NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

Arizona State Retirement System's Holding History (CIK: 0001558481)

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

Q2 2018
Shares 41,901 Value ($000) $2,673 Avg Close — Range —
Q1 2018
Shares 45,359 Value ($000) $2,615 Avg Close — Range —
Q4 2017
Shares 48,259 Value ($000) $2,879 Avg Close — Range —
Q3 2017
Shares 14,840 Value ($000) $956 Avg Close — Range —
Q2 2017
Shares 14,940 Value ($000) $894 Avg Close — Range —
Q1 2017
Shares 14,940 Value ($000) $883 Avg Close — Range —
Q4 2016
Shares 14,740 Value ($000) $881 Avg Close — Range —
Q3 2016
Shares 14,240 Value ($000) $856 Avg Close — Range —
Q2 2016
Shares 14,240 Value ($000) $923 Avg Close — Range —
Q1 2016
Shares 14,040 Value ($000) $756 Avg Close — Range —
Q4 2015
Shares 13,640 Value ($000) $690 Avg Close — Range —
Q3 2015
Shares 13,140 Value ($000) $602 Avg Close — Range —
Q4 2014
Shares 18,991 Value ($000) $947 Avg Close — Range —
Q3 2014
Shares 18,891 Value ($000) $798 Avg Close — Range —
Q2 2014
Shares 19,191 Value ($000) $904 Avg Close — Range —
Q1 2014
Shares 18,991 Value ($000) $835 Avg Close — Range —
Q4 2013
Shares 21,491 Value ($000) $920 Avg Close — Range —
Q3 2013
Shares 24,091 Value ($000) $1,011 Avg Close — Range —
Q2 2013
Shares 24,291 Value ($000) $1,031 Avg Close — Range —
Q1 2013
Shares 24,191 Value ($000) $1,060 Avg Close — Range —