ALEXION PHARMACEUTICALS INC filings

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SEC filings by ALEXION PHARMACEUTICALS INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2000-06-08- ---EDGAR
SC 13G2000-06-08- ---EDGAR
SC 13G2000-04-10JANUS CAPITAL CORPALEXION PHARMACEUTICALS INC1,715,71611.3%EDGAR
SC 13G/A2000-03-24ORBIMED ADVISERS INC /CTALEXION PHARMACEUTICALS INC614,3004.2%EDGAR
SC 13G/A2000-03-24ORBIMED ADVISERS INC /CTALEXION PHARMACEUTICALS INC614,3004.2%EDGAR
SC 13G/A2000-03-24ORBIMED ADVISERS INC /CTALEXION PHARMACEUTICALS INC614,3004.2%EDGAR
SC 13G/A2000-02-07ZESIGER CAPITAL GROUP LLCALEXION PHARMACEUTICALS INC642,0004.4%EDGAR
SC 13G/A2000-02-07ZESIGER CAPITAL GROUP LLCALEXION PHARMACEUTICALS INC642,0004.4%EDGAR
SC 13G/A2000-02-07ZESIGER CAPITAL GROUP LLCALEXION PHARMACEUTICALS INC642,0004.4%EDGAR
SC 13G/A2000-02-04AMVESCAP PLC \GA\ALEXION PHARMACEUTICALS INC826,4105.6%EDGAR
SC 13G/A2000-02-04AMVESCAP PLC \GA\ALEXION PHARMACEUTICALS INC826,4105.6%EDGAR
SC 13G/A2000-02-04AMVESCAP PLC \GA\ALEXION PHARMACEUTICALS INC826,4105.6%EDGAR
SC 13G/A2000-02-03PRICE T ROWE ASSOCIATES INC /MD/ALEXION PHARMACEUTICALS INC803,2005.4%EDGAR
SC 13G/A2000-02-03PRICE T ROWE ASSOCIATES INC /MD/ALEXION PHARMACEUTICALS INC803,2005.4%EDGAR
SC 13G/A2000-02-03PRICE T ROWE ASSOCIATES INC /MD/ALEXION PHARMACEUTICALS INC803,2005.4%EDGAR
SC 13G/A2000-01-28SCUDDER KEMPER INVESTMENTS INCALEXION PHARMACEUTICALS INC1,653,30011.2%EDGAR
SC 13G/A2000-01-28ZESIGER CAPITAL GROUP LLCALEXION PHARMACEUTICALS INC890,0006.0%EDGAR
SC 13G/A2000-01-28SCUDDER KEMPER INVESTMENTS INCALEXION PHARMACEUTICALS INC1,653,30011.2%EDGAR
SC 13G/A2000-01-28ZESIGER CAPITAL GROUP LLCALEXION PHARMACEUTICALS INC890,0006.0%EDGAR
SC 13G/A2000-01-28SCUDDER KEMPER INVESTMENTS INCALEXION PHARMACEUTICALS INC1,653,30011.2%EDGAR
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