
Fund Overlap
Investment and mutual fund investment is one of the ways by which you can create wealth in the long term. It has been a common occurrence for investors to overlook one key element that can help their portfolio work: fund overlap.
Fund overlap refers to when various funds within an investor’s portfolio overlap with the shares they have, resulting in risk concentration and cancelling the benefit of diversification.
Understanding this notion is crucial to any investor who wishes to gain a diversified and stable investment approach. This article will explain how fund overlap influences diversification, how to calculate it, and how to manage and minimise its impact on an investment portfolio. By gaining a better understanding of fund overlap, investors can make more informed choices, optimise their asset allocation, and gain greater financial security.
Table of Contents
What is Fund Overlap? Definition and Key Concepts
Overlap of funds exists when two or more investment funds own the same securities.
This may occur when one firm manages multiple funds or when separate funds have similar objectives to invest in the same popular stocks.
Key Concepts of Fund Overlap
1. Diversification: Overlapping between funds can undermine diversification. If you hold several funds with high overlap, you might not be as diversified as you believe, as your funds could be concentrated in the same handful of stocks.
2. Risk: Too much overlap could raise risk. If those overlapping investments are bad performers, it could result in more significant losses in all the funds.
3. Performance: Occasionally, high-overlap funds can perform the same. This may not give you the advantages of owning different funds that invest in other sectors or approaches.
4. Evaluation: To verify for overlap, examine the top holdings of the funds you are researching or already own. Specific platforms and tools allow for comparison of these investments.
Understanding fund overlap can help you manage your investments successfully and have a well-balanced portfolio.
The Impact of Fund Overlap on Portfolio Diversification
Fund overlap can impact the extent to which your investment portfolio is diversified. When you invest in multiple funds, you might be diversifying your money across various companies and sectors. If the funds include a high concentration of the same stocks, you’re less diversified than you believe.
Overlapping investments imply that when some stocks perform well, they simultaneously increase the returns of several funds. In contrast, when the same stocks perform badly, all the funds decline in value simultaneously. This can result in larger losses if you have an entirely diversified portfolio of different investment types.
To diversify effectively, you must keep a close eye on what all of your funds invest in. If a number of funds are investing in the same equities, you may wish to rebalance your portfolio – perhaps by choosing funds that target other sectors or sectors. By doing this, you can assist in protecting your investments from the hazard of any one stock or portfolio of stocks doing poorly.
In short, fund overlap can introduce hidden risks that can diminish the effectiveness of your portfolio. By being aware of this aspect, you can strive for a more balanced and robust investment strategy.
Measuring Fund Overlap: Tools and Techniques
Measuring fund overlap entails evaluating how much the various investment funds overlap in what they hold in terms of assets. This is important for investors to prevent excessive concentration in similar investments, which raises the risk.
Tools such as portfolio analysis software can measure overlap by demonstrating the percentage overlap of similar assets among funds. This enables investors to determine if they are correctly diversifying their risks.
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It is also worth considering each fund’s investment objectives and management styles, as these impact performance. Being aware of overlap enables investors to make informed choices about diversifying their investments, which can increase financial security and possible returns.
Strategies to Manage and Mitigate Fund Overlap
To manage overlapping funds effectively, there are practical steps you can follow to ensure that your portfolio stays diversified and well-balanced. Here are some simple techniques you can consider:
- Periodically Check Your Portfolio: Habituate yourself into checking your investment portfolio occasionally. You can detect overlaps that may have crept into your holdings by monitoring your funds and the shares they own.
- Select Diverse Funds: In choosing funds, seek funds that invest in various investments. For instance, if you already have a stock fund, you can add a bond fund or one that invests in a diverse industry. Diversification avoids overlap.
- Leverage Investment Tool: Use internet-based tools and programs to analyse your portfolio. Most platforms can indicate how concentrated you are across your funds and where you’re most concentrated.
- Diversify by Investment Style: Besides investing across different sectors, think of combining different investing styles. For example, you can have actively managed funds and index funds, as they have different investment styles, which can assist in mitigating overlap.
- Establish Investment Objectives: Define precisely what you wish to accomplish with your investments. Such specificity can lead you to choose funds that serve your purposes and exclude those that could be incompatible, assisting in overlap management.
- Get advice from a Financial Advisor: Consulting a financial advisor is beneficial if you don’t know how to deal with fund overlap. They will offer personalised advice depending on your investment needs and economic situation.
- Invest in Overseas Funds: Including funds that invest overseas can provide additional diversification. In this manner, even if domestic stocks overlap, international exposure will give some risk aversion.
Using these strategies, you can efficiently minimise and manage fund overlap in your investment portfolio, thereby improving your financial stability and potential returns.
Case Studies: Real-World Examples of Fund Overlap and Diversification
In India, most investors purchase several mutual funds to invest their money. However, they may be unaware that some funds invest in similar companies or industries. This is referred to as “fund overlap.”
For example, you are not diversifying your investment if you invest in two mutual funds in large tech companies. Instead, you are investing heavily in the same business risk category.
To diversify, you’re looking for funds invested in different places. So, for instance, one fund might be invested in large-cap stocks (big companies) and another in small-cap stocks (small companies). If one of those is not performing well, your investment overall may be acceptable because other areas are performing well.
Another instance is diversifying your investment in various industries such as healthcare, consumer durables, and infrastructure. Diversification decreases the risk because various industries will behave differently in the market scenario.
Also, Check – How to build a healthy portfolio?
On a parting note…
Understanding and managing fund overlap is essential in keeping a well-diversified investment portfolio. Overlaps may sometimes be unintentional, but understanding their importance enables investors to take proactive measures for risk reduction.
By periodically checking your portfolio, choosing varied funds, using investment analysis tools, and mixing investment styles, you can make your portfolio more immune to market fluctuations. Having well-defined investment goals and consulting with a financial advisor can further tailor your strategy. In the end, a careful approach to fund duplication safeguards your investments and maximises your chances of realising long-term financial objectives.
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How does fund overlap impact diversification?
Excessive fund overlap can exacerbate the risk of diversification by having investments concentrated in a similar set of stocks.
What methods can be used to measure fund overlap?
Portfolio analysis software can calculate the degree of overlapping assets within varied funds.
How do I reduce fund overlap within my portfolio?
Consider reviewing your holdings periodically, selecting varied funds, and employing investment tools to track concentration levels.
Should I speak with a financial advisor regarding fund overlap?
Yes, a financial advisor can offer personal guidance on managing and minimising fund overlap efficiently.
Disclaimer – This article is for educational purposes only and does not intend to substitute expert guidance. Mutual fund investments are subject to market risks. Please read the scheme-related document carefully before investing.

Assistant Vice President – Research & Analysis
Akash Gupta heads the Research & Analysis department at BFC CAPITAL, where he combines in-depth market insights with strategic analysis. He holds multiple certifications, including:
- NISM-Series-XIII: Common Derivatives Certification
- NISM-Series-VIII: Equity Derivatives Certification
- NISM-Series-XXI-A: Portfolio Management Services Certification
- IRDAI Certification
With his expertise in equity, derivatives, and portfolio management, Akash plays a key role in providing research-backed strategies and actionable insights to help clients navigate the investment landscape.