SEBI Multi Cap rule: 25% mandatory allocation each in large/mid/small caps

When SEBI reclassified the diversified equity universe in 2020, it split one of India's most popular fund styles into two camps that look similar on a fact sheet but behave very differently in a portfolio. Multi Cap and Flexi Cap funds both hold a mix of large, mid and small companies, both must keep at least 65% in equity, and both are taxed identically. Yet the SEBI Multi Cap allocation rule -- a minimum 25% in each market-cap band -- creates a structurally different risk profile from the go-anywhere Flexi Cap mandate introduced in November 2020. For an investor deciding where the next SIP instalment should go, that single rule is the whole story.

This pulse breaks down the SEBI multi cap allocation rule against the Flexi Cap framework using the regulator's own definitions, the AMFI market-capitalisation list that drives both, and the equity tax regime as it stands for FY 2025-26. Every figure below is sourced; nothing is estimated.

Side-by-Side Comparison

The defining document is SEBI's circular dated 11 September 2020, which redefined the Multi Cap category. Before that date, a multi-cap fund was simply a diversified equity scheme with no rigid allocation, and most such funds quietly ran 70-80% in large caps because that minimised volatility. The 2020 mandate ended that drift: a Multi Cap fund must now hold a minimum 25% each in large-cap, mid-cap and small-cap stocks at all times, leaving only the remaining 25% to the fund manager's discretion.

Flexi Cap, created by SEBI in November 2020 as an escape valve for funds unwilling to take forced small-cap risk, carries a single constraint: a minimum 65% in equity, with complete freedom across market caps. A Flexi Cap manager can run 90% large-cap in a frothy small-cap market and nobody breaches a rule.

The market-cap bands themselves are not chosen by the fund. AMFI publishes the classification list twice a year -- after the periods ending June and December, released around end-July and end-January -- based on full market capitalisation. The top 100 companies are large-cap, ranks 101 to 250 are mid-cap, and the 251st company onward is small-cap. When that list shifts a stock from one band to another, Multi Cap funds get a 30-day window to rebalance back into compliance.

The practical gap is the 25% mandatory small-cap floor. Small caps -- the 251st company and below on the AMFI list -- carry the widest drawdowns in Indian equity history, and a Multi Cap fund cannot reduce that sleeve below a quarter of the portfolio even when a manager turns cautious. A Flexi Cap fund facing the same signal can cut small-cap exposure to zero. That asymmetry, not returns, is the honest basis for choosing between the two.

It also explains the migration that followed the 2020 rule. Several large diversified schemes that did not want a permanent 25% small-cap sleeve reclassified themselves as Flexi Cap once SEBI opened the category, which is why Flexi Cap grew into one of the largest equity sub-categories by assets under management within a few years of its creation.

Tax Treatment

Multi Cap and Flexi Cap are taxed identically because both qualify as equity-oriented funds -- a scheme that holds at least 65% in domestic equity, which both categories satisfy by mandate. The relevant rates changed with the Union Budget 2024, effective for transfers on or after 23 July 2024, and apply unchanged through FY 2025-26.

For units held more than 12 months, gains are long-term and taxed at 12.5%, with the first Rs 1,25,000 of aggregate equity LTCG in a financial year exempt. For units held 12 months or less, gains are short-term and taxed at a flat 20%. A 4% health and education cess applies on top of the tax in both cases. These rates are codified in the Income-tax Act and detailed on the official portal at incometax.gov.in.

A worked example clarifies the cost. Suppose you redeem a Flexi Cap holding after three years with a Rs 3,00,000 long-term gain in FY 2025-26. The first Rs 1,25,000 is exempt, leaving Rs 1,75,000 taxable at 12.5%, which is Rs 21,875, plus 4% cess of Rs 875 -- a total of Rs 22,750. The same gain on a Multi Cap fund produces the identical bill, because the SEBI category label has no bearing on the equity tax computation.

One nuance worth noting for Multi Cap investors: the mandatory rebalancing can increase portfolio turnover inside the fund, but that turnover is the fund's, not yours. You are taxed only when you redeem your own units, so internal rebalancing within either category does not create a tax event for the unitholder. The expense ratio absorbs the trading cost, which is why a Multi Cap fund's expense ratio is the line item to watch rather than its tax profile.

Who Should Pick Which

The choice reduces to one question: do you want small-cap exposure imposed by rule, or do you want a manager to decide it for you?

Pick Multi Cap if you specifically want guaranteed, disciplined small-cap and mid-cap participation and you will not lose sleep over the deeper drawdowns that come with a permanent 25% small-cap floor. The category suits an investor with a horizon of at least seven to ten years, a high risk tolerance, and a behavioural tendency to chicken out of small caps at the worst moment -- the SEBI rule removes that temptation by hard-coding the allocation. A Multi Cap fund is, in effect, a rebalancing machine that buys low and trims high across cap bands without asking you.

Pick Flexi Cap if you want a single diversified equity fund where the manager controls cap allocation dynamically, and you are comfortable that the small-cap sleeve might be near zero in an expensive market and larger in a cheap one. Flexi Cap is the more natural core holding for a first-time equity investor or for someone who already holds a dedicated small-cap fund elsewhere and does not want a second forced small-cap exposure stacking on top.

A practical way to size either decision is to model the contribution itself rather than guess at returns. Run your monthly amount through the SIP calculator for a regular plan, or the lumpsum calculator if you are deploying a one-time corpus, and stress-test the horizon -- a 25% small-cap fund needs a longer runway to ride out volatility than a large-cap-tilted Flexi Cap. Investors using the 80C route should note that neither category qualifies for the Section 80C deduction; that is the preserve of ELSS funds, which are a separate equity sub-category with a three-year lock-in.

For most goal-based plans, the cleaner construction is to treat Flexi Cap as the diversified core and add a separate small-cap or mid-cap fund only if you want a tactical tilt, because that gives you control over the small-cap weight that a Multi Cap fund deliberately takes away. Investors who distrust their own discipline often prefer Multi Cap precisely because it does not give them that control. Both are legitimate; the right answer depends on your temperament, not on a return forecast.

FAQ

What exactly does the SEBI multi cap allocation rule require?

SEBI's circular dated 11 September 2020 requires every Multi Cap fund to invest a minimum 25% of its corpus in each of large-cap, mid-cap and small-cap stocks, defined by the AMFI market-cap list -- top 100 companies as large-cap, ranks 101 to 250 as mid-cap, and 251 onward as small-cap. That accounts for 75% of the portfolio, with the remaining 25% at the manager's discretion across any cap.

How is Flexi Cap different from Multi Cap?

A Flexi Cap fund, a category SEBI created in November 2020, must keep only a minimum 65% in equity and faces no market-cap allocation rule. It can hold 80% large-cap or 50% small-cap as the manager judges fit. Multi Cap, by contrast, is locked into the 25%-25%-25% minimum across the three bands, leaving far less manager discretion.

Are Multi Cap and Flexi Cap funds taxed differently?

No. Both are equity-oriented funds holding at least 65% in domestic equity, so both follow the same equity tax rules effective 23 July 2024: LTCG at 12.5% above the Rs 1,25,000 annual exemption for holdings over 12 months, and STCG at 20% for holdings of 12 months or less, plus 4% cess in each case. The SEBI category label does not change the tax.

How often do these funds rebalance?

AMFI publishes its market-cap classification list twice a year, after the periods ending June and December. When a stock moves between bands, a Multi Cap fund gets a 30-day window to rebalance back to the mandated 25% minimums. Flexi Cap funds face no such category-driven rebalancing requirement.

Does either fund qualify for an 80C deduction?

No. Neither Multi Cap nor Flexi Cap qualifies for the Section 80C deduction. Only ELSS funds, a separate equity sub-category with a three-year lock-in, carry the up to Rs 1,50,000 deduction under Section 80C in the old tax regime. You can model an ELSS plan using Oquilia's ELSS calculator.

Which is riskier, Multi Cap or Flexi Cap?

By construction, Multi Cap carries higher structural risk because it must hold at least 25% in small-cap stocks at all times, and small caps show the deepest drawdowns in Indian equity. A Flexi Cap manager can cut small-cap exposure to zero in a stretched market, giving the category a lower floor on downside risk -- though the actual risk depends on how each manager runs the book.

Can a Multi Cap fund switch to Flexi Cap?

Category changes require SEBI approval and unitholder notification, and several funds did exactly this after the November 2020 Flexi Cap circular to avoid the forced 25% small-cap allocation. For an existing investor, such a reclassification changes the fund's risk profile, so it is worth re-reading the scheme information document whenever a fund announces a category change.