IBM Retirement Fund is a privately owned investment manager. IBM Retirement Fund is a corporate pension fund with approximately $90 billion in assets under management. The firm invests in the public equity, fixed income, and alternative markets of the United States. It also invests in private equity, venture capital, mezzanine, and real estate opportunities. The firm also acts as a limited partner for various investment vehicles. It typically commits a minimum of $25 million per partnership. The firm prefers to allocate a maximum of 10% to alternative investments. IBM Retirement Fund was founded in 1983 is based in Stamford, Connecticut.