Warren Buffett acquired 662 Thousand Ameriprise Financial shares worth $324 Million. That's 0.13% of their equity portfolio (28th largest holding). The first Ameriprise Financial trade was made in Q3 2005. Since then Warren Buffett bought shares two more times and sold shares on six occasions. The stake costed the investor $36.1 Million, netting the investor a gain of 797% so far.