Largest Companies by Market Cap 2026: Top 50 and the Trillion-Dollar Club
Largest companies by market cap in 2026: NVIDIA leads at $5.25 trillion, with 15 companies above $1 trillion. Full Top 50 ranking, US vs China, and how market cap differs from the Fortune 500. Checked 16 October 2026.
NVIDIA is the world's largest company by market capitalization at $5.25 trillion, ahead of Apple at $4.99 trillion and Alphabet (Google) at $4.22 trillion (CompaniesMarketCap).
This report ranks the Top 50 largest companies by market cap, lists every name in the Trillion-Dollar Club, compares the US and China on the board, and shows why market-cap leaders are not the same companies as the Fortune 500.
Checked 16 October 2026 (CEST morning pull). Figures are live USD market caps from CompaniesMarketCap; share prices for NVIDIA, Apple, Microsoft, Alphabet, and Amazon matched Yahoo Finance on the same pull.
Key Takeaways
- NVIDIA leads at $5.25 trillion, with Apple and Alphabet next (CompaniesMarketCap)
- 15 companies sit in the Trillion-Dollar Club (market cap of $1 trillion or more) (CompaniesMarketCap)
- The US holds 37 of the Top 50 seats; China holds 6 (CompaniesMarketCap)
- Semiconductors and chip equipment account for 11 of the Top 50 names (CompaniesMarketCap)
- Market cap ranks investor value; the Fortune 500 ranks revenue. Amazon is No. 1 on Fortune and No. 5 here (Best Firms Fortune 500 list)
Who is the largest company by market cap in 2026?
NVIDIA (NVDA) is No. 1 at $5.25 trillion, roughly 105% of Apple's value on this pull (CompaniesMarketCap).
The next four are all US tech platforms: Apple, Alphabet (Google), Microsoft, and Amazon. Together the Top 5 are worth about $21.21 trillion (CompaniesMarketCap).
Market caps move with every trade. Treat the ranking as a snapshot dated 16 October 2026 (CEST morning pull), not a fixed league table.
The Trillion-Dollar Club in 2026
As of this pull, 15 companies have a market capitalization of $1 trillion or more (CompaniesMarketCap). That is the Trillion-Dollar Club for this report.
Fifteen years ago the club barely existed. Today it is mostly US semiconductors, platforms, energy, and healthcare, plus TSMC, Saudi Aramco, Samsung, and a reported SpaceX valuation on the same ranking page.
| Rank | Company | Ticker | Market cap | Country |
|---|---|---|---|---|
| 1 | NVIDIA | NVDA | $5.25T | USA |
| 2 | Apple | AAPL | $4.99T | USA |
| 3 | Alphabet (Google) | GOOG | $4.22T | USA |
| 4 | Microsoft | MSFT | $4T | USA |
| 5 | Amazon | AMZN | $2.75T | USA |
| 6 | TSMC | TSM | $2.19T | Taiwan |
| 7 | SpaceX (private; CMC reported valuation) | SPCX | $1.96T | USA |
| 8 | Meta Platforms | META | $1.88T | USA |
| 9 | Broadcom | AVGO | $1.64T | USA |
| 10 | Saudi Aramco | 2222.SR | $1.63T | Saudi Arabia |
| 11 | Tesla | TSLA | $1.43T | USA |
| 12 | Berkshire Hathaway | BRK-B | $1.12T | USA |
| 13 | Eli Lilly | LLY | $1.11T | USA |
| 14 | Samsung | 005930.KS | $1.06T | South Korea |
| 15 | Micron Technology | MU | $1.05T | USA |
Source: CompaniesMarketCap live USD ranking. Checked 16 October 2026 (CEST morning pull). SpaceX is privately held; CMC lists a reported valuation. Cross-checked share prices for NVIDIA, Apple, Microsoft, Alphabet, and Amazon via Yahoo Finance on the same pull.
Eight of the fifteen are pure-play or majority semiconductors and AI infrastructure (NVIDIA, TSMC, Broadcom, Samsung, Micron, plus platform buyers of those chips). That concentration is the clearest story on the 2026 board.
Largest companies by market cap: the Top 50 ranking
The table below ranks the 50 largest companies by market capitalization in USD. Combined value of the Top 50 on this pull: about $53.14 trillion (CompaniesMarketCap).
| Rank | Company | Ticker | Market cap | Country | Sector |
|---|---|---|---|---|---|
| 1 | NVIDIA | NVDA | $5.25T | USA | Semiconductors |
| 2 | Apple | AAPL | $4.99T | USA | Consumer Electronics |
| 3 | Alphabet (Google) | GOOG | $4.22T | USA | Internet Content & Information |
| 4 | Microsoft | MSFT | $4T | USA | Software |
| 5 | Amazon | AMZN | $2.75T | USA | Internet Retail |
| 6 | TSMC | TSM | $2.19T | Taiwan | Semiconductors |
| 7 | SpaceX * | SPCX | $1.96T | USA | Aerospace & Defense |
| 8 | Meta Platforms | META | $1.88T | USA | Internet Content & Information |
| 9 | Broadcom | AVGO | $1.64T | USA | Semiconductors |
| 10 | Saudi Aramco | 2222.SR | $1.63T | Saudi Arabia | Oil & Gas |
| 11 | Tesla | TSLA | $1.43T | USA | Automobiles |
| 12 | Berkshire Hathaway | BRK-B | $1.12T | USA | Conglomerate |
| 13 | Eli Lilly | LLY | $1.11T | USA | Pharmaceuticals |
| 14 | Samsung | 005930.KS | $1.06T | South Korea | Consumer Electronics |
| 15 | Micron Technology | MU | $1.05T | USA | Semiconductors |
| 16 | Walmart | WMT | $935.1B | USA | Discount Stores |
| 17 | AMD | AMD | $917.8B | USA | Semiconductors |
| 18 | JPMorgan Chase | JPM | $891B | USA | Banks |
| 19 | Visa | V | $750.5B | USA | Credit Services |
| 20 | Exxon Mobil | XOM | $718.3B | USA | Oil & Gas |
| 21 | SK Hynix | 000660.KS | $703.4B | South Korea | Semiconductors |
| 22 | ASML | ASML | $636.6B | Netherlands | Semiconductor Equipment |
| 23 | Johnson & Johnson | JNJ | $610.4B | USA | Pharmaceuticals |
| 24 | Mastercard | MA | $539.9B | USA | Credit Services |
| 25 | Intel | INTC | $504.1B | USA | Semiconductors |
| 26 | AbbVie | ABBV | $500.8B | USA | Pharmaceuticals |
| 27 | Tencent | TCEHY | $484.2B | China | Internet Content & Information |
| 28 | Palantir | PLTR | $481.8B | USA | Software |
| 29 | CXMT | 688825.SS | $477.4B | China | Semiconductors |
| 30 | China Construction Bank | 601939.SS | $443.9B | China | Banks |
| 31 | Costco | COST | $433.4B | USA | Discount Stores |
| 32 | Cisco | CSCO | $433.1B | USA | Communication Equipment |
| 33 | Chevron | CVX | $430.2B | USA | Oil & Gas |
| 34 | Oracle | ORCL | $407.6B | USA | Software |
| 35 | Coca-Cola | KO | $395.8B | USA | Beverages |
| 36 | Agricultural Bank of China | 601288.SS | $375.2B | China | Banks |
| 37 | Roche | RO.SW | $372.1B | Switzerland | Pharmaceuticals |
| 38 | Procter & Gamble | PG | $365.1B | USA | Household Products |
| 39 | UnitedHealth | UNH | $365B | USA | Healthcare Plans |
| 40 | Bank of America | BAC | $361.5B | USA | Banks |
| 41 | Merck | MRK | $358.2B | USA | Pharmaceuticals |
| 42 | Lam Research | LRCX | $347.2B | USA | Semiconductor Equipment |
| 43 | ICBC | 1398.HK | $343.1B | China | Banks |
| 44 | Applied Materials | AMAT | $341.2B | USA | Semiconductor Equipment |
| 45 | Caterpillar | CAT | $338.1B | USA | Farm & Heavy Construction Machinery |
| 46 | Bank of China | 601988.SS | $331B | China | Banks |
| 47 | General Electric | GE | $323.7B | USA | Specialty Industrial Machinery |
| 48 | HSBC | HSBC | $323.3B | UK | Banks |
| 49 | Philip Morris International | PM | $311.6B | USA | Tobacco |
| 50 | Home Depot | HD | $307.5B | USA | Home Improvement Retail |
Source: CompaniesMarketCap live USD ranking, Top 50. Checked 16 October 2026 (CEST morning pull). *SpaceX is privately held (CMC reported valuation). Sector labels are Best Firms readability tags, not exchange industry codes.
The Top 10 largest companies by market cap
Here is a short read on each of the Top 10 names: why they sit where they do, and what sector they pull demand from.
1. NVIDIA: $5.25T
AI accelerators and data-center GPUs pushed NVIDIA past the five-trillion-dollar mark on the CompaniesMarketCap ranking used for this report. Chip buyers, cloud hyperscalers, and sovereign AI budgets all show up in the same demand line.
- Ticker: NVDA
- Market cap: $5.25 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Semiconductors
2. Apple: $4.99T
Apple still monetizes hardware, services, and a locked-in installed base. Its market cap tracks iPhone cycles and Services growth more than a single product launch.
- Ticker: AAPL
- Market cap: $4.99 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Consumer Electronics
3. Alphabet (Google): $4.22T
Search, YouTube, and cloud keep Alphabet in the top three. Generative AI productization is the open question investors keep repricing.
- Ticker: GOOG
- Market cap: $4.22 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Internet Content & Information
4. Microsoft: $4T
Azure, Office, and GitHub Copilot keep Microsoft priced as the enterprise AI distribution layer. Capex on data centers is the cost of defending that seat.
- Ticker: MSFT
- Market cap: $4.00 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Software
5. Amazon: $2.75T
Amazon is No. 5 on market cap and No. 1 on the Fortune 500 by revenue. Retail cash flow funds AWS; AWS funds the multiple.
- Ticker: AMZN
- Market cap: $2.75 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Internet Retail
6. TSMC: $2.19T
TSMC is the pure-play foundry behind advanced nodes. When NVIDIA and Apple grow, TSMC's order book usually follows.
- Ticker: TSM
- Market cap: $2.19 trillion (CompaniesMarketCap)
- Country: Taiwan
- Sector: Semiconductors
7. SpaceX: $1.96T
SpaceX appears on CompaniesMarketCap with a reported private valuation. It is not a public equity; treat the figure as a CMC-reported estimate, not an exchange close.
- Ticker: SPCX
- Market cap: $1.96 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Aerospace & Defense
- Note: privately held; valuation as reported on CompaniesMarketCap
8. Meta Platforms: $1.88T
Ads plus Reality Labs spend define Meta's multiple. Engagement and AI ad tooling have rebuilt the valuation after the 2022 reset.
- Ticker: META
- Market cap: $1.88 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Internet Content & Information
9. Broadcom: $1.64T
Broadcom sits at the intersection of custom AI accelerators, networking, and software. Large acquisitions keep the revenue mix shifting toward infrastructure.
- Ticker: AVGO
- Market cap: $1.64 trillion (CompaniesMarketCap)
- Country: USA
- Sector: Semiconductors
10. Saudi Aramco: $1.63T
Saudi Aramco is the energy anchor on the list. Oil price and the Saudi state's ownership structure set a different volatility profile than US tech.
- Ticker: 2222.SR
- Market cap: $1.63 trillion (CompaniesMarketCap)
- Country: Saudi Arabia
- Sector: Oil & Gas
US vs China: who dominates the Top 50?
The United States holds 37 of the Top 50 seats and 12 of the Trillion-Dollar Club names (CompaniesMarketCap).
China holds 6 Top 50 seats, led by banks, Tencent, and CXMT on this pull. South Korea has 2 (Samsung and SK Hynix); Taiwan, Saudi Arabia, the Netherlands, Switzerland, and the UK each have 1 in the Top 50.
| Country | Companies in Top 50 |
|---|---|
| USA | 37 |
| China | 6 |
| South Korea | 2 |
| Taiwan | 1 |
| Saudi Arabia | 1 |
| Netherlands | 1 |
| Switzerland | 1 |
| UK | 1 |
Source: country tags on CompaniesMarketCap Top 50. Checked 16 October 2026 (CEST morning pull).
For US headquarters density by revenue ranking instead of market cap, see Fortune 500 companies by state 2026. Texas leads that list with 57 headquarters; California leads on combined market value of Fortune companies.
Which sectors dominate the largest companies?
Semiconductors and semiconductor equipment together account for 11 of the Top 50. Software, internet platforms, banks, pharmaceuticals, and oil and gas fill most of the remaining seats.
| Sector (Best Firms label) | Companies in Top 50 |
|---|---|
| Semiconductors | 8 |
| Banks | 7 |
| Pharmaceuticals | 5 |
| Internet Content & Information | 3 |
| Software | 3 |
| Oil & Gas | 3 |
| Semiconductor Equipment | 3 |
| Consumer Electronics | 2 |
| Discount Stores | 2 |
| Credit Services | 2 |
| Internet Retail | 1 |
| Aerospace & Defense | 1 |
Sector labels assigned by Best Firms for readability from company names on CompaniesMarketCap. Checked 16 October 2026 (CEST morning pull).
Market cap vs Fortune 500: why the rankings diverge
The Fortune 500 ranks US companies by revenue. Market cap ranks global companies by investor value. Those are different questions, so the leaderboards only partially overlap.
Amazon is the clearest example. It is No. 1 on the 2026 Fortune 500 by revenue and No. 5 here by market cap (Best Firms Fortune 500 list; CompaniesMarketCap).
- Fortune 500: US companies, ranked by fiscal revenue, published once a year (June for the 2026 list)
- Market-cap list: global companies, ranked by share price times shares outstanding, updated continuously
- What market cap misses: private operating giants that never list, unless a source reports a private valuation (SpaceX on CMC)
- What Fortune misses: non-US giants such as TSMC, Samsung, and Saudi Aramco
If you need industry profit margins rather than company value, use the most profitable industries in 2026 report. If you need growth cohorts, use fastest growing companies in the US.
How is market capitalization calculated?
Market capitalization equals share price times diluted shares outstanding. Multiply those two inputs and you get investor value in the listing currency; CompaniesMarketCap then converts rankings to USD.
CompaniesMarketCap publishes live USD rankings from exchange prices (CompaniesMarketCap). Dual-listed names can show different local prices; USD conversion and share counts explain small gaps versus a single Yahoo quote.
- Price: last trade on the primary listing used by the data provider
- Shares: diluted outstanding shares, which can change with buybacks and equity grants
- Currency: this report uses USD figures from CompaniesMarketCap
- Private names: only appear when the provider publishes a reported valuation
What the 2026 board says about AI and energy
Chipmakers and AI platforms occupy most of the top of the list. NVIDIA, Broadcom, TSMC, Micron, SK Hynix, ASML, and several US equipment names turn AI demand into a market-cap story.
Energy still holds a seat at the top through Saudi Aramco, Exxon Mobil, and Chevron. Healthcare (Eli Lilly, Johnson & Johnson, AbbVie, Roche) and payments (Visa, Mastercard) keep diversified ballast under the tech-heavy peak.
For hiring teams, that mix maps to three talent pools: AI and semiconductor engineering, enterprise cloud and software, and healthcare R&D. Browse role-specific guides on the Best Firms hire hub when you are staffing against those buyers.
Best Firms' take
The practical risk for operators is concentration. When a handful of chip and cloud buyers slow orders, market-cap leaders reprice faster than revenue rankings move. Keep a dated snapshot (like this one) and refresh it after major earnings weeks.
Related Best Firms reading
FAQ
Who is the largest company by market cap in 2026?
NVIDIA, at about $5.25 trillion on the 16 October 2026 (CEST morning pull) CompaniesMarketCap pull. Apple and Alphabet rank second and third. Source: CompaniesMarketCap.
How many trillion-dollar companies are there in 2026?
15 companies have a market cap of $1 trillion or more on this pull, including NVIDIA, Apple, Alphabet, Microsoft, Amazon, TSMC, SpaceX (CMC reported private valuation), Meta, Broadcom, Saudi Aramco, Tesla, Berkshire Hathaway, Eli Lilly, Samsung, and Micron. Source: CompaniesMarketCap.
What is the Trillion-Dollar Club?
The Trillion-Dollar Club is the set of companies with a market capitalization of at least $1 trillion. As of 16 October 2026 (CEST morning pull), CompaniesMarketCap lists 15 such names. Source: CompaniesMarketCap.
How many of the largest companies by market cap are in the US?
37 of the Top 50 are US companies on this pull, and most of the Trillion-Dollar Club is US-based. China has 6 Top 50 seats. Source: CompaniesMarketCap.
How is market capitalization different from the Fortune 500?
Market cap ranks companies by investor value (share price times shares). The Fortune 500 ranks US companies by revenue. Amazon is No. 1 on Fortune and No. 5 by market cap here. See the Best Firms Fortune 500 list and CompaniesMarketCap.
Is SpaceX one of the largest companies by market cap?
CompaniesMarketCap includes SpaceX near No. 7 with a reported valuation around $1.96 trillion. SpaceX is privately held, so that figure is not an exchange close. Source: CompaniesMarketCap.
What are the top 10 largest companies by market cap?
On this pull: NVIDIA, Apple, Alphabet, Microsoft, Amazon, TSMC, SpaceX (reported), Meta Platforms, Broadcom, and Saudi Aramco. Source: CompaniesMarketCap.
Does market cap include private companies?
Most market-cap rankings cover public companies only. CompaniesMarketCap notes that private companies are hard to value; when it lists one (such as SpaceX), the figure is a reported valuation, not a public close. Source: CompaniesMarketCap.
How to use this ranking
Refresh the board after major AI and semiconductor earnings weeks. Pair it with the Fortune 500 companies list when you need revenue scale, and with Fortune 500 companies by state when you need US headquarters geography.
For the next dated check, re-pull CompaniesMarketCap and re-verify the top five share prices on Yahoo Finance. Market-cap order can flip inside a single session.