Rank #35 · Chile · baseline 2026-03-01

Iris Fontbona & family

Estimated net worth: $52.6 billion · Metals & Mining

Primary asset route

Antofagasta, Quinenco

Equity ownership in scarce-resource extraction, processing and industrial supply chains.

Not reliably disclosed. Net-worth movement is not salary or realised income.

Scarcity can produce exceptional gains, but commodity cycles, geopolitics and capital intensity create severe downside.

Estimated estimate, dated 2026-03-01. Last system check 2026-07-20.

Verify ownership, debt, share sales, dividends, trusts, foundations, contracts and political finance through primary records.

A connection or holding structure does not by itself establish misconduct, control or coordinated activity.