AUM, or Assets Under Management, refers to the total market value of the investments that a mutual fund holds on behalf of its investors. It represents the combined value of all the assets managed by the fund manager. AUM is an essential metric as it helps investors understand the size and success of a mutual fund.
For example, if a mutual fund has an AUM of ₹5,000 crore, it means that the fund is managing ₹5,000 crore worth of investments, including stocks, bonds, and other securities.
How is AUM Calculated?
The calculation of AUM involves adding up the current market value of all assets under the fund’s management. These assets include
- Equity holdings (stocks, shares)
- Fixed-income securities (bonds)
- Money market instruments
- Cash reserves
Each day, the AUM of a mutual fund fluctuates based on market performance, inflows (new investments), and outflows (withdrawals or redemptions).
Why is AUM Important in Mutual Funds?
AUM provides a snapshot of a fund’s size and credibility. Here's why it's significant:
-
Fund Size Indicator: The AUM indicates how much money is invested in the fund. Larger AUM can imply more trust from investors and potentially greater stability.
-
Credibility and Trust: Funds with higher AUM often signify better investor confidence. Larger funds are typically managed by well-established asset management companies (AMCs).
-
Liquidity: A higher AUM means the fund has more liquidity, enabling the manager to handle large redemption requests without heavily impacting the fund's strategy or stock prices.
Impact of AUM on Fund Performance
The relationship between AUM and fund performance is complex. While AUM growth is generally positive, an excessively large AUM can sometimes lead to inefficiencies, especially in actively managed funds.
On the other hand, smaller funds may have more flexibility to invest in opportunities that can deliver high returns but can also be more volatile.
AUM and Expense Ratios
The expense ratio is the fee charged by a mutual fund for managing your investment, expressed as a percentage of the AUM. The Assets Under Management (AUM) and Expense Ratio directly affect mutual fund returns. As AUM increases, funds benefit from economies of scale, leading to a lower expense ratio. This results in higher net returns for investors.
For example, a fund with higher AUM and lower expense ratio will deliver better returns than a smaller fund with a higher expense ratio, even if both achieve the same gross returns.
As per SEBI, large funds can have lower TER while small funds are allowed to charge high TER. Refer the table below
How AUM Affects Mutual Fund Categories
Different categories of mutual funds are impacted by their AUM in various ways:
-
Equity Funds: High AUM may limit flexibility in buying or selling small or mid-cap stocks, but it also offers better resources for research.
-
Debt Funds: Large AUM can increase liquidity, which is essential for bond funds to meet redemption demands without disrupting performance.
-
Index Funds: AUM is less of a concern as these funds aim to replicate a benchmark index rather than beat it. Larger AUM in index funds often leads to lower tracking errors.
Conclusion
AUM in mutual funds is a crucial metric that gives investors insight into the size, credibility, and performance potential of a mutual fund. While a larger AUM can provide stability, liquidity, and lower expense ratios, it’s also essential to consider other factors such as fund strategy, market conditions, and expense ratios.
