COMCAST CORP filings

This page lists the SEC filings reported by COMCAST CORP.

SEC filings by COMCAST CORP (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2014-02-11BlackRock Inc.COMCAST CORP31,148,5046.6%EDGAR
SC 13G/A2014-02-04BlackRock Inc.COMCAST CORP146,212,0726.8%EDGAR
SC 13D/A2013-07-08COMCAST CORPClearwire Corp /DE88,504,13212.7%EDGAR
SC 13G2013-04-25COMCAST CORPARRIS GROUP INC10,633,5007.8%EDGAR
SC 13G/A2013-02-14Clearbridge Investments, LLCCOMCAST CORP39,612,4457.5%EDGAR
SC 13G2013-02-14FMR LLCCOMCAST CORP122,421,9675.8%EDGAR
SC 13G/A2013-02-12Capital Research Global InvestorsCOMCAST CORP91,189,8574.3%EDGAR
SC 13G2013-02-12VANGUARD GROUP INCCOMCAST CORP108,349,1625.1%EDGAR
SC 13G2013-02-12Capital Research Global InvestorsCOMCAST CORP27,250,0005.2%EDGAR
SC 13G/A2013-02-08BlackRock Inc.COMCAST CORP151,970,3677.2%EDGAR
SC 13D/A2012-12-19COMCAST CORPClearwire Corp /DE88,504,13212.8%EDGAR
SC 13D2012-10-22COMCAST CORPClearwire Corp /DE88,504,13212.8%EDGAR
SC 13G/A2012-02-14Clearbridge Advisors, LLCCOMCAST CORP44,328,7367.1%EDGAR
SC 13G2012-02-14Capital Research Global InvestorsCOMCAST CORP138,015,0576.6%EDGAR
SC 13G2012-02-14Capital Research Global InvestorsCOMCAST CORP32,470,0005.2%EDGAR
SC 13G/A2012-02-13BlackRock Inc.COMCAST CORP139,744,9766.7%EDGAR
SC 13G/A2012-02-13COMCAST CORPLiberty Media Corp6,762,5796.0%EDGAR
SC 13G/A2012-02-10DODGE & COXCOMCAST CORP100,679,4254.8%EDGAR
SC 13D/A2011-05-17COMCAST CORPVALUEVISION MEDIA INC-15.1%EDGAR
SC 13G/A2011-02-11Clearbridge Advisors, LLCCOMCAST CORP39,146,3385.5%EDGAR
Form 13F-HR
The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
Form SC 13D/G
Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
Form 3, 4, and 5
Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.