Apollo plans to sell 23.5 million shares priced between $16 to $18 per share and raising about $400 million. This would represent, it appears, about 12 percent of the voting shares. Apollo, TPG Funds, and Hong Kong based Genting would control 88% of voting shares.

More details:

http://dealbook.nytimes.com/2013/01/08/norwegian-cruise-sets-price-range-for-i-p-o/

Norwegian Cruise Lines IPO prices at $19.00 per share a dollar above expected top range:

http://dealbook.nytimes.com/2013/01/17/norwegian-cruise-line-prices-i-p-o-at-19-a-share/