George Soros acquired 223 Thousand Cboe Global Markets shares worth $39.5 Million. That's 1.45% of their equity portfolio (15th largest holding). The first Cboe Global Markets trade was made in Q4 2010. Since then George Soros bought shares eight more times and sold shares on eight occasions. The stake costed the investor $28.5 Million, netting the investor a gain of 38% so far.