MEDICINES CO

CUSIP: 584688105 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2019
Shares 71,945 Value ($000) $6,111 Avg Close — Range —
Q3 2019
Shares 626,162 Value ($000) $31,308 Avg Close — Range —
Q4 2016
Shares 283,622 Value ($000) $9,626 Avg Close — Range —
Q4 2015
Shares 125,253 Value ($000) $4,677 Avg Close — Range —
Q1 2015
Shares 420,096 Value ($000) $11,771 Avg Close — Range —
Q4 2014
Shares 46,226 Value ($000) $1,279 Avg Close — Range —