BlackRock IBIT has been on a Bitcoin buying spree, acquiring a total of 54,423 bitcoins over the past seven weeks, according to data from HODL15Capital. The investment firm purchased 15,177 bitcoins in the last two days alone. Last week, BlackRock IBIT added 15,121 bitcoins to its holdings, while two weeks ago, it bought 1,550 bitcoins. The firm acquired 7,500 bitcoins three weeks ago, 9,100 bitcoins four weeks ago, 3,750 bitcoins five weeks ago, and 2,225 bitcoins six weeks ago.