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Disclosery

UCTT ULTRA CLEAN HLDGS INC

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Stock (common), issuer CIK 1275014

237 managers (238 13F filers) reported a position in UCTT shares at 2025-12-31, 42,489,548 shares in all. 23 filers opened a position and 31 filers sold out during the quarter.

Managers
237
13F filers
238
New
23
Added
81
Reduced
85
Sold out
31
Shares held by filers
42,489,548

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.6,719,452$170M<0.01%+10,77213F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC4,990,724$126M<0.01%+293,04813F-HRTimelineGroup
FRONTIER CAPITAL MANAGEMENT CO LLC3,509,839$88.9M0.94%+476,56913F-HRTimeline
Invesco Ltd.in group Invesco Ltd.3,399,834$86.1M0.01%+1,315,40713F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,852,482$46.9M<0.01%+87,93113F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,524,857$38.6M0.01%-417,75713F-HRTimelineGroup
SHAPIRO CAPITAL MANAGEMENT LLC1,278,492$32.4M1.71%-2,411,54313F-HRTimeline
ROYCE & ASSOCIATES LP1,098,693$27.8M0.28%-8,72313F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,089,429$27.6M<0.01%-28,71913F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.952,154$24.1M0.02%+137,12713F-HRTimelineGroup
Divisar Capital Management LLC949,328$24M6.76%-103,22613F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY894,423$22.7M<0.01%+212,35913F-HR/ATimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co821,088$20.8M<0.01%+43,98713F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp634,972$16.1M<0.01%+3,50413F-HRTimelineGroup
OBERWEIS ASSET MANAGEMENT INC/628,500$15.9M0.58%+15,20013F-HRTimeline
PARADIGM CAPITAL MANAGEMENT INC/NY608,200$15.4M0.65%-50,00013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC559,955$14.2M0.01%+506,36313F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC558,176$14.1M<0.01%-85113F-HR/ATimelineGroup
Goodman Financial Corp558,019$14.1M2.68%+20,01113F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO512,490$13M<0.01%-76,56513F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP463,260$11.7M<0.01%-21,48013F-HRTimelineGroup
PINNACLE ASSOCIATES LTD462,126$11.7M0.15%+68,45013F-HRTimeline
Driehaus Capital Management LLC453,630$11.5M0.08%+131,66113F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS426,561$10.8M0.01%+31,85613F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…410,569$10.4M0.02%+8,00013F-HRTimelineGroup
Dana Investment Advisors, Inc.389,516$9.87M0.29%+34,16613F-HRTimeline
UBS Group AGgroup of 2 filers holding321,882$8.15M-28,427Timeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC265,532$6.73M<0.01%-4,82013F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC218,663$5.54M<0.01%-18,40113F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding216,312$5.48M-2,688Timeline
Qube Research & Technologies Ltd184,783$4.68M0.01%+72,16713F-HRTimeline
COMERICA BANK175,307$4.44M0.02%-1,57313F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC165,565$4.19M0.01%-25,91313F-HRTimeline
Public Sector Pension Investment Board157,177$3.98M0.01%-19,69313F-HRTimeline
AWM Investment Company, Inc.140,440$3.56M0.34%013F-HRTimeline
4D Advisors, LLC135,000$3.42M1.87%new13F-HRTimeline
Man Group plcin group Man Group plc132,741$3.36M0.01%+118,64713F-HRTimelineGroup
RHUMBLINE ADVISERS126,457$3.2M<0.01%-7,68113F-HRTimeline
SG Americas Securities, LLC126,043$3.19M<0.01%+113,47513F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD123,800$3.14M<0.01%+16,50013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC119,236$3.02M<0.01%-7,77913F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc114,703$2.91M<0.01%-7,11813F-HRTimelineGroup
GRACE & WHITE INC /NY114,450$2.9M0.52%013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP113,476$2.87M<0.01%+95,09113F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC111,441$2.82M0.05%-5,04913F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC106,400$2.7M<0.01%+16,90013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC101,554$2.57M<0.01%+30,67313F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\91,595$2.32M<0.01%-10,39513F-HRTimelineGroup
Nuveen, LLCin group TIAA90,189$2.28M<0.01%-3,21513F-HRTimelineGroup
Swiss National Bank89,400$2.26M<0.01%+1,90013F-HRTimeline
Assenagon Asset Management S.A.89,220$2.26M<0.01%013F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd87,510$2.22M0.08%+59,38813F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC83,981$2.13M0.01%-1,40913F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN81,401$2.06M<0.01%+44,63613F-HRTimelineGroup
Bridge City Capital, LLC81,117$2.05M0.6%-12,81813F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.77,553$1.96M0.15%-34,78613F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC75,518$1.91M<0.01%+29,38513F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/75,372$1.91M<0.01%-8,26913F-HRTimelineGroup
Penn Capital Management Company, LLC69,813$1.77M0.14%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC69,655$1.76M<0.01%+6,57913F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC68,954$1.75M<0.01%+24,76813F-HRTimelineGroup
Engineers Gate Manager LP65,519$1.66M0.02%-19,59013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD65,419$1.66M<0.01%-4,08613F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…64,681$1.64M<0.01%-2,32913F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC63,006$1.6M<0.01%+44,24613F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.61,235$1.55M<0.01%+1,84313F-HRTimeline
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…60,000$1.52M0.1%+15,00013F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…60,000$1.52M<0.01%013F-HRTimeline
OPTIMIZE FINANCIAL INC.57,359$1.45M0.73%+82413F-HRTimeline
OPPENHEIMER & CO INCin group OPPENHEIMER ASSET MANAGEMENT …53,969$1.37M0.02%+1,06813F-HRTimelineGroup
CastleKnight Management LP47,100$1.19M0.07%013F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P46,555$1.18M0.03%new13F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/43,089$1.09M<0.01%+2,73713F-HRTimeline
Teton Advisors, LLC43,000$1.09M0.76%-50013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC42,881$1.09M<0.01%-5,52713F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…41,559$1.05M<0.01%-3213F-HRTimeline
State of Tennessee, Department of Treas…23,557$1.03M<0.01%+4,73213F-HRTimeline
Trexquant Investment LP37,932$961K0.01%new13F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co37,007$937K<0.01%-13,03513F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND36,225$918K<0.01%013F-HRTimeline
Pacific Ridge Capital Partners, LLC36,140$915K0.2%+1,60013F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC35,200$892K<0.01%new13F-HRTimeline
ExodusPoint Capital Management, LP33,930$859K0.01%new13F-HRTimeline
Janney Montgomery Scott LLC32,221$816K<0.01%+3,72513F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC31,319$793K<0.01%-90,06713F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…31,187$790K<0.01%-1,52613F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…30,069$762K<0.01%013F-HRTimeline
ROMANO BROTHERS AND COMPANY29,250$741K0.08%-17,10013F-HRTimeline
Creative Planningin group Creative Planning29,134$738K<0.01%+13613F-HRTimelineGroup
HRT FINANCIAL LP26,837$679K<0.01%-8,91113F-HRTimeline
LPL Financial LLC26,798$679K<0.01%+1,14713F-HRTimeline
Headlands Technologies LLC26,429$669K0.06%+1,41613F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…26,200$664K<0.01%013F-HRTimelineGroup
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)25,847$655K<0.01%013F-HRTimelineGroup
State of Alaska, Department of Revenue25,093$635K0.01%+40013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources24,910$631K<0.01%+8,87413F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson23,673$600K<0.01%013F-HRTimelineGroup
Quantbot Technologies LP23,658$599K0.02%+16,53713F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…21,388$584K<0.01%+3,68613F-HRTimelineGroup
Quantinno Capital Management LP22,956$581K<0.01%+5,45613F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …21,937$564K<0.01%new13F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC22,247$564K<0.01%+22,24313F-HRTimelineGroup
Illinois Municipal Retirement Fund22,175$562K0.01%-89413F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…22,059$559K<0.01%+13,53113F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.21,685$549K<0.01%-3,81613F-HRTimelineGroup
YOUSIF CAPITAL MANAGEMENT, LLC12,190$540K0.01%-1,82013F-HRTimeline
Louisiana State Employees Retirement Sy…20,800$527K0.01%013F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…20,737$525K<0.01%-1713F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd19,881$504K0.01%new13F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …18,610$471K<0.01%-1,38113F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC18,421$467K0.04%+1,38013F-HRTimelineGroup
TORONTO DOMINION BANKin group TORONTO DOMINION BANK18,127$459K<0.01%+3,03413F-HRTimelineGroup
CAXTON ASSOCIATES LLP18,055$457K0.01%new13F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…17,982$455K0.01%new13F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC17,491$443K<0.01%+1,60613F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…13,225$420K<0.01%-1,89713F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …15,350$419K<0.01%-9,45713F-HRTimelineGroup
Atria Investments, Inc16,190$410K<0.01%+1,59013F-HRTimeline
Gallagher Fiduciary Advisors, LLCin group Gallagher Fiduciary Advisors,…16,004$405K0.01%+1,64913F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP15,422$391K<0.01%+1,41313F-HRTimelineGroup
Amundiin group Amundi15,343$389K<0.01%new13F-HRTimelineGroup
Handelsbanken Fonder AB14,400$365K<0.01%013F-HRTimeline
VARCOV Co.14,266$361K0.14%13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC13,663$346K<0.01%-14,33713F-HRTimelineGroup
FULLER & THALER ASSET MANAGEMENT, INC.13,505$342K<0.01%-75013F-HR/ATimeline
ProShare Advisors LLC13,491$342K<0.01%+35013F-HRTimeline
FMR LLCin group FMR LLC13,300$337K<0.01%+48413F-HRTimelineGroup
AMALGAMATED BANK13,183$334K<0.01%-12913F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA12,968$329K<0.01%-184,85713F-HRTimelineGroup
AlphaQuest LLC12,768$323K0.02%+7,02813F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…12,698$322K<0.01%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM12,646$320K<0.01%-69713F-HRTimeline
Police & Firemen's Retirement System of…12,336$312K<0.01%013F-HRTimeline
Numerai GP LLC12,301$312K0.04%-37,24413F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…11,346$287K<0.01%-1,64413F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…11,236$285K<0.01%-31213F-HRTimeline
MORGAN DEMPSEY CAPITAL MANAGEMENT LLC11,075$281K0.14%013F-HRTimeline
Legato Capital Management LLC10,918$277K0.02%-10,39713F-HRTimeline
Private Advisor Group, LLC10,556$267K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC10,379$263K<0.01%-71013F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND10,379$263K<0.01%+17313F-HRTimeline
Cresset Asset Management, LLC10,059$255K<0.01%013F-HRTimeline
Vise Technologies, Inc.9,911$251K<0.01%new13F-HRTimeline
KLP KAPITALFORVALTNING AS9,900$251K<0.01%013F-HRTimeline
Bridgewater Associates, LP9,137$231K<0.01%-1,25613F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO8,914$226K<0.01%-35613F-HRTimelineGroup
Brooklyn Investment Group8,711$226K0.01%new13F-HRTimeline
Ethic Inc.8,733$221K<0.01%-16413F-HRTimeline
Verition Fund Management LLC8,400$213K<0.01%-4,79213F-HRTimeline
Summit Global Investmentsin group Summit Global Investments8,292$210K0.01%new13F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC8,205$208K<0.01%-1,26013F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC8,135$206K<0.01%013F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…7,883$200K<0.01%013F-HRTimeline
Palouse Capital Management, Inc.7,013$178K0.11%-46913F-HRTimeline
GAMMA Investing LLC6,647$168K0.01%+2,11913F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…6,168$156K<0.01%013F-HRTimeline
Farther Finance Advisors, LLC4,593$116K<0.01%-59013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\4,344$110K<0.01%+1113F-HRTimelineGroup
Aquatic Capital Management LLC4,104$104K<0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,000$101K<0.01%+16213F-HRTimelineGroup
HANTZ FINANCIAL SERVICES, INC.3,937$100K<0.01%+1,19513F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…3,732$94.5K<0.01%013F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…3,635$92.1K<0.01%+1,60913F-HRTimelineGroup
STRS OHIO3,500$88.7K<0.01%-4,60013F-HRTimeline
Strengthening Families & Communities, L…3,400$86.1K0.03%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC3,142$79.6K<0.01%-93013F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.3,136$79.4K<0.01%new13F-HRTimelineGroup
Ensign Peak Advisors, Inc2,556$64.7K<0.01%-5,90013F-HR/ATimeline
Sterling Capital Management LLC2,417$61.2K<0.01%-46913F-HRTimeline
Pinnacle Wealth Planning Services, Inc.2,194$55.6K0.01%new13F-HRTimeline
Smartleaf Asset Management LLC1,827$47.1K<0.01%+2113F-HRTimeline
State of Wyoming1,825$46.2K0.01%+57213F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…1,559$39.5K<0.01%+13013F-HRTimeline
Allworth Financial LP1,283$32.5K<0.01%-5313F-HRTimeline
DANSKE BANK A/S1,100$27.9K<0.01%+90013F-HRTimeline
Truvestments Capital LLC1,086$27.5K<0.01%-1,30213F-HRTimeline
QUADRANT CAPITAL GROUP LLC989$25.1K<0.01%+28413F-HRTimeline
LANARK FINANCIAL, INC.971$24.6K<0.01%-13513F-HRTimeline
UMB Bank, n.a.813$20.6K<0.01%+4113F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Larson Financial Group LLC803$20.3K<0.01%+51513F-HRTimeline
Versant Capital Management, Inc691$17.5K<0.01%-7813F-HRTimeline
GROUP ONE TRADING LLC629$15.9K<0.01%+41113F-HRTimeline
Arax Advisory Partners626$15.9K<0.01%-94813F-HRTimeline
Strategic Wealth Partners, Ltd.602$15.2K<0.01%013F-HRTimeline
SIGNATUREFD, LLC587$14.9K<0.01%+4013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK549$13.9K<0.01%-1213F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…525$13.3K<0.01%-40113F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC507$12K<0.01%013F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …483$12K<0.01%+18713F-HRTimelineGroup
Essential Partners LLC431$10.9K<0.01%013F-HRTimeline
Salomon & Ludwin, LLC294$8.72K<0.01%-2513F-HRTimeline
Covestor Ltd294$7K<0.01%+29113F-HRTimeline
Steward Partners Investment Advisory, L…262$6.64K<0.01%+17013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC240$6.46K<0.01%new13F-HRTimeline
TD Waterhouse Canada Inc.250$6.33K<0.01%013F-HRTimeline
Global Retirement Partners, LLC240$6.08K<0.01%013F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…213$5.39K<0.01%+2013F-HRTimelineGroup
True Wealth Design, LLC202$5.12K<0.01%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…187$4.74K<0.01%+4113F-HR/ATimelineGroup
Fortitude Family Office, LLC141$3.57K<0.01%013F-HRTimeline