NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

BNP PARIBAS ARBITRAGE, SA's Holding History (CIK: 0001166588)

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

Q2 2018
Shares 11,216 Value ($000) $715,581 Avg Close — Range —
Q1 2018
Shares 17,369 Value ($000) $1,001,323 Avg Close — Range —
Q4 2017
Shares 23,300 Value ($000) $1,389,845 Avg Close — Range —
Q3 2017
Shares 16,090 Value ($000) $1,036,196 Avg Close — Range —
Q2 2017
Shares 11,789 Value ($000) $705,572 Avg Close — Range —
Q1 2017
Shares 8,174 Value ($000) $483,083 Avg Close — Range —
Q4 2016
Shares 9,356 Value ($000) $559,489 Avg Close — Range —
Q3 2016
Shares 5,046 Value ($000) $303,315 Avg Close — Range —
Q2 2016
Shares 9,398 Value ($000) $609,178 Avg Close — Range —
Q1 2016
Shares 4,957 Value ($000) $266,934 Avg Close — Range —
Q4 2015
Shares 3,387 Value ($000) $171,416 Avg Close — Range —
Q3 2015
Shares 7,496 Value ($000) $343,617 Avg Close — Range —
Q2 2015
Shares 6,615 Value ($000) $279,021 Avg Close — Range —
Q1 2015
Shares 5,363 Value ($000) $257,156 Avg Close — Range —
Q4 2014
Shares 3,006 Value ($000) $149,999 Avg Close — Range —
Q3 2014
Shares 4,660 Value ($000) $196,885 Avg Close — Range —
Q2 2014
Shares 38 Value ($000) $1,792 Avg Close — Range —
Q4 2013
Shares 350 Value ($000) $14,987 Avg Close — Range —
Q3 2013
Shares 7,446 Value ($000) $312,583 Avg Close — Range —
Q2 2013
Shares 9,397 Value ($000) $399,185 Avg Close — Range —