Ken Griffin's position in Antero Midstream is currently worth $6.23 Million. That's 0.01% of their equity portfolio (1441st largest holding). The first Antero Midstream trade was made in Q1 2019. Since then Ken Griffin bought shares 34 more times and sold shares on 33 occasions. The stake costed the investor $3.37 Million, netting the investor a gain of 85% so far.