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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, Q3 2021

Institutional positions in Ultra Clean Holdings, Inc. as of Sep 30, 2021. 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
239
−22 vs. Q2 2021
Shares held
37.4M
−887.7K (−2.3%) vs. Q2 2021
Total value
$1.59B
−$461.3M (−22.5%) vs. Q2 2021
New holders
28
80 more added
Sold out
50
96 more reduced

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 239 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 heldQ3 2021: $1.59B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Ultra Clean Holdings, Inc.; share changes are against Q2 2021.

Institutions holding UCTT in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.8,388,258$357.3M0.01%+19,286+0.2%Added
Vanguard Group Inc3,839,670$163.6M0.00%−96,720−2.5%Reduced
Swedbank AB2,646,609$112.7M0.21%+246,609+10.3%Added
Dimensional Fund Advisors LP1,888,251$80.4M0.03%−38,603−2.0%Reduced
State Street Corp1,434,760$61.1M0.00%+52,336+3.8%Added
Paradigm Capital Management Inc1,247,000$53.1M2.73%+1,000+0.1%Added
Nuveen Asset Management, LLC835,824$35.6M0.01%+119,242+16.6%Added
Boston Partners821,844$35.0M0.04%−10,346−1.2%Reduced
Geode Capital Management, LLC761,631$32.4M0.00%+20,856+2.8%Added
Royce & Associates LP753,066$32.1M0.24%−66,108−8.1%Reduced
Invesco Ltd.701,812$29.9M0.01%+115,128+19.6%Added
Divisar Capital Management LLC662,830$28.2M9.67%+160,499+32.0%Added
Vaughan Nelson Investment Management, L.P.577,005$24.6M0.25%+577,005New
Ameriprise Financial Inc563,095$24.0M0.01%−81,954−12.7%Reduced
Northern Trust Corp536,580$22.9M0.00%+2,831+0.5%Added
Driehaus Capital Management LLC528,669$22.5M0.27%−786,451−59.8%Reduced
Charles Schwab Investment Management Inc452,917$19.3M0.01%+36,497+8.8%Added
Bank of New York Mellon Corp437,655$18.6M0.00%−2,813−0.6%Reduced
Pinnacle Associates Ltd405,588$17.3M0.32%−14,840−3.5%Reduced
Foundry Partners, LLC376,208$16.0M0.58%+197,767+110.8%Added
Bank of Montreal335,906$14.2M0.01%+20,612+6.5%Added
Smith, Graham & Co., Investment Advisors, LP330,958$14.1M1.42%−28,550−7.9%Reduced
Principal Financial Group Inc314,450$13.4M0.01%+4,217+1.4%Added
LSV Asset Management310,009$13.2M0.02%−48,440−13.5%Reduced
Intrinsic Edge Capital Management LLC262,093$11.2M0.77%+262,093New
AWM Investment Company, Inc.246,627$10.5M1.03%+31,627+14.7%Added
JPMorgan Chase & Co236,982$10.1M0.00%+40,344+20.5%Added
Deutsche Bank AG231,807$9.88M0.00%−32,064−12.2%Reduced
Citadel Advisors LLC225,887$9.62M0.01%+113,509+101.0%Added
Morgan Stanley207,024$8.82M0.00%−30,709−12.9%Reduced
Rothschild & Co Asset Management US Inc.202,279$8.62M0.11%−28,354−12.3%Reduced
Prudential Financial Inc200,384$8.54M0.01%−214,071−51.7%Reduced
Voya Investment Management LLC187,105$7.97M0.02%−86,266−31.6%Reduced
Parametric Portfolio Associates LLC183,965$7.84M0.00%−24,470−11.7%Reduced
Renaissance Technologies LLC172,600$7.35M0.01%+125,400+265.7%Added
Victory Capital Management Inc170,701$7.27M0.01%−10,396−5.7%Reduced
G2 Investment Partners Management LLC167,000$7.11M1.23%−34,623−17.2%Reduced
Monarch Partners Asset Management LLC161,341$6.87M1.00%−10,967−6.4%Reduced
Schroder Investment Management Group159,486$6.79M0.01%−6,360−3.8%Reduced
ClariVest Asset Management LLC158,100$6.73M0.22%−9,638−5.7%Reduced
CapWealth Advisors, LLC142,494$6.07M0.66%+142,494New
Putnam Investments LLC142,191$6.06M0.01%+215+0.2%Added
SG Capital Management LLC132,788$5.66M2.41%+132,788New
Teton Advisors, Inc.116,390$4.96M0.72%−2,000−1.7%Reduced
Allianz Asset Management GmbH115,811$4.93M0.00%+66,096+132.9%Added
American Century Companies Inc109,019$4.64M0.00%+2,719+2.6%Added
Hood River Capital Management LLC108,096$4.61M0.14%−418,990−79.5%Reduced
Legal & General Group Plc105,705$4.50M0.00%+10,196+10.7%Added
First Trust Advisors LP104,658$4.46M0.00%+2,362+2.3%Added
Rhumbline Advisers101,696$4.33M0.01%−15,065−12.9%Reduced
Swiss National Bank96,700$4.12M0.00%+7,200+8.0%Added
Cardan Capital Partners, LLC91,232$3.89M0.44%+91,232New
Public Sector Pension Investment Board90,323$3.85M0.02%+820+0.9%Added
Oberweis Asset Management Inc89,480$3.81M0.79%+2,900+3.3%Added
Goldman Sachs Group Inc89,450$3.81M0.00%−74,477−45.4%Reduced
Voloridge Investment Management, LLC88,084$3.75M0.02%+80,582+1,074.1%Added
Wells Fargo & Company87,373$3.72M0.00%−19,714−18.4%Reduced
Natixis Advisors, L.P.73,188$3.12M0.01%+47,816+188.5%Added
Hennessy Advisors Inc69,000$2.94M0.18%−2,200−3.1%Reduced
Federated Hermes, Inc.68,653$2.92M0.01%−47,212−40.7%Reduced
John G Ullman & Associates Inc68,404$2.91M0.40%+68,404New
Barclays PLC68,227$2.91M0.00%+14,892+27.9%Added
Weiss Multi-Strategy Advisers LLC67,586$2.88M0.06%−52,414−43.7%Reduced
State of Wisconsin Investment Board60,779$2.59M0.01%−5,800−8.7%Reduced
California State Teachers Retirement System59,832$2.55M0.00%−105−0.2%Reduced
Alliancebernstein L.P.59,734$2.54M0.00%−2,280−3.7%Reduced
Squarepoint Ops LLC58,328$2.48M0.02%+58,328New
Ensign Peak Advisors, Inc54,200$2.31M0.00%00.0%Unchanged
AQR Capital Management LLC53,365$2.27M0.00%−2,964−5.3%Reduced
Fca Corp49,600$2.11M0.64%+787+1.6%Added
Two Sigma Investments, LP48,612$2.07M0.01%+3,304+7.3%Added
Janus Henderson Group PLC48,456$2.06M0.00%−5,604−10.4%Reduced
Assenagon Asset Management S.A.46,485$1.98M0.01%−7,149−13.3%Reduced
SEI Investments Co45,664$1.95M0.00%−25,241−35.6%Reduced
New York State Teachers Retirement System45,442$1.94M0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA44,409$1.89M0.00%+28,911+186.5%Added
Stifel Financial Corp42,247$1.80M0.00%+1,629+4.0%Added
Stanley-Laman Group, Ltd.41,901$1.78M0.23%+2,719+6.9%Added
Comerica Bank40,481$1.75M0.01%−22,540−35.8%Reduced
Dana Investment Advisors, Inc.40,679$1.73M0.08%+12,579+44.8%Added
Vident Investment Advisory, LLC40,624$1.73M0.05%−8,033−16.5%Reduced
Friess Associates LLC39,718$1.69M0.71%−5,007−11.2%Reduced
Macquarie Group Ltd38,942$1.66M0.00%00.0%Unchanged
Bank of America Corp38,769$1.65M0.00%−5,640−12.7%Reduced
Great West Life Assurance Co38,254$1.64M0.00%+858+2.3%Added
UBS Asset Management Americas Inc38,291$1.63M0.00%00.0%Unchanged
Susquehanna International Group, LLP38,192$1.63M0.00%−39,845−51.1%Reduced
Advisor Group Holdings, Inc.38,201$1.63M0.00%−427−1.1%Reduced
Susquehanna Fundamental Investments, LLC37,240$1.59M0.03%+5,595+17.7%Added
Tudor Investment Corp Et Al36,508$1.55M0.03%−22,099−37.7%Reduced
Thrivent Financial for Lutherans36,131$1.54M0.00%+325+0.9%Added
Wesbanco Bank Inc36,129$1.54M0.06%+6,287+21.1%Added
Herald Investment Management Ltd35,000$1.49M0.24%00.0%Unchanged
Two Sigma Advisers, LP33,900$1.44M0.00%−49,400−59.3%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys33,892$1.44M0.02%+279+0.8%Added
Texas Permanent School Fund33,066$1.41M0.02%+425+1.3%Added
State of Alaska, Department of Revenue32,609$1.39M0.01%+2,307+7.6%Added
Citigroup Inc32,575$1.39M0.00%−12,522−27.8%Reduced
Horizon Investment Services, LLC32,419$1.38M0.68%+1,050+3.3%Added
New York State Common Retirement Fund31,365$1.34M0.00%−5,873−15.8%Reduced