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Ultra Clean Holdings, Inc.

UCTT
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001275014

In the last 90 days, Ultra Clean Holdings, Inc. insiders filed 0 open-market purchases and 1 sale; 438 institutions reported holding it in 13F filings for Q2 2026, worth $6.50B in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q4 2025

Institutional positions in Ultra Clean Holdings, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
238
−2 vs. Q3 2025
Shares held
42.5M
+525.9K (+1.3%) vs. Q3 2025
Total value
$1.08B
−$66.4M (−5.8%) vs. Q3 2025
New holders
29
81 more added
Sold out
31
85 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting UCTT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 238 institutions
Q1 2021: 240 institutionsQ2 2021: 263 institutionsQ3 2021: 239 institutionsQ4 2021: 275 institutionsQ1 2022: 264 institutionsQ2 2022: 235 institutionsQ3 2022: 213 institutionsQ4 2022: 221 institutionsQ1 2023: 204 institutionsQ2 2023: 200 institutionsQ3 2023: 205 institutionsQ4 2023: 195 institutionsQ1 2024: 204 institutionsQ2 2024: 217 institutionsQ3 2024: 250 institutionsQ4 2024: 233 institutionsQ1 2025: 228 institutionsQ2 2025: 231 institutionsQ3 2025: 242 institutionsQ4 2025: 238 institutionsQ1 2026: 331 institutionsQ2 2026: 438 institutions
Value heldQ4 2025: $1.08B
Q1 2021: $2.05BQ2 2021: $2.05BQ3 2021: $1.59BQ4 2021: $2.16BQ1 2022: $1.60BQ2 2022: $1.15BQ3 2022: $1.01BQ4 2022: $1.33BQ1 2023: $1.33BQ2 2023: $1.54BQ3 2023: $1.19BQ4 2023: $1.38BQ1 2024: $1.88BQ2 2024: $2.01BQ3 2024: $1.61BQ4 2024: $1.49BQ1 2025: $893.9MQ2 2025: $950.2MQ3 2025: $1.15BQ4 2025: $1.08BQ1 2026: $2.80BQ2 2026: $6.50B
Institutions holding UCTT and their total value by quarter
QuarterHoldersValue
Q2 2026438$6.50B
Q1 2026331$2.80B
Q4 2025238$1.08B
Q3 2025242$1.15B
Q2 2025231$950.2M
Q1 2025228$893.9M
Q4 2024233$1.49B
Q3 2024250$1.61B
Q2 2024217$2.01B
Q1 2024204$1.88B
Q4 2023195$1.38B
Q3 2023205$1.19B
Q2 2023200$1.54B
Q1 2023204$1.33B
Q4 2022221$1.33B
Q3 2022213$1.01B
Q2 2022235$1.15B
Q1 2022264$1.60B
Q4 2021275$2.16B
Q3 2021239$1.59B
Q2 2021263$2.05B
Q1 2021240$2.05B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Ultra Clean Holdings, Inc.; share changes are against Q3 2025.

Institutions holding UCTT in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Rhumbline Advisers126,457$3.20M0.00%−7,681−5.7%Reduced
Man Group plc132,741$3.36M0.01%+118,647+841.8%Added
4D Advisors, LLC135,000$3.42M1.87%+135,000New
AWM Investment Company, Inc.140,440$3.56M0.34%00.0%Unchanged
Public Sector Pension Investment Board157,177$3.98M0.01%−19,693−11.1%Reduced
Voloridge Investment Management, LLC165,565$4.19M0.01%−25,913−13.5%Reduced
Comerica Bank175,307$4.44M0.02%−1,573−0.9%Reduced
Qube Research & Technologies Ltd184,783$4.68M0.01%+72,167+64.1%Added
Principal Financial Group Inc216,312$5.48M0.00%−2,625−1.2%Reduced
AQR Capital Management LLC218,663$5.54M0.00%−18,401−7.8%Reduced
UBS Group AG232,445$5.89M0.00%−30,082−11.5%Reduced
Ameriprise Financial Inc265,532$6.73M0.00%−4,820−1.8%Reduced
Dana Investment Advisors, Inc.389,516$9.87M0.29%+34,166+9.6%Added
First Eagle Investment Management, LLC410,569$10.4M0.02%+8,000+2.0%Added
BNP Paribas Arbitrage, SA426,561$10.8M0.01%+31,856+8.1%Added
Driehaus Capital Management LLC453,630$11.5M0.08%+131,661+40.9%Added
Pinnacle Associates Ltd462,126$11.7M0.15%+68,450+17.4%Added
Northern Trust Corp463,260$11.7M0.00%−21,480−4.4%Reduced
JPMorgan Chase & Co512,490$13.0M0.00%−76,565−13.0%Reduced
Goodman Financial Corp558,019$14.1M2.68%+20,011+3.7%Added
Goldman Sachs Group Inc558,176$14.1M0.00%−851−0.2%Reduced
Millennium Management LLC559,955$14.2M0.01%+506,363+944.8%Added
Paradigm Capital Management Inc608,200$15.4M0.65%−50,000−7.6%Reduced
Oberweis Asset Management Inc628,500$15.9M0.58%+15,200+2.5%Added
Bank of New York Mellon Corp634,972$16.1M0.00%+3,504+0.6%Added
Charles Schwab Investment Management Inc821,088$20.8M0.00%+43,987+5.7%Added
Morgan Stanley894,423$22.7M0.00%+212,359+31.1%Added
Divisar Capital Management LLC949,328$24.0M6.76%−103,226−9.8%Reduced
D. E. Shaw & Co., Inc.952,154$24.1M0.02%+137,127+16.8%Added
Geode Capital Management, LLC1,089,429$27.6M0.00%−28,719−2.6%Reduced
Royce & Associates LP1,098,693$27.8M0.28%−8,723−0.8%Reduced
Shapiro Capital Management LLC1,278,492$32.4M1.71%−2,411,543−65.4%Reduced
Dimensional Fund Advisors LP1,524,857$38.6M0.01%−417,757−21.5%Reduced
State Street Corp1,852,482$46.9M0.00%+87,931+5.0%Added
Invesco Ltd.3,399,834$86.1M0.01%+1,315,407+63.1%Added
Frontier Capital Management Co LLC3,509,839$88.9M0.94%+476,569+15.7%Added
Vanguard Group Inc4,990,724$126.4M0.00%+293,048+6.2%Added
BlackRock, Inc.6,719,452$170.2M0.00%+10,772+0.2%Added
First Trust Advisors LP0$00.00%−93,907−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−52,130−100.0%Sold out
Andra AP-fonden0$00.00%−50,105−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−35,295−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−19,099−100.0%Sold out
Magnetar Financial LLC0$00.00%−15,120−100.0%Sold out
NJ State Employees Deferred Compensation Plan0$00.00%−15,000−100.0%Sold out
Pitcairn Co0$00.00%−13,608−100.0%Sold out
Squarepoint Ops LLC0$00.00%−12,872−100.0%Sold out
Clearstead Advisors, LLC0$00.00%−12,266−100.0%Sold out
DRW Securities, LLC0$00.00%−11,062−100.0%Sold out
Mariner, LLC0$00.00%−10,959−100.0%Sold out
Lodestar Private Asset Management LLC0$00.00%−9,750−100.0%Sold out
Aigen Investment Management, LP0$00.00%−8,977−100.0%Sold out
Bailard, Inc.0$00.00%−8,200−100.0%Sold out
Stoneridge Investment Partners LLC0$00.00%−7,994−100.0%Sold out
Pictet Asset Management Holding SA0$00.00%−7,814−100.0%Sold out
Intrust Bank NA0$00.00%−7,431−100.0%Sold out
Pension & Wealth Management Advisors, Inc.0$00.00%−4,759−100.0%Sold out
Johnson Financial Group, Inc.0$00.00%−2,965−100.0%Sold out
Wexford Capital LP0$00.00%−2,354−100.0%Sold out
Advisory Services Network, LLC0$00.00%−1,638−100.0%Sold out
Manchester Capital Management LLC0$00.00%−1,620−100.0%Sold out
National Bank of Canada0$00.00%−300−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−216−100.0%Sold out
MAI Capital Management0$00.00%−158−100.0%Sold out
Hollencrest Capital Management0$00.00%−130−100.0%Sold out
Principal Securities, Inc.0$00.00%−63−100.0%Sold out
Rise Advisors, LLC0$00.00%−46−100.0%Sold out
Atlantic Trust, LLC0$00.00%−15−100.0%Sold out
Bare Financial Services, Inc0$00.00%−15−100.0%Sold out
Cubist Systematic Strategies, LLC––––Not filed
Point72 (DIFC) Ltd––––Not filed