MEDICINES CO

CUSIP: 584688105 Class: COM

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q4 2019
Shares 46,100 Value ($000) $3,916 Avg Close — Range —
Q3 2019
Shares 51,900 Value ($000) $2,595 Avg Close — Range —