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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 2025

Institutional positions in Ultra Clean Holdings, Inc. as of Sep 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
242
+13 vs. Q2 2025
Shares held
42.1M
+60.8K (+0.1%) vs. Q2 2025
Total value
$1.15B
+$198.3M (+20.9%) vs. Q2 2025
New holders
41
75 more added
Sold out
28
81 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 242 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 2025: $1.15B
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 2025

Shares, value and share of portfolio for each institution holding Ultra Clean Holdings, Inc.; share changes are against Q2 2025.

Institutions holding UCTT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,708,680$182.8M0.00%−76,168−1.1%Reduced
Vanguard Group Inc4,697,676$128.0M0.00%+67,520+1.5%Added
Shapiro Capital Management LLC3,690,035$100.6M4.36%−454,845−11.0%Reduced
Frontier Capital Management Co LLC3,033,270$82.7M0.74%+279,107+10.1%Added
Invesco Ltd.2,084,427$56.8M0.01%+170,851+8.9%Added
Dimensional Fund Advisors LP1,942,614$52.9M0.01%−197,343−9.2%Reduced
State Street Corp1,764,551$48.1M0.00%+27,249+1.6%Added
Geode Capital Management, LLC1,118,148$30.5M0.00%−4,760−0.4%Reduced
Royce & Associates LP1,107,416$30.2M0.30%+73,872+7.1%Added
Divisar Capital Management LLC1,052,554$28.7M7.80%−364,480−25.7%Reduced
D. E. Shaw & Co., Inc.815,027$22.2M0.02%−49,231−5.7%Reduced
Charles Schwab Investment Management Inc777,101$21.2M0.00%+39,847+5.4%Added
Morgan Stanley682,064$18.6M0.00%−88,474−11.5%Reduced
Paradigm Capital Management Inc658,200$17.9M0.78%−50,000−7.1%Reduced
Bank of New York Mellon Corp631,468$17.2M0.00%+179,133+39.6%Added
Oberweis Asset Management Inc613,300$16.7M0.64%00.0%Unchanged
JPMorgan Chase & Co589,055$16.1M0.00%+279,953+90.6%Added
Goldman Sachs Group Inc559,027$15.2M0.00%+356,934+176.6%Added
Goodman Financial Corp538,008$14.7M2.85%−3,821−0.7%Reduced
Northern Trust Corp484,740$13.2M0.00%+1,543+0.3%Added
First Eagle Investment Management, LLC402,569$11.0M0.02%+42,430+11.8%Added
BNP Paribas Arbitrage, SA394,705$10.8M0.01%+122,862+45.2%Added
Pinnacle Associates Ltd393,676$10.7M0.14%+140,822+55.7%Added
Dana Investment Advisors, Inc.355,350$9.68M0.28%−1,007−0.3%Reduced
Driehaus Capital Management LLC321,969$8.77M0.06%+321,969New
Ameriprise Financial Inc270,352$7.37M0.00%+170,240+170.0%Added
UBS Group AG262,527$7.15M0.00%−152,100−36.7%Reduced
AQR Capital Management LLC237,064$6.46M0.00%+34,815+17.2%Added
Principal Financial Group Inc218,937$5.97M0.00%−4,903−2.2%Reduced
Royal Bank of Canada197,825$5.39M0.00%+23,264+13.3%Added
Voloridge Investment Management, LLC191,478$5.22M0.02%−24,269−11.2%Reduced
Comerica Bank176,880$4.82M0.02%+32,305+22.3%Added
Public Sector Pension Investment Board176,870$4.82M0.02%+22,975+14.9%Added
Cubist Systematic Strategies, LLC147,967$4.03M0.06%−44,619−23.2%Reduced
AWM Investment Company, Inc.140,440$3.83M0.36%00.0%Unchanged
Rhumbline Advisers134,138$3.66M0.00%−4,268−3.1%Reduced
American Century Companies Inc127,015$3.46M0.00%+21,053+19.9%Added
Legal & General Group Plc121,821$3.32M0.00%−2,221−1.8%Reduced
Citadel Advisors LLC121,386$3.31M0.00%+40,150+49.4%Added
Wedge Capital Management L L P116,490$3.17M0.05%+116,490New
Grace & White Inc114,450$3.12M0.55%00.0%Unchanged
Qube Research & Technologies Ltd112,616$3.07M0.00%−12,765−10.2%Reduced
Harbor Capital Advisors, Inc.112,339$3.06M0.24%−338,264−75.1%Reduced
Canada Pension Plan Investment Board107,300$2.92M0.00%+107,300New
Deutsche Bank AG101,990$2.78M0.00%−6,931−6.4%Reduced
Bridge City Capital, LLC93,935$2.56M0.68%+11,819+14.4%Added
First Trust Advisors LP93,907$2.56M0.00%−3,254−3.3%Reduced
Nuveen, LLC93,404$2.55M0.00%−14,819−13.7%Reduced
Renaissance Technologies LLC89,500$2.44M0.00%−167,700−65.2%Reduced
Assenagon Asset Management S.A.89,220$2.43M0.00%−1,338−1.5%Reduced
UBS Asset Management Americas Inc87,782$2.39M0.00%−43,474−33.1%Reduced
Swiss National Bank87,500$2.38M0.00%+1,300+1.5%Added
Pathstone Holdings, LLC85,390$2.33M0.01%+4,038+5.0%Added
Engineers Gate Manager LP85,109$2.32M0.03%+51,780+155.4%Added
Bank of America Corp83,641$2.28M0.00%−28,762−25.6%Reduced
Jane Street Group, LLC70,881$1.93M0.00%−107,863−60.3%Reduced
State of Wisconsin Investment Board69,505$1.89M0.00%−33,050−32.2%Reduced
Russell Investments Group, Ltd.67,010$1.83M0.00%+59,750+823.0%Added
Barclays PLC63,076$1.72M0.00%−157,639−71.4%Reduced
Healthcare of Ontario Pension Plan Trust Fund60,000$1.64M0.00%+60,000New
Alliancebernstein L.P.59,392$1.62M0.00%−280.0%Reduced
Optimize Financial Inc56,535$1.54M0.80%+56,535New
Millennium Management LLC53,592$1.46M0.00%−28,396−34.6%Reduced
Oppenheimer & Co Inc52,901$1.44M0.02%−3,881−6.8%Reduced
Balyasny Asset Management LLC52,130$1.42M0.00%+52,130New
Andra AP-fonden50,105$1.37M0.02%00.0%Unchanged
Numerai GP LLC49,545$1.35M0.19%+11,334+29.7%Added
Great West Life Assurance Co50,042$1.34M0.00%00.0%Unchanged
Envestnet Asset Management Inc48,408$1.32M0.00%+3,681+8.2%Added
CastleKnight Management LP47,100$1.28M0.07%−8,000−14.5%Reduced
Romano Brothers and Company46,350$1.27M0.14%+3,000+6.9%Added
Prudential Financial Inc46,133$1.26M0.00%−108,390−70.1%Reduced
Needham Investment Management LLC45,000$1.23M0.09%+10,000+28.6%Added
Citigroup Inc44,186$1.20M0.00%−46,604−51.3%Reduced
Teton Advisors, LLC43,500$1.19M0.73%+43,500New
California State Teachers Retirement System41,591$1.13M0.00%+2,782+7.2%Added
Price T Rowe Associates Inc40,352$1.10M0.00%+2,056+5.4%Added
Wells Fargo & Company36,765$1.00M0.00%+5,833+18.9%Added
New York State Common Retirement Fund36,225$987.1K0.00%00.0%Unchanged
HRT Financial LP35,748$974.0K0.00%+24,466+216.9%Added
Y-Intercept (Hong Kong) Ltd35,295$961.8K0.02%+35,295New
Pacific Ridge Capital Partners, LLC34,540$941.2K0.21%00.0%Unchanged
Thrivent Financial for Lutherans32,713$891.0K0.00%−486−1.5%Reduced
New York State Teachers Retirement System30,069$819.0K0.00%00.0%Unchanged
Creative Planning28,998$790.2K0.00%+5,861+25.3%Added
Janney Montgomery Scott LLC28,496$777.0K0.00%+1,790+6.7%Added
Winton Group Ltd28,122$766.3K0.03%+28,122New
Jump Financial, LLC28,000$763.0K0.01%+28,000New
Allspring Global Investments Holdings, LLC24,807$728.3K0.00%+12,198+96.7%Added
MetLife Investment Management26,200$714.0K0.00%00.0%Unchanged
Gabelli Funds LLC25,847$704.3K0.00%00.0%Unchanged
LPL Financial LLC25,651$699.0K0.00%+1,224+5.0%Added
Headlands Technologies LLC25,013$681.6K0.05%+11,084+79.6%Added
State of Alaska, Department of Revenue24,693$672.0K0.01%−2,177−8.1%Reduced
Advisor Group Holdings, Inc.25,501$668.8K0.00%+2,409+10.4%Added
Janus Henderson Group PLC23,673$644.6K0.00%00.0%Unchanged
Illinois Municipal Retirement Fund23,069$628.6K0.01%+1,307+6.0%Added
Legato Capital Management LLC21,315$580.8K0.06%00.0%Unchanged
Louisiana State Employees Retirement System20,800$566.8K0.01%−300−1.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.20,754$565.5K0.00%−3,725−15.2%Reduced