NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

HENNESSY ADVISORS INC's Holding History (CIK: 0001145255)

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

Q3 2018
Shares 156,803 Value ($000) $10,490 Avg Close — Range —
Q2 2018
Shares 161,803 Value ($000) $10,323 Avg Close — Range —
Q1 2018
Shares 188,803 Value ($000) $10,884 Avg Close — Range —
Q4 2017
Shares 215,303 Value ($000) $12,843 Avg Close — Range —
Q3 2017
Shares 224,303 Value ($000) $14,445 Avg Close — Range —
Q2 2017
Shares 235,303 Value ($000) $14,083 Avg Close — Range —
Q1 2017
Shares 241,403 Value ($000) $14,267 Avg Close — Range —
Q4 2016
Shares 236,286 Value ($000) $14,130 Avg Close — Range —
Q3 2016
Shares 234,286 Value ($000) $14,083 Avg Close — Range —
Q2 2016
Shares 207,286 Value ($000) $13,436 Avg Close — Range —
Q1 2016
Shares 205,786 Value ($000) $11,082 Avg Close — Range —
Q4 2015
Shares 223,700 Value ($000) $11,321 Avg Close — Range —
Q3 2015
Shares 256,951 Value ($000) $11,779 Avg Close — Range —
Q2 2015
Shares 309,951 Value ($000) $13,074 Avg Close — Range —
Q1 2015
Shares 307,951 Value ($000) $14,766 Avg Close — Range —
Q4 2014
Shares 307,951 Value ($000) $15,367 Avg Close — Range —
Q3 2014
Shares 311,865 Value ($000) $13,176 Avg Close — Range —
Q2 2014
Shares 260,568 Value ($000) $12,286 Avg Close — Range —
Q1 2014
Shares 228,594 Value ($000) $10,060 Avg Close — Range —
Q4 2013
Shares 201,694 Value ($000) $8,637 Avg Close — Range —
Q3 2013
Shares 171,564 Value ($000) $7,202 Avg Close — Range —
Q2 2013
Shares 161,564 Value ($000) $6,863 Avg Close — Range —