MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2018
Shares 31,688 Value ($000) $2,136 Avg Close — Range —
Q3 2018
Shares 106,515 Value ($000) $7,809 Avg Close — Range —
Q2 2018
Shares 233,803 Value ($000) $18,835 Avg Close — Range —
Q4 2017
Shares 54,912 Value ($000) $3,480 Avg Close — Range —
Q3 2017
Shares 49,049 Value ($000) $3,829 Avg Close — Range —
Q2 2017
Shares 192,766 Value ($000) $15,074 Avg Close — Range —
Q1 2017
Shares 269,893 Value ($000) $15,570 Avg Close — Range —
Q4 2016
Shares 248,873 Value ($000) $12,362 Avg Close — Range —
Q3 2016
Shares 469,618 Value ($000) $26,186 Avg Close — Range —
Q2 2016
Shares 572,935 Value ($000) $26,853 Avg Close — Range —
Q1 2016
Shares 715,078 Value ($000) $27,681 Avg Close — Range —
Q4 2015
Shares 690,870 Value ($000) $34,053 Avg Close — Range —
Q3 2015
Shares 859,331 Value ($000) $36,186 Avg Close — Range —
Q2 2015
Shares 616,729 Value ($000) $33,501 Avg Close — Range —
Q1 2015
Shares 729,317 Value ($000) $35,766 Avg Close — Range —
Q4 2014
Shares 682,019 Value ($000) $32,566 Avg Close — Range —
Q3 2014
Shares 217,574 Value ($000) $9,636 Avg Close — Range —
Q2 2013
Shares 8,761 Value ($000) $679 Avg Close — Range —