How much Ethereum does Vitalik Buterin own

We see that Ethereum price is in a low postion and we see also that it is unstable. Of course this coin try to grow but it is still very difficult process. That’s why I am trying to find some characteristics, any tools to predict the strategy of Ethereum development. What is your opinion how much Ethereum coins does Vitalik Buterin own? Looking on the falling Ethereum I don’t think that it is a big part of total number. It is not looks like Ethereum is influenced by any powerful hand. What do you mind about it, how much? Let’s discuss the matter.