0000950123-15-011440.txt : 20151112 0000950123-15-011440.hdr.sgml : 20151112 20151112115416 ACCESSION NUMBER: 0000950123-15-011440 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20150930 FILED AS OF DATE: 20151112 DATE AS OF CHANGE: 20151112 EFFECTIVENESS DATE: 20151112 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MPM ASSET MANAGEMENT LLC CENTRAL INDEX KEY: 0001263048 IRS NUMBER: 043351032 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-13379 FILM NUMBER: 151222768 BUSINESS ADDRESS: STREET 1: 450 KENDALL STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 6174259200 MAIL ADDRESS: STREET 1: 450 KENDALL STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0001263048 XXXXXXXX 09-30-2015 09-30-2015 MPM ASSET MANAGEMENT LLC

450 KENDALL STREET CAMBRIDGE MA 02142

13F HOLDINGS REPORT 028-13379 N Ansbert Gadicke (617) 425-9200 /s/Ansbert Gadicke Boston MA 11-12-2015 0 16 650052 false INFORMATION TABLE 2 form13fInfoTable.xml INFORMATION TABLE FOR FORM 13F Aratana Therapeutics Inc. Common 03874P101 9457 1117875 SH SOLE 1117875 0 0 Chiasma, Inc. Common 16706W102 112949 5681544 SH SOLE 5681544 0 0 CoLucid Pharmaceuticals, Inc. Common 19716T101 84 21806 SH SOLE 21806 0 0 Conatus Pharmaceuticals, Inc. Common 20600T108 5305 1192080 SH SOLE 1192080 0 0 EnteroMedics, Inc. Common 29365M208 289 1113168 SH SOLE 1113168 0 0 EpiZyme, Inc. Common 29428V104 22244 1729674 SH SOLE 1729674 0 0 MacroGenics, Inc. Common 556099109 68 3168 SH SOLE 3168 0 0 Mast Therapeutics, Inc. Common 576314108 1480 2551851 SH SOLE 2551851 0 0 Nevro Corporation Common 64157F103 9829 211884 SH SOLE 211884 0 0 PharmAthene, Inc. Common 71714G102 8442 6347614 SH SOLE 6347614 0 0 Portola Pharmaceuticals, Inc. Common 737010108 52025 1220672 SH SOLE 1220672 0 0 Proteon Therapeutics, Inc. Common 74371L109 13679 983381 SH SOLE 983381 0 0 Radius Health, Inc. Common 750469207 404164 5831253 SH SOLE 5831253 0 0 Sangamo Biosciences, Inc. Common 800677106 127 22487 SH SOLE 22487 0 0 Trivascular Technologies, Inc. Common 89685A102 8883 1776692 SH SOLE 1776692 0 0 Verastem, Inc. Common 92337C104 1025 572874 SH SOLE 572874 0 0