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HELICOS BIOSCIENCES CORP (HLCS) Create: Alert

All | News | Filings
Date FiledTypeDescription
02/11/2013 SC 13G/A Versant Affiliates Fund II-A, LP reports a 18.8% stake in Helicos Biosciences Corporation
02/10/2012 SC 13G/A Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
02/14/2011 SC 13G/A HELICOS BIOSCIENCES CORP reports a 19.8% stake in Helicos Biosciences Corporation
02/16/2010 SC 13G/A MPM BIOVENTURES III L.P. reports a 0% stake in HELICOS BIOSCIENCES CORPORATION
02/12/2009 SC 13G/A Form SC 13G/A -- Statement of acquisition of beneficial ownership by individuals [amend]
02/12/2009 SC 13G/A Form SC 13G/A -- Statement of acquisition of beneficial ownership by individuals [amend]
02/12/2009 SC 13G/A Stephens Investment Management, LLC reports a 3.6% stake in Helicos Biosciences Corporation
02/12/2009 SC 13G/A VISION CAPITAL ADVISORS, LLC reports a 9.9% stake in Helicos Biosciences Corporation

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