MPM Asset Management

MPM Asset Management as of March 31, 2012

Portfolio Holdings for MPM Asset Management

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

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Pacira Pharmaceuticals (PCRX) 24.8 $38M 3.3M 11.54
Idenix Pharmaceuticals 21.2 $33M 3.3M 9.79
AVEO Pharmaceuticals 17.9 $27M 2.2M 12.41
Verastem 14.5 $22M 2.0M 10.93
Zalicus 8.7 $13M 11M 1.20
PharmAthene 7.3 $11M 6.3M 1.77
EnteroMedics 2.5 $3.8M 1.7M 2.26
Somaxon Pharmaceuticals 1.6 $2.4M 4.6M 0.52
Anthera Pharmaceuticals 1.4 $2.2M 1.0M 2.21
Poniard Pharmaceuticals (PARD) 0.1 $158k 159k 0.99
iCAD 0.1 $144k 294k 0.49