I feel like Facebook's libra has a lot to do with this bull-run. They are getting institutional investors to look at crypto.
On the contrary I don't think Facebook Libra has that LOTS to do with this bull-run. Though it opens up cryptocurrency to masses, but one thing they are not advertising Bitcoin but their own Libra coins. As far as institution is involved, I think they are already aware of Bitcoin even before facebook get involve with blockchain and cryptocurrency thing. I believe the surge in price has something to do with this :