NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q3 2018
Shares 59,551 Value ($000) $3,984 Avg Close — Range —
Q2 2018
Shares 63,801 Value ($000) $4,070 Avg Close — Range —
Q1 2018
Shares 46,424 Value ($000) $2,676 Avg Close — Range —
Q4 2017
Shares 50,052 Value ($000) $2,985 Avg Close — Range —
Q3 2017
Shares 5,915 Value ($000) $381 Avg Close — Range —
Q2 2016
Shares 52,155 Value ($000) $3,381 Avg Close — Range —
Q1 2016
Shares 88,986 Value ($000) $4,792 Avg Close — Range —
Q4 2015
Shares 61,771 Value ($000) $3,126 Avg Close — Range —
Q3 2015
Shares 62,087 Value ($000) $2,846 Avg Close — Range —
Q2 2015
Shares 62,955 Value ($000) $2,655 Avg Close — Range —
Q1 2015
Shares 160,415 Value ($000) $7,692 Avg Close — Range —
Q4 2014
Shares 190,611 Value ($000) $9,512 Avg Close — Range —
Q3 2014
Shares 189,819 Value ($000) $8,020 Avg Close — Range —
Q2 2014
Shares 185,530 Value ($000) $8,748 Avg Close — Range —
Q1 2014
Shares 187,718 Value ($000) $8,261 Avg Close — Range —
Q4 2013
Shares 170,718 Value ($000) $7,311 Avg Close — Range —
Q3 2013
Shares 177,549 Value ($000) $7,453 Avg Close — Range —
Q2 2013
Shares 234,089 Value ($000) $9,944 Avg Close — Range —