NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

RENAISSANCE TECHNOLOGIES LLC's Holding History (CIK: 0001037389)

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

Q3 2018
Shares 696,000 Value ($000) $46,562 Avg Close — Range —
Q2 2018
Shares 637,600 Value ($000) $40,679 Avg Close — Range —
Q1 2018
Shares 566,300 Value ($000) $32,647 Avg Close — Range —
Q4 2017
Shares 450,700 Value ($000) $26,884 Avg Close — Range —
Q3 2017
Shares 416,200 Value ($000) $26,803 Avg Close — Range —
Q2 2017
Shares 427,100 Value ($000) $25,562 Avg Close — Range —
Q1 2017
Shares 404,900 Value ($000) $23,930 Avg Close — Range —
Q4 2016
Shares 331,900 Value ($000) $19,848 Avg Close — Range —
Q3 2016
Shares 249,300 Value ($000) $14,985 Avg Close — Range —
Q2 2016
Shares 179,300 Value ($000) $11,622 Avg Close — Range —
Q1 2016
Shares 175,600 Value ($000) $9,456 Avg Close — Range —
Q4 2015
Shares 93,500 Value ($000) $4,732 Avg Close — Range —
Q3 2015
Shares 43,700 Value ($000) $2,003 Avg Close — Range —
Q2 2015
Shares 77,026 Value ($000) $3,249 Avg Close — Range —
Q1 2015
Shares 9,300 Value ($000) $446 Avg Close — Range —
Q2 2013
Shares 26,600 Value ($000) $1,130 Avg Close — Range —