FZROX Vs. FXAIX – Which Fidelity Fund Is For You?

Looking for your next investment? Do you want to find an asset class that you can buy and hold as part of your investment options?

FZROX vs. FXAIX are mutual funds created by Fidelity Investments for long-term investors. Both funds invest in publicly traded US companies.

Make sure you digest the information provided in this FZROX vs. FXAIX review to help you make a decision and which one to go for.

The aim of this fund is to track the returns of a wide range of stocks in the US stock market.

FZROX: Fidelity® ZERO Total Market Index Fund

FXAIX: Fidelity® 500 Index Fund

FXAIX or Fidelity 500 Index Fund is another fund created by Fidelity Investments, and it contains S&P 500  index stocks.

Key Differences

FZROX trades in small-, medium- and big-cap stocks. On top of that, they trade in American, European, and  Asian securities.

Key Differences

FXAIX, on the other hand, only trades in the S&P 500 index. That means this fund is focused on large-cap stocks within the US.

Performance Differences

FZROX vs. FXAIX post similar returns for the same period with very little differences separating them.


FZROX is basically a zero-cost fund which means that you don’t pay a dime as expense fees. But as for FXAIX, you pay an expense ratio of 0.02%, which is also very low.