Skip to main content
Skip to main content
FMDGX logo

Fidelity Mid Cap Growth Index Fund (FMDGX) Stock Analysis

$36.53 -$0.39 (-1.06%) |CouncilSplit View · 45 · C
Fidelity Mid Cap Growth Index Fund (FMDGX) bottom line: Split View — our Council read (45/100) and AI Score (44/100) broadly agree. Strongest signal: Izzy Englander bullish · Biggest watch-out: Moon AI bearish.
MCap: $4.08B|
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

Fidelity Mid Cap Growth Index Fund (FMDGX) trades at $36.53 with AI Score 44/100 (Grade C). Fidelity Mid Cap Growth Index Fund (FMDGX) aims to replicate the performance of the Russell Midcap Growth Index. Market cap: $4.08B, Sector: Financial services.

Price as of Aug 21, 2026 · Last analyzed: Mar 17, 2026
Fidelity Mid Cap Growth Index Fund (FMDGX) aims to replicate the performance of the Russell Midcap Growth Index. The fund invests primarily in mid-cap U.S. equities exhibiting growth characteristics.

Analyst Coverage for FMDGX: FMDGX does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates FMDGX against Financial Services peers across nine fundamental dimensions and assigns an underweight signal based on the underlying data.

Watch the FMDGX film Every key number, told as a short cinematic story — just press play. ~2 min
Council Score · Weighted Average of 3 Disciplines
Split View 45/100 · C

FMDGX: the 3 scored disciplines are evenly split. Dominant signal: Izzy Englander bullish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Jim Simons
Neutral
Izzy Englander
Bullish
Seth Klarman
Neutral
Moon AI
Bearish
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Neutral
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →

Why this analysis is different

  • A 9-signal quantitative MoonshotScore built from filings, insider activity, and market data — computed from the numbers, not from opinion.
  • An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
  • Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.

Fidelity Mid Cap Growth Index Fund (FMDGX) Financial Services Profile

HeadquartersBoston, US
IPO Year2019

Fidelity Mid Cap Growth Index Fund (FMDGX) provides investors exposure to the mid-cap growth segment of the U.S. equity market, tracking the Russell Midcap Growth Index. With a focus on replicating index performance, FMDGX offers diversification within a specific market capitalization and growth style, suitable for investors seeking targeted exposure.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 17, 2026

What Is the Investment Thesis for FMDGX?

As of Mar 17, 2026 — figures reflect the data available on that date.

Fidelity Mid Cap Growth Index Fund (FMDGX) presents an investment opportunity for investors seeking exposure to the mid-cap growth segment of the U.S. equity market. The fund's primary value driver is its ability to closely track the Russell Midcap Growth Index, providing investors with a return that mirrors the index's performance. A key growth catalyst for FMDGX is the continued expansion of the mid-cap growth segment, driven by innovation, technological advancements, and favorable economic conditions. The fund's low expense ratio enhances its appeal, making it a cost-effective option for investors seeking passive exposure to mid-cap growth stocks. A potential risk factor is the fund's concentration in a specific market segment, which may lead to underperformance during periods of market volatility or economic downturn. As of 2026, the fund has a market cap of $4.08B and a beta of 1.31.

Based on FMP financials and quantitative analysis

FMDGX Key Highlights

Market capitalization of $4.08B, indicating a substantial asset base.

  • Beta of 1.31, suggesting higher volatility compared to the overall market.
  • Investment strategy focused on replicating the performance of the Russell Midcap Growth Index.
  • Expense ratio designed to be competitive within the index fund landscape.
  • Managed by Fidelity Investments, a reputable asset management firm.

Who Are FMDGX's Competitors?

FMDGX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
FITFX Fidelity Flex International Index Fund $19.56 +0.36% $4.41B 47
FSMVX Fidelity Mid Cap Value Fund $39.40 +0.87% $4.41B 47
FWWFX Fidelity Worldwide Fund $42.10 -0.75% $4.18B 44
JDPNX Janus Henderson Mid Cap Value Fund $17.09 -0.06% $3.81B 46
JDPRX Janus Henderson Mid Cap Value Fund $17.22 -0.12% $3.84B 46
CNS Cohen & Steers, Inc. $81.17 -1.97% $4.17B 71
WT WisdomTree, Inc. $22.82 +0.55% $3.49B 92
GBDC Golub Capital BDC, Inc. $13.21 +0.30% $3.44B 90

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are FMDGX's Key Strengths?

Low expense ratio

  • Strong brand recognition of Fidelity Investments
  • Established track record of tracking the Russell Midcap Growth Index
  • Diversified portfolio of mid-cap growth stocks

What Are FMDGX's Weaknesses?

Limited potential for outperformance due to passive management

  • Concentration in a specific market segment (mid-cap growth)
  • Vulnerability to market volatility and economic downturns
  • Reliance on the performance of the Russell Midcap Growth Index

What Could Drive FMDGX Stock Higher?

Continued growth of the mid-cap growth segment of the U.S. equity market.

  • Increased adoption of passive investment strategies by individual and institutional investors.
  • Potential inclusion of new companies in the Russell Midcap Growth Index.
  • Further advancements in technology that improve index tracking efficiency.
  • Strategic partnerships with financial advisors to expand distribution network.

What Are the Key Risks for FMDGX?

Market volatility and economic downturns could negatively impact fund performance.

  • Changes in the composition or methodology of the Russell Midcap Growth Index.
  • Increased competition from other index funds with lower expense ratios.
  • Regulatory changes affecting the asset management industry could increase compliance costs.
  • Tracking error, which is the difference between the fund's performance and the index's performance.

What Are the Growth Opportunities for FMDGX?

  • Expansion of the mid-cap growth segment: The continued growth of the mid-cap growth segment of the U.S. equity market presents a significant growth opportunity for FMDGX. As more companies transition from small-cap to mid-cap status and exhibit growth characteristics, the fund's investment universe expands, potentially leading to higher returns. The market size of the mid-cap growth segment is estimated to be several trillion dollars, offering ample room for growth. This growth is ongoing.
  • Increased adoption of passive investment strategies: The growing popularity of passive investment strategies, driven by their low cost and transparency, creates a favorable environment for FMDGX. As more investors shift from actively managed funds to index funds, the demand for FMDGX is likely to increase. The market share of passive investment strategies is projected to continue growing in the coming years. This trend is ongoing.
  • Technological advancements in index tracking: Advancements in technology, such as algorithmic trading and data analytics, enable FMDGX to more accurately track the Russell Midcap Growth Index and minimize tracking error. These technological improvements enhance the fund's efficiency and improve its ability to deliver returns that closely mirror the index's performance. The timeline for further technological advancements is ongoing.
  • Strategic partnerships with financial advisors: Forming strategic partnerships with financial advisors and wealth management firms can expand FMDGX's distribution network and increase its reach to potential investors. By offering FMDGX as a core investment option in their portfolios, financial advisors can drive significant inflows into the fund. The timeline for establishing strategic partnerships is within the next 1-2 years.
  • Development of ESG-focused index funds: Incorporating environmental, social, and governance (ESG) factors into the fund's investment strategy can attract socially responsible investors and enhance FMDGX's appeal. By launching an ESG-focused version of the fund, Fidelity Investments can tap into the growing demand for sustainable investments. The timeline for developing ESG-focused index funds is within the next 2-3 years.

What Are FMDGX's Competitive Advantages?

  • Low expense ratio, making it a cost-effective investment option.
  • Strong brand recognition of Fidelity Investments.
  • Established track record of tracking the Russell Midcap Growth Index.
  • Diversified portfolio of mid-cap growth stocks.

What Does FMDGX Do?

Fidelity Mid Cap Growth Index Fund (FMDGX) is a passively managed fund designed to mirror the performance of the Russell Midcap Growth Index. The fund invests predominantly in the stocks that constitute the index, aiming to provide investors with a return that closely reflects the index's performance. The Russell Midcap Growth Index represents the growth-oriented segment of the U.S. mid-cap equity market, encompassing companies with market capitalizations typically ranging from $2 billion to $10 billion. FMDGX offers a diversified portfolio of mid-sized companies exhibiting higher growth potential compared to value stocks. The fund's investment strategy involves holding a basket of stocks in proportion to their weightings in the Russell Midcap Growth Index. This approach minimizes active management and aims to deliver returns consistent with the index's performance. FMDGX is managed by Fidelity Investments, a well-established asset management firm with a long history of providing investment products and services to individual and institutional investors. The fund is available to investors seeking exposure to the mid-cap growth segment of the U.S. equity market through a low-cost, passively managed investment vehicle.

What Products and Services Does FMDGX Offer?

  • Invests at least 80% of its assets in securities included in the Russell Midcap Growth Index.
  • Tracks the performance of the mid-cap growth segment of the U.S. equity market.
  • Provides investors with exposure to a diversified portfolio of mid-sized growth companies.
  • Offers a low-cost, passively managed investment vehicle.
  • Replicates the index's composition by holding stocks in proportion to their weightings.
  • Minimizes active management and aims to deliver market-like returns.

How Does FMDGX Make Money?

  • Generates revenue through management fees charged as a percentage of assets under management (AUM).
  • Aims to attract and retain investors by providing competitive returns and low expenses.
  • Leverages Fidelity Investments' brand recognition and distribution network to attract inflows.

What Industry Does FMDGX Operate In?

Fidelity Mid Cap Growth Index Fund (FMDGX) operates within the asset management industry, specifically focusing on passively managed index funds. The asset management industry is characterized by increasing competition, driven by the rise of low-cost investment options and the growing demand for passive investment strategies. The market for index funds has experienced significant growth in recent years, as investors seek to reduce costs and achieve market-like returns. FMDGX competes with other index funds that track the Russell Midcap Growth Index or similar benchmarks. The fund's competitive advantage lies in its low expense ratio and the brand recognition of Fidelity Investments.

Who Are FMDGX's Key Customers?

  • Individual investors seeking exposure to mid-cap growth stocks.
  • Financial advisors and wealth management firms looking for low-cost index fund options.
  • Institutional investors seeking to replicate the performance of the Russell Midcap Growth Index.
AI Confidence: 73% Updated: Mar 17, 2026

FMDGX Valuation & Market Position

Relative to its peer group, FMDGX's quantitative score of 44/100 is roughly in line with the peer average of 46/100.

FMDGX Financials

Bull Case vs Bear Case

Bull Case

  • Low expense ratio
  • Strong brand recognition of Fidelity Investments
  • Established track record of tracking the Russell Midcap Growth Index
  • Diversified portfolio of mid-cap growth stocks

Bear Case

  • Limited potential for outperformance due to passive management
  • Concentration in a specific market segment (mid-cap growth)
  • Vulnerability to market volatility and economic downturns
  • Reliance on the performance of the Russell Midcap Growth Index

AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · August 2026

FMDGX Latest News

No recent news available for FMDGX.

FMDGX Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for FMDGX.

Price Targets

Wall Street price target analysis for FMDGX.

FMDGX MoonshotScore

44/100

What does this score mean?

The MoonshotScore rates FMDGX 0-100 on quantitative fundamentals — growth, financial health, valuation, momentum, and risk.

FMDGX Financial Services Stock FAQ

What does the AI Score mean for FMDGX?

FMDGX holds an AI Score of 44/100 (Grade: C). This is an educational research signal, not a buy or sell recommendation. Fidelity Mid Cap Growth Index Fund (FMDGX) aims to replicate the performance of the Russell Midcap Growth Index. The fund invests primarily in mid-cap U.S. equities exhibiting growth characteristics.

What does Fidelity Mid Cap Growth Index Fund do?

Fidelity Mid Cap Growth Index Fund (FMDGX) is designed to mirror the performance of the Russell Midcap Growth Index, offering investors exposure to a diversified portfolio of mid-sized U.S. companies exhibiting growth characteristics. The fund invests at least 80% of its assets in securities included in the index, aiming to replicate its returns.

What are the main risks for FMDGX?

The main risks for Fidelity Mid Cap Growth Index Fund (FMDGX) include market risk, which is the possibility of losses due to overall market declines or economic downturns. The fund is also subject to tracking error, which is the risk that its performance may deviate from the Russell Midcap Growth Index.

What are the key factors to evaluate for FMDGX?

Fidelity Mid Cap Growth Index Fund (FMDGX) holds an AI score of 44/100 (low). Fidelity Mid Cap Growth Index Fund (FMDGX) presents an investment opportunity for investors seeking exposure to the mid-cap growth segment of the U.S. Not financial advice.

How frequently does FMDGX data refresh on this page?

FMDGX's price was last updated on Aug 21, 2026 and refreshes on page view during U.S. market hours — it is not a real-time exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.

What has driven FMDGX's recent stock price performance?

Fidelity Mid Cap Growth Index Fund (FMDGX) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Low expense ratio. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider FMDGX overvalued or undervalued right now?

Fidelity Mid Cap Growth Index Fund (FMDGX) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

How do I research FMDGX before investing?

Before investing in Fidelity Mid Cap Growth Index Fund (FMDGX), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) analyst consensus ratings and price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).

Why might investors consider adding FMDGX to a portfolio?

Key strength of Fidelity Mid Cap Growth Index Fund (FMDGX): Low expense ratio. Weigh rewards against risks and diversify. Not financial advice.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Price as of Analysis updated AI Score refreshed daily
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • The information provided is based on publicly available sources and is intended for informational purposes only.
  • Investment decisions should be made after consulting with a qualified financial advisor.
Data Sources

Popular Stocks

More Stocks We Cover