How do foundations earn money, and what investments do they use?
Foundations, as entities dedicated to charitable or philanthropic purposes, require substantial and sustainable financial resources to fulfill their missions. The mechanisms by which they accumulate and manage their wealth are critical to their long-term viability and impact. Understanding how foundations generate income and the investment strategies they employ provides insights into their financial operations and the broader landscape of philanthropic finance.
The primary source of income for most foundations is their initial endowment, often derived from a substantial donation or bequest from a founder or benefactor. This endowment serves as a principal that is carefully managed and invested to generate returns that can be used for grantmaking and operational expenses. Unlike traditional businesses that rely on revenue from sales or services, foundations depend on investment income and, occasionally, fundraising activities to sustain their activities. Larger, well-established foundations typically have professionally managed endowments, while smaller foundations might rely on volunteer expertise or external financial advisors.
A significant portion of a foundation's revenue comes from investment returns. Foundations typically adopt a diversified investment strategy that aims to balance risk and return, ensuring both the preservation of the endowment's principal and the generation of sufficient income to support grantmaking. This diversification often includes a mix of asset classes, such as equities (stocks), fixed income (bonds), real estate, private equity, and alternative investments.

Equities, or stocks, represent ownership in publicly traded companies and offer the potential for higher returns compared to other asset classes. However, they also carry higher risk due to market volatility and economic fluctuations. Foundations may invest in a variety of equity strategies, including large-cap stocks, small-cap stocks, international stocks, and emerging market stocks, to further diversify their equity holdings. They may also invest in actively managed equity funds, where professional portfolio managers select stocks with the goal of outperforming a specific market index, or passively managed index funds, which aim to replicate the performance of a market index at a lower cost.
Fixed income investments, such as bonds, represent loans made to governments or corporations. Bonds generally offer lower returns than equities but provide a more stable income stream and lower risk. Foundations may invest in government bonds, corporate bonds, municipal bonds, and mortgage-backed securities to diversify their fixed income portfolio. The maturity and credit quality of bonds are carefully considered to manage interest rate risk and credit risk.
Real estate can offer both income and capital appreciation potential. Foundations may invest in direct real estate holdings, such as commercial properties or residential properties, or through real estate investment trusts (REITs), which are publicly traded companies that own and operate income-producing real estate. Real estate investments can provide diversification benefits due to their low correlation with other asset classes.
Private equity involves investments in companies that are not publicly traded. These investments can offer the potential for high returns but also carry significant risk and illiquidity. Foundations may invest in private equity funds that focus on venture capital, growth equity, or leveraged buyouts. Due to the illiquid nature of private equity investments, foundations typically allocate a smaller portion of their portfolio to this asset class.
Alternative investments encompass a wide range of investment strategies that do not fit neatly into the traditional asset classes of equities and fixed income. These may include hedge funds, commodities, infrastructure, and natural resources. Alternative investments can offer diversification benefits and the potential for higher returns, but they also carry higher fees and complexity. Foundations often rely on specialized investment managers to manage their alternative investment portfolios.
The specific asset allocation strategy of a foundation depends on several factors, including its risk tolerance, investment horizon, spending policy, and the size of its endowment. Foundations typically work with investment consultants or financial advisors to develop and implement their investment strategies. These advisors help them to determine the appropriate asset allocation, select investment managers, and monitor portfolio performance.
Endowment spending policies are crucial for ensuring the long-term sustainability of a foundation. These policies determine the amount of money that a foundation can spend each year on grantmaking and operations. A common spending rule is to distribute a fixed percentage of the endowment's value each year, typically around 4% to 5%. This spending rate is designed to allow the endowment to grow over time, keeping pace with inflation and supporting future grantmaking.
Some foundations are adopting more innovative investment strategies, such as impact investing, which seeks to generate both financial returns and positive social or environmental impact. Impact investments may include investments in renewable energy projects, affordable housing developments, or companies that are committed to sustainable business practices.
In addition to investment income, foundations may also generate revenue from other sources, such as program-related investments (PRIs) and fundraising activities. PRIs are investments that directly support a foundation's charitable mission, such as loans to nonprofit organizations or equity investments in social enterprises. Fundraising activities, such as donor appeals and special events, can also contribute to a foundation's revenue stream.
The financial health and stability of foundations are essential for their ability to address critical social and environmental challenges. By carefully managing their endowments and diversifying their investment portfolios, foundations can ensure that they have the resources to support their missions for generations to come. The evolution of investment strategies, including the growing interest in impact investing, reflects a broader trend toward aligning financial goals with social and environmental values. This ongoing evolution is vital for ensuring that foundations remain effective and impactful in a rapidly changing world. The meticulous management of resources allows for the consistent and impactful pursuit of philanthropic goals, ultimately contributing to a more equitable and sustainable future.