MPM Asset Management

MPM Asset Management as of March 31, 2011

Portfolio Holdings for MPM Asset Management

MPM Asset Management holds 10 positions in its portfolio as reported in the March 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Zalicus 25.3 $35M 15M 2.43
AVEO Pharmaceuticals 21.0 $29M 2.2M 13.32
PharmAthene 14.5 $20M 6.3M 3.19
Pacira Pharmaceuticals (PCRX) 14.3 $20M 2.8M 7.10
Somaxon Pharmaceuticals 9.4 $13M 4.6M 2.83
Idenix Pharmaceuticals 7.9 $11M 3.3M 3.32
EnteroMedics 3.3 $4.6M 1.7M 2.76
Anthera Pharmaceuticals 2.1 $3.0M 443k 6.75
Poniard Pharmaceuticals (PARD) 1.9 $2.7M 6.4M 0.42
iCAD 0.3 $482k 357k 1.35