MEDICINES CO

CUSIP: 58468810 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2015
Shares 193,700 Value ($000) $5,542 Avg Close — Range —
Q2 2015
Shares 193,700 Value ($000) $5,542 Avg Close — Range —
Q1 2015
Shares 10,800 Value ($000) $303 Avg Close — Range —
Q3 2014
Shares 116,585 Value ($000) $2,602 Avg Close — Range —
Q2 2014
Shares 258,887 Value ($000) $7,523 Avg Close — Range —
Q1 2014
Shares 482,356 Value ($000) $13,709 Avg Close — Range —
Q4 2013
Shares 74,675 Value ($000) $2,884 Avg Close — Range —
Q3 2013
Shares 222,567 Value ($000) $7,460 Avg Close — Range —
Q2 2013
Shares 158,683 Value ($000) $4,881 Avg Close — Range —