	31 Dec 2014	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.38%	434,381	$3,279,000	—	31 Dec 2014	13F
Ghost Tree Capital, LLC	13F	Company	0.26%	300,000	$2,265,000	—	31 Dec 2014	13F
MORGAN STANLEY	13F	Company	0.26%	291,052	$2,198,000	—	31 Dec 2014	13F
Index Management Solutions, LLC	13F	Company	0.26%	289,473	$2,186,000	—	31 Dec 2014	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.24%	272,739	$2,059,000	—	31 Dec 2014	13F
APG Asset Management N.V.	13F	Company	0.23%	262,500	$1,982,000	—	31 Dec 2014	13F

Institutional Holders of ACCURAY INC - Common Stock (ARAY) as of Q1 2015

As of 31 Mar 2015, ACCURAY INC - Common Stock (ARAY) was held by 133 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 87,597,880 shares. The largest 10 holders included PRIMECAP MANAGEMENT CO/CA/, VANGUARD GROUP INC, KORNITZER CAPITAL MANAGEMENT INC /KS, BRIDGER MANAGEMENT, LLC, FMR LLC, ORACLE INVESTMENT MANAGEMENT INC, JPMORGAN CHASE & CO, WELLINGTON MANAGEMENT GROUP LLP, Partner Fund Management, L.P., and Boston Partners. This page lists 133 institutional shareholders reporting positions in this security for the Q1 2015 filing period.

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

Compare Q1 2015 vs Q4 2014 Across Filers

Q4 2014 holders

126

Q1 2015 holders

133

Holder diff

Investor	Q4 2014 Shares	Q1 2015 Shares	Share Diff	Share Chg %	Q4 2014 Value $	Q1 2015 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.