How asset and wealth management works
Clients, products, the value chain, fees, costs, active versus passive, private banking, and sovereign wealth funds.
Industry brief, with a one-minute summary: Asset and wealth managementKey takeaways
- Asset managers and wealth managers are paid a small percentage of the money they look after, every year.
- An asset manager runs pools of investments: mutual funds, exchange-traded funds (ETFs, funds that trade on a stock exchange like a share), and separate portfolios for large institutions.
- Costs are mostly people: portfolio managers, analysts, sales teams, and relationship managers, plus technology, data, and fund operations.
Key idea
Asset managers and wealth managers are paid a small percentage of the money they look after, every year. Revenue equals assets under management (AUM) times the fee rate, so it rises and falls with markets as well as with new clients.
An asset manager runs pools of investments: mutual funds, exchange-traded funds (ETFs, funds that trade on a stock exchange like a share), and separate portfolios for large institutions. Its clients are retail investors, who usually buy through banks, advisers, and online platforms, and institutions such as pension funds, insurers, endowments, and sovereign wealth funds. A wealth manager or private bank serves wealthy individuals and families directly: advice, managing their portfolio, loans against their investments, and help with tax and succession planning.
- From saver to investment and back
- Product manufacturingPortfolio managers and analysts choose investments, or an index is tracked.
- Key: DistributionBanks, independent advisers, online platforms, and institutional consultants who recommend managers.
- OperationsFund administration, custody (a custodian bank holds the assets safely), trading, and reporting.
- Client serviceReporting and advice; for private banks, the relationship manager (RM).
Manufacturing, distribution, and operations are often done by different companies.
| Product | Approximate fee rate | Notes |
|---|---|---|
| Index (passive) equity fund | About 0.05 percent for US index equity mutual funds, asset-weighted, in 2025 | Tracks an index; very cheap to run at scale |
| Equity mutual funds overall | About 0.40 percent asset-weighted in the US in 2025 | Active funds charge more than this average: about 0.64 percent for actively managed US stock funds |
| Private markets funds (private equity, private credit) | Often 1 to 2 percent plus a share of profits | See the private equity and venture capital module |
| Hedge funds | Often 1 to 2 percent plus a share of profits | Fees vary widely |
| Private banking, all services | Often about 0.6 to 1 percent of client assets in total revenue; about 0.8 percent at Julius Baer in 2025 | Advice, portfolio management, lending, and transactions |
So-what
US fund figures come from the Investment Company Institute (2025 data), and the private bank example from Julius Baer's 2025 results. The other ranges are rough and vary by market and client size.
Costs are mostly people: portfolio managers, analysts, sales teams, and relationship managers, plus technology, data, and fund operations. Many costs are fixed, so a larger manager earns a higher margin (economies of scale). BCG reports that profit margins in asset management are around or just above 30 percent, roughly where they were in 2010, even though the industry's AUM more than tripled.
Active versus passive
An active fund tries to beat a benchmark index by choosing investments. A passive fund simply copies the index, so it is much cheaper. Many active funds fail to beat their benchmark after fees over long periods, so investors have moved money to passive funds and ETFs. This shift, plus pressure from large clients, pushes average fee rates down every year. That is fee compression, and it is behind most asset management strategy cases.
Sovereign wealth funds
A sovereign wealth fund (SWF) is a state-owned investment fund. It is usually built from oil and gas income or from foreign exchange reserves. Some save wealth for future generations (Norway's Government Pension Fund Global), some invest reserves abroad (ADIA in Abu Dhabi, GIC in Singapore, the Kuwait Investment Authority), and some also develop the home economy (Saudi Arabia's Public Investment Fund, Mubadala and ADQ in Abu Dhabi, Temasek in Singapore). SWFs hire external asset managers, invest directly in companies and infrastructure, and co-invest with private equity firms, so they are major clients for both asset managers and consultants.
| Metric | Plain definition |
|---|---|
| Assets under management (AUM) | The market value of the money a firm manages for clients |
| Net flows (net new money) | Money clients put in minus money they take out |
| Organic growth rate | Net flows divided by AUM at the start of the period |
| Revenue margin (fee rate) | Revenue divided by average AUM, usually in basis points (1 basis point is 0.01 percent) |
| Cost/income ratio and operating margin | Costs divided by revenue, and profit divided by revenue |
| Investment performance | Return compared with the benchmark, and the share of funds that beat it |
| AUM per relationship manager | Client assets looked after by one RM, a key private banking productivity measure |
So-what
Separate AUM growth from markets and AUM growth from net flows. Only flows show whether clients are choosing the firm.
An asset manager's revenue rose 12 percent last year. What is the first thing to check?
Sources for this lesson (4)
- Investment Company Institute: Trends in the Expenses and Fees of Funds, 2025 (official)
- Julius Baer: 2025 full year results, gross margin on client assets (official, February 2026)
- BCG: Global Asset Management Report 2026, An Imperative for Growth (April 2026)
- Recognized public explanations of case-interview concepts and frameworks
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