MPM Asset Management

MPM Asset Management as of June 30, 2012

Portfolio Holdings for MPM Asset Management

MPM Asset Management holds 11 positions in its portfolio as reported in the June 2012 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Pacira Pharmaceuticals (PCRX) 32.4 $53M 3.3M 16.04
Idenix Pharmaceuticals 20.9 $34M 3.3M 10.28
AVEO Pharmaceuticals 16.5 $27M 2.2M 12.16
Verastem 12.1 $20M 2.0M 9.69
Zalicus 8.2 $13M 11M 1.20
PharmAthene 5.4 $8.8M 6.3M 1.39
EnteroMedics 3.5 $5.8M 1.7M 3.45
Somaxon Pharmaceuticals 0.7 $1.1M 3.8M 0.29
Anthera Pharmaceuticals 0.2 $341k 501k 0.68
iCAD 0.1 $135k 294k 0.46
Poniard Pharmaceuticals (PARD) 0.0 $56k 159k 0.35