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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
Wealthedge Investment Advisors, LLC11,848$267.4K0.11%+11,848New
Clearstead Advisors, LLC12,239$276.2K0.00%+1,139+10.3%Added
Voya Investment Management LLC12,277$277.1K0.00%+111+0.9%Added
State Board of Administration of Florida Retirement System12,698$286.6K0.00%00.0%Unchanged
Amalgamated Bank12,878$291.0K0.00%00.0%Unchanged
Quantinno Capital Management LP12,993$293.3K0.00%+12,993New
Maryland State Retirement & Pension System13,139$296.5K0.01%00.0%Unchanged
Arizona State Retirement System13,152$296.8K0.00%+237+1.8%Added
Allspring Global Investments Holdings, LLC12,609$300.1K0.00%−7,817−38.3%Reduced
Aquatic Capital Management LLC13,400$302.4K0.01%−1,840−12.1%Reduced
Lodestar Private Asset Management LLC13,500$304.7K0.04%−1,757−11.5%Reduced
Headlands Technologies LLC13,929$314.4K0.04%+2,591+22.9%Added
Fuller & Thaler Asset Management, Inc.14,255$321.7K0.00%−3,270−18.7%Reduced
Stifel Financial Corp14,396$324.9K0.00%+877+6.5%Added
Handelsbanken Fonder AB14,400$325.0K0.00%00.0%Unchanged
Raymond James Financial Inc14,447$326.1K0.00%−64−0.4%Reduced
ProShare Advisors LLC14,663$330.9K0.00%−1,394−8.7%Reduced
NJ State Employees Deferred Compensation Plan15,000$338.6K0.04%00.0%Unchanged
Schonfeld Strategic Advisors LLC15,205$343.2K0.00%+15,205New
Teachers Retirement System of the State of Kentucky15,282$344.0K0.00%00.0%Unchanged
Ensign Peak Advisors, Inc15,806$356.7K0.00%−4,100−20.6%Reduced
Aigen Investment Management, LP16,000$361.1K0.05%+16,000New
Verition Fund Management LLC16,190$365.4K0.00%+16,190New
Pitcairn Co16,396$370.1K0.02%+523+3.3%Added
Yousif Capital Management, LLC16,841$380.1K0.00%00.0%Unchanged
CWM Advisors, LLC17,280$390.0K0.04%+17,280New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.17,647$398.3K0.00%+6,651+60.5%Added
Intech Investment Management LLC19,267$434.9K0.00%−10,244−34.7%Reduced
Marshall Wace, LLP19,728$445.3K0.00%+5,365+37.4%Added
Ellevest, Inc.19,868$448.4K0.07%+8,934+81.7%Added
Farther Finance Advisors, LLC20,259$457.2K0.01%+8,225+68.3%Added
STRS Ohio20,400$460.4K0.00%+1,400+7.4%Added
Louisiana State Employees Retirement System21,100$476.2K0.01%−100−0.5%Reduced
Legato Capital Management LLC21,315$481.1K0.06%00.0%Unchanged
Manufacturers Life Insurance Company, The21,698$489.7K0.00%+38+0.2%Added
Illinois Municipal Retirement Fund21,762$491.2K0.01%−877−3.9%Reduced
Ethic Inc.21,852$496.9K0.01%+7,086+48.0%Added
Dynamic Technology Lab Private Ltd22,704$512.0K0.07%+22,704New
Advisor Group Holdings, Inc.23,092$521.1K0.00%+17,495+312.6%Added
Creative Planning23,137$522.2K0.00%+958+4.3%Added
Janus Henderson Group PLC23,673$533.8K0.00%−131,482−84.7%Reduced
LPL Financial LLC24,427$551.3K0.00%+10,189+71.6%Added
Mirae Asset Global ETFs Holdings Ltd.24,479$552.5K0.00%−1,946−7.4%Reduced
Gabelli Funds LLC25,847$583.4K0.00%+25,847New
MetLife Investment Management26,200$591.3K0.00%00.0%Unchanged
Janney Montgomery Scott LLC26,706$603.0K0.00%+5,418+25.5%Added
State of Alaska, Department of Revenue26,870$605.0K0.01%+1,902+7.6%Added
Fox Run Management, L.L.C.27,926$630.3K0.11%+27,926New
New York State Teachers Retirement System30,069$679.0K0.00%−300−1.0%Reduced
Wells Fargo & Company30,932$698.1K0.00%+7,151+30.1%Added
Campbell & CO Investment Adviser LLC32,785$740.0K0.05%+32,785New
Thrivent Financial for Lutherans33,199$749.0K0.00%+102+0.3%Added
Engineers Gate Manager LP33,329$752.2K0.01%+23,644+244.1%Added
Pacific Ridge Capital Partners, LLC34,540$779.6K0.19%+14,660+73.7%Added
Needham Investment Management LLC35,000$790.0K0.06%+35,000New
New York State Common Retirement Fund36,225$817.6K0.00%00.0%Unchanged
Numerai GP LLC38,211$862.4K0.12%+38,211New
Price T Rowe Associates Inc38,296$865.0K0.00%−36,913−49.1%Reduced
California State Teachers Retirement System38,809$875.9K0.00%−3,237−7.7%Reduced
Quantbot Technologies LP39,663$895.2K0.02%+33,013+496.4%Added
Gsa Capital Partners LLP41,461$936.0K0.07%+41,461New
Romano Brothers and Company43,350$978.4K0.12%−600−1.4%Reduced
Teton Advisors, Inc.43,500$981.8K0.60%00.0%Unchanged
Envestnet Asset Management Inc44,727$1.01M0.00%+6,984+18.5%Added
Great West Life Assurance Co50,042$1.13M0.00%−2,876−5.4%Reduced
Andra AP-fonden50,105$1.13M0.02%00.0%Unchanged
CastleKnight Management LP55,100$1.24M0.08%+17,600+46.9%Added
Oppenheimer & Co Inc56,782$1.28M0.02%+8,234+17.0%Added
Lazard Asset Management LLC57,510$1.30M0.00%+48,615+546.5%Added
Alliancebernstein L.P.59,420$1.34M0.00%−35−0.1%Reduced
Man Group plc63,657$1.44M0.00%00.0%Unchanged
Susquehanna International Group, LLP72,618$1.64M0.00%−13,332−15.5%Reduced
Citadel Advisors LLC81,236$1.83M0.00%+42,550+110.0%Added
Pathstone Holdings, LLC81,352$1.84M0.01%−17,018−17.3%Reduced
Millennium Management LLC81,988$1.85M0.00%+63,966+354.9%Added
Bridge City Capital, LLC82,116$1.85M0.52%−1,157−1.4%Reduced
Swiss National Bank86,200$1.95M0.00%−1,100−1.3%Reduced
Assenagon Asset Management S.A.90,558$2.04M0.00%−71,924−44.3%Reduced
Citigroup Inc90,790$2.05M0.00%+19,589+27.5%Added
Tudor Investment Corp Et Al91,019$2.05M0.02%+54,270+147.7%Added
Coppell Advisory Solutions LLC93,993$2.14M0.26%+93,993New
First Trust Advisors LP97,161$2.19M0.00%+77,800+401.8%Added
Ameriprise Financial Inc100,112$2.26M0.00%−4,902−4.7%Reduced
State of Wisconsin Investment Board102,555$2.31M0.01%+30,508+42.3%Added
American Century Companies Inc105,962$2.39M0.00%+4,825+4.8%Added
Nuveen, LLC108,223$2.44M0.00%−213,745−66.4%Reduced
Deutsche Bank AG108,921$2.46M0.00%−5,013−4.4%Reduced
Bank of America Corp112,403$2.54M0.00%−12,682−10.1%Reduced
Grace & White Inc114,450$2.58M0.47%+55,750+95.0%Added
Legal & General Group Plc124,042$2.80M0.00%+1,555+1.3%Added
Qube Research & Technologies Ltd125,381$2.83M0.00%+44,585+55.2%Added
UBS Asset Management Americas Inc131,256$2.96M0.00%+46,162+54.2%Added
Rhumbline Advisers138,406$3.12M0.00%+12,308+9.8%Added
AWM Investment Company, Inc.140,440$3.17M0.36%−69,477−33.1%Reduced
Comerica Bank144,575$3.26M0.01%+67,356+87.2%Added
Public Sector Pension Investment Board153,895$3.47M0.01%+11,047+7.7%Added
Prudential Financial Inc154,523$3.49M0.00%−25,892−14.4%Reduced
Royal Bank of Canada174,561$3.94M0.00%+148,635+573.3%Added
Jane Street Group, LLC178,744$4.03M0.01%+30,530+20.6%Added
Cubist Systematic Strategies, LLC192,586$4.35M0.05%+192,586New