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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, Q2 2025

Institutional positions in Ultra Clean Holdings, Inc. as of Jun 30, 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
231
+5 vs. Q1 2025
Shares held
42.1M
+343.6K (+0.8%) vs. Q1 2025
Total value
$950.2M
+$56.6M (+6.3%) vs. Q1 2025
New holders
43
90 more added
Sold out
38
66 more reduced

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 231 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 heldQ2 2025: $950.2M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Ultra Clean Holdings, Inc.; share changes are against Q1 2025.

Institutions holding UCTT in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,784,848$153.1M0.00%−173,369−2.5%Reduced
Vanguard Group Inc4,630,156$104.5M0.00%−217,252−4.5%Reduced
Shapiro Capital Management LLC4,144,880$93.5M4.11%+61,476+1.5%Added
Frontier Capital Management Co LLC2,754,163$62.2M0.58%+808,277+41.5%Added
Dimensional Fund Advisors LP2,139,957$48.3M0.01%−122,562−5.4%Reduced
Invesco Ltd.1,913,576$43.2M0.01%+231,901+13.8%Added
State Street Corp1,737,302$39.2M0.00%−31,424−1.8%Reduced
Divisar Capital Management LLC1,417,034$32.0M7.40%+383,099+37.1%Added
Geode Capital Management, LLC1,122,908$25.3M0.00%+44,041+4.1%Added
Royce & Associates LP1,033,544$23.3M0.24%+141,791+15.9%Added
D. E. Shaw & Co., Inc.864,258$19.5M0.02%+308,540+55.5%Added
Morgan Stanley770,538$17.4M0.00%+234,122+43.6%Added
Charles Schwab Investment Management Inc737,254$16.6M0.00%+65,715+9.8%Added
Paradigm Capital Management Inc708,200$16.0M0.78%−50,000−6.6%Reduced
Oberweis Asset Management Inc613,300$13.8M0.60%00.0%Unchanged
Goodman Financial Corp541,829$12.2M2.46%+85,521+18.7%Added
Northern Trust Corp483,197$10.9M0.00%−30,075−5.9%Reduced
Bank of New York Mellon Corp452,335$10.2M0.00%+171,947+61.3%Added
Harbor Capital Advisors, Inc.450,603$10.2M0.43%+52,964+13.3%Added
UBS Group AG414,627$9.36M0.00%−192,880−31.7%Reduced
First Eagle Investment Management, LLC360,139$8.13M0.02%−45,300−11.2%Reduced
Dana Investment Advisors, Inc.356,357$8.04M0.27%+72,905+25.7%Added
JPMorgan Chase & Co309,102$6.98M0.00%−121,290−28.2%Reduced
BNP Paribas Arbitrage, SA271,843$6.14M0.00%+212,791+360.3%Added
Renaissance Technologies LLC257,200$5.81M0.01%+197,400+330.1%Added
Pinnacle Associates Ltd252,854$5.71M0.08%−81,456−24.4%Reduced
Principal Financial Group Inc223,840$5.05M0.00%−1,095−0.5%Reduced
Barclays PLC220,715$4.98M0.00%+18,636+9.2%Added
Voloridge Investment Management, LLC215,747$4.87M0.02%+215,747New
AQR Capital Management LLC202,249$4.56M0.00%+3,458+1.7%Added
Goldman Sachs Group Inc202,093$4.56M0.00%−30,595−13.1%Reduced
Cubist Systematic Strategies, LLC192,586$4.35M0.05%+192,586New
Jane Street Group, LLC178,744$4.03M0.01%+30,530+20.6%Added
Royal Bank of Canada174,561$3.94M0.00%+148,635+573.3%Added
Prudential Financial Inc154,523$3.49M0.00%−25,892−14.4%Reduced
Public Sector Pension Investment Board153,895$3.47M0.01%+11,047+7.7%Added
Comerica Bank144,575$3.26M0.01%+67,356+87.2%Added
AWM Investment Company, Inc.140,440$3.17M0.36%−69,477−33.1%Reduced
Rhumbline Advisers138,406$3.12M0.00%+12,308+9.8%Added
UBS Asset Management Americas Inc131,256$2.96M0.00%+46,162+54.2%Added
Qube Research & Technologies Ltd125,381$2.83M0.00%+44,585+55.2%Added
Legal & General Group Plc124,042$2.80M0.00%+1,555+1.3%Added
Grace & White Inc114,450$2.58M0.47%+55,750+95.0%Added
Bank of America Corp112,403$2.54M0.00%−12,682−10.1%Reduced
Deutsche Bank AG108,921$2.46M0.00%−5,013−4.4%Reduced
Nuveen, LLC108,223$2.44M0.00%−213,745−66.4%Reduced
American Century Companies Inc105,962$2.39M0.00%+4,825+4.8%Added
State of Wisconsin Investment Board102,555$2.31M0.01%+30,508+42.3%Added
Ameriprise Financial Inc100,112$2.26M0.00%−4,902−4.7%Reduced
First Trust Advisors LP97,161$2.19M0.00%+77,800+401.8%Added
Coppell Advisory Solutions LLC93,993$2.14M0.26%+93,993New
Tudor Investment Corp Et Al91,019$2.05M0.02%+54,270+147.7%Added
Citigroup Inc90,790$2.05M0.00%+19,589+27.5%Added
Assenagon Asset Management S.A.90,558$2.04M0.00%−71,924−44.3%Reduced
Swiss National Bank86,200$1.95M0.00%−1,100−1.3%Reduced
Bridge City Capital, LLC82,116$1.85M0.52%−1,157−1.4%Reduced
Millennium Management LLC81,988$1.85M0.00%+63,966+354.9%Added
Pathstone Holdings, LLC81,352$1.84M0.01%−17,018−17.3%Reduced
Citadel Advisors LLC81,236$1.83M0.00%+42,550+110.0%Added
Susquehanna International Group, LLP72,618$1.64M0.00%−13,332−15.5%Reduced
Man Group plc63,657$1.44M0.00%00.0%Unchanged
Alliancebernstein L.P.59,420$1.34M0.00%−35−0.1%Reduced
Lazard Asset Management LLC57,510$1.30M0.00%+48,615+546.5%Added
Oppenheimer & Co Inc56,782$1.28M0.02%+8,234+17.0%Added
CastleKnight Management LP55,100$1.24M0.08%+17,600+46.9%Added
Andra AP-fonden50,105$1.13M0.02%00.0%Unchanged
Great West Life Assurance Co50,042$1.13M0.00%−2,876−5.4%Reduced
Envestnet Asset Management Inc44,727$1.01M0.00%+6,984+18.5%Added
Teton Advisors, Inc.43,500$981.8K0.60%00.0%Unchanged
Romano Brothers and Company43,350$978.4K0.12%−600−1.4%Reduced
Gsa Capital Partners LLP41,461$936.0K0.07%+41,461New
Quantbot Technologies LP39,663$895.2K0.02%+33,013+496.4%Added
California State Teachers Retirement System38,809$875.9K0.00%−3,237−7.7%Reduced
Price T Rowe Associates Inc38,296$865.0K0.00%−36,913−49.1%Reduced
Numerai GP LLC38,211$862.4K0.12%+38,211New
New York State Common Retirement Fund36,225$817.6K0.00%00.0%Unchanged
Needham Investment Management LLC35,000$790.0K0.06%+35,000New
Pacific Ridge Capital Partners, LLC34,540$779.6K0.19%+14,660+73.7%Added
Engineers Gate Manager LP33,329$752.2K0.01%+23,644+244.1%Added
Thrivent Financial for Lutherans33,199$749.0K0.00%+102+0.3%Added
Campbell & CO Investment Adviser LLC32,785$740.0K0.05%+32,785New
Wells Fargo & Company30,932$698.1K0.00%+7,151+30.1%Added
New York State Teachers Retirement System30,069$679.0K0.00%−300−1.0%Reduced
Fox Run Management, L.L.C.27,926$630.3K0.11%+27,926New
State of Alaska, Department of Revenue26,870$605.0K0.01%+1,902+7.6%Added
Janney Montgomery Scott LLC26,706$603.0K0.00%+5,418+25.5%Added
MetLife Investment Management26,200$591.3K0.00%00.0%Unchanged
Gabelli Funds LLC25,847$583.4K0.00%+25,847New
Mirae Asset Global ETFs Holdings Ltd.24,479$552.5K0.00%−1,946−7.4%Reduced
LPL Financial LLC24,427$551.3K0.00%+10,189+71.6%Added
Janus Henderson Group PLC23,673$533.8K0.00%−131,482−84.7%Reduced
Creative Planning23,137$522.2K0.00%+958+4.3%Added
Advisor Group Holdings, Inc.23,092$521.1K0.00%+17,495+312.6%Added
Dynamic Technology Lab Private Ltd22,704$512.0K0.07%+22,704New
Ethic Inc.21,852$496.9K0.01%+7,086+48.0%Added
Illinois Municipal Retirement Fund21,762$491.2K0.01%−877−3.9%Reduced
Manufacturers Life Insurance Company, The21,698$489.7K0.00%+38+0.2%Added
Legato Capital Management LLC21,315$481.1K0.06%00.0%Unchanged
Louisiana State Employees Retirement System21,100$476.2K0.01%−100−0.5%Reduced
STRS Ohio20,400$460.4K0.00%+1,400+7.4%Added