> a stock picker who only takes their fee from how much better their fund does vs the S&P 500. What funds have that fee structure? Genuine question: I hadn't h

> a stock picker who only takes their fee from how much better their fund does vs the S&P 500. What funds have that fee structure? Genuine question: I hadn't heard of any, but it intuitively seems "fairer" than the conventional two and twenty.