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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.

Superinvestors holding UCTT, Q2 2026

1 superinvestor reports holding Ultra Clean Holdings, Inc. on Form 13F, worth $717.9K in total. Weight is Ultra Clean Holdings, Inc.'s share of each 13F portfolio; actions compare shares with Q1 2026.

See all superinvestors
Superinvestors holding UCTT in Q2 2026
Superinvestor% of portfolioSharesValuevs. previous quarter
Maverick CapitalLee Ainslie<0.1%5,035$717.9KReduced−75.2%

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of UCTT each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q2 2026

    1 superinvestor holding at quarter end

    Reduced
    Maverick Capital (−75.2%)
  2. Q1 2026

    1 superinvestor holding at quarter end

    New
    Maverick Capital
  3. Q3 2021

    0 superinvestors holding at quarter end

    Sold out
    ARK Invest
  4. Q2 2021

    1 superinvestor holding at quarter end

    Reduced
    ARK Invest (−24.9%)