Aside from the fact that he's been aggressively donating his personal assets to philanthropy rather than accumulating them in recent years, it's very difficult to beat the S&P when you're talking about tens of billions of dollars.
At that scale, the S&P isn't even a good benchmark, because it's not like a single investor can just dump that much in an index fund or even in the underlying companies directly.
At that scale, the S&P isn't even a good benchmark, because it's not like a single investor can just dump that much in an index fund or even in the underlying companies directly.