KLA-TENCOR CORP filings

SEC filings by KLA-TENCOR CORP (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-13VANGUARD GROUP INCKLA CORP13,035,7339.6%EDGAR
SC 13G/A2024-01-25BlackRock Inc.KLA CORP11,504,8628.5%EDGAR
SC 13G/A2023-02-13Capital International InvestorsKLA CORP6,485,2914.6%EDGAR
SC 13G/A2023-02-09VANGUARD GROUP INCKLA CORP13,243,6879.4%EDGAR
SC 13G2023-01-30BlackRock Inc.KLA CORP11,080,8377.8%EDGAR
SC 13G/A2022-02-11Capital International InvestorsKLA CORP7,934,3405.2%EDGAR
SC 13G/A2022-02-10PRIMECAP MANAGEMENT CO/CA/KLA CORP7,518,8245.0%EDGAR
SC 13G/A2022-02-10VANGUARD GROUP INCKLA CORP13,509,9908.9%EDGAR
SC 13G/A2022-02-08PRIMECAP MANAGEMENT CO/CA/KLA CORP7,764,1745.1%EDGAR
SC 13G/A2022-02-01BlackRock Inc.KLA CORP11,324,6847.5%EDGAR
SC 13G2021-02-16Capital International InvestorsKLA CORP8,922,5025.8%EDGAR
SC 13G/A2021-02-12PRIMECAP MANAGEMENT CO/CA/KLA CORP9,364,3196.1%EDGAR
SC 13G/A2021-02-10VANGUARD GROUP INCKLA CORP18,726,15412.1%EDGAR
SC 13G/A2021-02-04WELLINGTON MANAGEMENT GROUP LLPKLA CORP6,347,5974.1%EDGAR
SC 13G/A2021-01-29BlackRock Inc.KLA CORP12,120,4007.8%EDGAR
SC 13G/A2020-02-12VANGUARD GROUP INCKLA CORP18,458,07811.7%EDGAR
SC 13G/A2020-02-12PRIMECAP MANAGEMENT CO/CA/KLA CORP10,285,4356.5%EDGAR
SC 13G/A2020-02-05BlackRock Inc.KLA CORP12,589,3648.0%EDGAR
SC 13G/A2020-01-27WELLINGTON MANAGEMENT GROUP LLPKLA CORP8,255,6565.2%EDGAR
SC 13G/A2019-02-12WELLINGTON MANAGEMENT GROUP LLPKLA TENCOR CORP8,661,9235.7%EDGAR