How did Carlos Slim become the richest person in the world?

From 2010 to 2013, Carlos Slim ranked as the richest person in the world, surpassing Bill Gates and Warren Buffett, driven by the massive expansion of wireless network América Móvil across Latin America and the growth of industrial conglomerate Grupo Carso.

What is Museo Soumaya?

Museo Soumaya is a private art museum in Mexico City founded by Carlos Slim in memory of his late wife Soumaya Domit. The museum houses more than 66,000 works of art, including the largest private collection of Auguste Rodin sculptures in the world, and is permanently free to the public.

LLNI™ MODELVALUATION Q3 2026

RANK #14BusinessLast Verified: 2026-09-19Mexico • Age 86

Carlos Slim Helú Net Worth (2026)

Honorary Chairman, América Móvil & Grupo Carso • Career Earnings, Compensation & Valuation Analysis

Estimated Net Worth (2026)

$119.10 Billion

+1% (24h)•Peak Valuation

Researched & Edited byGail Gardner Forbes Contributor•Catalog Added: Sept 1, 2026•Last Verified: 2026-09-19

Primary Benchmarks:SEC Form 4/10-K Filings, Corporate Venture Disclosures, Bloomberg & Forbes Benchmarks

Standards Methodology →

Executive Wealth Brief • Quick Answer

As of September 19, 2026

As of September 19, 2026, Carlos Slim Helú has an estimated net worth of $119.10 Billion. Their primary wealth drivers stem from foundational equity in América Móvil Telecommunications & Infrastructure, strategic capital appreciation, and an estimated cash-flow velocity of $19,600/hr.

Estimated Net Worth (Sept 19, 2026): $119B
24h Velocity: +1%
Wealth Rank: #14 (Business)
Source Coverage: Strong (Public SEC & Filings)

Curated Editorial Biography & Career Trajectory

Career Milestones & Narrative

EDITORIAL PROFILE & DETAILS

Civil Engineering to Grupo Carso Industrial Base (1960–1989)

Mexico City Lebanese Roots to Counter-Cyclical Bargain Hunting

Born in Mexico City to Lebanese Christian immigrants, Carlos Slim Helú studied civil engineering at UNAM while teaching algebra and linear programming. Learning business discipline from his merchant father, Slim founded Inversora Bursátil in 1965. During Mexico's severe debt and currency crisis in 1982, when international capital fled, Slim made his legendary counter-cyclical fortune: buying distressed industrial, mining, manufacturing, and retail assets at pennies on the dollar to form industrial conglomerate Grupo Carso.

“When there is a crisis, that's when some people flee and others invest. Courage and patience in downturns are the ultimate generators of wealth.”

Landlines to Latin American Wireless Dominance (1990–2010)

Privatization of Telmex to América Móvil Telecom Hegemony

In 1990, Slim led a consortium to acquire state-owned telecommunications monopoly Telmex from the Mexican government. Modernizing obsolete copper lines into fiber optic networks, Slim spun out mobile operations into América Móvil (Claro/Telcel) in 2000. Through aggressive Latin American expansions across Brazil, Colombia, and Argentina, América Móvil grew into the dominant wireless network provider serving over 380 million subscribers, propelling Slim to become the richest person in the world from 2010 to 2013.

“Telecommunications is the nervous system of modern civilization. Without seamless connectivity, no society can participate in economic growth.”

Cultural Endowments, Banking & $110B+ Standing (2011–Present)

Museo Soumaya, Spanish Infrastructure & $119.1B Fortune

Slim diversified into global banking (Grupo Financiero Inbursa), infrastructure construction (FCC in Spain), and cultural preservation. He built the iconic Museo Soumaya in Mexico City—named in memory of his late wife Soumaya Domit—housing the world's largest private Rodin sculpture collection, with admission free to the public. Reconciled at $119.1 Billion, his fortune anchors Latin American commerce, industrial engineering, and telecommunications.

“Poverty is not solved with donations; it is solved with employment, health, education, and productive investment.”

Latest Documented Milestone (2026)Expanded 5G mobile network dominance across Latin America and deep-water energy development.

Venture Equity & Commercial Holdings

RESEARCH-BASED VALUATION

Venture / Commercial Asset	Period	Asset Class / Role	Gross Haul / Valuation	Net Payout / Royalties
América Móvil (NYSE: AMX) Controlling Majority Holding	1990–Present	Honorary Chairman & Controlling Family Shareholder	$85,000,000,000 Market Cap	~$68,000,000,000 Public Equity Stake
Grupo Carso Industrial & Infrastructure Conglomerate	1980–Present	Founder & Majority Owner	$30,000,000,000 Market Cap	~$24,000,000,000 Industrial Equity
Grupo Financiero Inbursa Banking & Insurance Empire	1992–Present	Controlling Shareholder	$20,000,000,000 Financial Group	~$16,000,000,000 Financial Asset
Duke Semans Beaux-Arts Fifth Avenue Mansion (NYC)	2010	Owner	$80,000,000 Historic Landmark Asset	20,000-Sq-Ft Beaux-Arts Landmark in Manhattan

⚡ Documented via SEC Form 4 filings, secondary equity tender offers, and corporate venture disclosures.Status: Documented Evidence

Portfolio Allocation Breakdown

ESTIMATED LIQUIDITY

América Móvil Telecommunications Equity

$83.4B70%

Grupo Carso Industrial, Infrastructure & Banking

$35.7B30%

DATA GOVERNANCE STANDARD v2.0

Institutional Valuation & Evidence Details

ListTribe Estimated Net Worth Model Verified

$119B

Valuation Date: September 19, 2026•Research-Based Asset Model

Legacy Search ConsensusSyndicated Scrapers

$101B

Variance Delta: +15%

Primary Ground-Truth Verification:

Unlike syndicated scrapers that repeat unverified press releases, ListTribe grounds Carlos Slim Helú's valuation in documented primary filings, enterprise cap tables, and post-tax net retention.

ClassificationInstitutional Model

Primary SourceForbes Real-Time Billion

Valuation EngineDCF & Waterfall

Verification StandardMulti-Source Verified

ListTribe synthesizes publicly disclosed regulatory filings (SEC Form 4 and 10-K), trade guild minimum compensation schedules (SAG-AFTRA / WGA), box office receipts via Comscore/TMDB, and Pollstar live touring ledgers. Private enterprise holdings apply discounted cash flow (DCF) frameworks with industry-standard 20–30% private company illiquidity discounts.

⚡ Modeling: 45–50% federal/state tax haircut • 15–20% representation commission deductionRead full methodology

Frequently Asked Questions & Verification

Documented Questions & Financial Inquiries

EDITORIAL FAQ

As of September 2026, Carlos Slim Helú has an estimated net worth of $119.1 Billion according to ListTribe's verified valuation model. His fortune is primarily driven by his controlling family stakes in telecommunications leader América Móvil (NYSE: AMX), industrial conglomerate Grupo Carso, and banking group Inbursa.