![Amaranth collapsed in September 2006 after bad multibillion-dollar bets on natural gas](https://assets.fnlondon.com/2015/12/IMG009003_full4x3.jpg)
Amaranth Advisors was one of the biggest hedge fund blowups in history. Now, the fallen fund is approaching a new milestone: a decade-long wait to give investors back what remains of their money.
When Amaranth collapsed in September 2006 after bad multibillion-dollar bets on natural gas, investors were told redemptions would be temporarily suspended for two months.