NORTHWEST NAT GAS CO

CUSIP: 667655104 Class: COM

O'SHAUGHNESSY ASSET MANAGEMENT, LLC's Holding History (CIK: 0001423442)

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

Q4 2017
Shares 740 Value ($000) $44 Avg Close — Range —
Q3 2017
Shares 857 Value ($000) $55 Avg Close — Range —
Q2 2017
Shares 834 Value ($000) $50 Avg Close — Range —
Q1 2017
Shares 763 Value ($000) $45 Avg Close — Range —
Q4 2016
Shares 285 Value ($000) $17 Avg Close — Range —
Q3 2016
Shares 189 Value ($000) $11 Avg Close — Range —
Q2 2016
Shares 57 Value ($000) $4 Avg Close — Range —
Q1 2016
Shares 693 Value ($000) $38 Avg Close — Range —
Q4 2015
Shares 1,801 Value ($000) $91 Avg Close — Range —
Q3 2015
Shares 2,113 Value ($000) $97 Avg Close — Range —
Q2 2015
Shares 1,085 Value ($000) $46 Avg Close — Range —
Q1 2015
Shares 1,209 Value ($000) $58 Avg Close — Range —
Q4 2014
Shares 87 Value ($000) $4 Avg Close — Range —
Q3 2014
Shares 53 Value ($000) $2 Avg Close — Range —