WILLBROS GROUP INC DEL

CUSIP: 969203108 Class: COMMON STOCK

OXFORD ASSET MANAGEMENT LLP's Holding History (CIK: 0001438284)

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

Q4 2017
Shares 206,331 Value ($000) $291 Avg Close — Range —
Q3 2017
Shares 60,986 Value ($000) $195 Avg Close — Range —
Q2 2016
Shares 327,195 Value ($000) $828 Avg Close — Range —
Q1 2014
Shares 90,451 Value ($000) $1,141 Avg Close — Range —