Institutions have already been adopting bitcoin and even though they would not come out to start telling everyone we are in, but definitely I am so certain that institutions are here already.
Yes, we may not have seen them in a huge magnitude yet, as that would take some regulations to see that happen, but from what we have been seeing lately with a whole lot of them coming up with some products and showing their peak interest, they know the benefit that lies and they are so ready to tap hugely from it.