NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

STATE STREET CORP's Holding History (CIK: 0000093751)

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

Q3 2018
Shares 825,648 Value ($000) $55,236 Avg Close — Range —
Q2 2018
Shares 775,225 Value ($000) $49,459 Avg Close — Range —
Q1 2018
Shares 754,571 Value ($000) $43,501 Avg Close — Range —
Q4 2017
Shares 780,975 Value ($000) $46,581 Avg Close — Range —
Q3 2017
Shares 744,317 Value ($000) $47,940 Avg Close — Range —
Q2 2017
Shares 736,047 Value ($000) $44,053 Avg Close — Range —
Q1 2017
Shares 700,195 Value ($000) $41,379 Avg Close — Range —
Q4 2016
Shares 667,480 Value ($000) $39,918 Avg Close — Range —
Q3 2016
Shares 592,974 Value ($000) $35,638 Avg Close — Range —
Q2 2016
Shares 575,076 Value ($000) $37,277 Avg Close — Range —
Q1 2016
Shares 589,585 Value ($000) $31,750 Avg Close — Range —
Q4 2015
Shares 629,934 Value ($000) $31,877 Avg Close — Range —
Q3 2015
Shares 612,749 Value ($000) $28,092 Avg Close — Range —
Q2 2015
Shares 615,067 Value ($000) $25,943 Avg Close — Range —
Q1 2015
Shares 603,914 Value ($000) $28,961 Avg Close — Range —
Q4 2014
Shares 596,225 Value ($000) $29,758 Avg Close — Range —
Q3 2014
Shares 590,045 Value ($000) $24,933 Avg Close — Range —
Q2 2014
Shares 660,060 Value ($000) $31,121 Avg Close — Range —
Q1 2014
Shares 651,484 Value ($000) $28,671 Avg Close — Range —
Q4 2013
Shares 630,718 Value ($000) $27,008 Avg Close — Range —
Q3 2013
Shares 633,264 Value ($000) $26,587 Avg Close — Range —
Q2 2013
Shares 568,809 Value ($000) $24,160 Avg Close — Range —