BNY is not a bank in the way most people think of one. It does not hand out mortgages or manage checking accounts for everyday customers. Instead, it sits behind the scenes of global finance, holding and tracking assets for the world's biggest pension funds, governments, and corporations. Its three main business segments are Securities Services (custody and asset servicing), Market and Wealth Services (clearing, collateral management, and payments), and Investment and Wealth Management. Every time a large institution needs its trades settled, its assets safeguarded, or its collateral managed, BNY charges a fee for that service. The company also earns recurring fees for managing money on behalf of clients through its investment management arm. As of December 31, 2025, BNY held $59.3 trillion in assets under custody and administration and managed $2.2 trillion directly. The diagram below traces where the money goes.
How Bank of New York Mellon Makes Money
flowchart TD
A["Assets Under Custody
59.3 trillion"] --> B["Securities Services
Asset and Issuer Services"]
A --> C["Market and Wealth Services
Payments, Trade, Collateral"]
D["Assets Under Management
2.2 trillion"] --> E["Investment and Wealth
Management Services"]
B -->|"Fee Revenue"| F["Total Revenue
20.1 billion"]
C -->|"Fee Revenue"| F
E -->|"Fee Revenue"| F
F --> G["Operating Cash Flow
6.7 billion"]
G --> H["Employee Investment
48,100 staff globally"]
H --> I["Service Quality and
Innovation Capability"]
I --> B
I --> C
I --> E
G --> J["Retained Earnings and
Capital Deployment"]
J --> A
J --> D
Five years of financial data tell a story of steady growth at the top line, with a bumpier ride underneath. Revenue climbed from $15.9 billion in 2021 to $20.1 billion in 2025, a consistent upward move across every single year. That is the encouraging part.
BNY Annual Revenue, 2021 to 2025
Revenue in billions of dollars. Source: XBRL financials.
Cash flow tells a less tidy story. Operating cash flow swung from $2.8 billion in 2021 to $15.1 billion in 2022, then dropped to $5.9 billion in 2023, fell sharply to just $0.7 billion in 2024, and recovered to $6.7 billion in 2025. Free cash flow followed the same pattern, turning negative at minus $0.8 billion in 2024 before bouncing back to $5.2 billion in 2025. These swings are large for a company of this size, and they matter because free cash flow is what actually funds dividends, share repurchases, and future growth.
What is free cash flow?
Free cash flow is the money left over after a company pays for everything it needs to keep running and maintain its equipment or systems. It is different from profit because profit includes accounting entries that are not actual cash. Free cash flow shows how much real money a business generates that it can use however it chooses.
Net debt has moved in only one direction over the five-year period. It rose from $19.9 billion in 2021 to $28.8 billion in 2025. That is a meaningful increase in what the company owes above what it holds in liquid assets. For a financial institution, some level of net debt is normal, but the consistent rise is worth watching alongside the volatility in cash generation.
$28.8B
Net debt at end of 2025, up from $19.9B in 2021
The risks BNY faces are not abstract. The company processes enormous numbers of transactions every day across many countries and computer systems. One serious failure, whether a system crash, a vendor problem, or a cyberattack, could disrupt markets and damage client relationships in ways that are difficult and expensive to repair. BNY's own filings describe cybersecurity as a constant threat, with hackers actively targeting the company and its customers' digital assets.
Why is a custody bank a cyberattack target?
A custody bank holds and tracks trillions of dollars in assets on behalf of other people. That makes it an attractive target for criminals who want to steal data, disrupt transactions, or access client funds. A successful attack on a company like BNY could ripple across global financial markets because so many institutions depend on it.
BNY is also actively deploying artificial intelligence tools across its operations, including so-called digital employees. The company's own filings acknowledge that AI systems can make unexpected errors, are harder to defend against certain types of attacks, and can create problems that no one predicted in advance. On top of this, the company operates in dozens of countries, each with its own rules about capital levels, data privacy, digital assets, and AI. A shift in any of those rules could force expensive changes to how the business runs.
2024
milestone
Free Cash Flow Turned Negative
In 2024, BNY's free cash flow fell to minus $0.8 billion, the only negative year in the five-year data set. Operating cash flow dropped to just $0.7 billion in the same year. The company recovered to $5.2 billion in free cash flow by 2025, but the 2024 dip raised a real question about whether the cost of running and modernizing this infrastructure is growing faster than the business can absorb.
The scale of assets BNY oversees is almost hard to picture. Fifty-nine trillion dollars in assets under custody is more than twice the size of the entire United States economy. That scale is both the company's greatest strength and its greatest responsibility. Losing even a small fraction of those client relationships would have an outsized effect on fee revenue.
$59.3T
Assets under custody and administration as of December 31, 2025
BNY competes with other large global financial institutions for custody, clearing, and asset management work. It also faces growing competition from financial technology firms that are not subject to the same heavy regulation. Those firms can sometimes move faster and charge less. The company's ability to hold its position depends heavily on its reputation for reliability and its ability to attract skilled people.
About 60 percent of BNY's roughly 48,100 employees work outside the United States, including approximately 18,000 in the Asia-Pacific region alone. That global footprint means the company is exposed to employment rules, political conditions, and regulatory changes across many different countries at once.
The core assumption holding this business model together is straightforward to state but not easy to prove over time.
The Bet
BNY's value rests on the assumption that the financial institutions, governments, and pension funds that rely on it today will keep relying on it tomorrow, and that the fees they pay will grow as the assets they hold grow. The company is deeply embedded in global financial infrastructure, but that position only generates rising revenue if the volume and value of assets flowing through its systems keeps climbing. If global asset values fall sharply, or if large clients decide to bring more of these services in-house or move to technology competitors, the fee income that drives the revenue line shrinks. The cash flow volatility of recent years suggests the cost of staying competitive is real and rising.
Open question
Revenue has grown every year for five years, and $59.3 trillion in assets under custody shows that clients trust BNY with an extraordinary amount of value. But free cash flow turned negative in 2024, net debt has risen steadily, and the company is spending heavily to modernize with AI while defending against constant cyber threats. Can BNY grow its fee income fast enough, and keep its costs controlled enough, to turn that scale into reliable and growing free cash flow, or will the expense of maintaining this infrastructure keep eating into the gains?
Compiled · 10-K · FY2025
Operational Risk
BNY Mellon processes huge numbers of complex transactions daily across many countries and systems. If errors happen or systems fail, they can be hard to fix quickly and could cause major problems for customers and the financial markets, damaging the company's reputation and finances.
Technology Disruption
The company depends heavily on computer systems and relies on many outside vendors for technology services. If these systems break down or outside vendors experience problems, BNY Mellon might not be able to process transactions or serve customers, which could hurt business and create legal liability.
Cybersecurity
BNY Mellon is constantly targeted by hackers trying to steal customer data, including digital assets. A successful cyberattack could cause severe damage to operations, force expensive recovery efforts, hurt customer relationships, and result in regulatory penalties and lawsuits.
Artificial Intelligence Risk
The company is using artificial intelligence in digital employees and business operations, but AI systems can make errors, be hacked more easily, and create problems BNY Mellon cannot predict or control. If AI tools don't work as expected, it could disrupt business and damage competitiveness.
Regulatory and Compliance
BNY Mellon operates in many countries with changing rules about capital levels, digital assets, sanctions, data privacy, and artificial intelligence. New regulations or enforcement actions could force the company to spend significant money on changes, limit business activities, and reduce profits.
10-K Item 1A · Risk Factors