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NORTHWEST NAT GAS CO
NORTHWEST NAT GAS CO. Institutional holdings reported to the SEC.
2016Q4
2016Q3
2016Q2
2016Q1
2015Q4
2015Q3
2015Q2
2015Q1
2014Q4
2014Q3
2014Q2
2014Q1
Institutional Holders (2014Q3)
Normalized
Raw
