NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

FIRST TRUST ADVISORS LP's Holding History (CIK: 0001125816)

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

Q3 2018
Shares 342,315 Value ($000) $22,216 Avg Close — Range —
Q2 2018
Shares 331,254 Value ($000) $21,134 Avg Close — Range —
Q1 2018
Shares 429,458 Value ($000) $24,758 Avg Close — Range —
Q4 2017
Shares 403,053 Value ($000) $24,042 Avg Close — Range —
Q3 2017
Shares 335,560 Value ($000) $21,610 Avg Close — Range —
Q2 2017
Shares 368,087 Value ($000) $22,030 Avg Close — Range —
Q1 2017
Shares 323,114 Value ($000) $19,096 Avg Close — Range —
Q4 2016
Shares 272,794 Value ($000) $16,313 Avg Close — Range —
Q3 2016
Shares 242,930 Value ($000) $14,603 Avg Close — Range —
Q2 2016
Shares 211,415 Value ($000) $13,704 Avg Close — Range —
Q1 2016
Shares 211,753 Value ($000) $11,403 Avg Close — Range —
Q4 2015
Shares 168,672 Value ($000) $8,536 Avg Close — Range —
Q3 2015
Shares 197,431 Value ($000) $9,050 Avg Close — Range —
Q2 2015
Shares 202,507 Value ($000) $8,542 Avg Close — Range —
Q1 2015
Shares 171,247 Value ($000) $8,211 Avg Close — Range —
Q4 2014
Shares 174,535 Value ($000) $8,709 Avg Close — Range —
Q3 2014
Shares 179,517 Value ($000) $7,585 Avg Close — Range —
Q2 2014
Shares 157,871 Value ($000) $7,444 Avg Close — Range —
Q1 2014
Shares 164,246 Value ($000) $7,228 Avg Close — Range —
Q4 2013
Shares 163,140 Value ($000) $6,986 Avg Close — Range —
Q3 2013
Shares 143,894 Value ($000) $6,041 Avg Close — Range —
Q2 2013
Shares 127,327 Value ($000) $5,409 Avg Close — Range —