MEDICINES CO

CUSIP: 584688105 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q2 2017
Shares 554,319 Value ($000) $21,071 Avg Close — Range —
Q1 2017
Shares 1,442,658 Value ($000) $70,546 Avg Close — Range —
Q4 2016
Shares 1,470,503 Value ($000) $49,909 Avg Close — Range —
Q3 2016
Shares 1,500,770 Value ($000) $56,640 Avg Close — Range —
Q2 2016
Shares 1,564,784 Value ($000) $52,624 Avg Close — Range —
Q1 2016
Shares 1,849,597 Value ($000) $58,760 Avg Close — Range —
Q4 2015
Shares 1,895,993 Value ($000) $70,796 Avg Close — Range —
Q3 2015
Shares 1,790,128 Value ($000) $67,951 Avg Close — Range —
Q2 2015
Shares 1,746,010 Value ($000) $49,954 Avg Close — Range —
Q1 2015
Shares 1,455,976 Value ($000) $40,797 Avg Close — Range —
Q4 2014
Shares 1,313,924 Value ($000) $36,356 Avg Close — Range —
Q3 2014
Shares 1,179,549 Value ($000) $26,330 Avg Close — Range —
Q2 2014
Shares 1,138,325 Value ($000) $33,080 Avg Close — Range —
Q1 2014
Shares 1,138,875 Value ($000) $32,368 Avg Close — Range —
Q4 2013
Shares 1,002,447 Value ($000) $38,714 Avg Close — Range —
Q3 2013
Shares 964,770 Value ($000) $32,340 Avg Close — Range —
Q2 2013
Shares 966,338 Value ($000) $29,726 Avg Close — Range —