Ultra Clean Holdings, Inc. (UCTT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

45,266,106Shares Outstanding

722,771Shares held by institutions

$40,186,068Value of institutional holdings

86.02%Institutional ownership %

-1.11%Shares Changed QoQ

220No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 220 institutions have reported a stake in Ultra Clean Holdings, Inc. (NASDAQ:UCTT) as of December 2025, according to recent 13F filings with the SEC.

The collective stake of institutional investors in Ultra Clean Holdings moved to 86.0% in December 2025, a shift down from the 93.0% reported for September 2025.
Quarterly data indicates a -1.11% shift in institutional share volume, and the annual owner count reflects a decrease of 4.35%.
Of these 220 institutional investors, 102 increased their holdings in Ultra Clean Holdings, while 79 of them reduced positions, and 39 investors maintained their exposure.
Collectively, institutional investors decreased their stake in Ultra Clean Holdings to 38.94Mn shares as of December 2025, a change that is down by 437.58K shares quarter on quarter and down 2.65Mn shares year over year.
As of December 31, 2025, BlackRock, Inc. held Ultra Clean Holdings's largest shareholding position with over 6.72Mn shares, representing 14.84% of total outstanding shares.
Among the most significant buyers of Ultra Clean Holdings during December 2025 were MILLENNIUM MANAGEMENT LLC (506.36K), FRONTIER CAPITAL MANAGEMENT CO LLC (476.57K), VANGUARD GROUP INC (293.05K), MORGAN STANLEY (212.36K), D. E. Shaw & Co., Inc. (137.13K).
Leading sellers of Ultra Clean Holdings stock in December 2025 included SHAPIRO CAPITAL MANAGEMENT LLC (2.41Mn), DIMENSIONAL FUND ADVISORS LP (417.76K), ROYAL BANK OF CANADA (184.86K), Divisar Capital Management LLC (103.23K), CITADEL ADVISORS LLC (90.07K).
The top 10 institutional holders of Ultra Clean Holdings for the quarter ending December 2025 included BlackRock, Inc. (6.72Mn), VANGUARD GROUP INC (4.99Mn), FRONTIER CAPITAL MANAGEMENT CO LLC (3.51Mn), STATE STREET CORP (1.85Mn), DIMENSIONAL FUND ADVISORS LP (1.52Mn), SHAPIRO CAPITAL MANAGEMENT LLC (1.28Mn), ROYCE & ASSOCIATES LP (1.10Mn), GEODE CAPITAL MANAGEMENT, LLC (1.09Mn), D. E. Shaw & Co., Inc. (952.15K), Divisar Capital Management LLC (949.33K).

220 Institutional Holders

722,771 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	6,719,452	10,772	0.16%	$170,203,720.00
VANGUARD GROUP INC	31 Dec, 2025	4,990,724	293,048	6.24%	$126,415,039.00
FRONTIER CAPITAL MANAGEMENT CO LLC	31 Dec, 2025	3,509,839	476,569	15.71%	$88,904,223.00
STATE STREET CORP	31 Dec, 2025	1,852,482	87,931	4.98%	$46,923,369.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	1,524,857	-417,757	-21.50%	$38,625,473.00
SHAPIRO CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,278,492	-2,411,543	-65.35%	$32,384,202.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	1,098,693	-8,723	-0.79%	$27,829,894.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,089,429	-28,719	-2.57%	$27,599,978.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	952,154	137,127	16.82%	$24,118,061.00
Divisar Capital Management LLC	31 Dec, 2025	949,328	-103,226	-9.81%	$24,046,478.00
MORGAN STANLEY	31 Dec, 2025	894,423	212,359	31.13%	$22,655,783.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	821,088	43,987	5.66%	$20,798,159.00
Bank of New York Mellon Corp	31 Dec, 2025	634,972	3,504	0.55%	$16,083,831.00
OBERWEIS ASSET MANAGEMENT INC/	31 Dec, 2025	628,500	15,200	2.48%	$15,919,905.00
PARADIGM CAPITAL MANAGEMENT INC/NY	31 Dec, 2025	608,200	-50,000	-7.60%	$15,405,706.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	559,955	506,363	944.85%	$14,183,660.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	558,176	-851	-0.15%	$14,138,598.00
Goodman Financial Corp	31 Dec, 2025	558,019	20,011	3.72%	$14,134,621.00
JPMORGAN CHASE & CO	31 Dec, 2025	512,490	-76,565	-13.00%	$12,981,371.00
NORTHERN TRUST CORP	31 Dec, 2025	463,260	-21,480	-4.43%	$11,734,377.00

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