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Build diversification around your goals, time horizon, liquidity needs and ability to absorb losses—not around a target number of sectors. Use broad-market and, where suitable, cross-asset exposure as the foundation; then check the sector weights and overlapping holdings across your entire portfolio. Several funds can still leave you concentrated if they own the same companies or depend on the same sector or theme.
This is an educational framework, not a personal allocation recommendation. A sector mix that suits one investor may be unsuitable for another.
What diversification across sectors actually means
Sector diversification means spreading equity exposure among businesses whose results may respond differently to economic and market conditions. It is only one part of diversification: a portfolio can also vary by company, investment type and other permitted asset classes. Owning many shares—or several mutual funds—does not by itself establish that the portfolio is diversified.
Look through the whole portfolio, including direct shares and every fund’s current holdings. Compare the sector weights and identify repeated companies. Fund names and the number of schemes are not reliable substitutes for checking what you own.
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Start with your needs, not a sector count
Before choosing investments, consider your financial objectives, time horizon, need for access to cash, existing investments and tolerance for losses. These determine how much volatility and concentration risk may be appropriate. The official investor guidance cited here does not establish a universally suitable sector allocation or a formula for how many sectors an individual should hold.
Do not treat market-wide fund weights as personal targets. SEBI’s May 2025 deployment table reported banks at 20.91% and finance at 6.54% of equity-fund AUM. These are dated aggregate sector classifications, not recommended weights for an individual portfolio; the table also includes derivatives and an “others” category. See SEBI’s May 2025 equity-fund deployment report.
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Choose building blocks by the exposure they provide
Broad-market diversified equity funds
A broad-market fund can serve as an equity foundation, but its actual breadth depends on its mandate and holdings. Review the current portfolio rather than assuming that “diversified” in a label means every sector is represented equally or that overlap with your other investments is absent.
Sectoral funds
A sectoral fund focuses on one sector—for example, IT, healthcare, banking or energy. It may own multiple companies, but those holdings remain exposed to risks tied to the same sector. AMFI says such funds limit diversification and are riskier, and notes that sector performance can be cyclical, making timing important. AMFI’s scheme-category guidance and SEBI Investor’s sectoral-fund explanation describe these risks.
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Thematic funds
A thematic fund may invest across industries linked to a shared theme, making it broader than a single-sector fund in that respect. But several industries tied to one theme can still move together, so thematic exposure is not a substitute for broad market or asset-class diversification. Assess both the theme and the underlying holdings. AMFI explains thematic and sectoral categories.
Hybrid or balanced funds
Hybrid or balanced funds combine equities and fixed income, adding an asset-allocation dimension beyond sector selection. Check the scheme’s actual mix and mandate; the category name alone does not tell you whether its risk profile fits your needs. SEBI Investor explains balanced funds.
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How to check your portfolio for concentration
- List everything you hold. Include mutual funds, exchange-traded funds, direct shares and other investments relevant to your plan.
- Gather current holdings. Use each scheme’s latest portfolio disclosure and the latest available information for direct investments.
- Map sector exposure. Group equity holdings by sector and calculate each sector’s share of your overall equity exposure. Keep this separate from any fixed-income or other asset allocation.
- Check company overlap. Identify companies held directly and through multiple funds. Repeated exposure can make the portfolio more concentrated than the scheme count suggests.
- Review themes and mandates. Ask whether several funds depend on the same economic driver, even if their sector labels differ.
- Revisit when circumstances change. Compare current exposure with your objectives and risk tolerance, and decide in advance how you will review or rebalance. Do not trade solely because a sector recently rose or fell.
Compare funds before investing
Product-level costs, returns and rankings are not established by the official category guidance cited above. Consult current scheme documents and disclosures before making a decision. Compare options on these practical due-diligence points:
- Mandate and breadth: what the scheme is permitted to hold and how narrowly it is focused.
- Concentration: exposure to individual sectors, companies and themes.
- Overlap: how its holdings duplicate your existing funds and direct shares.
- Asset mix: the equity and fixed-income proportions, where relevant.
- Costs, benchmark and liquidity: the current scheme terms and how they fit your plan.
- Review approach: how you will monitor exposure and handle rebalancing.
Keep focused exposure in perspective
Sectoral and thematic funds can express a focused view, but they carry concentration risks that a portfolio built around broad exposure may not. There is no single sector mix established here as right for every investor. If you need an allocation tailored to your circumstances, consult an appropriately qualified financial adviser.
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