The 2012 Participating Investors list will be available in Summer 2012.

5AM Ventures, LLC
Abbott Biotech Ventures
Alta Partners, LLC
Amgen Ventures
AMOREPACIFIC
Apjohn Ventures
Aquilo Capital
Asian Healthcare Fund
Astellas Venture Management LLC
Atel Ventures
Avalon Ventures
Bay City Capital
BDC
BioMed Realty Trust, Inc.
BioMed Ventures
Biotechnology Value Fund
BMO Capital Markets
Bogan Associates LLC
Brookside Capital, LLC
BSI Healthcapital SA
Burrill & Company
BWS Financial Inc.
Canaan Partners
Capital Royalty L.P.
Castleoak Securities, LP
CATO BioVentures
CDIB Bioscience Ventures
Charter Life Sciences
Chilton Capital Management
CHL Medical Partners, LLC
Claremont Creek Ventures
CLS Capital
Cowen Health Care Royalty Partners
CTI Life Sciences Fund
Daiichi Sankyo Group
Dorset Capital LLC
Dovedale Investments
DW Healthcare Partners
EDBI
EGB Advisors, LLC
Eon Research Ventures
Frazier Healthcare Ventures
GE Healthcare Financial Services
GeneChem Management
Genesys Capital
Helix Ventures
Inovation Ventures
Intersouth Partners
Inventages Venture Capital
ITX International
JAFCO Life Science Investment
Johnson & Johnson Development Corp
Katan Associates International LLC
Kearny Venture Partners
Laidlaw & Company (UK) Ltd.
Leader Ventures
LifeTech Capital
Lilly Ventures
Lincoln Park Capital
Lux Capital
Maxwell Biotech Venture Fund
McNicoll, Lewis & Vlak
MedImmune Ventures
Mission Bay Capital  
MLV
Morgan Joseph
MP Healthcare Venture Management, Inc.
MPM Capital, LLP
New Biology Ventures
New Enterprise Associates (NEA)
New Leaf Venture Partners, LLC
Noble Financial Capital Markets
Norwest Venture Partners
Novo A/S  
Novo Nordisk Biotech Fund
Novo Ventures  
Numoda Capital Innovations
OrbiMed
Oxford Finance LLC
Pac-Link BioVentures
Palo Alto Investors
Panorama Capital
Paul Capital
Potrero Capital
Prime Equity Research
Proteus Venture Partners
RBC Capital Markets
Rho Capital Partners 
Rho Ventures
Risk Reward Capital
Rodman & Renshaw, LLC
Roth Capital Partners
RRC
RRC Bio Fund
Sand Hill Angels, LLC
Sanderling Ventures
SB Life Science Equity Management
Science Futures Management Co. LLC
Shire Pharmaceuticals Inc
Skyline Ventures
Special Situations Fund
Sofinnova Ventures, LLC
SR One
Stafford Capital Management
Stonepine Capital
SUMITOMO Corporation of America
SV Life Sciences
Symmetry Capital
Syzygy Therapeutics
Taian Technologies/Eminent VC
Tavistock Group
Third Rock Ventures
TriplePoint Capital
US Venture Partners
VantagePoint Capital Partners
Velocity Pharmaceutical Development
venBio
Ventures West Capital Ltd.
Vista Partners LLC
Vivo Ventures
Wedbush PacGrow Life Sciences
WRF Capital
Yasuda Enterprise Development
Yorkville Advisors
Zacks Investment Research