Micron has surged past the $1 trillion valuation mark, becoming the latest chipmaker to ride the relentless global demand for advanced memory used in AI data centres.
The company’s shares have climbed sharply as hyperscalers race to secure high‑bandwidth memory for next‑generation training clusters, pushing Micron’s order book to record levels and transforming what was once a cyclical manufacturer into a strategic pillar of the AI supply chain.
Milestone
The milestone reflects a dramatic shift in investor perception. Micron’s HBM3E and emerging HBM4 lines are now viewed as essential infrastructure, commanding premium pricing and long‑term supply agreements.
Profitability has strengthened accordingly, with margins expanding as production scales and shortages persist across the industry.
While the trillion‑dollar threshold underscores Micron’s new status among the semiconductor elite, it also raises expectations.
Sustaining this valuation will depend on flawless execution, continued technological leadership, and the durability of the AI investment boom.
Global Trillion‑Dollar Companies (May 2026) – Micron and SK-Hynix to join
| Rank | Company | Market Cap (USD trillions) | Sector | Notes |
|---|---|---|---|---|
| 1️⃣ | Nvidia (NVDA) | ≈ 5.3 – 5.2 | SemiconductorAI hardware | World’s most valuable firm; GPUs power global AI infrastructure. |
| 2️⃣ | Alphabet | ≈ 4.6 – 4.7 | Comms Services | AI‑driven growth via Google Cloud, Gemini, and YouTube ads. |
| 3️⃣ | Apple (AAPL) | ≈ 4.5 – 4.4 | Consumer Tech | Still a top‑three giant; hardware + services ecosystem. |
| 4️⃣ | Microsoft | ≈ 3.1 | Software Cloud Computing | Azure and enterprise AI remain core drivers. |
| 5️⃣ | Amazon | ≈ 2.8 – 2.9 | E‑commerce / Cloud | AWS and retail logistics sustain trillion‑plus value. |
| 6️⃣ | TSMC (TSM) | ≈ 2.1 | Semiconductor | Critical foundry for global chip supply chain. |
| 7️⃣ | Broadcom | ≈ 2.0 | SemiconductorSoftware | Rides HBM and networking chip demand. |
| 8️⃣ | Saudi Aramco | ≈ 1.8 | Energy | Largest non‑tech member; oil and petrochemical dominance. |
| 9️⃣ | Tesla (TSLA) | ≈ 1.5 – 1.6 | Automotive / Energy | EV and AI‑driven autonomy keep valuation high. |
| 🔟 | Meta Platforms (META) | ≈ 1.5 – 1.6 | Social Media AI advertising | Still above $1 T despite rotation toward semiconductors. |
| 11️⃣ | Samsung Electronics | ≈ 1.3 | Semiconductors / Memory | New entrant; HBM and AI‑memory surge. |
| 12️⃣ | Berkshire Hathaway (BRK.A) | ≈ 1.0 | Financial Conglomerate | Diversified holdings across insurance, energy, and rail. |