IPC THE HOSPITALIST CO INC

CUSIP: 44984A105 Class: COM

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

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

Q4 2014
Shares 46,529 Value ($000) $2,135 Avg Close — Range —
Q3 2014
Shares 39,008 Value ($000) $1,747 Avg Close — Range —