What is your definition of a whale? How many BTCs do you need to have to be a whale?
Whales are also traders that has a huge amount of money, it is huge that in fact it can change the current price of a certain coin. It can either make the market down or up any time they want. Whales are huge investors, and there are a lot of whales, we cannot tell how many whales are out there trading, manipulating or playing around the market.