Andrea Pignataro’s net worth over time
Only dates with a published estimate are shown. Nothing is filled in between. Tap or hover a bar to see the source.
See the numbers as a table
| Date | Estimate | Source |
| 2024 | $27.5 billion | Forbes World's Billionaires List 2024 |
| 2025 | $34.2 billion | Forbes World's Billionaires List 2025 |
| 2026 | $42.6 billion | Forbes World's Billionaires List 2026 |
| Oct 2026 | $40.5 billion | Forbes Real-Time Billionaires · Forbes real-time estimate |
Where the money comes from
These are the main sources of wealth named in the reporting we cite. No published source breaks the total into exact amounts, so we do not show percentages.
Andrea Pignataro’s fortune in real-life terms
Based on the Forbes Real-Time Billionaires estimate above. Median full-time U.S. pay is $65,416 a year ($1,258 a week, BLS, Q2 2026), before taxes. Typical (median) U.S. family net worth is $216,100 (Federal Reserve, 2025 Survey of Consumer Finances).
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Andrea Pignataro has an estimated net worth of $40.5 billion, according to Forbes Real-Time Billionaires, Andrea Pignataro profile (figures as of October 20, 2026). That is up from $27.5 billion in 2024.
Andrea Pignataro is an Italian entrepreneur and mathematician best known as the founder and CEO of ION Group. He started the company in London while working as a bond trader at Salomon Brothers. ION builds software and technology for the financial sector. Over time, it grew into a large business that serves major parts of finance, from trading tools to banking systems and corporate data services.
His wealth is tied to ION Group and its expansion across financial software and data. The company owns businesses that include Dealogic and Fidessa, and it is organized in five main divisions: markets, analytics, core banking, corporates and credit information. ION also made major acquisitions in 2021 and 2024. Forbes put Pignataro's net worth at $40.5 billion on its real-time billionaires tracker as of October 20, 2026.
How Andrea Pignataro built his fortune
Pignataro made his money by building ION Group into a major financial technology company. He founded the firm in 1998 while still working at Salomon Brothers, then established it as an independent company in 1999. ION develops software for the financial sector, especially in trading and market infrastructure. That business became the base of his fortune as the company expanded its products, clients and reach across finance.
A big part of that growth came through acquisitions and a broad business mix. In 2024, ION Group had $31 billion in net assets. Its holdings range from Dealogic, a financial markets platform, to Fidessa, a trading software company. The group is split into five main divisions: markets, analytics, core banking, corporates and credit information. Beyond software, Forbes notes that he also owns luxury villas and hotels on Canouan.
What Forbes says about his wealth
Forbes has sharply raised its estimate of Pignataro's fortune over a short period. It put his net worth at $27.5 billion on the World's Billionaires List 2024, then at $34.2 billion on the 2025 list. By the 2026 list, Forbes estimated $42.6 billion. Those figures track the value tied to his financial software empire and ION's large base of assets, businesses and market-facing technology operations.
The latest reading is lower than the 2026 annual list but still places him among the richest people in finance technology. Forbes' real-time billionaires tracker showed $40.5 billion in October 2026. The main driver remains ION Group, a London-based firm built around financial data, trading software, banking technology and credit information. Its ownership of companies such as Dealogic and Fidessa helps explain why his wealth is so closely tied to the business.
Career and money timeline
- 1994
He began working as a bond trader at Salomon Brothers.
- 1997
He founded the ION Investment Group in London.
- 1999
He left Salomon Brothers and made ION an independent company.
- 2021
ION invested over €3 billion in Cedacri and Cerved.
- 2024
ION took over Prelios in July and had $31 billion in net assets.
- 2026
Forbes valued his fortune at $42.6 billion on its annual billionaires list.
Andrea Pignataro net worth FAQ
What is Andrea Pignataro's net worth?
Andrea Pignataro's net worth is an estimated $40.5 billion, according to Forbes Real-Time Billionaires, Andrea Pignataro profile (October 20, 2026). It is an estimate, not an official figure.
How did Andrea Pignataro get so rich?
The main sources named in the reporting we cite are: Financial software.
Is Andrea Pignataro a billionaire?
Yes. Forbes Real-Time Billionaires estimates Andrea Pignataro is worth $40.5 billion.
How has Andrea Pignataro's net worth changed?
The earliest published estimate we track is $27.5 billion (2024, Forbes World's Billionaires List 2024). The latest is $40.5 billion (October 20, 2026).
What is Andrea Pignataro known for?
He is best known for founding and leading ION Group. The company develops software and technology for the financial sector.
What companies are part of ION Group?
Forbes notes that ION owns businesses including Dealogic and Fidessa. The group also operates across markets, analytics, core banking, corporates and credit information.
Sources
- Forbes Real-Time Billionaires, Andrea Pignataro profile (October 20, 2026)
- Forbes World's Billionaires List 2024, Andrea Pignataro profile (April 2, 2024)
- Forbes World's Billionaires List 2025, Andrea Pignataro profile (April 2025)
- Forbes World's Billionaires List 2026, Andrea Pignataro profile (March 10, 2026)
- U.S. Bureau of Labor Statistics, Usual Weekly Earnings (Q2 2026) (July 2026)
- Federal Reserve, 2025 Survey of Consumer Finances (median family net worth, Table 4) (October 2026)
- Background facts: Wikipedia, Andrea Pignataro (accessed October 22, 2026). Used for career facts only, never for figures.
Every number on this page is an estimate published by the source named next to it. We never fill in years with our own guesses. How we handle estimates.