Home › NORTHWEST NATURAL HOLDING CO. › Profile NORTHWEST NATURAL HOLDING CO. OverviewQuotesChartSignalsNewsAnalysesWarrantsProfileWall - USD (-) - 15 min delayed data - NYSE Stocks Open: - Change: - Volume: - Low: - High: - High / Low range: - Type: Stocks Ticker: NWN ISIN: Overview Quotes Chart Signals News Analyses Warrants Profile Wall More information about NORTHWEST NATURAL HOLDING CO. Type: Stocks Sector: Utilities Ticker: NWN ISIN: https://www.nwnatural.com/ About Twitter NORTHWEST NATURAL HOLDING CO.