Donald Yacktman's position in Microsoft is currently worth $545 Million. That's 5.39% of their entire equity portfolio (3rd largest holding). The first Microsoft trade was made in Q1 2003. Since then Donald Yacktman bought shares 27 more times and sold shares on 45 occasions. The stake costed the investor $54.4 Million, netting the investor a gain of 902% so far.