WEST CORP

CUSIP: 952355204 Class: COM

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q3 2017
Shares 52,578 Value ($000) $1,234 Avg Close — Range —
Q2 2017
Shares 52,800 Value ($000) $1,231 Avg Close — Range —
Q1 2017
Shares 53,618 Value ($000) $1,309 Avg Close — Range —
Q4 2016
Shares 52,004 Value ($000) $1,288 Avg Close — Range —
Q3 2016
Shares 55,574 Value ($000) $1,227 Avg Close — Range —
Q2 2016
Shares 54,659 Value ($000) $1,075 Avg Close — Range —
Q1 2016
Shares 72,563 Value ($000) $1,656 Avg Close — Range —
Q4 2015
Shares 66,518 Value ($000) $1,435 Avg Close — Range —
Q3 2015
Shares 64,183 Value ($000) $1,438 Avg Close — Range —
Q2 2015
Shares 62,022 Value ($000) $1,867 Avg Close — Range —
Q1 2015
Shares 42,617 Value ($000) $1,437 Avg Close — Range —
Q4 2014
Shares 39,207 Value ($000) $1,294 Avg Close — Range —
Q3 2014
Shares 37,387 Value ($000) $1,101 Avg Close — Range —
Q2 2014
Shares 38,687 Value ($000) $1,037 Avg Close — Range —
Q1 2014
Shares 21,049 Value ($000) $504 Avg Close — Range —
Q4 2013
Shares 22,079 Value ($000) $568 Avg Close — Range —
Q3 2013
Shares 22,679 Value ($000) $503 Avg Close — Range —
Q2 2013
Shares 22,160 Value ($000) $491 Avg Close — Range —