ALLEGHENY TECHNOLOGIES INC filings

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SEC filings by ALLEGHENY TECHNOLOGIES INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2019-09-10Capital International InvestorsALLEGHENY TECHNOLOGIES INC13,321,48810.6%EDGAR
SC 13G2019-02-14Capital Research Global InvestorsALLEGHENY TECHNOLOGIES INC8,863,9807.0%EDGAR
SC 13G/A2019-02-11BlackRock Inc.ALLEGHENY TECHNOLOGIES INC15,241,07612.1%EDGAR
SC 13G/A2019-02-11VANGUARD GROUP INCALLEGHENY TECHNOLOGIES INC11,551,5339.2%EDGAR
SC 13G/A2019-02-11FRONTIER CAPITAL MANAGEMENT CO LLCALLEGHENY TECHNOLOGIES INC8,954,7587.1%EDGAR
SC 13G/A2019-02-06IRIDIAN ASSET MANAGEMENT LLC/CTALLEGHENY TECHNOLOGIES INC--EDGAR
SC 13G/A2018-02-13STATE STREET CORPALLEGHENY TECHNOLOGIES INC-4.7%EDGAR
SC 13G/A2018-02-12WS MANAGEMENT LLLPALLEGHENY TECHNOLOGIES INC3,776,8923.0%EDGAR
SC 13G/A2018-02-12VANGUARD GROUP INCALLEGHENY TECHNOLOGIES INC10,902,2678.7%EDGAR
SC 13G/A2018-02-08BlackRock Inc.ALLEGHENY TECHNOLOGIES INC13,383,46410.6%EDGAR
SC 13G2018-02-07FRONTIER CAPITAL MANAGEMENT CO LLCALLEGHENY TECHNOLOGIES INC7,848,1076.2%EDGAR
SC 13G/A2018-02-06IRIDIAN ASSET MANAGEMENT LLC/CTALLEGHENY TECHNOLOGIES INC10,880,4118.6%EDGAR
SC 13G/A2018-02-05FRANKLIN RESOURCES INCALLEGHENY TECHNOLOGIES INC1,690,2661.3%EDGAR
SC 13G2017-06-06IRIDIAN ASSET MANAGEMENT LLC/CTALLEGHENY TECHNOLOGIES INC11,030,42210.1%EDGAR
SC 13G2017-02-15PLATINUM INVESTMENT MANAGEMENT LTDALLEGHENY TECHNOLOGIES INC--EDGAR
SC 13G/A2017-02-13SASCO CAPITAL INC / CT/ALLEGHENY TECHNOLOGIES INC5,179,7294.8%EDGAR
SC 13G/A2017-02-09FRANKLIN RESOURCES INCALLEGHENY TECHNOLOGIES INC5,908,9765.4%EDGAR
SC 13G/A2017-02-09VANGUARD GROUP INCALLEGHENY TECHNOLOGIES INC8,617,7977.9%EDGAR
SC 13G2017-02-09STATE STREET CORPALLEGHENY TECHNOLOGIES INC-5.1%EDGAR
SC 13G/A2017-01-17WS MANAGEMENT LLLPALLEGHENY TECHNOLOGIES INC5,576,0485.1%EDGAR
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