ULTRA CLEAN HLDGS INC filings

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SEC filings by ULTRA CLEAN HLDGS INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2024-02-14FRONTIER CAPITAL MANAGEMENT CO LLCUltra Clean Holdings, Inc.2,559,9435.7%EDGAR
SC 13G/A2024-02-13VANGUARD GROUP INCUltra Clean Holdings, Inc.4,360,5559.7%EDGAR
SC 13G/A2024-02-09DIMENSIONAL FUND ADVISORS LPUltra Clean Holdings, Inc.2,750,0426.1%EDGAR
SC 13G/A2024-01-25Swedbank Robur Fonder ABUltra Clean Holdings, Inc.2,434,2245.4%EDGAR
SC 13G/A2024-01-22BlackRock Inc.Ultra Clean Holdings, Inc.7,201,25816.1%EDGAR
SC 13G2023-02-10DIMENSIONAL FUND ADVISORS LPUltra Clean Holdings, Inc.2,301,7615.1%EDGAR
SC 13G/A2023-02-09VANGUARD GROUP INCUltra Clean Holdings, Inc.3,607,7107.9%EDGAR
SC 13G/A2023-01-27Swedbank Robur Fonder ABUltra Clean Holdings, Inc.3,000,0006.6%EDGAR
SC 13G/A2023-01-23BlackRock Inc.Ultra Clean Holdings, Inc.8,043,18117.7%EDGAR
SC 13G/A2022-03-18Swedbank Robur Fonder ABUltra Clean Holdings, Inc.2,620,0006.0%EDGAR
SC 13G/A2022-02-10VANGUARD GROUP INCUltra Clean Holdings, Inc.3,720,3738.3%EDGAR
SC 13G/A2022-02-08DIMENSIONAL FUND ADVISORS LPUltra Clean Holdings, Inc.1,884,2414.2%EDGAR
SC 13G/A2022-01-28BlackRock Inc.Ultra Clean Holdings, Inc.8,449,39618.8%EDGAR
SC 13G/A2021-02-12DIMENSIONAL FUND ADVISORS LPUltra Clean Holdings, Inc.2,157,3925.3%EDGAR
SC 13G/A2021-02-10VANGUARD GROUP INCUltra Clean Holdings, Inc.2,988,3727.4%EDGAR
SC 13G2021-01-25BlackRock Inc.Ultra Clean Holdings, Inc.6,917,58217.1%EDGAR
SC 13G/A2020-02-14Divisar Capital Management LLCUltra Clean Holdings, Inc.1,193,5183.0%EDGAR
SC 13G2020-02-13Swedbank Robur Fonder ABUltra Clean Holdings, Inc.2,300,0005.8%EDGAR
SC 13G/A2020-02-12DIMENSIONAL FUND ADVISORS LPUltra Clean Holdings, Inc.3,273,9948.2%EDGAR
SC 13G2020-02-11VANGUARD GROUP INCUltra Clean Holdings, Inc.2,661,8546.7%EDGAR
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