LAS VEGAS, Nov. 27, 2018 /PRNewswire/ -- Southwest Gas Holdings, Inc. SWX (the "Company") today announced that it has priced an underwritten public offering of 3,100,000 shares of its common stock at a public offering price of $75.50 per share, for gross proceeds, before the underwriting discount and estimated expenses of the offering payable by the Company, of approximately $234.0 million.