Image Source: Pexels

Here is a short look at the 10 largest companies by market capitalization as of Saturday, Oct. 4, 2025. Additionally, I have included the percentages of their gains on a year-to-date basis. Let's dive into the numbers.

1. Nvidia (NVDA) has a market cap of around $4.56 trillion, with year-to-date gains of approximately +39.7%
2. Microsoft (MSFT) has a market cap of around $3.85 trillion, with year-to-date gains of approximately +22.7%
3. Apple (AAPL) has a market cap of around $3.83 trillion, with year-to-date gains of approximately +3.0%
4. Alphabet (GOOG) has a market cap of around $2.97 trillion, with year-to-date gains of approximately +29.6%
5. Amazon (AMZN) has a market cap of around $2.34 trillion, with year-to-date gains of approximately +0.1%
6. Meta (META) has a market cap of around $1.79 trillion, with year-to-date gains of approximately +21.4%
7. Broadcom (AVGO) has a market cap of around $1.60 trillion, with year-to-date gains of approximately +46.0%
8. Taiwan Semiconductor Manufacturing (TSM) has a market cap of around $1.52 trillion, with year-to-date gains of approximately +48.0%
9. Tesla (TSLA) has a market cap of around $1.43 trillion, with year-to-date gains of approximately +6.4%
10. Berkshire Hathaway (BRK-B) has a market cap of around $1.08 trillion, with year-to-date gains of approximately +10.2%

In comparison, the S&P 500's year-to-date gain is approximately +14.2%.

More By This Author: