Navigator Holdings, which owns and operates the world's largest fleet of handysize liquefied gas carriers, raised $228 million by offering 12 million shares (2.97 million from insiders) at $19, the high end of the $17-$19 range. The company had initially planned to sell 11.3 million shares; all of the added shares were primary. Navigator Holdings plans to list on the NYSE under the symbol NVGS. Jefferies and Morgan Stanley acted as lead managers on the deal.