MEDIDATA SOLUTIONS INC

CUSIP: 58471A105 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q3 2019
Shares 44,594 Value ($000) $4,080 Avg Close — Range —
Q2 2019
Shares 52,654 Value ($000) $4,765 Avg Close — Range —
Q1 2019
Shares 8,618 Value ($000) $631 Avg Close — Range —
Q4 2018
Shares 1,748 Value ($000) $118 Avg Close — Range —
Q3 2018
Shares 7,839 Value ($000) $575 Avg Close — Range —
Q3 2017
Shares 16,271 Value ($000) $1,269 Avg Close — Range —
Q3 2014
Shares 19,579 Value ($000) $867 Avg Close — Range —