MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

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

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

Q2 2015
Shares 50,053 Value ($000) $2,719 Avg Close — Range —
Q3 2014
Shares 10,311 Value ($000) $457 Avg Close — Range —
Q1 2014
Shares 57,110 Value ($000) $3,103 Avg Close — Range —
Q4 2013
Shares 34,052 Value ($000) $2,063 Avg Close — Range —
Q3 2013
Shares 55,595 Value ($000) $5,500 Avg Close — Range —
Q2 2013
Shares 63,768 Value ($000) $4,939 Avg Close — Range —