lackRock and its competitors are not beneficial owners, of course; they run index funds that invest in everything and also offer active management through pooled funds and on behalf of large institutional investors, such as endowments and pension funds. Some of these institutions are large direct investors in equities; organisations such as Norges Bank Investment Management, which manages the more than trillion-dollar sovereign wealth fund of Norway, and Calpers, which funds the pensions of California’s public employees.
They have meetings that probably aren’t dissimilar to that one scene in Spectre https://youtu.be/o8wvQkZkxyQ
I found a YouTube link in your comment. Here are links to the same video on alternative frontends that protect your privacy:
