Hero insight: You like the sector. How much exposure do you already have?

India’s investment landscape is constantly evolving. From banking and infrastructure to manufacturing, defence, technology and healthcare, different sectors attract investor attention as economic opportunities develop.

When a sector becomes part of a compelling growth story, investors may look for mutual funds designed to capture that opportunity.

Sectoral and thematic mutual funds provide a way to invest in businesses associated with specific industries or investment themes.

But an attractive investment theme does not automatically make a suitable investment.

An investor may already have significant exposure to banking through large-cap or diversified equity funds. Adding a banking sector fund could increase concentration rather than improve diversification.

This raises an important question:

Before investing in the next promising sector, have you checked how much of that sector your existing portfolio already owns?

Understanding thematic fund concentration, portfolio overlap, valuations and investment suitability can help investors make better-informed decisions.

What Happened? Sector Stories Are Influencing Mutual Fund Decisions

India’s mutual fund industry continues to attract substantial investor participation.

According to the Association of Mutual Funds in India (AMFI), equity-oriented mutual funds recorded net inflows of approximately ₹38,307 crore in September 2026.

Interest in equity investing reflects a broad market trend, but investors should not confuse industry participation with the suitability of an individual investment theme.

Themes such as manufacturing, financial services, infrastructure, energy transition and technology can attract attention because they are connected with long-term economic developments.

However, even a sector with favourable business prospects can experience poor stock-market performance if valuations are excessive, earnings disappoint or expectations change.

The investment question is not just whether a sector has growth potential. It is whether the opportunity is appropriately priced and suitable for the investor’s existing portfolio.

What Are Thematic Mutual Funds?

A thematic mutual fund invests in companies associated with a particular investment theme.

Unlike a diversified equity mutual fund, which may invest across a broad range of businesses, a thematic fund focuses on companies connected to a defined economic trend or investment idea.

For example, a manufacturing theme may include businesses involved in industrial equipment, capital goods, automation and related activities.

A financial services theme may include banks, insurance companies and other financial businesses.

Under SEBI’s February 2026 scheme-categorisation framework, thematic equity funds must invest at least 80% of their total assets in equity and equity-related instruments associated with the chosen theme.

This means that a thematic fund operates within a defined investment universe.

While this provides focused exposure, it can also limit the fund manager’s ability to move into unrelated sectors when the theme faces difficulties.

Sectoral vs Thematic Mutual Funds: What Is the Difference?

Although the terms are sometimes used together, sectoral and thematic mutual funds are not identical.

AMFI explains that thematic funds can provide broader exposure than a single-sector fund, but both remain subject to risks linked to their investment focus.

A thematic fund should therefore not be assumed to offer the same diversification as a broad-market equity fund.

1. Check Your Existing Sector Exposure Before Investing

This is one of the most important steps in evaluating a thematic mutual fund.

Many investors hold multiple schemes without examining their underlying investments.

For example, an investor may have SIPs in a large-cap fund, a flexi-cap fund and a diversified equity fund.

All three could already hold substantial positions in major private-sector banks.

If the investor then purchases a banking sector fund, the total banking exposure may rise considerably.

The portfolio may appear diversified because it contains several mutual fund schemes, but the underlying holdings may be concentrated in the same companies.

An illustrative portfolio example

Assume an investor has a ₹20 lakh equity mutual fund portfolio.

The investor’s banking exposure has increased from 25% to 40% of the expanded portfolio.

This could be appropriate for some investment strategies, but it represents a meaningful increase in sector concentration.

The key lesson: Count your underlying exposure, not just your fund names.

2. Understand the Risks of Sector Concentration

Thematic funds may offer exposure to emerging economic opportunities, but their performance can be highly sensitive to developments affecting the chosen theme.

A banking-focused fund may be influenced by credit growth, interest rates, asset quality and regulatory changes.

An infrastructure-focused fund may depend on capital expenditure, project execution and government spending.

A technology-focused fund may be influenced by global demand, business spending and changes in innovation cycles.

These risks can affect several companies in the portfolio simultaneously.

Unlike broader diversified funds, thematic schemes have a more limited investment universe and may experience pronounced periods of underperformance.

AMFI identifies market volatility and the potential for loss of principal as important equity mutual fund risks.

A strong sector story cannot eliminate these risks.

3. Check Whether the Theme Is Already Reflected in Stock Prices

A company can operate in a high-growth industry and still deliver disappointing investment returns.

This happens when investors pay a price that already assumes substantial future growth.

Consider an industry expected to benefit from significant capital investment over the coming years.

As interest increases, share prices of companies linked to that industry may rise rapidly.

If earnings growth fails to meet those expectations, valuations could decline even while the broader industry continues to expand.

Investors should therefore distinguish between three questions:

• Is the sector likely to grow?

• Are the companies within the theme financially strong?

• Are their current valuations reasonable relative to business prospects and risks?

The answers may be different.

A good economic story is not necessarily an attractive investment at every price.

4. Review Portfolio Overlap Between Funds

Portfolio overlap occurs when different mutual funds hold some of the same securities.

Overlap is not automatically negative, but it becomes important when investors believe they are adding diversification by purchasing another scheme.

For example, an investor holding diversified equity funds may already own several companies associated with a popular manufacturing theme.

Adding a manufacturing fund may increase existing positions in those businesses rather than introduce entirely new exposure.

Investors should examine the fund’s latest disclosed holdings, sector allocation and leading stock concentrations.

What Has SEBI Said About Overlap?

SEBI’s February 2026 categorisation circular introduced portfolio-overlap requirements for sectoral and thematic equity schemes, including a 50% overlap limit relative to specified other equity schemes, with an exception for large-cap schemes.

The circular also provides a phased compliance period for existing schemes.

They do not mean that an investor’s combined holdings across different mutual fund companies are automatically free from overlap.

Personal portfolio overlap still requires separate analysis.

5. Evaluate the Fund’s Investment Strategy and Costs

A thematic mutual fund should be assessed on more than the attractiveness of its investment theme.

Investors should understand how the fund selects companies, manages concentration and responds when the theme experiences adverse conditions.

They should review the scheme’s investment objective, asset allocation, leading holdings, benchmark, riskometer, expense ratio and exit-load provisions.

A fund’s recent performance may provide useful historical context but should not be the primary reason for investing.

The investor also needs to understand whether the fund is actively managed or follows an index, since portfolio construction and costs can differ.

6. Consider Your Investment Horizon and Liquidity Needs

Thematic equity funds can experience extended periods of volatility.

Some themes may benefit from favourable economic cycles, while others may underperform for several years.

Investors with near-term financial commitments may not have sufficient flexibility to wait through such periods.

Before investing, consider whether the allocated money might be needed for property purchases, education expenses, business obligations or other financial requirements.

Investments intended for long-term growth generally require a different risk assessment from money reserved for an upcoming expenditure.

A thematic allocation should not compromise emergency liquidity or essential financial goals.

7. Decide Whether the Theme Belongs in Your Core Portfolio

A core portfolio generally aims to support broad financial objectives through an appropriate mix of investments.

A thematic allocation, where suitable, may be considered as a more focused component alongside broader diversified investments.

However, there is no universal percentage that every investor should allocate to thematic funds.

The suitable allocation depends on the investor’s total financial assets, risk capacity, existing exposure and long-term objectives.

The key is to understand the purpose of the additional risk.

If an investor cannot clearly explain why a thematic fund improves the existing portfolio, the investment decision may require further review.

A Seven-Point Checklist Before Investing in a Thematic Mutual Fund

The purpose of this checklist is not to discourage thematic investing.

It is to help investors distinguish a suitable allocation from an investment driven primarily by market enthusiasm.

Should Investors Avoid Thematic Mutual Funds Altogether?

Not necessarily.

Thematic funds can provide focused exposure to sectors or economic trends that an investor understands and wishes to include within a broader portfolio.

However, suitability depends on the investor’s ability to manage concentration, volatility and potential underperformance.

A theme should be evaluated in the context of the entire portfolio—not as a standalone investment story.

Investors should avoid assuming that a sector gaining attention today will necessarily deliver superior returns over their intended investment horizon.

What Should Mutual Fund Investors Do Next?

Before adding a thematic fund, reviewing the existing portfolio can provide valuable insights.

A review may identify concentrated sector exposure, overlapping stock holdings, a mismatch between risk and financial goals, or the potential for improving asset allocation.

In some situations, the investor may already have sufficient exposure to the preferred theme through existing schemes.

In others, adding a carefully evaluated thematic allocation may be consistent with the overall investment strategy.

The right question is not simply whether you believe in the sector. It is whether your portfolio needs more of it.

Ranjit Jha’s Perspective — Draft for Approval

Proposed editorial perspective for Ranjit M. Jha, MD & CEO, Rurash. Approval required before attribution.

Thematic investing can allow investors to participate in developments across different sectors of the economy.

However, confidence in a sector’s future should not replace portfolio-level risk assessment.

An investor may already hold substantial exposure to the chosen theme through diversified mutual funds or direct equity investments.

Before allocating additional capital, it is important to examine existing holdings, concentration, valuations and the role the investment will perform in the portfolio.

A disciplined investment approach should balance conviction with appropriate diversification and long-term financial objectives.

Explore More with Rurash

At Rurash Wealth Management, we believe mutual fund selection should begin with understanding the investor’s existing portfolio and financial goals.

Before investing in a thematic fund, investors may benefit from evaluating existing sector exposure, fund overlap, asset allocation and risk capacity.

Through Rurash’s mutual fund and wealth management solutions, investors can explore portfolio review and fund selection considerations aligned with their investment objectives.

You like the sector. But does your portfolio need more of it?

Discuss your mutual fund portfolio with Rurash Wealth Management.