A sovereign wealth funds (SWFs) is a state-owned investment fund composed of financial assets such as stocks, bonds, property, precious metals or other financial instruments. Its invest globally and have been around for decades but since 2000, the number of sovereign wealth funds has increased dramatically. This article try to understand what is SWFs, Why does a nation need SWFs, and try to understand the position of SWFs in the global financial market. Key words: sovereign wealth funds and global financial marke