PIONEER NAT RES CO

CUSIP: 723787107 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q1 2017
Shares 6,111 Value ($000) $1,138 Avg Close — Range —
Q4 2016
Shares 6,083 Value ($000) $1,095 Avg Close — Range —
Q3 2016
Shares 6,141 Value ($000) $1,140 Avg Close — Range —
Q2 2016
Shares 5,976 Value ($000) $904 Avg Close — Range —
Q1 2016
Shares 16,512 Value ($000) $2,324 Avg Close — Range —
Q4 2015
Shares 13,655 Value ($000) $1,712 Avg Close — Range —