North Asia-focused private equity firm MBK Partners has reached a final close for its fourth fund with US$4.1 billion in commitments. Investors in the fund include Ontario Teachers’ Pension Plan, Canada Pension Plan Investment Board, Singapore-based sovereign wealth fund Temasek Holdings and China-based sovereign wealth fund China Investment Corporation. The New Jersey Division of Investment reportedly committed US$100 million to the fund, while the Teachers’ Retirement System of the State of Illinois committed US$150 million. MBK Partners focuses on management-led buyouts in South Korea, Japan and China.