NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

PDT Partners, LLC's Holding History (CIK: 0001564702)

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

Q3 2018
Shares 14,421 Value ($000) $965 Avg Close — Range —
Q2 2018
Shares 18,337 Value ($000) $1,170 Avg Close — Range —
Q1 2018
Shares 18,000 Value ($000) $1,038 Avg Close — Range —
Q4 2017
Shares 13,708 Value ($000) $818 Avg Close — Range —
Q3 2017
Shares 19,790 Value ($000) $1,274 Avg Close — Range —
Q2 2017
Shares 19,969 Value ($000) $1,195 Avg Close — Range —
Q1 2017
Shares 19,700 Value ($000) $1,164 Avg Close — Range —
Q4 2016
Shares 19,700 Value ($000) $1,178 Avg Close — Range —
Q3 2016
Shares 22,700 Value ($000) $1,364 Avg Close — Range —
Q2 2016
Shares 22,700 Value ($000) $1,471 Avg Close — Range —
Q3 2015
Shares 4,895 Value ($000) $224 Avg Close — Range —
Q2 2015
Shares 12,773 Value ($000) $539 Avg Close — Range —
Q1 2015
Shares 11,562 Value ($000) $554 Avg Close — Range —
Q3 2014
Shares 22,244 Value ($000) $940 Avg Close — Range —
Q2 2013
Shares 6,303 Value ($000) $268 Avg Close — Range —