Ultra Clean Holdings UCTT Institutional Ownership

NASDAQ UCTT

$74.04 +2.91 (+4.09%)

As of: Sep 11, 2026 · 3:59 PM EDT

Institutions by Trading Activity

434 Institutions

Increased 239 55.1%

Unchanged 34 7.8%

Reduced 161 37.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

103.80%

▲+3.57 pp QoQ

Shares Held by Institutions

46.81Mn

of 45.10Mn outstanding

▲+6.58% QoQ

Shares Outstanding

45.10Mn

-1.71Mn held outside 13F filers

Institutional Investors

434

filed 13F for Jun 2026

▲+105 vs prior quarter

Net Shares Added (QoQ)

+2.89Mn

accumulated since last quarter

Value of Holdings

$3.39Bn

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

Ultra Clean Holdings, Inc. (NASDAQ:UCTT) has 434 institutional investors that have filed 13F reports for the period ending June 2026.

These investors held 103.8% of outstanding shares in June 2026, up from 100.2% in March 2026.
Their total shares held in UCTT increased 6.58% quarter over quarter, and separately, investors owning Ultra Clean Holdings increased 89.52% from a year ago.
During the quarter, 239 of these 434 funds increased positions in UCTT, 161 reduced exposure, and 34 held steady.
The aggregate institutional position in Ultra Clean Holdings amounted to 46.81Mn shares as of June 2026, up by 2.89Mn shares quarter on quarter, and up 4.78Mn shares year over year.
As of June 30, 2026, BlackRock, Inc. held the largest stake in Ultra Clean Holdings with 6.92Mn shares, accounting for 15.34% of total shares outstanding.
The largest buyers of Ultra Clean Holdings for the quarter ending June 2026 were Capital World Investors (2.58Mn), Invesco Ltd. (1.46Mn), Sixth Street Partners Management Company, L.P. (739.97K), ALLIANCEBERNSTEIN L.P. (736.75K), Franklin Resources Inc (339.73K).
Leading sellers of Ultra Clean Holdings shares for the quarter ending June 2026 were FRONTIER CAPITAL MANAGEMENT CO LLC (1.12Mn), SG Americas Securities, LLC (563.82K), D. E. Shaw & Co., Inc. (563.46K), First Eagle Investment Management, LLC (520.27K), Morgan Stanley (362.46K).
Per Business Quant data, the top 10 holders of Ultra Clean Holdings for the quarter ending June 2026 are BlackRock, Inc. (6.92Mn), Invesco Ltd. (3.12Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.76Mn), Capital World Investors (2.58Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.91Mn), State Street Corp (1.8Mn), Boston Partners (1.36Mn), GEODE CAPITAL MANAGEMENT, LLC (1.32Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (1.31Mn), DIMENSIONAL FUND ADVISORS LP (949.35K).

Form 13F Holdings

434 Institutional Holders

Report period 30 Jun, 2026

Total shares held 46.81Mn

Of outstanding 103.80%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	6,919,992	15.34%	▲87,373	+1.28%	$986.72Mn
2	Invesco Ltd.	0000914208	3,124,839	6.93%	▲1,464,890	+88.25%	$445.57Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,757,438	6.11%	▼44,812	-1.60%	$393.18Mn
4	Capital World Investors	0001422849	2,580,132	5.72%	▲2,580,132	0.00%	$367.90Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,909,026	4.23%	▼7,475	-0.39%	$272.21Mn
6	State Street Corp	0000093751	1,802,261	4.00%	▼35,563	-1.94%	$256.98Mn
7	Boston Partners	0001386060	1,360,211	3.02%	▼108,667	-7.40%	$191.89Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,317,631	2.92%	▲176,851	+15.50%	$187.91Mn
9	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	1,309,202	2.90%	▲246,826	+23.23%	$186.68Mn
10	DIMENSIONAL FUND ADVISORS LP	0000354204	949,354	2.10%	▼62,424	-6.17%	$135.33Mn
11	ALLIANCEBERNSTEIN L.P.	0001109448	793,936	1.76%	▲736,754	+1,288.44%	$49.37Mn
12	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	739,967	1.64%	▼100,489	-11.96%	$105.51Mn
12	Sixth Street Partners Management Company, L.P.	0001812095	739,967	1.64%	▲739,967	0.00%	$105.51Mn
13	FRONTIER CAPITAL MANAGEMENT CO LLC	0000351173	667,532	1.48%	▼1,119,919	-62.65%	$95.18Mn
14	ROYCE & ASSOCIATES LP	0000906304	666,496	1.48%	▼93,001	-12.25%	$95.04Mn
15	OBERWEIS ASSET MANAGEMENT INC/	0000937886	647,276	1.44%	▲6,800	+1.06%	$92.30Mn
16	NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	0000921739	624,028	1.38%	▲211,329	+51.21%	$88.98Mn
17	D. E. Shaw & Co., Inc.	0001009207	619,802	1.37%	▼563,455	-47.62%	$88.38Mn
18	TWO SIGMA INVESTMENTS, LP	0001179392	609,851	1.35%	▲28,720	+4.94%	$86.96Mn
19	PARADIGM CAPITAL MANAGEMENT INC/NY	0001037792	608,200	1.35%	0	0.00%	$86.72Mn

Showing 1 to 20 of 434 holders