Donald Yacktman acquired 1.19 Million Corning shares worth $39.1 Million. That's 0.34% of their equity portfolio (46th largest holding). The first Corning trade was made in Q3 2010. Since then Donald Yacktman bought shares seventeen more times and sold shares on 30 occasions. The stake costed the investor $17.9 Million, netting the investor a gain of 118% so far.