Warren Buffett acquired 12.8 Million Verisign shares worth $2.12 Billion. That's 0.7% of their equity portfolio (16th largest holding). The investor owns 11.75% of the outstanding Verisign stock. Warren Buffett started to build up the position in Verisign in Q4 2012 and continued to invest until Q2 2014. Since then they sold 169 Thousand shares. The stake costed the investor $578 Million, netting the investor a gain of 266% so far.