MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2018
Shares 2,901 Value ($000) $213 Avg Close — Range —
Q2 2018
Shares 2,711 Value ($000) $218 Avg Close — Range —