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Billionaire Profile
Iris Fontbona & family
Global Rank
#36

Iris Fontbona & family

CEO, Mining
Santiago, Chile
Real-Time Net Worth
$50.6B
Estimated based on Mining stock value as of September 10, 2026
-0.92% (24h)
Age
83
Source
Mining
Industry
Metals & Mining
Citizenship
Chile

Biography

Iris Fontbona is a Chilean businesswoman and mining magnate. As the widow of Andrónico Luksic Abaroa, she inherited and expanded his business empire, primarily in mining, through Antofagasta PLC. Her leadership has solidified her position as the wealthiest person in Chile. Fontbona and her family also hold significant stakes in various Chilean companies, including a major bank and a large brewer. Beyond her business ventures, she is known for her philanthropy, particularly her support of education and initiatives aiding children with disabilities.

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Data Updated
Sep 10, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$50.6B
2025$52.6B
2024$51.5B
2023$51.5B
2020$17.4B

Portfolio Holdings

Antofagasta PLC

Antofagasta PLC

ANTOMetals Mining
$28.1B
Holdings Value
Ownership
60.66%
Market Cap
$44.6B
Stock Price
$3381
Revenue
$8.62B
London, England, UK
8,095 employees
Founded 1888
Quiñenco

Quiñenco

Conglomerate
Ownership
83%
Santiago, Chile

In-Depth Profile

Early Life

Iris Balbina Fontbona González was born in 1942 or 1943 in Antofagasta, Chile. She attended a Catholic high school. At 17, she met Andrónico Luksic Abaroa, whom she married when she was 20.

Rise to Success

Fontbona inherited her husband's vast business empire upon his death in 2005. She took control of the Luksic Group, expanding its mining, finance, and beverage holdings. Her leadership has been instrumental in maintaining and growing the family's wealth, making her the wealthiest person in Chile. Her family controls Antofagasta PLC, a leading copper producer, and Quiñenco, a major Chilean conglomerate.

Key Business Strategies

Fontbona's business approach is characterized by conservative management and a focus on long-term growth. The family maintains private ownership of their businesses, ensuring stability and control over their investments. This strategy has allowed Antofagasta PLC to become a significant player in the global copper market.

Philanthropy

Iris Fontbona is actively involved in philanthropy. She has made substantial donations to the Chilean Telethon, supporting children with disabilities. She has also financed the construction of schools in Chile, reflecting her commitment to education and community development.

Career Milestones

2005

Inherited Luksic Group

Assumed control of the Luksic Group after the death of her husband, Andrónico Luksic Abaroa.

2015

Donated to Chilean Telethon

Made a record donation of approximately $3.9 million to the Chilean Telethon.

Philanthropy & Social Impact

Healthcare

Chilean Telethon

$3.9M

Donated to the Chilean Telethon, which supports children with physical disabilities.

Education

School Construction

Financed the construction of a new school in Antofagasta.

Business Philosophy & Leadership

Notable Quotes

"The meaning of wealth lies in that it can bring positive changes to society."

Leadership Principles

Family Values

Prioritizing family stability and the stewardship of the family legacy.

Philanthropy

Channeling wealth back into society through education and healthcare initiatives.

Conservative Management

Focusing on long-term growth and maintaining private ownership to ensure stability.

Billionaires Connected to Iris Fontbona & family

Richest in Chile

All billionaires from Chile

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Iris Fontbona & family's net worth in 2026?
As of 2026, Iris Fontbona & family's estimated net worth is $50.594 billion, ranking #36 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Iris Fontbona & family make their money?
Iris Fontbona & family's wealth primarily comes from Mining, most notably through Mining.
Where is Iris Fontbona & family from?
Iris Fontbona & family is from Chile.
How old is Iris Fontbona & family?
Iris Fontbona & family is 83 years old.

Sources & References

  1. Iris Fontbona & family — Forbes profile Forbes