Should you invest in a mutual fund scheme with a high AUM?

Summary: This piece examines a common shortcut investors use while judging mutual funds and asks whether it really tells you what you need to know. It sets up a more nuanced way to think about fund size without jumping to an easy yes-or-no answer. A high AUM, or assets under management, is not a reliable shortcut for judging a mutual fund. It tells you that many investors’ money is already in the scheme, but it does not by itself prove better returns, lower risk or stronger execution. What matters is whether that fund’s size fits the kind of stocks it is allowed to buy. That distinction matters even more now, as the Indian mutual fund industry has grown significantly. As per AMFI (Association of Mutual Funds in India), the industry’s AUM stood at Rs 82.03 lakh crore as of February 28, 2026, with an average AUM for February 2026 at Rs 83.43 lakh crore. In a market this large, popularity and suitability are even more easily confused. AUM is a popularity number, not a quality score AUM measures the total market value of money managed by a scheme. Investors often treat a large fund as ‘safer’ simply because it looks established. But that is a category error. A big AUM can come from strong long-term performance, a popular brand, a wide distributor reach or a market phase that favours that fund style. None of those automatically tells you whether the fund can keep executing well from here. This is why AUM should be read as context, not as a verdict. Value Research’s own earlier

This article was originally published on June 22, 2022, and last updated on March 16, 2026.