Ken Griffin acquired 5.65 Million United Airlines Holdings shares worth $448 Million. That's 0.46% of their equity portfolio (26th largest holding). The investor owns 1.85% of the outstanding United Airlines Holdings stock. The first United Airlines Holdings trade was made in Q2 2013. Since then Ken Griffin bought shares 59 more times and sold shares on 52 occasions. The stake costed the investor $298 Million, netting the investor a gain of 50% so far.