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Learn · Module 1 — The absolute basics

Decoding the alphabet soup: AMC, trustee, custodian and registrar

The company whose name is on the fund does not hold your money. Who does, why the structure is fragmented on purpose, and what an AMC failure would actually mean.

Last reviewed 13 Jan 2026

The single most reassuring fact about Indian mutual funds is one almost nobody is told: the company whose name is on the fund does not hold your money.

The structure is deliberately fragmented, and each piece exists because someone, somewhere, once abused the alternative. Here is who does what.

The five parties

The Sponsor sets the fund up and contributes the initial capital — the recognisable name (HDFC, SBI, Nippon, Kotak). It is the promoter, and beyond establishing the fund and appointing the trustee, it has no operational role. Its own financial health is not your exposure.

The Trustee holds the scheme’s assets in trust for unitholders and is legally accountable to them, not to the sponsor. This is the keystone. A mutual fund in India is constituted as a trust precisely so that the assets belong to the beneficiaries — you — rather than sitting on a company’s balance sheet. At least half the trustees must be independent.

The AMC (Asset Management Company) makes the investment decisions, employs the fund managers and analysts, and charges the fee. It is appointed by the trustee and supervised by it. It manages the money; it never holds it.

The Custodian — a SEBI-registered entity independent of the sponsor — physically holds the securities. When a fund buys shares, they are delivered to the custodian’s account, not the AMC’s.

The RTA (Registrar and Transfer Agent) keeps the unitholder record: who owns what, purchases, redemptions, and your account statement. In India this is overwhelmingly CAMS or KFintech, which is why one statement can cover funds from many houses.

Why the fragmentation is the safety feature

Trace what would happen if an AMC failed tomorrow.

Its employees would stop working. Its shareholders would lose money. But the scheme’s securities are at the custodian, held for the trust, with ownership recorded at the RTA. None of that is the AMC’s property, so none of it is available to the AMC’s creditors. In practice SEBI would arrange for another AMC to take over management, or for schemes to be wound up and proceeds returned to unitholders.

This is not theoretical comfort. It is the reason the only risk you carry is the one you signed up for: the securities themselves falling in value.

Compare that with an unregulated scheme where the same entity solicits the money, holds it, invests it and reports on it. Every large investment fraud has that shape. The mutual fund structure exists to make it impossible.

Where SEBI and AMFI sit

SEBI is the regulator. It writes the rules — scheme categorisation, expense caps, disclosure, valuation, the riskometer — and it inspects and enforces.

AMFI is the industry body, not a regulator. Its practical significance to you is that it publishes the daily NAV file every fund house must report to, and the half-yearly market-cap classification that defines large, mid and small cap. Every figure on this site is computed from that AMFI data.

Pitfalls to avoid

  • Do not choose a fund by the sponsor’s brand. The bank you like and the investment process you want are unrelated. The AMC’s fund management team is the thing you are hiring.
  • Do not assume a big AMC means a safer scheme. Size affects liquidity and cost, not the market risk of what the scheme holds. A small-cap fund from the largest house is still a small-cap fund.
  • Do not confuse a mutual fund with a company deposit or a PMS. Only the mutual fund structure has trustee separation, custodian segregation and daily NAV disclosure.
  • Do not ignore the RTA. Almost every practical problem you will ever have — a folio mismatch, a KYC status, a nomination update, a transmission — is solved at CAMS or KFintech, not at the AMC.

Key takeaway

Sponsor promotes, trustee holds in trust, AMC manages, custodian safekeeps, RTA records. The separation is the product’s core safety property: an AMC’s failure is an inconvenience, not a loss of your capital. What you are genuinely exposed to is market risk in the securities — which is exactly what you were paid to take.

Terms used here

More in Module 1 — The absolute basics