MEDICINES CO

CUSIP: 584688105 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

Note: Option positions (PUT/CALL) are excluded.

Q2 2017
Shares 709,229 Value ($000) $26,958 Avg Close — Range —
Q1 2017
Shares 604,020 Value ($000) $29,537 Avg Close — Range —
Q4 2016
Shares 251,790 Value ($000) $8,546 Avg Close — Range —
Q3 2016
Shares 41,419 Value ($000) $1,563 Avg Close — Range —
Q2 2016
Shares 50,529 Value ($000) $1,699 Avg Close — Range —
Q1 2016
Shares 60,424 Value ($000) $1,920 Avg Close — Range —
Q4 2015
Shares 286,559 Value ($000) $10,700 Avg Close — Range —
Q3 2015
Shares 716,712 Value ($000) $27,206 Avg Close — Range —
Q2 2015
Shares 1,256,653 Value ($000) $35,953 Avg Close — Range —
Q1 2015
Shares 2,314,908 Value ($000) $64,864 Avg Close — Range —
Q4 2014
Shares 1,328,598 Value ($000) $36,762 Avg Close — Range —
Q2 2014
Shares 209,341 Value ($000) $6,083 Avg Close — Range —
Q1 2014
Shares 1,483,219 Value ($000) $42,153 Avg Close — Range —
Q4 2013
Shares 1,746,929 Value ($000) $67,466 Avg Close — Range —
Q3 2013
Shares 847,550 Value ($000) $28,410 Avg Close — Range —