MPM ASSET MANAGEMENT LLC Information

THE JOHN HANCOCK TOWER, BOSTON, Massachusetts, 02116, (617) 425-9200

Report Date: 09/30/2014

Position Statistics

Total Positions 14
New Positions 0
Increased Positions 3
Decreased Positions 1
Positions with Activity 4
Sold Out Positions 1
Total Mkt Value (in $ millions) 404

Institutional Holdings information is filed by major institutions on form 13-F with the Securities and Exchange Commission.

Sector Weighting

Basic Materials
Capital Goods
Conglomerates
Consumer Cyclical
Consumer/Non-Cyclical
Energy
Financial
Healthcare 60.37%
Services
Technology
Transportation
Utilities

14 Positions as of 09/30/2014

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
RADIUS HEALTH INC COM NEW 225,378 New 5,831,253
EPIZYME INC COM 48,518 New 2,413,819
ARATANA THERAPEUTICS INC COM 36,275 428 1.19 2,118,845
PORTOLA PHARMACEUTICALS INC COM 34,374 New 1,220,672
CELLADON CORP COM 18,175 8 .04 1,067,236
TRIVASCULAR TECHNOLOGIES INC COM 16,257 New 1,776,692
PHARMATHENE INC COM 9,458 New 6,347,614
CONATUS PHARMACEUTICALS INC COM 6,366 New 1,192,080
VERASTEM INC COM 6,190 New 816,683
ENTEROMEDICS INC COM NEW 1,280 New 1,113,168
MAST THERAPEUTICS INC COM 1,199 953 386.20 2,551,851
SANGAMO BIOSCIENCES INC COM 302 New 22,487
MACROGENICS INC COM 103 New 3,168
PACIRA PHARMACEUTICALS INC COM -4,158 Sold Out 0