COGENT COMMUNICATIONS HLDGS filings

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SEC filings by COGENT COMMUNICATIONS HLDGS (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2009-01-22Norges BankCOGENT COMMUNICATIONS GROUP INC2,456,6915.2%EDGAR
SC 13G2008-11-10CHILTON INVESTMENT CO LLCCOGENT COMMUNICATIONS GROUP INC5,400,18811.9%EDGAR
SC 13G/A2008-09-10FMR LLCCOGENT COMMUNICATIONS GROUP INC5,811,37512.7%EDGAR
SC 13G/A2008-09-04COLUMBIA WANGER ASSET MANAGEMENT LPCOGENT COMMUNICATIONS GROUP INC4,887,00010.7%EDGAR
SC 13G/A2008-06-10FMR LLCCOGENT COMMUNICATIONS GROUP INC3,654,4047.6%EDGAR
SC 13G2008-05-27Norges BankCOGENT COMMUNICATIONS GROUP INC2,456,6915.2%EDGAR
SC 13G/A2008-03-10PRICE T ROWE ASSOCIATES INC /MD/COGENT COMMUNICATIONS GROUP INC4,818,11510.0%EDGAR
SC 13G/A2008-03-10MORGAN STANLEYCOGENT COMMUNICATIONS GROUP INC5,073,03510.6%EDGAR
SC 13G2008-02-19PBK HOLDINGS INCCOGENT COMMUNICATIONS GROUP INC2,576,0145.3%EDGAR
SC 13G/A2008-02-14FMR LLCCOGENT COMMUNICATIONS GROUP INC7,013,21714.5%EDGAR
SC 13G/A2008-02-14TREMBLANT CAPITAL GROUPCOGENT COMMUNICATIONS GROUP INC2,475,0675.1%EDGAR
SC 13G2008-02-14MORGAN STANLEYCOGENT COMMUNICATIONS GROUP INC4,639,4829.6%EDGAR
SC 13G/A2008-02-13ZIFF ASSET MANAGEMENT LPCOGENT COMMUNICATIONS GROUP INC859,9231.8%EDGAR
SC 13G2008-02-13PRICE T ROWE ASSOCIATES INC /MD/COGENT COMMUNICATIONS GROUP INC4,011,5498.3%EDGAR
SC 13G2008-01-22COLUMBIA WANGER ASSET MANAGEMENT LPCOGENT COMMUNICATIONS GROUP INC3,754,5007.8%EDGAR
SC 13G/A2007-12-12Schreiber Suydam Van ZandtCOGENT COMMUNICATIONS GROUP INC2,295,9584.8%EDGAR
SC 13G2007-12-10SHUMWAY CAPITAL PARTNERS LLCCOGENT COMMUNICATIONS GROUP INC3,191,7136.6%EDGAR
SC 13G2007-08-17Schreiber Suydam Van ZandtCOGENT COMMUNICATIONS GROUP INC2,425,4505.0%EDGAR
SC 13G2007-08-09TREMBLANT CAPITAL GROUPCOGENT COMMUNICATIONS GROUP INC2,683,4065.6%EDGAR
SC 13D/A2007-06-27BNP EUROPE TE LECOM & MEDIA FUND II LPCOGENT COMMUNICATIONS GROUP INC00.0%EDGAR
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