David Einhorn acquired 250 Thousand Aercap Holdings N.V. shares worth $24 Million. That's 0.97% of their equity portfolio (20th largest holding). The first Aercap Holdings N.V. trade was made in Q4 2008. Since then David Einhorn bought shares fourteen more times and sold shares on sixteen occasions. The stake costed the investor $16.5 Million, netting the investor a gain of 45% so far.