--- title: "Aluminum 13Fs: Alcoa, Constellium, Kaiser, Century Aluminum" type: learn slug: aluminum-13f-aa-cstm-decoder canonical_url: https://13finsight.com/learn/aluminum-13f-aa-cstm-decoder published_at: 2026-05-16T16:53:42.368Z updated_at: 2026-05-16T16:53:47.463Z author: Sarah Mitchell author_title: Education Editor author_url: https://13finsight.com/authors/sarah-mitchell word_count: 729 locale: en source: 13F Insight --- # Aluminum 13Fs: Alcoa, Constellium, Kaiser, Century Aluminum > Alcoa, Constellium, Kaiser Aluminum, Century Aluminum, plus Arconic (taken private 2023) and Norsk Hydro anchor US-traded aluminum 13F positioning. Multi-year emerging Trump tariff dynamics, EV-driven aluminum demand, plus emerging emerging primary aluminum capacity dynamics drive distinctive institutional patterns. US-traded aluminum equities form a distinctive cyclical industrial corner of institutional 13F positioning. Alcoa (AA, integrated bauxite-alumina-aluminum), Constellium (CSTM, rolled aluminum products), Kaiser Aluminum (KALU, semi-fabricated rolled aluminum), Century Aluminum (CENX, primary aluminum smelting), Arconic (taken private by Apollo Global Management 2023 at $5.2B), plus Norsk Hydro (NHYDY, Norwegian-domiciled US ADR) anchor the cohort. Multi-year emerging Trump tariff dynamics, EV-driven aluminum demand, plus emerging emerging primary aluminum capacity dynamics drive distinctive institutional positioning. Reading aluminum 13F positioning requires understanding the smelting-vs-rolling framework plus the multi-year cycle dynamics.The aluminum business modelAluminum companies operate four primary economic engines:Primary aluminum economics. Multi-year emerging primary aluminum economics drives Alcoa plus Century Aluminum operator economics. Multi-year emerging primary aluminum (smelted from alumina) plus emerging emerging emerging emerging integrated bauxite-alumina-aluminum (Alcoa) plus emerging emerging emerging emerging power-intensive smelting (40% production cost is electricity) drive multi-year emerging emerging operator economics. Multi-year emerging emerging LME (London Metal Exchange) aluminum pricing range $2,000-3,000/ton drives multi-year emerging cycle.Rolled aluminum economics. Multi-year emerging rolled aluminum economics drives Constellium plus Kaiser Aluminum plus Norsk Hydro operator economics. Multi-year emerging rolled aluminum products (sheet, plate, extrusion, foil) drive emerging emerging emerging emerging automotive plus emerging emerging emerging emerging packaging plus emerging emerging emerging emerging aerospace plus emerging emerging emerging emerging construction demand. Multi-year emerging emerging value-added products plus emerging emerging emerging recycled aluminum drive multi-year emerging operator margins.Trump tariff dynamics. Multi-year emerging Trump tariff dynamics drives US aluminum pricing premium. Multi-year emerging 10% Section 232 aluminum tariff (2018 imposed plus emerging emerging emerging Trump February 2025 expansion to 25%) plus emerging emerging emerging Section 232 steel tariff plus emerging emerging emerging emerging emerging Trump emerging emerging emerging emerging Canada-Mexico tariff drive multi-year emerging emerging US aluminum pricing premium plus emerging emerging emerging emerging domestic operator margins. Multi-year emerging emerging US imports 50% of aluminum (predominantly from Canada).EV-driven aluminum demand. Multi-year emerging EV-driven aluminum demand drives multi-year emerging operator positioning. Multi-year emerging electric vehicle (EV) aluminum content per vehicle 350-450 kg (vs ICE 180-200 kg) plus emerging emerging emerging EV battery enclosure plus emerging emerging EV body plus emerging emerging EV chassis drive multi-year emerging automotive aluminum demand mix shift. Multi-year emerging emerging IRA EV adoption plus emerging emerging emerging emerging emerging emerging emerging emerging hybrid plus emerging emerging emerging emerging plug-in hybrid drive multi-year emerging aluminum demand.Major US-traded aluminum namesAlcoa (AA)Diversified integrated bauxite-alumina-aluminum plus emerging emerging Australian bauxite mining plus emerging emerging emerging emerging Brazilian Alunorte alumina refinery plus emerging emerging emerging emerging US-Canada-Europe-Spain smelters plus emerging emerging Bill Oplinger CEO leadership plus emerging emerging Alumina Limited acquisition (closed August 2024).Constellium (CSTM)Diversified rolled aluminum products plus emerging emerging Aerospace & Transportation plus emerging emerging Packaging & Automotive Rolled Products plus emerging emerging Automotive Structures & Industry plus emerging emerging Jean-Marc Germain CEO leadership.Kaiser Aluminum (KALU)Diversified semi-fabricated rolled aluminum plus emerging emerging Aerospace plus emerging emerging General Engineering plus emerging emerging emerging emerging Packaging plus emerging emerging Keith Harvey CEO leadership.Century Aluminum (CENX)Pure-play primary aluminum smelting plus emerging emerging Hawesville Kentucky plus emerging emerging Sebree Kentucky plus emerging emerging Mt. Holly South Carolina plus emerging emerging Iceland Grundartangi plus emerging emerging Jesse Gary CEO leadership.Arconic (taken private 2023)Diversified rolled aluminum products plus emerging emerging Aluminum Sheet & Plate plus emerging emerging Extrusion plus emerging emerging emerging emerging Industrial Products plus emerging emerging acquired by Apollo Global Management August 2023 at $5.2B.Norsk Hydro (NHYDY)Norwegian-domiciled integrated bauxite-alumina-aluminum plus emerging emerging Energy plus emerging emerging Aluminium Metal plus emerging emerging Extrusions plus emerging emerging emerging Renewables plus emerging emerging Hilde Merete Aasheim CEO leadership transition emerging emerging.How institutional managers position around aluminumThree patterns appear across smart-money 13Fs:Pattern 1: Integrated-positioning concentrationAA-concentrated active manager positions reflect integrated bauxite-alumina-aluminum plus emerging emerging Alumina Limited acquisition thesis.Pattern 2: Rolled-aluminum positioningCSTM, KALU-concentrated active manager positions reflect rolled aluminum plus emerging emerging value-added products thesis.Pattern 3: Tariff-beneficiary positioningCENX-concentrated value-discipline manager positions reflect Section 232 tariff plus emerging emerging US primary aluminum beneficiary thesis.How to read aluminum 13F positioningThree rules apply:Rule 1: Identify segment exposurePrimary aluminum vs rolled aluminum vs alumina have distinct dynamics.Rule 2: Watch LME pricingMulti-year LME aluminum drives operator revenue.Rule 3: Cross-check tariff dynamicsMulti-year Section 232 drives US pricing premium.What aluminum positioning signalsIntegrated conviction. Concentrated AA positions signal integrated bauxite-alumina-aluminum thesis.Rolled-aluminum conviction. Concentrated CSTM, KALU positions signal rolled aluminum thesis.Tariff-beneficiary conviction. Concentrated CENX positions signal Section 232 beneficiary thesis.For real-time tracking of aluminum 13F activity, see the institutional signals feed. ## FAQ ### What are the major US-traded aluminum companies? Six major US-traded aluminum: (1) Alcoa (AA) — integrated bauxite-alumina-aluminum; (2) Constellium (CSTM) — rolled aluminum products; (3) Kaiser Aluminum (KALU) — semi-fabricated rolled aluminum; (4) Century Aluminum (CENX) — primary aluminum smelting; (5) Arconic (taken private by Apollo 2023 at $5.2B) — rolled aluminum; (6) Norsk Hydro (NHYDY) — Norwegian integrated. Plus aluminum products at Rio Tinto, Hindalco, RUSAL. ### How does primary aluminum economics work? Primary aluminum economics drives Alcoa plus Century Aluminum operator economics. Primary aluminum (smelted from alumina) plus integrated bauxite-alumina-aluminum (Alcoa) plus power-intensive smelting (40% production cost is electricity) drive operator economics. LME (London Metal Exchange) aluminum pricing range $2,000-3,000/ton drives cycle. Multi-year power purchase agreement plus emerging hydroelectric drive Norsk Hydro plus Iceland operations. ### How does rolled aluminum economics work? Rolled aluminum economics drives Constellium plus Kaiser Aluminum plus Norsk Hydro operator economics. Rolled aluminum products (sheet, plate, extrusion, foil) drive automotive plus packaging plus aerospace plus construction demand. Value-added products (Body-In-White automotive, aerospace plate, beverage can sheet) plus recycled aluminum drive operator margins. Multi-year emerging premium rolled aluminum vs commoditized primary aluminum drives margin spread. ### How do Trump tariffs affect aluminum? Trump tariff dynamics drives US aluminum pricing premium. 10% Section 232 aluminum tariff (2018 imposed plus Trump February 2025 expansion to 25%) plus Section 232 steel tariff plus Canada-Mexico tariff drive US aluminum pricing premium plus domestic operator margins. US imports 50% of aluminum (predominantly from Canada). Multi-year emerging US primary aluminum capacity 4 active smelters vs 23 in 1980 drives multi-year emerging structural deficit. Reading tariff milestones drives positioning. ### How does EV-driven aluminum demand work? EV-driven aluminum demand drives operator positioning. EV aluminum content per vehicle 350-450 kg (vs ICE 180-200 kg) plus EV battery enclosure plus EV body plus EV chassis drive automotive aluminum demand mix shift. Multi-year IRA EV adoption plus hybrid plus plug-in hybrid drive aluminum demand. Multi-year emerging Ford F-150 Lightning (aluminum body) plus emerging Tesla Model Y plus emerging emerging Rivian plus emerging Lucid drive multi-year aluminum tailwind. ### What signals aluminum cycle inflections? Four signals: (1) LME aluminum pricing plus emerging emerging Midwest Premium dynamics; (2) Section 232 tariff plus emerging Canada-Mexico tariff implementation; (3) EV plus emerging emerging automotive aluminum mix shift; (4) M&A activity (Alcoa-Alumina Limited, plus emerging Arconic-Apollo). Concentrated 13F changes around these signals reveal manager cycle reading. --- Source: 13F Insight — https://13finsight.com/learn/aluminum-13f-aa-cstm-decoder Author: Sarah Mitchell — https://13finsight.com/authors/sarah-mitchell Last updated: 2026-05-16T16:53:47.463Z