13F-HR | SEC Filings Hub

Filing metadata

Accession number: 0000950123-21-010733
Form type: 13F-HR
Filer: MPM ASSET MANAGEMENT LLC
CIK: CIK 1263048
Filed: Aug 13, 2021
Reporting period: Jun 30, 2021
Description: Institutional holdings

Documents

0000950123-21-010733-index.htm

Complete submission

0000950123-21-010733.txt

directory listing

Filed by

MPM ASSET MANAGEMENT LLC