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Fidelity Mid Cap Index Fund (FSMDX) Fund Overview

Educational signal · not a buy or sell recommendation · How to read this

$42.24 +$0.31 (+0.74%)

Beta 1.10: the stock has moved about 10% more than the S&P 500.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated Mar 18, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Quick Answer

Fidelity Mid Cap Index Fund (FSMDX) trades at $42.24. Fidelity Mid Cap Index Fund (FSMDX) is designed to mirror the performance of the Russell Midcap® Index. Sector: Financials.

Price as of · Last analyzed: Mar 18, 2026
Fidelity Mid Cap Index Fund (FSMDX) is designed to mirror the performance of the Russell Midcap® Index. The fund primarily invests in mid-sized U.S. companies, offering investors exposure to this segment of the market.

Analyst Coverage for FSMDX: FSMDX does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage.

▶ Watch the FSMDX film Every key number, told as a short cinematic story — just press play. ~2 min

Fidelity Mid Cap Index Fund (FSMDX) Financial Services Profile

HeadquartersBoston, US
IPO Year2011

Fidelity Mid Cap Index Fund (FSMDX) provides investors with a passively managed investment vehicle focused on replicating the returns of the Russell Midcap® Index. With a substantial market capitalization, the fund offers diversified exposure to mid-sized U.S. companies, appealing to investors seeking broad market representation within this specific market segment.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 18, 2026

What Is the Investment Thesis for FSMDX?

AI-written as of Mar 18, 2026 — figures and tone reflect the data available then, not today's score.

The fund's primary value driver is its ability to closely track the performance of the Russell Midcap® Index, providing investors with a return profile that mirrors the index's movements. With a beta of 1.10, FSMDX exhibits slightly higher volatility than the overall market, which may appeal to investors seeking enhanced returns. A key growth catalyst for FSMDX is the continued expansion of the U.S. economy and the growth of mid-sized companies within the index. As these companies grow and increase in value, the fund's assets will also increase, leading to higher returns for investors. While FSMDX does not offer a dividend yield, the potential for capital appreciation through index tracking makes it a noteworthy option for long-term investors. Potential risks include market fluctuations and economic downturns, which could negatively impact the value of the fund's holdings.

Based on FMP financials and quantitative analysis

FSMDX Key Highlights

AI-written as of Mar 18, 2026 — figures and tone reflect the data available then, not today's score.

Market Cap of $49.26B, reflecting the fund's significant size and influence in the mid-cap market segment.

  • Beta of 1.10 indicates slightly higher volatility compared to the broader market, potentially offering enhanced returns during periods of market growth.
  • The fund invests at least 80% of its assets in securities included in the Russell Midcap® Index, ensuring close tracking of the index's performance.
  • FSMDX engages in securities lending to generate additional income, enhancing overall returns for investors.
  • The fund provides diversified exposure to mid-sized U.S. companies across various sectors, reducing the risk associated with investing in individual stocks.

Who Are FSMDX's Competitors?

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

Company Price Change Market Cap MoonshotScore
FSMAX Fidelity Extended Market Index Fund $114.87 +0.72% $43.8B —
FSPGX Fidelity Large Cap Growth Index Fund $50.35 +0.96% $49.9B —
FSSNX Fidelity Small Cap Index Fund $35.78 +0.51% $33.4B —
LDLVX Lord Abbett Short Duration Income Fund $3.78 0.00% $43.0B —
MDIJX MFS International Diversification Fund $30.92 +0.72% $43.5B —
BLK BlackRock, Inc. $1066.45 +0.64% $165B 51 5-pillar
BX Blackstone Inc. $111.64 -0.09% $136B 66 5-pillar
APOS Apollo Global Management, Inc. $25.59 0.00% $74.8B 56 5-pillar

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

What Are FSMDX's Key Strengths?

Low expense ratio due to passive management.

  • Close tracking of the Russell Midcap® Index.
  • Diversified exposure to a broad range of mid-cap companies.
  • Established brand and reputation of Fidelity Investments.

What Are FSMDX's Weaknesses?

Limited potential for outperformance compared to actively managed funds.

  • Performance is directly tied to the performance of the Russell Midcap® Index.
  • No dividend yield.

What Are the Key Risks for FSMDX?

Market volatility and economic downturns, which could negatively impact the value of the fund's holdings.

  • Competition from other index funds and ETFs offering similar exposure.
  • Changes in the regulatory environment affecting the asset management industry.
  • Dependence on the performance of the Russell Midcap® Index.

What Are FSMDX's Competitive Advantages?

  • Low cost structure due to passive management.
  • Close tracking of the Russell Midcap® Index.
  • Established brand and reputation of Fidelity Investments.
  • Diversified exposure to a broad range of mid-cap companies.

What Does FSMDX Do?

Fidelity Mid Cap Index Fund (FSMDX) is a passively managed investment fund designed to track the performance of the Russell Midcap® Index. The fund operates under the umbrella of Fidelity Investments, a well-established financial services company with a long history in asset management. FSMDX was created to provide investors with a simple and cost-effective way to gain exposure to the mid-cap segment of the U.S. equity market. The fund achieves its investment objective by investing at least 80% of its assets in securities included in the Russell Midcap® Index, effectively mirroring the index's composition and weighting. This approach ensures that the fund's performance closely aligns with that of the benchmark index. In addition to investing in index securities, FSMDX may also engage in securities lending to generate additional income. This involves lending a portion of the fund's portfolio to other financial institutions, which provides a small boost to overall returns. FSMDX offers a diversified portfolio of mid-sized U.S. companies across various sectors, providing investors with broad market exposure and reducing the risk associated with investing in individual stocks. The fund is available to both individual and institutional investors, making it accessible to a wide range of market participants.

What Products and Services Does FSMDX Offer?

  • Invests at least 80% of its assets in securities included in the Russell Midcap® Index.
  • Mirrors the composition and weighting of the Russell Midcap® Index.
  • Provides investors with exposure to mid-sized U.S. companies.
  • Offers a passively managed investment approach.
  • Engages in securities lending to generate additional income.
  • Provides diversified exposure to various sectors within the mid-cap market segment.

How Does FSMDX Make Money?

  • Tracks the performance of the Russell Midcap® Index.
  • Generates returns through capital appreciation of its underlying investments.
  • Earns additional income through securities lending activities.

What Industry Does FSMDX Operate In?

Fidelity Mid Cap Index Fund (FSMDX) operates within the asset management industry, which is characterized by intense competition and evolving market trends. The fund's focus on passively tracking the Russell Midcap® Index positions it as a low-cost alternative to actively managed mid-cap funds. The asset management industry is influenced by factors such as market volatility, interest rates, and regulatory changes. As investors increasingly seek low-cost investment options, index funds like FSMDX are gaining popularity. The competitive landscape includes other index funds and ETFs that track similar benchmarks, as well as actively managed funds that aim to outperform the index.

Who Are FSMDX's Key Customers?

  • Individual investors seeking diversified exposure to mid-cap stocks.
  • Institutional investors looking for a low-cost index tracking fund.
  • Retirement plan participants seeking broad market exposure within their portfolios.
Model self-rating on this text: 72% (not a measure of the evidence) Updated: Mar 18, 2026

Research confidence

Low

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • ● Scoring coverage unknown
  • ● Price is current
  • ● No filing on record
  • ● No analyst coverage
  • ● This is a fund, not an operating company

MoonshotScore History

Recorded daily since 2026-08-23 · 42 snapshots

2026-08-23 47
2026-08-31 47
2026-09-08 47
2026-09-16 47
2026-09-24 47
2026-10-04 47
2026-10-05 47

What changed?

The score has stayed at 47.

Over the same 30 days the stock moved -2.8%.

FSMDX Financials

Bull Case vs Bear Case

Bull Case

  • Low expense ratio due to passive management.
  • Close tracking of the Russell Midcap® Index.
  • Diversified exposure to a broad range of mid-cap companies.
  • Established brand and reputation of Fidelity Investments.

Bear Case

  • Limited potential for outperformance compared to actively managed funds.
  • Performance is directly tied to the performance of the Russell Midcap® Index.
  • No dividend yield.
  • Potential: Market volatility and economic downturns, which could negatively impact the value of the fund's holdings.

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

FSMDX Latest News

No recent news available for FSMDX.

FSMDX Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for FSMDX.

Price Targets

Wall Street price target analysis for FSMDX.

FSMDX MoonshotScore

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. No MoonshotScore is published for FSMDX; grades run from A+ (80-100) to F (below 30).

FSMDX Financials Stock FAQ

What are the main risks for FSMDX?

The main risks for Fidelity Mid Cap Index Fund (FSMDX) are primarily related to market volatility and economic downturns. As a passively managed fund that tracks the Russell Midcap® Index, FSMDX is susceptible to fluctuations in the value of its underlying holdings. A significant decline in the overall market or the mid-cap segment could negatively impact the fund's performance.

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

MoonshotScore is not published for this security.

Data Sources & Methodology
Figures come from Financial Modeling Prep (FMP). If FMP has no figure for a ticker, a price or fundamental may come from a Yahoo Finance fallback, or a price from an Alpaca fallback. SEC EDGAR is used only for filing links and company identity details (legal name, address), never for figures. 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 available data and may be subject to change.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis