David Einhorn acquired 1.09 Million Ameriprise Financial shares worth $461 Million. That's 22.47% of their entire equity portfolio (2nd largest holding). The investor owns 1.11% of the outstanding Ameriprise Financial stock. The first Ameriprise Financial trade was made in Q3 2005. Since then David Einhorn bought shares six more times and sold shares on four occasions. The stake costed the investor $59.5 Million, netting the investor a gain of 674% so far.