WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

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

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

Q4 2015
Shares 20,354 Value ($000) $592 Avg Close — Range —
Q3 2015
Shares 78,298 Value ($000) $3,039 Avg Close — Range —
Q2 2015
Shares 72,947 Value ($000) $4,796 Avg Close — Range —
Q1 2015
Shares 22,156 Value ($000) $1,122 Avg Close — Range —
Q2 2014
Shares 27,840 Value ($000) $3,789 Avg Close — Range —
Q1 2014
Shares 58,867 Value ($000) $6,653 Avg Close — Range —
Q4 2013
Shares 34,712 Value ($000) $2,845 Avg Close — Range —