Wow, it's a big move, definitely from the whales.  200000 BTC is not a small fund it's a very huge and a huge fund in today's time where BTC is trading above $40k and moving this fund to coinbase will come in the eyes of everyone.  I don't think that someone will do such a big transfer.  We will not believe your post until you edit your post and provide the source from where you can get this news so that we will confirm it.  You are a newbie if you don't know then I can tell you that when posting a new like this a every type you have to provide the link so that others can find it easily and confirm it.  We are looking for your response when you add the source link.