The Quantum Fund is a hedge fund co-founded by investor George Soros in 1973. It is known for its aggressive investment strategies and significant returns, particularly during the 1990s. The fund gained fame for its role in the 1992 currency crisis, where it made a substantial profit by short-selling the British pound. The Quantum Fund primarily invests in global markets, focusing on equities, currencies, and commodities. It employs a macroeconomic approach, analyzing economic trends and geopolitical events to inform its investment decisions. Over the years, the fund has attracted attention for its high-risk, high-reward investment philosophy.