Accuray ARAY Institutional Ownership

NASDAQ ARAY

$0.25 -0.01 (-3.74%)

As of: Sep 9, 2026 · 11:23 AM EDT

Institutions by Trading Activity

109 Institutions

Increased 59 54.1%

Unchanged 21 19.3%

Reduced 29 26.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

58.18%

▼-2.67 pp QoQ

Shares Held by Institutions

71.35Mn

of 122.64Mn outstanding

▲+5.89% QoQ

Shares Outstanding

122.64Mn

51.28Mn held outside 13F filers

Institutional Investors

109

filed 13F for Jun 2026

▼-16 vs prior quarter

Net Shares Added (QoQ)

+3.97Mn

accumulated since last quarter

Value of Holdings

$19.27Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Accuray Inc (NASDAQ:ARAY) showed up in the 13F filings of 109 institutional investors as of June 2026.

They owned 58.2% of outstanding stock in June 2026, down from 60.9% the prior quarter.
Their total shares held in ARAY increased 5.89% from the prior quarter, while the number of investors in Accuray decreased 12.8% year over year.
Of these 109 holders, 59 added to their stakes in Accuray, 29 trimmed positions, and 21 made no changes.
Combined, these investors held 71.35Mn shares in ARAY for June 2026, up by 3.97Mn shares quarter on quarter, and down 7.08Mn shares year over year.
TCW GROUP INC holds the largest position in ARAY at 18.94Mn shares as of June 30, 2026, or 15.45% of shares outstanding.
Leading buyers of Accuray shares for the quarter ending June 2026 were TCW GROUP INC (3.47Mn), JANE STREET GROUP, LLC (2.14Mn), AQR CAPITAL MANAGEMENT LLC (2.1Mn), MILLENNIUM MANAGEMENT LLC (1.59Mn), Squarepoint Ops LLC (901.16K).
The largest sellers of Accuray for the quarter ending June 2026 were BlackRock, Inc. (5.19Mn), State Street Corp (1.53Mn), GEODE CAPITAL MANAGEMENT, LLC (1.19Mn), Northern Trust Corp (453.49K), DIMENSIONAL FUND ADVISORS LP (276.61K).
Business Quant data shows the 10 biggest positions in Accuray as of June 2026 are held by TCW GROUP INC (18.94Mn), Neuberger Berman Group LLC (6.07Mn), ARMISTICE CAPITAL, LLC (5.74Mn), WEBER CAPITAL MANAGEMENT LLC /ADV (4.93Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.44Mn), BlackRock, Inc. (3.27Mn), AQR CAPITAL MANAGEMENT LLC (2.72Mn), JANE STREET GROUP, LLC (2.14Mn), RENAISSANCE TECHNOLOGIES LLC (2.07Mn), DAFNA Capital Management LLC (1.68Mn).

Form 13F Holdings

109 Institutional Holders

Report period 30 Jun, 2026

Total shares held 71.35Mn

Of outstanding 58.18%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	TCW GROUP INC	0000850401	18,942,059	15.45%	▲3,474,107	+22.46%	$4.08Mn
2	Neuberger Berman Group LLC	0001465109	6,073,663	4.95%	▲218,599	+3.73%	$1.57Mn
3	ARMISTICE CAPITAL, LLC	0001601086	5,736,000	4.68%	▲100,000	+1.77%	$1.48Mn
4	WEBER CAPITAL MANAGEMENT LLC /ADV	0001099905	4,932,706	4.02%	▼122,588	-2.42%	$1.27Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,437,800	3.62%	▲7,408	+0.17%	$1.14Mn
6	BlackRock, Inc.	0002012383	3,266,185	2.66%	▼5,192,224	-61.39%	$842.02K
7	AQR CAPITAL MANAGEMENT LLC	0001167557	2,719,032	2.22%	▲2,101,555	+340.35%	$700.97K
8	JANE STREET GROUP, LLC	0001595888	2,139,720	1.74%	▲2,139,720	0.00%	$551.62K
9	RENAISSANCE TECHNOLOGIES LLC	0001037389	2,065,284	1.68%	▼225,700	-9.85%	$532.43K
10	DAFNA Capital Management LLC	0001389933	1,680,508	1.37%	0	0.00%	$433.24K
11	UBS Group AG	0001610520	1,623,965	1.32%	▲222,199	+15.85%	$418.98K
12	MILLENNIUM MANAGEMENT LLC	0001273087	1,589,145	1.30%	▲1,589,145	0.00%	$409.68K
13	SILVERBACK ASSET MANAGEMENT LLC	0001278960	1,450,000	1.18%	▼200,000	-12.12%	$373.81K
14	Squarepoint Ops LLC	0001642575	1,448,234	1.18%	▲901,158	+164.72%	$373.36K
15	FMR LLC	0000315066	1,375,746	1.12%	▲86,958	+6.75%	$354.67K
16	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,189,377	0.97%	▼1,191,462	-50.04%	$306.73K
17	Kovack Advisors, Inc.	0001728321	1,050,896	0.86%	▲312,800	+42.38%	$272.71K
18	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	825,604	0.67%	▲791,827	+2,344.28%	$212.84K
19	Goldman Sachs Group Inc	0000886982	802,957	0.65%	▼58,678	-6.81%	$207.00K
20	VANGUARD FIDUCIARY TRUST CO	0000933478	685,262	0.56%	▼80,186	-10.48%	$176.80K

Showing 1 to 20 of 109 holders