WESCO AIRCRAFT HLDGS INC

CUSIP: 950814103 Class: COMMON STOCK

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

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

Q4 2019
Shares 60,942 Value ($000) $672 Avg Close — Range —
Q3 2019
Shares 357,060 Value ($000) $3,931 Avg Close — Range —
Q2 2019
Shares 722,613 Value ($000) $8,021 Avg Close — Range —
Q1 2019
Shares 507,070 Value ($000) $4,457 Avg Close — Range —