Shares of Viper Energy were on a tear through late last year, but the story has since soured for the stock.On November 13, Michigan-based Nemes Rush Group disclosed it sold out its entire position in Viper Energy (VNOM +1.13%), reducing holdings by 319,503 shares worth an estimated $12.18 million.What HappenedAccording to a Securities and Exchange Commission (SEC) filing dated November 13, Nemes Rush Group sold all 319,503 shares of Viper Energy (VNOM +1.13%) during the third quarter. The estimated transact ...