Blackrock has over 500 equity funds. 124 of those are US passive equity funds. 99 of those are US passive ETF's. Vaporwave is included in multiple passive Blackrock index funds. Dig deeper. The truth shall set you free.
You want to talk about interesting institutional holdings? Talk about Geode Capital Management. They are a hedge fund holding 2.25M shares. That's a holder that I would put more stock in than Vanguard and Blackrock's holdings.