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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0001085146-19-000366
Filing Date
2019-02-07
Accepted
2019-02-07 07:03:51
Documents
1

Document Format Files

Seq Description Document Type Size
1 WESTFIELD CAPITAL MANAGEMENT COMPANY, L.P. mdco_20619.htm SC 13G 26167
  Complete submission text file 0001085146-19-000366.txt   27830
Mailing Address 8 SYLVAN WAY PARSIPPANY NJ 07054
Business Address 8 SYLVAN WAY PARSIPPANY NJ 07054 973-290-6000
MEDICINES CO /DE (Subject) CIK: 0001113481 (see all company filings)

IRS No.: 043324394 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-60201 | Film No.: 19573423
SIC: 2834 Pharmaceutical Preparations

Mailing Address ONE FINANCIAL CENTER 23RD FLOOR BOSTON MA 02111
Business Address ONE FINANCIAL CENTER 23RD FLOOR BOSTON MA 02111 6174287100
WESTFIELD CAPITAL MANAGEMENT CO LP (Filed by) CIK: 0001177719 (see all company filings)

IRS No.: 800175963 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G