Institutional investor

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An institutional investor is an entity that pools money to purchase securities, real property, and other investment assets or originate loans. Institutional investors include commercial banks, central banks, credit unions, government-linked companies, insurers, pension funds, sovereign wealth funds, charities, hedge funds, real estate investment trusts, investment advisors, endowments, and mutual funds. Operating companies which invest excess capital in these types of assets may also be included in the term. Activist institutional investors may also influence corporate governance by exercising voting rights in their investments. In 2019, the world's top 500 asset managers collectively managed $104.4 trillion in Assets under Management (AuM).^[1]

Institutional investors appear to be more sophisticated than retail investors, but it remains unclear if professional active investment managers can reliably enhance risk-adjusted returns by an amount that exceeds fees and expenses of investment management because of issues with limiting agency costs.^[2]: 4 Lending credence to doubts about active investors' ability to 'beat the market', passive index funds have gained traction with the rise of passive investors: the three biggest US asset managers together owned an average of 18% in the S&P 500 Index and together constituted the largest shareholder in 88% of the S&P 500 by 2015.^[3] The potential of institutional investors in infrastructure markets is increasingly noted after the financial crises in the early twenty-first century.^[4]