Riot Blockchain is a publicly traded company focusing on Bitcoin mining. The bulk of their Bitcoin treasury was not purchased, but mined by them directly. Riot is growing at a rapid pace, with 7,500 more S19 Pros scheduled for deployment by the end of June 2021.
When Fortress launched on the NYSE in February 2007, it was the first large private equity firm in the US to be traded publicly.   As of June 30, 2020, the firm manages approximately $45.5 billion alternative assets in private equity, liquid hedge funds and credit funds.