You can see pretty well all the movements: 1P5ZEDWTKTFGxQjZphgWPQUpe554WKDfHQ>1FzWLkAahHooV3kzTgyx6qsswXJ6sCXkSR>1LQoWist8KkaUXSPKZHNvEyfrEkPHzSsCd
And no, that's no new whale and no older whale, that's Coinbase (the company) wallet and they are just moving funds to a new adress.
Taking a look at the amount and without even reading your reply, I automatically thought it was either an exchange, or some sort of hedge fund. Like, what are the chances that a multi-billionaire just right out buys $3b in bitcoin? Quite low.