Fidelity Mid Cap Growth Index Fund (FMDGX)

Fund Assets	3.47B
Expense Ratio	0.05%
Min. Investment	$0.00
Turnover	61.00%
Dividend (ttm)	0.09
Dividend Yield	0.25%
Dividend Growth	4.58%
Payout Frequency	n/a
Ex-Dividend Date	Dec 19, 2025

Previous Close	35.91
YTD Return	2.34%
1-Year Return	-0.90%
5-Year Return	20.92%
52-Week Low	31.70
52-Week High	37.92
Beta (5Y)	1.12
Holdings	272
Inception Date	Jul 11, 2019

About FMDGX

Fidelity Mid Cap Growth Index Fund is a mutual fund focused on tracking the performance of mid-capitalization U.S. companies with strong growth characteristics. The fund seeks to replicate the returns of the Russell Midcap Growth Index, which is a market capitalization-weighted index that measures some of the fastest-growing companies within the mid-cap segment of the U.S. equity market. With a diversified portfolio including approximately 291 holdings, the fund offers exposure to sectors such as technology, healthcare, industrials, financial services, and utilities—areas typically associated with higher growth potential. Its low expense ratio and passive management strategy make it a cost-effective option for investors aiming to capture the collective growth of medium-sized U.S. companies. The Fidelity Mid Cap Growth Index Fund plays a significant role in providing broad, efficient access to the mid-cap growth space, contributing to asset allocation strategies seeking long-term capital appreciation through exposure to dynamic and evolving sectors of the U.S. economy.

• Fund Family: Fidelity
• Category: Mid-Cap Growth
• Performance Rating: Above Average
• Risk Rating: Average
• Stock Exchange: NASDAQ
• Ticker Symbol: FMDGX
• Index: Russell MidCap Growth TR

Performance

FMDGX had a total return of -0.90% in the past year, including dividends. Since the fund's inception, the average annual return has been 10.12%.

Equivalent Funds

These are funds that follow the same index from the other major fund companies.

Symbol	Provider	Name	Expense Ratio
VMGRX	Vanguard	Vanguard Mid-Cap Growth Fund Investor Shares	0.33%

Top 10 Holdings

19.63% of assets

Name	Symbol	Weight
Datadog, Inc.	DDOG	2.33%
Snowflake Inc.	SNOW	2.32%
Cloudflare, Inc.	NET	2.11%
Teradyne, Inc.	TER	2.06%
Astera Labs, Inc.	ALAB	2.02%
Simon Property Group, Inc.	SPG	1.95%
Comfort Systems USA, Inc.	FIX	1.88%
Robinhood Markets, Inc.	HOOD	1.74%
Lumentum Holdings Inc.	LITE	1.66%
Targa Resources Corp.	TRGP	1.55%

Dividend History

Ex-Dividend	Amount	Pay Date
Dec 19, 2025	$0.091	Dec 22, 2025
Aug 8, 2025	$0.559	Aug 11, 2025
Dec 20, 2024	$0.083	Dec 23, 2024
Aug 9, 2024	$0.070	Aug 12, 2024
Dec 15, 2023	$0.093	Dec 18, 2023
Aug 11, 2023	$0.077	Aug 14, 2023

Data Sources: Tiingo, Financial Modeling Prep, and more

Historical data is provided by Tiingo. Delayed stock pricing data is provided by Financial Modeling Prep. Several fund data points are also provided by Finnhub.

Last checked:

Sep 5, 2026

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