Net worth
$47.3B
Forbes Real-Time · as of Sep 24, 2026
Latest moves
No moves from Iris Fontbona & family in the digest yet. The archive grows every morning.
Recent SEC filings
No SEC filings in the last 90 days.
Form 4 insider trades post within 2 business days. 13F fund holdings can arrive 45 days after quarter end. New to filings? Read Filings 101.
Footprint
Companies
Antofagasta plcANTO · LSE · Controlled via Metalinvest and… · Metalinvest 50.72% +… · as of Dec 2025
source ↗More
- Ticker
- ANTO
- Exchange
- LSE
- Role
- Controlled via Metalinvest and Kupferberg Establishments (E. Abaroa Foundation, in which Luksic family members are interested); son Jean-Paul Luksic is Chairman
- Stake
- Metalinvest 50.72% + Kupferberg 9.94% of ordinary shares (58.04% + 8.27% of total share capital)
- Stake as of
- 2025-12-31
Quiñenco S.A.QUINENCO · Santiago Stock Exchange · Family holding company · 82.9% · as of Dec 2025
source ↗More
- Ticker
- QUINENCO
- Exchange
- Santiago Stock Exchange
- Role
- Family holding company; 82.9% held by Luksic family companies (Andsberg 41.29%, Ruana Copper 17.01% - both under Luksburg Foundation; Inversiones Consolidadas 8.48% etc.)
- Stake
- 82.9% (family companies combined)
- Stake as of
- 2025-12-31
Banco de ChileBCH · NYSE / Santiago (CHILE) · Controlled by Quiñenco via LQIF… · 51.3% · as of Mar 2026 · $41.50 ▼ 0.72%
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- Ticker
- BCH
- Exchange
- NYSE / Santiago (CHILE)
- Role
- Controlled by Quiñenco via LQIF, jointly with Citigroup
- Stake
- 51.3% control
- Stake as of
- 2026-03
Compañía Cervecerías Unidas (CCU)CCU · NYSE / Santiago · Jointly controlled by Quiñenco and… · 65.9% · as of Mar 2026 · $10.93 ▼ 1.80%
source ↗More
- Ticker
- CCU
- Exchange
- NYSE / Santiago
- Role
- Jointly controlled by Quiñenco and Heineken
- Stake
- 65.9% control
- Stake as of
- 2026-03
Compañía Sud Americana de Vapores (CSAV)VAPORES · Santiago · Quiñenco subsidiary · 66.45% · as of Mar 2026
source ↗More
- Ticker
- VAPORES
- Exchange
- Santiago
- Role
- Quiñenco subsidiary; owns 30% of Hapag-Lloyd
- Stake
- 66.45% (Quiñenco)
- Stake as of
- 2026-03-31
Stakes
NexansNEX · Reduced from 9.2% to 4.1%… · as of Feb 2026
source ↗More
- Ticker
- NEX
- Stake
- Reduced from 9.2% to 4.1% after Feb 2026 sale (Quiñenco via Invexans)
- Stake as of
- 2026-02-24
Compañía de Minas Buenaventura S.A.A.BVN · ~19% · as of Dec 2025
source ↗More
- Ticker
- BVN
- Stake
- ~19% beneficial ownership (Antofagasta)
- Stake as of
- 2025-12-31
Aureberg Establishment stake in Antofagasta (Severe Studere Foundation, controlled by Jean-Paul Luksic)ANTO · 4.26% · as of Dec 2025
source ↗More
- Ticker
- ANTO
- Stake
- 4.26% of ordinary shares
- Stake as of
- 2025-12-31
Investment vehicles
E. Abaroa Foundationtrust
source ↗More
- Type
- trust
- Notes
- Ultimate parent of Antofagasta; controls Metalinvest and Kupferberg Establishments; Luksic family members interested
Metalinvest Establishmentholding co
source ↗More
- Type
- holding co
- Notes
- Immediate parent of Antofagasta (50.72% ordinary)
Kupferberg Establishmentholding co
source ↗More
- Type
- holding co
- Notes
- 9.94% of Antofagasta ordinary shares
Luksburg Foundation (via Andsberg Inversiones SpA and Ruana Copper A.G. Agencia Chile)trust
source ↗More
- Type
- trust
- Notes
- Indirectly holds 100% of Andsberg (41.29% of Quiñenco) and Ruana Copper (17.01%)
Quiñenco S.A.holding co · CIK 1040649
source ↗More
- Type
- holding co
- Notes
- EDGAR entity 'QUINENCO SA' exists (CIK 1040649); no 13F-HR filings
Private deals
Quiñenco (via Invexans) sold 2.2m Nexans shares at EUR120.01 (~US$310m), stake 9.2% -> 4.1%Feb 2026
source ↗Quiñenco sold 5% of Nexans (2.2m shares at EUR121.5, US$310m); earlier 5% in Nov 2024 (US$234m)Sep 2025
source ↗Quiñenco bought additional 3.4% of SM SAAM, reaching 66.0%Nov 2025
source ↗Hapag-Lloyd (30% CSAV) agreed to acquire 100% of ZIM for US$35/share (>US$4bn); subject to regulatory approvalsFeb 2026
source ↗CCU bought Nestlé Chile's 49.9% of Aguas CCU-Nestlé (~Ch$164.6bn), reaching 100%Jun 2026
source ↗Leadership changes: Quiñenco CEO Francisco Pérez left to become Chile's Foreign Minister; Macario Valdés named CEO…Feb 2026
source ↗More
- In full
- Leadership changes: Quiñenco CEO Francisco Pérez left to become Chile's Foreign Minister; Macario Valdés named CEO; Andrónico Luksic Lederer Vice Chairman
- Date
- 2026-02/03
Trophies
Canal 13 Chilean TV station (Wikipedia cites 70% stake; older figure, current stake not verified)
source ↗Luxury hotels and resort in Croatia (per Wikipedia; not independently verified)
source ↗Legal & regulatory
Twin Metals Minnesota (100% Antofagasta) copper-nickel project on hold pending litigation challenging US federal…
source ↗More
- In full
- Twin Metals Minnesota (100% Antofagasta) copper-nickel project on hold pending litigation challenging US federal government actions against its development
Antofagasta's controlling-shareholder structure: non-compliance with UK Corporate Governance Code Provisions 9 and 19…
source ↗More
- In full
- Antofagasta's controlling-shareholder structure: non-compliance with UK Corporate Governance Code Provisions 9 and 19 (chairman tenure/independence) explained in AR
Chile's updated mining royalty affecting Antofagasta tax position
source ↗Giving
Chilean Teletón donations: CL$3.1bn (2015) and CL$4.4bn (2016) (older)
source ↗Research gaps: No verified personal real estate for Iris Fontbona; no SEC individual CIK or US EIN; which family branch/foundation belongs specifically to Iris Fontbona vs. Andrónico Luksic Craig's branch is not stated in filings (Antofagasta says 'members of the Luksic family'). Canal 13 stake, Croatian hotels and philanthropy (Fundación Luksic) not verified from primary sources. Quiñenco Q3 2026 results date not confirmed. Web search budget exhausted, so recent press (lawsuits, Banco de Chile/CCU regulatory items) not researched.
Prices via Finnhub · as of Sep 24, 2026 4:00 PM ET. For information only.
What to watch
Antofagasta 2026 interim dividend paymentSep 30, 2026
source ↗Antofagasta Q3 2026 production reportOct 15, 2026
source ↗Hapag-Lloyd/ZIM acquisition regulatory approvals and closing
source ↗Centinela Second Concentrator Project construction progress (Antofagasta)
source ↗Twin Metals Minnesota federal litigation / lease status
source ↗