WILLIAMS CLAYTON ENERGY INC

CUSIP: 969490101 Class: CMN

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q1 2017
Shares 10,049 Value ($000) $1,327 Avg Close — Range —
Q4 2016
Shares 9,441 Value ($000) $1,126 Avg Close — Range —
Q3 2016
Shares 9,664 Value ($000) $826 Avg Close — Range —
Q2 2016
Shares 8,664 Value ($000) $238 Avg Close — Range —
Q4 2015
Shares 8,741 Value ($000) $258 Avg Close — Range —
Q3 2015
Shares 8,111 Value ($000) $315 Avg Close — Range —
Q2 2015
Shares 7,729 Value ($000) $508 Avg Close — Range —
Q1 2015
Shares 5,598 Value ($000) $283 Avg Close — Range —
Q4 2014
Shares 4,758 Value ($000) $304 Avg Close — Range —
Q3 2014
Shares 5,218 Value ($000) $503 Avg Close — Range —
Q2 2014
Shares 5,348 Value ($000) $735 Avg Close — Range —
Q1 2014
Shares 8,136 Value ($000) $919 Avg Close — Range —
Q4 2013
Shares 8,391 Value ($000) $688 Avg Close — Range —
Q3 2013
Shares 8,891 Value ($000) $467 Avg Close — Range —
Q2 2013
Shares 8,936 Value ($000) $389 Avg Close — Range —