OM GROUP INC filings

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SEC filings by OM GROUP INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2017-02-09DIMENSIONAL FUND ADVISORS LPOM GROUP INC00.0%EDGAR
SC 13G/A2016-02-16Capital Research Global InvestorsOM GROUP INC-0.0%EDGAR
SC 13G/A2016-02-09DIMENSIONAL FUND ADVISORS LPOM GROUP INC00.0%EDGAR
SC 13D/A2015-06-26FrontFour Capital Group LLCOM GROUP INC1,452,4064.7%EDGAR
SC 13D/A2015-06-05FrontFour Capital Group LLCOM GROUP INC1,591,0365.2%EDGAR
SC 13G/A2015-05-11FMR LLCOM GROUP INC235,9000.8%EDGAR
SC 13D/A2015-03-23FrontFour Capital Group LLCOM GROUP INC1,691,7245.6%EDGAR
SC 13D/A2015-03-05FrontFour Capital Group LLCOM GROUP INC1,691,7245.6%EDGAR
SC 13G/A2015-02-13FMR LLCOM GROUP INC1,964,0926.4%EDGAR
SC 13G/A2015-02-13Capital Research Global InvestorsOM GROUP INC2,295,0007.4%EDGAR
SC 13G/A2015-02-11VANGUARD GROUP INCOM GROUP INC2,027,3106.6%EDGAR
SC 13G/A2015-02-05DIMENSIONAL FUND ADVISORS LPOM GROUP INC2,681,6308.7%EDGAR
SC 13D/A2015-01-28FrontFour Capital Group LLCOM GROUP INC1,662,5715.4%EDGAR
SC 13D2015-01-09FrontFour Capital Group LLCOM GROUP INC1,698,4715.5%EDGAR
SC 13G/A2015-01-09BlackRock Inc.OM GROUP INC3,198,83510.4%EDGAR
SC 13G/A2014-02-14FMR LLCOM GROUP INC2,000,0496.3%EDGAR
SC 13G/A2014-02-13AMERIPRISE FINANCIAL INCOM GROUP INC1,515,6194.7%EDGAR
SC 13G2014-02-13Capital Research Global InvestorsOM GROUP INC2,555,0008.0%EDGAR
SC 13G/A2014-02-12VANGUARD GROUP INCOM GROUP INC1,941,9926.1%EDGAR
SC 13G/A2014-02-10DIMENSIONAL FUND ADVISORS LPOM GROUP INC2,788,4728.7%EDGAR
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