UCTT · NASDAQ · Semiconductors

Ultra Clean (UCTT)

Builds semiconductor-equipment subsystems and provides ultra-high-purity cleaning, coating, and contamination analysis.

$75.60
vs last close−0.95 (−1.24%)

13F · 13D/G · Form 4

Institutions≈ 98.98%44.81M shares
461 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail
Insiders2.03%920.9K shares
19 holders · as of Sep 4, 2026
Adds to101.01%

45.28M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

These groups come from separate filings that can overlap, so they add to 101.01%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
15.28%6.92Mas of Jun 30, 2026
Invesco Ltd.Institution
6.90%3.12Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
6.09%2.76Mas of Jun 30, 2026
Capital World InvestorsInstitution
5.70%2.58Mas of Jun 30, 2026
Frontier Capital Management Co., LLC.Institution
5.65%2.56Mfiled Feb 14, 2024
Vanguard Capital Management LLCInstitution
4.22%1.91Mas of Jun 30, 2026
State Street CorpInstitution
3.98%1.80Mas of Jun 30, 2026
Boston PartnersInstitution
3.00%1.36Mas of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.91%1.32Mas of Jun 30, 2026
Driehaus Capital Management LLCInstitution
2.89%1.31Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
2.10%949,354as of Jun 30, 2026
AllianceBernstein L.P.Institution
1.75%793,936as of Jun 30, 2026
Charles Schwab Investment Management IncInstitution
1.63%739,967as of Jun 30, 2026
Sixth Street Partners Management Company, L.P.Institution
1.63%739,967as of Jun 30, 2026
Frontier Capital Management Co LLCInstitution
1.47%667,532as of Jun 30, 2026
Royce & Associates LPInstitution
1.47%666,496as of Jun 30, 2026
Oberweis Asset Management Inc/Institution
1.43%647,276as of Jun 30, 2026
Macquarie Management Holdings, Inc.Institution
1.38%624,028as of Jun 30, 2026
D. E. Shaw & Co., Inc.Institution
1.37%619,802as of Jun 30, 2026
Two Sigma Investments, LPInstitution
1.35%609,851as of Jun 30, 2026
Paradigm Capital Management Inc/NYInstitution
1.34%608,200as of Jun 30, 2026
Morgan StanleyInstitution
1.21%549,240as of Jun 30, 2026
Fuller & Thaler Asset Management, Inc.Institution
1.09%492,608as of Jun 30, 2026
Northern Trust CorpInstitution
1.09%491,504as of Jun 30, 2026
Bank of America Corp /DE/Institution
0.94%425,191as of Jun 30, 2026

13F, as of Jun 30, 2026

461 holders · 44.81M shares · 147 new positions · 247 increased · 159 reduced · 38 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.6.92M15.28%+87.4KAug 7, 2026
Invesco Ltd.3.12M6.90%+1.46MAug 14, 2026
Vanguard Portfolio Management LLC2.76M6.09%−44.8KAug 13, 2026
Capital World Investors2.58M5.70%+2.58MnewAug 12, 2026
Vanguard Capital Management LLC1.91M4.22%−7.5KAug 13, 2026
State Street Corp1.80M3.98%−35.6KAug 7, 2026
Boston Partners1.36M3.00%−108.7KAug 4, 2026
Geode Capital Management, LLC1.32M2.91%+176.9KAug 12, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.15.00%6.75M13GApr 30, 2025
Invesco Ltd.7.00%3.15M13GAug 13, 2026
Vanguard Portfolio Management6.20%2.82M13GApr 29, 2026
Capital World Investors5.80%2.58M13GAug 12, 2026
Vanguard Capital Management5.01%2.25M13GJul 31, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jul 2, 2026
Brian E. Hardingofficer: Chief Accounting Officer
Sale · 3 lots3,837$128.7533,581
Jun 4, 2026
Sheri Savageofficer: CFO
Sale · 46 lots30,187$89.4650,710
Jun 4, 2026
Brian E. Hardingofficer: Chief Accounting Officer
Sale · 22 lots16,988$89.4728,055
Jun 2, 2026
Paul Yoonku Choofficer: General Counsel and Secretary
Sale944$89.3722,941
May 27, 2026
Emily M. Liggettdirector
Sale8,198$92.1838,152
May 14, 2026
Jeffrey L. McKibbenofficer: Chief Information Officer
Sale4,205$87.0011,349
May 8, 2026
Jeffrey L. McKibbenofficer: Chief Information Officer
Sale2,500$86.4815,554
May 8, 2026
Paul Yoonku Choofficer: General Counsel and Secretary
Sale2,000$86.8915,844
May 5, 2026
Brian E. Hardingofficer: Chief Accounting Officer
Sale4,000$80.0036,631
May 5, 2026
Jamie J. Palfreyofficer: SVP, Global Human Resources
Sale8,691$79.7316,446

House and Senate disclosures

Not reported.