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Fidelity Extended Market Index

FSMAX
Mid-Cap Blend
Fidelity

The fund normally invests at least 80% of assets in common stocks included in the Dow Jones U.S. Completion Total Stock Market Index, which represents the performance of stocks of mid- to small-capitalization U.S. companies. The manager uses statistical sampling techniques based on such factors as capitalization, industry exposures, dividend yield, price/earnings (P/E) ratio, price/book (P/B) ratio, and earnings growth to attempt to replicate the returns of the index. The fund is non-diversified.

Expense Ratio
0.00%
What's an expense ratio?
5-Year Return
+4.63%
How to read fund performance
Volatility
+18.11%
What is volatility?
Total Assets
$38.8K
Performance History
1-Year Return+18.00%
3-Year Return+17.25%
5-Year Return+4.63%
10-Year Return+267.78%
Fund Details
Minimum Investment$0
Fund ManagerDeane Gyllenhaal
Manager Tenure7 years
Inception Date2011-09-07
Assets Under Management$38,825 M
Data Last UpdatedApr 13, 2026
How to Invest in FSMAX

Buy directly from Fidelity

Fidelity funds can be purchased directly through their website, typically with no transaction fee.0

Visit Fidelity.com

Affiliate disclosure: Some links on this page are affiliate links. If you open an account through a link on this site, we may earn a commission at no additional cost to you. This does not influence our fund data or analysis. Learn more.

Investment Calculators

Fee Impact Calculator

Fee Impact Calculator
See how fees would impact your investment in Fidelity Extended Market Index
Calculating for:
FSMAX

Fidelity Extended Market Index

Pre-filled with FSMAX's historical average return

FSMAX's actual expense ratio

Comparison fund (e.g., actively managed)

Results
Future value after 30 years
Enter your values and click “Calculate Impact” to see results

Note: This calculator uses simplified assumptions based on FSMAX's historical performance. It does not account for taxes, inflation, or varying returns. Past performance does not guarantee future results.

Return Simulator

Return Projection Simulator
Project your portfolio's future value with Fidelity Extended Market Index
Projecting for:
FSMAX

Fidelity Extended Market Index

How much are you investing today?

How much will you contribute each month?

How long will you invest for?

Pre-filled with FSMAX's historical average return

Projection Results
Estimated portfolio value after 30 years
Enter your parameters and click “Simulate Returns” to see projections

Important: This projection uses simplified assumptions based on FSMAX's historical performance. Actual investment returns vary year-to-year. Past performance does not guarantee future results. This tool is for educational purposes only.

Top Holdings

VRTVertiv Holdings Co Class A
0.00%
MRVLMarvell Technology Inc
0.00%
SNOWSnowflake Inc Ordinary Shares
0.00%
NETCloudflare Inc
0.00%
FERGFerguson Enterprises Inc
0.00%
LNGCheniere Energy Inc
0.00%
LITELumentum Holdings Inc
0.00%
RBLXRoblox Corp Ordinary Shares - Class A
0.00%
ALNYAlnylam Pharmaceuticals Inc
0.00%
COHRCoherent Corp
0.00%

Top holdings shown as percentage of fund assets. Data sourced from fund filings. Holdings may change over time.

Similar Funds in Mid-Cap Blend

VEXAX
Vanguard

Vanguard Extended Market Index

Expense Ratio0.00%
5-Year Return+4.44%
VIMSX
Vanguard

Vanguard Index Trust Mid-Cap In

Expense Ratio0.00%
5-Year Return+6.35%

Frequently Asked Questions

What is FSMAX?

FSMAX is the ticker symbol for Fidelity Extended Market Index , a Mid-Cap Blend mutual fund managed by Fidelity. The fund normally invests at least 80% of assets in common stocks included in the Dow Jones U.S. Completion Total Stock Market Index, which represents the performance of stocks of mid- to small-capitalization U.S. companies. The manager uses statistical sampling techniques based on such factors as capitalization, industry exposures, dividend yield, price/earnings (P/E) ratio, price/book (P/B) ratio, and earnings growth to attempt to replicate the returns of the index. The fund is non-diversified.

What is the expense ratio for FSMAX?

FSMAX has an expense ratio of 0.00% per year. On a $10,000 investment, that amounts to roughly $0 annually in fund fees. This is considered a very low-cost fund.

How has FSMAX performed historically?

FSMAX has posted a 1-year return of +18.00%, 3-year return of +17.25%, 5-year return of +4.63%, 10-year return of +267.78%. Past performance does not guarantee future results. Returns are annualized for periods greater than one year.

What is the minimum investment for FSMAX?

FSMAX has no minimum initial investment requirement, making it accessible to all investors regardless of account size.

Is FSMAX a good investment?

Whether FSMAX is right for you depends on your investment goals, time horizon, and risk tolerance. Key factors to evaluate include its 0.00% expense ratio, Mid-Cap Blend category exposure, historical returns, and how it fits within your broader portfolio. We recommend comparing it against similar funds in the same category and consulting a qualified financial advisor.

Important: Past performance does not guarantee future results. This information is provided for educational purposes only and should not be considered investment advice. Please consult with a financial advisor before making investment decisions.

Compare Mutual Funds LogoCMF

Compare mutual funds with transparent, data-driven insights. Make informed investment decisions.

Product

  • Compare Funds
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  • About Us

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  • Disclosures
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© 2026 CompareMutualFunds. All rights reserved.

Investment information provided for educational purposes only. Past performance does not guarantee future results.