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Antofagasta plc is a London-listed (FTSE 100), Chile-focused pure-play copper miner, majority-controlled by the Luksic family. It operates four mines in Chile — Los Pelambres and Centinela (open-pit concentrators with flotation), Antucoya and
GLEIF (checked 2026-09-03) has an ISSUED LEI for Antofagasta plc but reports no parent on file (parent_reported: false, is_own_ultimate_parent: false) — consistent with the company being controlled by a family/foundation structure rather than a corporate parent, so no parent_slug applies.
Named counterparties identified by open-source research and written only where a primary source states the relationship — never inferred from sector or co-mention. 3 customer-side. This is a partial view: it covers the relationships we could evidence, not the company's full supply base.
Minera Los Pelambres (Los Pelambres mine, Salamanca, Coquimbo, Chile; Antofagasta 60%) audited FY2024 separate IFRS statements filed with Chile's CMF (SARYT royalty registry; image scan), Note 23 b) Transacciones con empresas relacionadas: 'Pan Pacific Copper Co., Ltd. | Ventas | 860.487' (MUS$ 2024; 546.160 in 2023), i.e. US$860m of 2024 sales; PPC also received US$150m dividends. PPC is JX Advanced Metals' copper-smelting subsidiary; its smelters (Saganoseki, Oita; Hibi, Tamano) are in Japan. Nippon LP Resources UK Limited Agencia en Chile holds 25% of Pelambres (Note 21; equity, not a purchase share), hence related_party. Refreshes a 2018 JX release row. FY2025 statements not yet posted to CMF as of 2026-09-27.
Minera Los Pelambres (Los Pelambres mine, Coquimbo, Chile; Antofagasta 60%) audited FY2024 separate IFRS statements filed with Chile's CMF (SARYT registry; image scan), Note 23 b) related-party transactions: 'Mitsubishi Materials Corporation | Ventas | 404.911' (MUS$ 2024; 287.927 in 2023), i.e. US$405m of 2024 sales. MMC's copper smelters (Naoshima, Kagawa; Onahama, Fukushima) are in Japan. MM LP Holding BV holds 15% of Pelambres (Note 21), hence related_party.
Shanghai Metals Market (trade press, 2023-06-26): 'Antofagasta completed negotiations on TCs under long-term contracts between July 2023 and June 2024 with South Korean LS-MnM smelter'. Antofagasta's concentrate-producing mines (Los Pelambres, Centinela) are in Chile per its Annual Report 2025; LS MnM's Onsan smelter is in Korea. Not a company filing; no tonnage or TC level stated. Antofagasta AR 2025 (p.196) shows South Korea revenue of $467.8m in 2025 but does not name the customer.
Scope. Absence of a counterparty here is not evidence that none exists — most commercial sourcing is confidential and never becomes public. Rows without a share figure mean no share was disclosed, not that the relationship is small.
Another tracked dossier names this company as a counterparty in its own sourced disclosure — this platform never wrote these rows on this company's own page, they are read here inverted from the dossier that disclosed them. This is a partial view: 982 additional named-counterparty rows across the corpus could not be matched to a tracked dossier by name at all (mostly non-Latin legal names), so the true count is higher than what renders here.
Shanghai Metals Market (trade press, 2023-06-26): 'Antofagasta completed negotiations on TCs under long-term contracts between July 2023 and June 2024 with South Korean LS-MnM smelter'. Antofagasta's concentrate-producing mines (Los Pelambres, Centinela) are in Chile per its Annual Report 2025; LS MnM's Onsan smelter is in Korea. Not a company filing; no tonnage or TC level stated.
Scope. This section is inverted evidence: each linked dossier wrote the original row about itself, describing its own relationship to this company. It is never a claim this company itself disclosed. Absence here is not evidence of no relationship — most of the corpus has no named-counterparty block at all yet.
This company sits on the supply side for 2 of its 2 materials — a restriction on those is a tailwind, not a headwind.
As a producer, policy pressure across its produced materials is flat.
Descriptive trend in official policy actions on this company’s materials — a policy-pressure trend, not a price or trading signal. No forward probability is implied. Direction is measured on actions we have discovered, and discovery lags events: where the recent window is too thin to support a calm reading, the row says coverage-limited instead of easing.
🇨🇱 CL accounts for 100% of severity-weighted pressure.