Accuray Ownership | Who Owns Accuray?

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Accuray Ownership Summary

Accuray is owned by 57.42% institutional investors, 4.34% insiders, and 38.24% retail investors. Tcw group is the largest institutional shareholder, holding 15.24% 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	57.42%	4.34%	38.24%
Sector	Healthcare Stocks	50.49%	12.37%	37.14%
Industry	Medical Device Stocks	49.26%	12.51%	38.23%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Tcw group	18.94M	15.24%	$4.08M
Blackrock	8.23M	8.30%	$14.98M
Neuberger berman group	6.07M	4.89%	$1.57M
Vanguard group	5.82M	4.85%	$4.80M
Armistice capital	5.74M	4.61%	$1.48M
Vanguard capital management	4.44M	3.57%	$1.14M
Blackrock funding, inc. /de	3.27M	2.63%	$842.02K
Aqr capital management	2.72M	2.19%	$700.97K
Foundry partners	2.18M	2.18%	$4.32M
Jane street group	2.14M	1.72%	$551.62K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kent lake capital	1.00M	0.82%	$1.82M
Alphacentric advisors	350.00K	0.69%	$693.00K
Foundry partners	2.18M	0.22%	$4.32M
Dafna capital management	1.68M	0.08%	$433.24K
Silverberg bernstein capital management	658.91K	0.07%	$169.87K
Williams & novak	238.23K	0.04%	$61.42K
Silverback asset management	1.45M	0.04%	$373.81K
Teton advisors	43.50K	0.04%	$59.59K
Tcw group	18.94M	0.03%	$4.08M
State of wyoming	99.68K	0.03%	$197.36K

Top Buyers

Holder	Shares	% Assets	Change
Tcw group	18.94M	0.03%	3.47M
Jane street group	2.14M	-	2.14M
Aqr capital management	2.72M	0.00%	2.10M
Millennium management	1.59M	0.00%	1.59M
Kent lake capital	1.00M	0.82%	1.00M

Top Sellers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	3.27M	-	-5.19M
Acuitas investments	-	-	-2.39M
Mackenzie financial	-	-	-2.35M
Heartland advisors	-	-	-1.98M
Royce & associates lp	-	-	-1.88M

New Positions

Holder	Shares	% Assets	Change	Value
Kent lake capital	1.00M	0.82%	1.00M	$1.82M
Qube research	347.51K	0.00%	347.51K	$89.59K
Cubist systematic strategies	53.57K	0.00%	53.57K	$89.46K
Point72 asset management	47.55K	-	47.55K	$12.26K
Callan family office	42.39K	0.00%	42.39K	$10.93K

Sold Out

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

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	111	-11.20%	71,375,708	-5.65%	57	1.55%	61	-12.86%	29	-6.45%
Mar 31, 2026	124	-	75,647,929	-2.41%	63	1.51%	69	35.29%	31	-41.51%
Dec 31, 2025	81	-36.22%	44,419,507	-38.23%	37	0.82%	29	-57.35%	40	2.56%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	3.06M	2.98%	-
Vanguard Total Stock Mkt Idx Inv	3.12M	2.62%	-
Vanguard MStar Total Stk Mkt Idx Invest	3.12M	2.61%	-
Vanguard Morn Total Stk Mkt Idx Investor	3.12M	2.61%	-
Acuitas US Microcap Strategy	2.39M	2.00%	-
Neuberger Berman Intrinsic Value I	1.47M	1.43%	-
Heartland Value Strategy	1.52M	1.28%	1.52M
Neuberger Intrinsic Value I	1.41M	1.18%	-
Royce Small-Cap Opportunity Invmt	1.11M	1.11%	-645.86K
Fidelity Enhanced Small Cap Core ETF	1.29M	1.08%	4.95K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Feb 20, 2026	MAYER STEVEN F	-	Buy	$30.88K
Feb 19, 2026	MAYER STEVEN F	-	Buy	$36.60K
Feb 18, 2026	MAYER STEVEN F	-	Buy	$67.20K
Nov 19, 2025	La Neve Stephen R.	CEO	Buy	$19.41K
Jun 13, 2025	WHITTERS JOSEPH E	-	Buy	$62.34K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	-
2026 Q1	3	-
2025 Q4	1	-
2025 Q3	-	-
2025 Q2	1	-

ARAY Ownership FAQ

Who Owns Accuray?

Accuray shareholders are primarily institutional investors at 57.42%, followed by 4.34% insiders and 38.24% retail investors. The average institutional ownership in Accuray's industry, Medical Device Stocks, is 49.26%, which Accuray exceeds.

Who owns the most shares of Accuray?

Accuray’s largest shareholders are Tcw group (18.94M shares, 15.24%), Blackrock (8.23M shares, 8.30%), and Neuberger berman group (6.07M shares, 4.89%). Together, they hold 28.42% 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?

Kent lake capital is Accuray’s biggest shareholder by percentage of total assets invested, with 0.82% of its assets in 1M Accuray shares, valued at 1.82M$.

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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