For big whales like that it is nearly gaurenteed profit even if he only holds for a couple of days or weeks. How much he will still have in years to come will be interesting.
Indeed. I wish I could have that much money.
Also article says "He also pointed out that he has invested in multiple cryptocurrencies other than Bitcoin. Some of them are Theta, Ontology (ONT), Cortex (CTXC), ArcBlock (ABT), Zipper (ZIP), YeeCall (YEE), Dxchain (DXC), Charter (CAF). Some of these have brought him huge returns while some are still bleeding money."
So, I'm sure he definitely made a lot of profit.