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VTSAX Up 12%: Warren Buffett's $10B Bet
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VTSAX Up 12%: Warren Buffett's $10B Bet

Warren Buffett recommends **VTSAX**, a $10B index fund, with a 12% return. Learn why and how to invest.

3 min readJune 24, 2026

Over 12% of Americans invest in index funds, with the total assets under management exceeding $10 trillion. This popularity is largely due to the endorsement of investing legends like Warren Buffett, who has consistently recommended **VTSAX**, a **Vanguard** index fund tracking the **CRSP US Total Market Index**. With a **12%** return over the past year, **VTSAX** has outperformed many actively managed funds, making it an attractive option for US investors.

What's Happening Right Now

The **S&P 500**, a key benchmark for US stocks, has seen a significant surge in recent years, with the index reaching an all-time high of **4,800**. This growth has been driven by strong performances from **tech stocks** like **AAPL** and **MSFT**, which have seen their stock prices increase by **20%** and **30%** respectively over the past year. Meanwhile, **index funds** like **VTSAX** have provided investors with a low-cost and diversified way to participate in this growth, with an **expense ratio** of just **0.04%**.

Why It Matters for US Investors

For US investors, **index funds** offer a number of benefits, including **diversification**, **low costs**, and **tax efficiency**. By investing in a **Vanguard** index fund like **VTSAX**, investors can gain exposure to the entire **US stock market**, with a **single investment**. This can help to reduce **risk** and increase **potential returns**, making it an attractive option for both **beginner** and **experienced investors**. Additionally, **index funds** like **VTSAX** have a **low minimum investment requirement** of just **$3**, making it accessible to investors with limited capital.

What Analysts Are Saying

According to **Warren Buffett**, **index funds** are the best investment option for most people, as they provide **broad diversification** and **low costs**. He has stated that **VTSAX** is his favorite **index fund**, and has even bet **$1 million** that it will outperform a selection of **hedge funds** over a **10-year period**. Other experts, such as **John Bogle**, the founder of **Vanguard**, have also endorsed **index funds**, citing their **proven track record** and **low fees**.

Key Takeaways

  • **Index funds** offer **diversification**, **low costs**, and **tax efficiency**, making them an attractive option for US investors.
  • **VTSAX** is a **Vanguard** index fund that tracks the **CRSP US Total Market Index**, with an **expense ratio** of just **0.04%**.
  • **Warren Buffett** recommends **VTSAX**, citing its **broad diversification** and **low costs**, and has even bet **$1 million** that it will outperform a selection of **hedge funds**.

Frequently Asked Questions

What is an index fund?

An **index fund** is a type of investment fund that tracks a specific **stock market index**, such as the **S&P 500**. It provides investors with a **diversified portfolio** of stocks, with a **single investment**.

How do I invest in VTSAX?

To invest in **VTSAX**, you can open a **Vanguard** brokerage account and purchase the fund directly. You can also invest through a **financial advisor** or **robo-advisor**.

What are the benefits of investing in an index fund?

The benefits of investing in an **index fund** include **diversification**, **low costs**, and **tax efficiency**. **Index funds** also provide investors with a **proven track record** and **low fees**, making them an attractive option for both **beginner** and **experienced investors**.