I, personally, nonetheless would presume that the degree that institutions are acquiring and investing in bitcoin to b relatively low and small. I am basing my speculation on what I understand about institutions, whether publicly held or privately held and I would even consider governmental into the category of possible institutions that engage in varying practices regarding their public openness
This is what I think myself actually
There is no reason for big financial institutions to invest in Bitcoin big time this time, either secretly or overtly. Bitcoin, for the time being, is mostly a speculative asset and will likely remain that way in the foreseeable future anyway (even though we all want it to become a store of value, so-called digital gold), therefore the only way big investors are going to make money with Bitcoin is via buying it low and selling it high. But who are they going to sell it to at, say, 1M dollars per coin (as such is going to be the price after the institutional money enters the market) if not too many people are going to buy bitcoins at 5k now?