There aren't a lot of market makers or automated trading firms throwing around several hundred billions on a single stock. These types of strategies usually don

There aren't a lot of market makers or automated trading firms throwing around several hundred billions on a single stock. These types of strategies usually don't scale well with size. Thats usually flows from hedge funds, family funds, pensions and large banks. And more retail presence in trading is playing a part in that too. Typically most of the things I described are not automated, though there might be more data science involved nowadays than say 30 years ago. You can probably confirm this yourself by looking at nvidias largest shareholders. I don't think Citadel or 2sigma is just sitting on tons of nvidia.