IXIA

CUSIP: 45071R109 Class: COM

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

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

Q1 2017
Shares 1,025,641 Value ($000) $20,513 Avg Close — Range —
Q4 2016
Shares 47,573 Value ($000) $766 Avg Close — Range —
Q3 2016
Shares 105,773 Value ($000) $1,322 Avg Close — Range —
Q1 2016
Shares 135,895 Value ($000) $1,693 Avg Close — Range —