Ken Griffin acquired 5 Berkshire Hathaway shares worth $3.05 Million. That's 0.00% of their equity portfolio (1912th largest holding). The first Berkshire Hathaway trade was made in Q3 2013. Since then Ken Griffin bought shares sixteen more times and sold shares on eighteen occasions. The stake costed the investor $2.97 Million, netting the investor a gain of 2.9% so far.