MEDASSETS INC

CUSIP: 584045108 Class: COM

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

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

Q4 2015
Shares 68,329 Value ($000) $2,114 Avg Close — Range —
Q1 2014
Shares 63,728 Value ($000) $1,575 Avg Close — Range —