Accuray Inc (ARAY) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

4,033,767Shares held by institutions

$1,371,884Value of institutional holdings

76.32%Institutional ownership %

41.44%Shares Changed QoQ

124No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Accuray Inc (NASDAQ:ARAY) showed up in the 13F filings of 121 institutional investors as of December 2025.

Collectively, these holders controlled 64.1% of Accuray's outstanding shares in December 2025, up from 62.9% in September 2025.
They increased total shares held in Accuray by 11.75% from last quarter, and the number of investors in ARAY decreased 8.33% annually.
Among the 121 funds, 51 bought more Accuray shares, 52 sold down, and 18 held their ground.
The aggregate institutional position in Accuray amounted to 77.49Mn shares as of December 2025, up by 8.15Mn shares quarter on quarter, and up 21.38Mn shares year over year.
As of December 31, 2025, TCW GROUP INC held the largest stake in Accuray with 15.47Mn shares, accounting for 12.79% of total shares outstanding.
The biggest buyers of Accuray for the quarter ending December 2025 included WEBER CAPITAL MANAGEMENT LLC /ADV (5.06Mn), TCW GROUP INC (3.56Mn), ARMISTICE CAPITAL, LLC (1.18Mn), Kovack Advisors, Inc. (880.28K), MACKENZIE FINANCIAL CORP (831.22K).
The largest sales of ARAY for the quarter ending December 2025 came from HEARTLAND ADVISORS INC (1.67Mn), Nuveen, LLC (810.48K), TENOR CAPITAL MANAGEMENT Co., L.P. (500.0K), North Star Investment Management Corp. (478.0K), MARSHALL WACE, LLP (470.27K).
Accuray's 10 largest shareholders as of December 2025 include TCW GROUP INC (15.47Mn), BlackRock, Inc. (8.55Mn), VANGUARD GROUP INC (5.82Mn), WEBER CAPITAL MANAGEMENT LLC /ADV (5.06Mn), Neuberger Berman Group LLC (4.97Mn), ARMISTICE CAPITAL, LLC (4.5Mn), HEARTLAND ADVISORS INC (3.33Mn), GEODE CAPITAL MANAGEMENT, LLC (2.48Mn), RENAISSANCE TECHNOLOGIES LLC (2.45Mn), State Street Corp (2.0Mn) per Business Quant data.

121 Institutional Holders

4,033,767 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-220,172	-2.51%	$0.00
TCW GROUP INC	31 Dec, 2025	3,558,595	29.88%	$0.00
Kovack Advisors, Inc.	31 Dec, 2025	880,275	85.81%	$0.00
Barclays Plc	31 Dec, 2025	-201,175	-38.51%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	341,899	6.24%	$0.00
Silverberg Bernstein Capital Management LLC	31 Dec, 2025	15,300	2.42%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	111,442	100.00%	$0.00
WEBER CAPITAL MANAGEMENT LLC /ADV	31 Dec, 2025	5,055,294	0.00%	$0.00
UBS Group AG	31 Dec, 2025	-8,347	-2.23%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	2,892	0.00%	$0.00
Neuberger Berman Group LLC	31 Dec, 2025	-316,678	-5.99%	$0.00
Schonfeld Strategic Advisors LLC	31 Dec, 2025	294,720	0.00%	$0.00
ARMISTICE CAPITAL, LLC	31 Dec, 2025	1,176,000	35.38%	$0.00
Nuveen, LLC	31 Dec, 2025	-810,480	-73.40%	$0.00
HEARTLAND ADVISORS INC	31 Dec, 2025	-1,668,193	-33.39%	$0.00
Williams & Novak, LLC	31 Dec, 2025	41,425	53.50%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-14,053	-0.56%	$0.00
Centiva Capital, LP	31 Dec, 2025	60,695	0.00%	$0.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	-31,677	-1.28%	$0.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	-1,180	-2.50%	$0.00

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