MPM ASSET MANAGEMENT LLC Information

450 KENDALL STREET, CAMBRIDGE, Massachusetts, 02142, (617) 425-9200

Report Date: 12/31/2015

Position Statistics

Total Positions 17
New Positions 1
Increased Positions 1
Decreased Positions 3
Positions with Activity 4
Sold Out Positions 2
Total Mkt Value (in $ millions) 306

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 77.26%
Services
Technology
Transportation
Utilities

17 Positions as of 12/31/2015

Company Class Value of Shares ($1,000s) ▼ Change in Value ($1,000s) Change (%) Shares Held
RADIUS HEALTH INC COM NEW 207,593 New 5,831,253
CHIASMA INC COM 19,147 New 5,681,544
EPIZYME INC COM 18,023 New 1,729,674
PHARMATHENE INC COM 15,107 New 6,347,614
ENDOLOGIX INC COM 12,571 New 1,121,448
NEVRO CORP COM 10,088 -4,162 (29.21) 150,000
PROTEON THERAPEUTICS INC COM 9,598 New 983,381
ARATANA THERAPEUTICS INC COM 6,718 New 1,117,875
CONATUS PHARMACEUTICALS INC COM 3,421 New 1,192,080
CERECOR INC COM 2,304 2,304 New 595,436
MAST THERAPEUTICS INC COM 753 New 2,551,851
COLUCID PHARMACEUTICALS INC COM 147 New 21,806
SANGAMO BIOSCIENCES INC COM 142 New 22,487
MACROGENICS INC COM 65 New 3,168
ENTEROMEDICS INC COM PAR 0.01 59 New 74,215
PORTOLA PHARMACEUTICALS INC COM -29,003 Sold Out 0
VERASTEM INC COM -945 Sold Out 0


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