Ultra Clean Ownership | Who Owns Ultra Clean?

Overview Forecast RevenueFinancials Chart Transcripts

Ultra Clean Ownership Summary

Ultra Clean is owned by 103.34% institutional investors, 1.95% insiders. Blackrock is the largest institutional shareholder, holding 15.53% of UCTT shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.03% of its assets in Ultra Clean shares.

UCTT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Ultra Clean	103.34%	1.95%	-5.30%
Sector	Technology Stocks	78.17%	14.91%	6.92%
Idea	Semiconductor Stocks List	74.05%	7.18%	18.78%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	6.93M	15.53%	$339.38M
Blackrock funding, inc. /de	6.92M	15.28%	$986.72M
Vanguard group	4.99M	10.99%	$126.42M
Invesco	3.12M	6.90%	$445.57M
Capital world investors	2.58M	5.70%	$367.90M
Vanguard capital management	1.91M	4.21%	$272.21M
State street	1.80M	3.98%	$256.98M
Boston partners	1.36M	3.00%	$191.89M
Geode capital management	1.32M	2.91%	$187.91M
Driehaus capital management	1.31M	2.89%	$186.68M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Divisar capital management	155.65K	5.11%	$22.19M
Goodman financial	223.16K	4.92%	$31.82M
Redwood grove capital	101.46K	3.67%	$14.47M
Wealth high governance capital ltda	82.84K	3.53%	$11.81M
First sabrepoint capital management lp	70.00K	3.28%	$9.98M
Diker management	27.00K	2.96%	$3.85M
Newbrook capital advisors lp	127.88K	2.46%	$18.23M
Paradigm capital management inc/ny	608.20K	2.36%	$86.72M
Oberweis asset management inc/	647.28K	1.91%	$92.30M
Next century growth investors	220.12K	1.66%	$31.39M

Top Buyers

Holder	Shares	% Assets	Change
Capital world investors	2.58M	0.04%	2.58M
Invesco	3.12M	0.04%	1.46M
Sixth street partners management company	739.97K	0.01%	739.97K
Alliancebernstein	793.94K	0.02%	736.75K
Franklin resources	356.68K	0.01%	339.73K

Top Sellers

Holder	Shares	% Assets	Change
Shapiro capital management	-	-	-1.28M
Swedbank ab	-	-	-1.21M
Frontier capital management	667.53K	0.89%	-1.12M
Vaughan nelson investment management	-	-	-860.80K
Cooper creek partners management	-	-	-586.77K

New Positions

Holder	Shares	% Assets	Change	Value
Capital world investors	2.58M	0.04%	2.58M	$367.90M
Sixth street partners management company	739.97K	0.01%	739.97K	$105.51M
T. rowe price investment management	283.67K	0.03%	283.67K	$40.45M
Munro partners	183.55K	0.58%	183.55K	$26.17M
Newbrook capital advisors lp	127.88K	2.46%	127.88K	$18.23M

Sold Out

Holder	Change
Tfc financial management	-1.00
Tfo-tdc	-1.00
Mai capital management	-1.00
Claris advisors, llc / mo /	-1.00
Bay harbor wealth management	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	457	32.46%	46,814,944	3.98%	103	1.05%	244	16.19%	157	82.56%
Mar 31, 2026	198	-18.18%	25,082,697	-40.97%	55	0.63%	114	4.59%	51	-40.00%
Dec 31, 2025	161	-34.82%	27,463,818	-34.78%	60	0.70%	68	-42.86%	60	-24.05%
Sep 30, 2025	236	5.36%	41,432,867	3.87%	91	1.18%	115	-10.16%	78	27.87%
Jun 30, 2025	229	-0.43%	42,054,740	0.73%	93	1.09%	129	12.17%	65	-15.58%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	2.73M	6.03%	-2.08K
American Funds SMALLCAP World A	2.38M	5.31%	2.38M
Invesco Small Cap Value A	1.43M	3.17%	-
Vanguard US Total Market Shares ETF	1.38M	3.05%	1.16K
Vanguard Morn Total Stk Mkt Idx Investor	1.35M	3.01%	-20.14K
Vanguard Total Stock Mkt Idx Inv	1.35M	3.01%	-20.14K
Vanguard MStar Total Stk Mkt Idx Invest	1.36M	2.99%	4.63K
iShares Russell 2000 ETF	1.14M	2.52%	-20.26K
Vanguard Information Technology ETF	1.14M	2.51%	4.62K
Invesco Semiconductors ETF	869.55K	1.92%	17.20K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 02, 2026	HARDING BRIAN E	Chief Accounting Officer	Sell	$156.54K
Jul 02, 2026	HARDING BRIAN E	Chief Accounting Officer	Sell	$281.64K
Jul 02, 2026	HARDING BRIAN E	Chief Accounting Officer	Sell	$55.84K
Jun 04, 2026	Savage Sheri	CFO	Sell	$88.35K
Jun 04, 2026	Savage Sheri	CFO	Sell	$94.90K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	3
2026 Q2	-	82
2026 Q1	-	-
2025 Q4	-	1
2025 Q3	-	-

UCTT Ownership FAQ

Who owns the most shares of Ultra Clean?

Ultra Clean’s largest shareholders are Blackrock (6.93M shares, 15.53%), Blackrock funding, inc. /de (6.92M shares, 15.28%), and Vanguard group (4.99M shares, 10.99%). Together, they hold 41.80% of Ultra Clean’s total shares outstanding.

Does Blackrock own Ultra Clean?

Yes, BlackRock owns 15.53% of Ultra Clean, totaling 6.93M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 339.38M$. In the last quarter, BlackRock decreased its holdings by -219K shares, a -3.06% change.

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

Divisar capital management is Ultra Clean’s biggest shareholder by percentage of total assets invested, with 5.11% of its assets in 155.65K Ultra Clean shares, valued at 22.19M$.

Who is the top mutual fund holder of Ultra Clean shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Ultra Clean shares, with 6.03% of its total shares outstanding invested in 2.73M Ultra Clean shares.

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