When nearly a third of a portfolio concentrates into one bruised stock, it usually signals a view that most investors are still too early to share.On November 12, Hong Kong-based Athos Capital disclosed a new position in KE Holdings (BEKE +0.66%), revealing it acquired 2.5 million shares in a transaction estimated at $47.5 million.What HappenedAccording to a filing with the U.S. Securities and Exchange Commission (SEC) dated November 12, Athos Capital established a new stake in KE Holdings (BEKE +0.66%), pu ...