Key Points The asset management firm acquired 510,000 shares of Antero Midstream in the third quarter. The transaction represents about 1.94% of reported 13F AUM. The shares were worth about $9.91 million at quarter-end. These 10 stocks could mint the next wave of millionaires › New York City-based Ripple Effect Asset Management disclosed a new position in Antero Midstream Corporation (NYSE:AM), acquiring 510,000 shares valued at approximately $9.91 million, according to its November 14 SEC filin ...