Accuray Ownership | Who Owns Accuray?

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Accuray Ownership Summary

Accuray is owned by 63.77% institutional investors, 3.33% insiders, and 32.90% retail investors. Tcw group is the largest institutional shareholder, holding 11.16% of ARAY shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.98% of its assets in Accuray shares.

ARAY Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Accuray	63.77%	3.33%	32.90%
Sector	Healthcare Stocks	42.03%	10.80%	47.17%
Industry	Medical Device Stocks	37.80%	10.03%	52.17%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Tcw group	11.91M	11.16%	$1.05M
Blackrock	8.23M	8.30%	$14.98M
Blackrock funding, inc. /de	8.77M	8.22%	$14.64M
Vanguard group	5.48M	5.13%	$9.15M
Neuberger berman group	5.28M	4.95%	$8.81M
Heartland advisors	5.00M	4.68%	$8.34M
Armistice capital	3.32M	3.12%	$5.55M
Geode capital management	2.49M	2.33%	$4.16M
Renaissance	2.48M	2.33%	$4.15M
Acuitas investments	2.39M	2.24%	$3.99M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Acuitas investments	2.39M	2.56%	$3.99M
Kent lake capital	1.00M	0.82%	$1.82M
Alphacentric advisors	350.00K	0.69%	$693.00K
Silverberg bernstein capital management	633.25K	0.64%	$1.06M
Dafna capital management	1.22M	0.50%	$2.04M
Heartland advisors	5.00M	0.44%	$8.34M
Foundry partners	2.18M	0.22%	$4.32M
Silverback asset management	1.07M	0.17%	$1.78M
Kovack advisors	1.03M	0.16%	$1.71M
North star investment management	1.16M	0.12%	$1.94M

Top Buyers

Holder	Shares	% Assets	Change
Kent lake capital	1.00M	0.82%	1.00M
Acuitas investments	2.39M	2.56%	966.10K
Nuveen	1.10M	0.00%	671.46K
Assenagon asset management	493.73K	0.00%	328.73K
Two sigma investments, lp	263.85K	0.00%	263.85K

Top Sellers

Holder	Shares	% Assets	Change
Royce & associates lp	-	-	-1.88M
Harbert fund advisors	-	-	-1.45M
Ubs group	373.83K	0.00%	-1.41M
First eagle investment management	-	-	-969.51K
Wellington management group llp	-	-	-884.08K

New Positions

Holder	Shares	% Assets	Change	Value
Kent lake capital	1.00M	0.82%	1.00M	$1.82M
Gsa capital partners llp	80.70K	0.01%	80.70K	$135.00K
Cubist systematic strategies	53.57K	0.00%	53.57K	$89.46K
Graham capital management	39.57K	0.00%	39.57K	$66.08K
Public employees retirement system of ohio	21.10K	0.00%	21.10K	$35.24K

Sold Out

Holder	Change
Total investment management	-1.00
Oarsman capital	-32.00
Newedge advisors	-100.00
Assetmark	-100.00
Innealta capital	-117.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	121	2.54%	68,047,651	-2.52%	63	1.38%	63	16.67%	38	-5.00%
Jun 30, 2025	124	-3.88%	73,112,449	27.71%	71	2.30%	57	-3.39%	41	-6.82%
Mar 31, 2025	7	-94.81%	1,897,699	-96.54%	1	0.06%	5	-91.80%	-	-100.00%
Dec 31, 2024	134	4.69%	54,785,485	-0.88%	54	1.78%	60	-3.23%	40	21.21%
Sep 30, 2024	128	9.40%	55,273,478	-2.25%	55	1.70%	62	5.08%	33	-10.81%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	3.06M	2.98%	-
Vanguard Total Stock Mkt Idx Inv	2.92M	2.83%	-64.36K
Heartland Value Investor	2.50M	2.43%	-
iShares Russell 2000 ETF	2.43M	2.16%	-
Neuberger Berman Intrinsic Value I	1.47M	1.43%	-
Royce Small-Cap Opportunity Invmt	1.11M	1.11%	-645.86K
Vanguard Institutional Extnd Mkt Idx Tr	1.08M	1.05%	-435.21K
Fidelity Small Cap Index	1.00M	0.89%	33.03K
North Star Micro Cap I	830.00K	0.81%	-
Kennedy Extended Small Cap	723.44K	0.72%	-41.49K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 19, 2025	La Neve Stephen R.	CEO	Buy	$19.41K
Jun 13, 2025	WHITTERS JOSEPH E	-	Buy	$62.34K
Sep 04, 2024	Pervaiz Ali	SVP Chief Financial Officer	Sell	$17.28K
Dec 01, 2023	Chalke Sandeep	SVP, Chief Commercial Officer	Sell	$45.61K
Jun 04, 2024	Pervaiz Ali	SVP Chief Financial Officer	Sell	$4.60K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	1	-
2025 Q3	-	-
2025 Q2	1	-
2025 Q1	-	-
2024 Q4	-	-

ARAY Ownership FAQ

Who Owns Accuray?

Accuray shareholders are primarily institutional investors at 63.77%, followed by 3.33% insiders and 32.90% retail investors. The average institutional ownership in Accuray's industry, Medical Device Stocks, is 37.80%, which Accuray exceeds.

Who owns the most shares of Accuray?

Accuray’s largest shareholders are Tcw group (11.91M shares, 11.16%), Blackrock (8.23M shares, 8.30%), and Blackrock funding, inc. /de (8.77M shares, 8.22%). Together, they hold 27.68% of Accuray’s total shares outstanding.

Does Blackrock own Accuray?

Yes, BlackRock owns 8.30% of Accuray, totaling 8.23M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 14.98M$. In the last quarter, BlackRock increased its holdings by 141.58K shares, a 1.75% change.

Who is Accuray’s biggest shareholder by percentage of total assets invested?

Acuitas investments is Accuray’s biggest shareholder by percentage of total assets invested, with 2.56% of its assets in 2.39M Accuray shares, valued at 3.99M$.

Who is the top mutual fund holder of Accuray shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Accuray shares, with 2.98% of its total shares outstanding invested in 3.06M Accuray shares.

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