Bitcoin address 3Cbq7aT1tY8kMxWLbitaG7yT6bPbKChq64 purchased $344 million worth at an average of $8,400 from 2/09/18 through 02/12/18 - then, doubled down adding nearly 41,000 coins for a new total of 96,000 coins worth around $900,000,000 at today’s price ($9,400).