MEDICINES CO

CUSIP: 584688105 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q1 2015
Shares 40,176 Value ($000) $1,126 Avg Close — Range —
Q3 2014
Shares 58,331 Value ($000) $1,302 Avg Close — Range —
Q2 2013
Shares 9,100 Value ($000) $280 Avg Close — Range —