What do billionaires invest in?
Short answer
Their own companies first, then real estate, private companies and funds. Many run a family office to manage it.
What Billionaires Told Us

“Look, real estate is a hard thing to invest in. No matter how good an operator you are, you’re only so good.”

“From there I invested in multiple billion dollar companies that became $100 billion companies. This happened in inflection point areas such as biosimilars, mRNA, DNA, AI, etc.”