--- title: "Semi-Equipment 13F Reading: AMAT, LRCX, KLAC, ASML" type: learn slug: semi-equipment-13f-amat-lrcx-klac-asml-reading-guide canonical_url: https://13finsight.com/learn/semi-equipment-13f-amat-lrcx-klac-asml-reading-guide published_at: 2026-05-15T08:52:15.753Z updated_at: 2026-05-15T08:52:19.762Z author: Sarah Mitchell author_title: Education Editor author_url: https://13finsight.com/authors/sarah-mitchell word_count: 585 locale: en source: 13F Insight --- # Semi-Equipment 13F Reading: AMAT, LRCX, KLAC, ASML > The AI capex cycle flows through semiconductor equipment suppliers. Applied Materials, Lam Research, KLA Corp, ASML, and Tokyo Electron capture economics on every new fab capacity addition. Capital Research, Arrowstreet, and other institutional managers concentrate in these names at meaningful weights. The AI training-cluster capex cycle has driven sustained equipment-and-materials demand across the semiconductor manufacturing supply chain. Applied Materials, Lam Research, KLA Corp, ASML Holding, and Tokyo Electron capture economics on every new fab capacity addition at TSMC, Samsung, Intel, and US semiconductor manufacturers. As hyperscalers commit to $300+ billion annual AI infrastructure capex, the equipment suppliers see multi-year revenue visibility. Institutional managers — particularly the Capital Group complex and quant-factor systematic managers — concentrate in these names at meaningful weights. Capital Research Global Investors holds AMAT at 1.56% portfolio. Arrowstreet Capital holds LRCX at 1.64% and ASML at 1.27% — combining for ~2.9% portfolio in semi-equipment.The semiconductor manufacturing supply chainSemiconductor manufacturing requires hundreds of process steps across multiple categories of equipment:Wafer-fabrication equipment leadersApplied Materials (AMAT): Dominant in deposition (atomic-layer, chemical-vapor, physical-vapor), etching, ion implantation, chemical-mechanical planarization. World's largest semiconductor equipment manufacturer.Lam Research (LRCX): Dominant in etching plus deposition. Strong in memory manufacturing.KLA Corp (KLAC): Dominant in inspection-and-metrology equipment for yield improvement.Tokyo Electron (TEL — not US-listed): Dominant in coater-developer and etching equipment.Lithography monopolyASML Holding (ASML): Monopoly in extreme-ultraviolet (EUV) lithography required for sub-7nm chip manufacturing. Order backlog stretches into 2027.Materials and chemicalsEntegris (ENTG), MKS Instruments (MKSI), Lattice Semiconductor (LSCC): Specialty materials, process control, vacuum systems.Why institutional managers concentrate in semi-equipmentThree structural drivers produce concentrated active positions:AI capex multi-year visibility. Hyperscaler AI infrastructure commitments through 2026-2028 provide unusually long revenue visibility for equipment suppliers.Oligopolistic market structure. Each semi-equipment category has 2-4 dominant suppliers globally. Competitive moats are durable from technology complexity and customer-relationship inertia.Capital-light economics beyond fab capacity. Equipment suppliers have lower capex requirements than fab operators. Free-cash-flow conversion is high.The major institutional semi-equipment positionsFilerPositionWeightCapital Research Global InvestorsAMAT1.56%Arrowstreet CapitalLRCX1.64%Arrowstreet CapitalASML1.27%Capital World InvestorsAMAT, AVGOMeaningful overweightsCapital International InvestorsAVGO, semi-equipment namesConcentrated overweightsState Farm MutualASML2.87% portfolioThe combined institutional consensus across these names reflects the AI-buildout thesis distributed across the equipment-and-materials supply chain.How to read semi-equipment 13F positioningThree rules:Rule 1: Read the full supply-chain spreadIndividual semi-equipment positions are less informative than the combined supply-chain position. When the same filer holds AMAT + LRCX + KLAC + ASML at meaningful weights, the diversified semi-equipment thesis is structural. Single-name positions may reflect idiosyncratic views.Rule 2: Watch hyperscaler capex announcementsGoogle, Meta, Microsoft, Amazon AI-cluster capex disclosures lead semi-equipment customer order patterns by 12-24 months. Aggregated hyperscaler capex provides the leading indicator for institutional positioning.Rule 3: Cross-check against memory and foundry cyclesMemory manufacturers (Micron, Samsung Memory, SK Hynix) and foundry operators (TSMC, Samsung, Intel) drive semi-equipment customer demand. Watch their capex disclosures plus cycle-position indicators (memory pricing, foundry utilization rates).What's notably absent in semi-equipment 13FsThree observations:No Berkshire position. Buffett held TSMC briefly in 2022-2023 then exited. Berkshire has not built concentrated semi-equipment positions despite the quality-compounder economics.Limited specialty-tech fund concentration. Pure-tech specialist funds (Tiger Global, Coatue, Lone Pine) tend to favor semiconductor design names (NVDA, AMD, AVGO) rather than equipment-and-materials. Equipment-and-materials are Capital Group and quant-factor consensus rather than tech-specialist concentrations.No activist 13D filings. Semi-equipment leaders run disciplined capital allocation. No external activist engagement.What to trackApplied Materials, Lam Research, KLA Corp quarterly earnings. Equipment order book, leading-edge node revenue mix, and customer concentration.ASML order book and EUV deliveries. EUV machines have multi-year lead times; order pattern leads industry capex cycle.Hyperscaler AI capex disclosures. Google, Meta, Microsoft, Amazon AI-cluster spending trajectories.TSMC and Samsung fab capacity announcements. Major fab capacity additions translate into equipment orders 12-24 months later.For real-time tracking of semi-equipment 13F activity, see the institutional signals feed. For related reading techniques on quant-factor and Capital Group multi-vehicle positioning, see our quant fund 13F reading guide. ## FAQ ### Which companies dominate semi-equipment supply? Five dominant equipment-and-materials companies: Applied Materials (AMAT) dominant in deposition, etching, ion implantation; Lam Research (LRCX) dominant in etching and memory manufacturing; KLA Corp (KLAC) dominant in inspection-and-metrology; ASML Holding (ASML) monopoly in EUV lithography for sub-7nm nodes; Tokyo Electron (TEL — not US-listed) dominant in coater-developer and etching. Combined, these companies capture the majority of global fab capacity equipment spending. ### Why does Capital Research hold 1.56% in AMAT? Capital Research Global Investors' 1.56% Applied Materials position reflects the Capital Group complex's broader thesis on AI-driven semiconductor manufacturing supply chain. AI training-cluster capex drives sustained semi-equipment demand through 2026-2028 as hyperscalers (Google, Meta, Microsoft, Amazon) deploy $300+ billion annually for AI infrastructure. AMAT captures economics on deposition and etching steps occurring multiple times in advanced-node manufacturing. ### Why does Arrowstreet Capital hold both LRCX and ASML? Arrowstreet Capital's quant-factor systematic model holds LRCX at 1.64% portfolio and ASML at 1.27% portfolio — combining for ~2.9% in semi-equipment. The combined exposure reflects multi-factor scoring (quality, momentum, value) producing convergent positioning across the AI-capex thesis. Two semi-equipment names inside the top 10 of a $184 billion quant book is a strong signal that the multi-factor model is positioned for sustained equipment-cycle demand. ### Why doesn't Berkshire hold semi-equipment names? Warren Buffett held TSMC briefly in 2022-2023 then exited. Berkshire has not built concentrated semi-equipment positions despite the quality-compounder economics. The structural reasons likely include: (1) semi-equipment cycles are cyclical even though long-horizon trends are durable; (2) Buffett's stated preference for closed-loop network economics over multi-stage industrial supply chains; (3) circle-of-competence considerations on technology specifics. ### How do I track the semi-equipment cycle? Four signals: (1) Applied Materials, Lam Research, KLA Corp quarterly earnings — equipment order book, leading-edge node revenue mix, customer concentration; (2) ASML EUV order book — EUV machines have multi-year lead times leading the industry cycle; (3) hyperscaler AI capex disclosures from Google, Meta, Microsoft, Amazon; (4) TSMC and Samsung fab capacity announcements — major capacity additions translate to equipment orders 12-24 months later. ### Are there activist positions in semi-equipment? No. Semi-equipment leaders (Applied Materials, Lam Research, KLA Corp, ASML) run disciplined capital allocation under stable long-running management teams. No external activist has filed against these companies despite the cyclical-equipment sector's historical volatility. Institutional support sits with Capital Group's concentrated active overweights plus quant-factor systematic managers (Arrowstreet, AQR, Renaissance), without activist-driven repositioning. --- Source: 13F Insight — https://13finsight.com/learn/semi-equipment-13f-amat-lrcx-klac-asml-reading-guide Author: Sarah Mitchell — https://13finsight.com/authors/sarah-mitchell Last updated: 2026-05-15T08:52:19.762Z