Mutual funds

Why You Shouldn’t Have Too Many Mutual Funds in Your Portfolio

Financial Planning, Mutual Funds Sep 11, 2023 1 Comment


Diversification is a fundamental principle in investment management. It helps mitigate risk and maximize returns by spreading investments across various asset classes. Mutual funds have long been a popular choice for investors seeking diversification without the hassle of managing individual stocks. However, there is a fine line between diversification and over-diversification. In this article, we will explore the potential pitfalls of having too many mutual funds in your portfolio and why quality should take precedence over quantity.

1. Increased Complexity and Time Commitment:

Managing a portfolio with an excessive number of mutual funds can quickly become overwhelming. Each fund has its own investment objectives, strategies, and performance metrics. Trying to stay abreast of the market dynamics, fund expenses, and managerial changes for a large number of funds can be time-consuming and mentally taxing. Investors may find it difficult to analyze and evaluate the true performance of each fund, resulting in suboptimal decision-making.

2. Higher Costs and Fees:

Mutual funds charge fees to cover administrative expenses, management costs, and other operational expenses. While these fees may seem insignificant on an individual basis, they can accumulate significantly when you have a large number of funds in your portfolio. Excessive fees can eat into your overall returns and erode the value of your investment over time. Moreover, managing multiple funds may also lead to duplicative expenses, such as transaction costs, custodial fees, and advisor fees, which further diminish your net returns.

3. Limited Benefits of Diversification:

While diversification is essential, adding too many mutual funds to your portfolio can dilute its potential benefits. At a certain point, the additional diversification achieved by adding more funds becomes negligible. Over time, the performance of multiple funds may converge, resulting in a portfolio that closely resembles the overall market. This eliminates the potential for outperformance and reduces the value of active management, particularly if the funds overlap in their holdings.

4. Increased Risk of Overlapping Holdings:

When you invest in multiple mutual funds, there is a higher likelihood of overlapping holdings. Funds managed by different asset management companies may still hold similar stocks or sectors, leading to a false sense of diversification. This overlap increases the risk of concentration in certain areas, leaving your portfolio vulnerable to sector-specific downturns or market fluctuations. It is important to conduct thorough research and due diligence to ensure that the funds you choose complement each other and provide genuine diversification.

5. Lack of Control and Accountability:

Having too many mutual funds can also limit your control over your investments. With a larger number of funds, it becomes challenging to actively monitor and adjust your portfolio to align with your changing financial goals or market conditions. You may be subject to the decisions and strategies of multiple fund managers, some of whom may not consistently deliver desirable results. Additionally, the more funds you have, the less you can hold each manager accountable for their performance.

6. Excessive Overlapping:

One of the main pitfalls of holding too many mutual funds is excessive overlapping. Many mutual funds tend to have similar holdings, especially when they belong to the same asset class or sector. Overlapping occurs when multiple funds hold the same stocks or bonds, leading to duplication of investments. Consequently, this redundancy undermines the benefits of diversification, as you may inadvertently increase exposure to specific securities or sectors without realizing it.


While diversification through mutual funds is a wise strategy, it is crucial to strike a balance between diversification and over-diversification. Owning too many mutual funds can lead to increased complexity, higher costs, overlapping holdings, limited benefits of diversification, and a loss of control over your investments. Instead, investors should focus on carefully selecting a smaller number of high-quality funds that align with their investment objectives and risk tolerance. By doing so, you can streamline your portfolio management, enhance transparency, and maximize the potential for long-term investment success.

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