(Bloomberg) -- Sovos Brands Inc., the owner of Rao’s Homemade pasta sauces, as well as online jeweler Brilliant Earth Group Inc. launched roadshows for their U.S. initial public offering on Tuesday, joining a post-Labor Day listings rush. Sovos Brands, backed by private equity firm Advent International, is seeking to raise as much as $373 million in its IPO. The company plans to sell 23.3 million shares for $14 to $16 apiece, its filing with the U.S. Securities and Exchange Commission shows.