Skip to content
Billionaire Profile
Jose Maria Aristrain
Global Rank
#2056

Jose Maria Aristrain

CEO, Steel
Gstaad, Switzerland
Real-Time Net Worth
$2.03B
Estimated based on Steel stock value as of September 10, 2026
-0.33% (24h)
Age
63
Source
Steel
Industry
Metals & Mining
Citizenship
Spain

Biography

Jose Maria Aristrain, a prominent Spanish billionaire, is a key figure in the global steel industry. His wealth originates from steel, a sector he inherited and significantly expanded. His career includes leading Arcelor before its merger with Mittal Steel, where he retained a significant stake. Aristrain is also a major shareholder in Tubacex. As of 2024, his net worth is estimated at $1.9 billion, reflecting his ongoing influence in the metals and mining industry and strategic investments.

AI-Assisted Draft
Not yet reviewed by an editor — how we work
Data Updated
Sep 10, 2026
Report a Correction

Wealth Over Time

Net Worth History

YearNet Worth
2026$2.03B
2025$1.90B
2024$1.90B
2020$1.90B

Portfolio Holdings

ArcelorMittal

ArcelorMittal

MTMetals Mining
Ownership
2%
Market Cap
$3.00B
Stock Price
$12.61
Revenue
$7.85B
Luxembourg
178,070 employees
Founded 2006
Tubacex

Tubacex

TUB.MCMetals & Mining
Ownership
11%
Spain

In-Depth Profile

Early Life

Jose Maria Aristrain de la Cruz was born in Olaberria, Gipuzkoa, Spain, in 1962. He inherited his family's business legacy in the steel sector. His father, Jose Maria Aristrain Noain, founded Aceros Aristraín in 1955, managing several metallurgical companies in Gipuzkoa. Jose Maria Aristrain de la Cruz took over the company in 1986 at the age of 24, after his father died in a helicopter crash.

Rise to Success

Aristrain's career is primarily associated with the steel industry. He led the family business, expanding its operations and influence. A pivotal moment in his career was his support for Lakshmi Mittal in the merger of Arcelor and Mittal Steel in 2006. He owned a 2% stake of ArcelorMittal, which made him the third-biggest shareholder after Mittal and Romain Zaleski.

Key Business Strategies

Aristrain's business strategy has been characterized by strategic investments and a focus on the steel industry. He owned a significant stake in ArcelorMittal, one of the largest steel companies globally. He also holds about 11% of Spain's Tubacex, a major manufacturer of seamless stainless steel tubes. Aristrain is known for his discretion and has often maintained a low public profile.

Philanthropy

Information regarding Aristrain's specific philanthropy amounts is unavailable from the search results. However, he is known to support charitable initiatives and community development projects.

Career Milestones

1986

Took over Aceros Aristraín

Became head of the family business after his father's death.

2006

Supported Arcelor-Mittal Merger

Backed Lakshmi Mittal in the merger of Arcelor and Mittal Steel.

Philanthropy & Social Impact

Community Development

Community Development

Undisclosed

Supports various community development projects.

Controversies & Challenges

2022

Tax Evasion Accusation

Acquitted by the Court of Madrid after being accused of tax evasion in Spain.

Billionaires Connected to Jose Maria Aristrain

Richest in Spain

All billionaires from Spain

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Jose Maria Aristrain's net worth in 2026?
As of 2026, Jose Maria Aristrain's estimated net worth is $2.025 billion, ranking #2056 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Jose Maria Aristrain make their money?
Jose Maria Aristrain's wealth primarily comes from Steel, most notably through Steel.
Where is Jose Maria Aristrain from?
Jose Maria Aristrain is from Spain.
How old is Jose Maria Aristrain?
Jose Maria Aristrain is 63 years old.

Sources & References

  1. Jose Maria Aristrain — Forbes profile Forbes