What is AUM in Mutual Fund?

What is AUM in Mutual Fund?

  • Calender18 Sept 2026
  • user By: BlinkX Research Team
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  • AUM (Assets Under Management) in mutual funds is the total market value of capital that a mutual fund manages on behalf of its investors. It shows how much capital investors have collectively invested in a particular mutual fund scheme. AUM is important because it reflects the size of the fund and helps investors understand its scale of operations. It also plays a role in fund management decisions and cost structures. This article explains how to calculate AUM, how it is calculated, what affects it, and why it matters to investors. 

    How to Calculate AUM in Mutual Fund? 

    Before understanding the calculation, it is helpful to know that the AUM in full form is Assets Under Management. AUM is calculated using a simple formula, which is discussed below: 

    Formula: 
    AUM = (Current Market Value of all Investments) + (Cash Holdings) −Liabilities 

    Example: 
    Assuming that a mutual fund holds investments worth ₹50 crore and has liabilities of ₹2 crore, then the AUM will be ₹48 crore.  

    Importance of AUM in Mutual Funds 

    The following are some of the key reasons for the significance of assets under management, its importance will help to understand what is AUM in mutual fund.  

    • Reflects a Fund's Size and Scope: A mutual fund's AUM provides a clear picture of its size and scope. 
       
    • Influences a Fund's Investment Choices: A fund's investment choices may be directly impacted by the size of itss in its universe are small. It will struggle to gain significant exposure in the businesses it wants to work with.  
       
    • Impacts a Fund's Performance: A mutual fund's AUM may have an impact on its performance. Finding investment opportunities that can produce sizable gains without challenging the market may be more difficult for a f AUM.

    Factors Influencing AUM in Mutual Funds 

    AUM does not remain constant and can change due to several reasons. Some key factors are listed below. 

    1. Inflows in the Mutual Fund 
      Inflows refer to the fresh capital invested by new or existing investors in a mutual fund scheme. When more people invest or increase their investments through lump sums or SIPs, the total capital managed by the fund rises. Regular inflows over time can steadily increase the AUM. 
       
    2. Market Value of the Underlying Investments 
      Mutual funds invest in assets like shares, bonds, or fund market instruments. The value of these investments keeps changing daily based on market conditions. If the market performs well and the value of these assets increases, the AUM also goes up. Similarly, if a market decline can reduce the AUM, even if no capital is withdrawn. 
       
    3. Redemption or Payouts from the Scheme 
      Redemption happens when investors withdraw their capital from the mutual fund. When redemptions increase, the fund pays out dividends, which usually reduces the total assets under management.  

    Impact of High AUM in Mutual Funds 

    A high AUM can influence how a mutual fund operates and how investors view the scheme. Its impact can be understood through the following points:  

    • Performance Challenges 
      As AUM increases, maintaining the same investment performance may become more challenging due to the size of investments involved. 
       
    • Liquidity Considerations 
      Managing large volumes of assets may sometimes make it slower to buy or sell securities without affecting market prices. 

    Conclusion 

    AUM for mutual funds is a crucial indicator that offers important information about the size, scope, and performance of a fund. An investors' decision to invest in a new mutual fund may be slightly influenced by Assets Under Management.

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