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Understanding AUM (Assets Under Management)

Updated: Mar 1

In the world of finance and investment, you're likely to come across many different acronyms. One of the most common and significant among them is AUM, or Assets Under Management. AUM is a key performance indicator for financial institutions that provide asset management services. It refers to the total market value of the investments that a financial institution or individual advisor manages on behalf of clients.

What is AUM?

Assets Under Management (AUM) refers to the total market value of assets that a financial institution, such as a bank, mutual fund, venture capital firm, or private equity firm, or an individual financial advisor is managing on behalf of clients. It reflects the total value of all investments that the institution or person is managing, which can include stocks, bonds, cash, mutual funds, ETFs, real estate, and other types of assets.

How is AUM calculated?

The calculation of AUM is relatively straightforward: it's the sum of the market value of all the investments currently being managed by the institution or advisor. This includes not just the initial investment, but any subsequent gains or reinvestments as well. Conversely, it also includes any losses or withdrawals. The AUM figure can fluctuate daily as it is affected by market performance, client contributions and withdrawals, and the addition or subtraction of managed assets.

Why is AUM Important?

AUM is an important metric for a few reasons:

  • Performance Indicator: For investors, a higher AUM can often be a positive sign because it suggests that other investors trust the institution or advisor with their money. It can indicate the firm's experience and success in managing investments.

  • Revenue Estimation: Since many financial institutions charge a management fee as a percentage of AUM, a higher AUM means higher revenue for the institution. For example, if a firm has $1 billion in AUM and charges a 1% management fee, it would earn $10 million in fees.

  • Risk Diversification: A larger AUM can allow an investment manager to diversify investments more effectively, thereby potentially reducing risk.

Examples of AUM in Finance

To illustrate the concept of AUM, consider the following examples:

Example 1: A wealth management firm manages various types of assets for its clients, including stocks, bonds, and cash. The stocks are currently worth $50 million, the bonds are worth $30 million, and the cash accounts hold $20 million. Therefore, the firm's AUM is $100 million ($50m + $30m + $20m).

Example 2: An individual financial advisor manages $5 million in assets for various clients. The advisor charges a 2% management fee. Therefore, the advisor's annual income from management fees would be $100,000 ($5 million x 0.02).

AUM and Investment Strategy

The AUM of an investment firm can influence its investment strategy. Firms with a large AUM have the ability to invest in a wide variety of asset classes and take positions in less liquid investments because they can afford to tie up significant capital for a longer period. On the other hand, smaller firms may focus on more liquid investments, as they need to ensure they have sufficient cash on hand to meet any potential client withdrawals.

AUM is a vital metric in the financial industry. It offers insights into the size and success of an investment firm or advisor, and it can influence investment strategies and revenue. As an investor, understanding AUM can help you make more informed decisions about where to entrust your assets. As always, however, it's crucial to consider a range of factors and seek professional advice before making any investment decisions.


Assets Under Management (AUM) can sometimes exhibit significant growth not just due to successful investment strategies or additional inflows from investors, but also due to market appreciation. For example, during the bull market that followed the 2008 financial crisis, many investment firms saw their AUM grow substantially, even if they were not necessarily attracting new clients or additional funds, purely because of the rise in the value of the assets they were already managing. This is a testament to how interconnected AUM is with market conditions and overall economic health.

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