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 2021?

132 institutional investors reported ARAY - ACCURAY INC - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

ACCURAY INC - Common Stock (ARAY)

CUSIP: 004397105

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 113,422,534
Total 13F shares: 69,139,124
Share change: +2,797,613
Total reported value: $341,987,324
Put/Call ratio: 78%
Price per share: $4.95
Number of holders: 132
Value change: +$14,275,160
Number of buys: 67
Number of sells: 51

Quarterly Holders Quick Answers

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

Need full ownership history?
Open the full security ownership history page.

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.
Back to full security ownership history.

Explore More Reporting Periods

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

Newer quarter: Q2 2021
Previous quarter: Q4 2020

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
BlackRock Finance, Inc.	13F	Company	6.7%	7,647,777	$31,890,000	—	31 Dec 2020	13F
Neuberger Berman Group LLC	13F	Company	4.9%	5,532,870	$22,984,000	—	31 Dec 2020	13F
Archon Capital Management LLC	13F	Company	4%	4,582,668	$19,110,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	4%	4,538,175	$18,925,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	3.6%	4,059,784	$16,929,000	—	31 Dec 2020	13F
HEARTLAND ADVISORS INC	13F	Company	3.1%	3,545,400	$14,784,000	—	31 Dec 2020	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	2.4%	2,724,700	$11,362,000	—	31 Dec 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	2.4%	2,709,675	$11,299,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.1%	2,325,763	$9,699,000	—	31 Dec 2020	13F
ROYCE & ASSOCIATES LP	13F	Company	1.7%	1,891,335	$7,887,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	1.7%	1,884,309	$7,858,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	1.6%	1,769,378	$7,378,000	—	31 Dec 2020	13F
Atle Fund Management AB	13F	Company	1.5%	1,650,000	$6,881,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.3%	1,486,763	$6,199,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.2%	1,389,600	$5,795,000	—	31 Dec 2020	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.1%	1,294,118	$5,395,000	—	31 Dec 2020	13F
JACOBS LEVY EQUITY MANAGEMENT, INC	13F	Company	0.98%	1,116,320	$4,655,000	—	31 Dec 2020	13F
Walthausen & Co., LLC	13F	Company	0.92%	1,048,970	$4,374,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.9%	1,023,065	$4,266,000	—	31 Dec 2020	13F
DAFNA Capital Management LLC	13F	Company	0.86%	974,400	$4,063,000	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.8%	906,205	$3,779,000	—	31 Dec 2020	13F
Lapides Asset Management, LLC	13F	Company	0.71%	804,200	$3,354,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.68%	775,228	$3,233,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.64%	727,974	$3,035,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.63%	715,763	$2,985,000	—	31 Dec 2020	13F
Kovack Advisors, Inc.	13F	Company	0.53%	604,150	$2,519,000	—	31 Dec 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.51%	583,013	$2,431,000	—	31 Dec 2020	13F
PANAGORA ASSET MANAGEMENT INC	13F	Company	0.42%	471,305	$1,965,000	—	31 Dec 2020	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.34%	387,474	$1,616,000	—	31 Dec 2020	13F
UBS Group AG	13F	Company	0.33%	374,561	$1,562,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.32%	362,194	$1,510,000	—	31 Dec 2020	13F
MARSHALL WACE, LLP	13F	Company	0.31%	355,611	$1,483,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.27%	303,343	$1,264,000	—	31 Dec 2020	13F
RICE HALL JAMES & ASSOCIATES, LLC	13F	Company	0.27%	300,814	$1,254,000	—	31 Dec 2020	13F
Informed Momentum Co LLC	13F	Company	0.25%	286,016	$1,193,000	—	31 Dec 2020	13F
Assenagon Asset Management S.A.	13F	Company	0.24%	270,052	$1,126,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.2%	231,529	$965,000	—	31 Dec 2020	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.2%	222,100	$926,000	—	31 Dec 2020	13F
Adirondack Research & Management Inc.	13F	Company	0.19%	220,248	$918,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.18%	202,431	$844,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.16%	178,386	$743,000	—	31 Dec 2020	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.16%	176,867	$738,000	—	31 Dec 2020	13F
Parallel Advisors, LLC	13F	Company	0.15%	174,701	$729,000	—	31 Dec 2020	13F
Cowen Prime Services LLC	13F	Company	0.15%	164,882	$688,000	—	31 Dec 2020	13F
AlphaCentric Advisors LLC	13F	Company	0.13%	150,000	$626,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.13%	143,126	$596,000	—	31 Dec 2020	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.12%	136,431	$569,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.12%	135,204	$564,000	—	31 Dec 2020	13F
GSA CAPITAL PARTNERS LLP	13F	Company	0.11%	128,976	$538,000	—	31 Dec 2020	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.11%	127,655	$532,000	—	31 Dec 2020	13F

Institutional Holders of ACCURAY INC - Common Stock (ARAY) as of Q1 2021

As of 31 Mar 2021, ACCURAY INC - Common Stock (ARAY) was held by 132 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 69,139,124 shares. The largest 10 holders included BlackRock Inc., Neuberger Berman Group LLC, VANGUARD GROUP INC, Archon Capital Management LLC, RENAISSANCE TECHNOLOGIES LLC, HEARTLAND ADVISORS INC, DIMENSIONAL FUND ADVISORS LP, D. E. Shaw & Co., Inc., HealthInvest Partners AB, and ROYCE & ASSOCIATES LP. This page lists 132 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

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

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

122

Q1 2021 holders

132

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 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.