Skip to main content
FMSFX logo

Fidelity Mortgage Securities Fund (FMSFX) Fund Overview

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

$9.44 -$0.03 (-0.32%)

Beta 1.17: the stock has moved about 17% 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 Mortgage Securities Fund (FMSFX) trades at $9.44. Fidelity Mortgage Securities Fund (FMSFX) invests primarily in investment-grade mortgage-related securities and repurchase agreements backed by these securities. Sector: Financials.

Price as of · Last analyzed: Mar 18, 2026
Fidelity Mortgage Securities Fund (FMSFX) invests primarily in investment-grade mortgage-related securities and repurchase agreements backed by these securities. The fund focuses on U.S. government securities and instruments, including those issued by government-sponsored entities.

Analyst Coverage for FMSFX: FMSFX 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 FMSFX film Every key number, told as a short cinematic story — just press play. ~2 min

Fidelity Mortgage Securities Fund (FMSFX) Financial Services Profile

IPO Year1984

Fidelity Mortgage Securities Fund (FMSFX) is a fixed-income fund specializing in investment-grade mortgage-backed securities, offering investors exposure to the U.S. mortgage market with a focus on government-related securities, while navigating interest rate sensitivity and credit risk within the asset management sector.

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

What Is the Investment Thesis for FMSFX?

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

Fidelity Mortgage Securities Fund (FMSFX) presents a focused investment in the U.S. mortgage-backed securities market. With a beta of 1.17, the fund demonstrates moderate volatility relative to the broader market. The fund's strategy of investing primarily in investment-grade mortgage-related securities aims to provide a stable income stream. However, the absence of a dividend yield may deter income-focused investors. Growth catalysts include potential interest rate declines, which could boost the value of its fixed-income holdings. Key risks involve interest rate increases and credit spread widening, which could negatively impact the fund's net asset value. The fund's success hinges on Fidelity's ability to navigate the complexities of the mortgage market and manage interest rate risk effectively.

Based on FMP financials and quantitative analysis

FMSFX Key Highlights

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

Market Cap of $0.75B indicates a mid-sized fund within the asset management landscape.

  • Beta of 1.17 suggests moderate volatility compared to the broader market.
  • Focus on investment-grade mortgage-related securities aims for a balance between risk and return.
  • Investments in U.S. government securities provide a degree of safety and liquidity.
  • Absence of dividend yield may not appeal to income-seeking investors.

Who Are FMSFX's Competitors?

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

Company Price Change Market Cap MoonshotScore
CMIDX Congress Mid Cap Growth Fund $20.28 +1.30% $615M —
FTIEX Fidelity Total International Equity Fund $16.79 +0.30% $770M —
HFEAX Janus Henderson European Focus Fund $60.48 +0.92% $684M —
BLK BlackRock, Inc. $1066.45 +0.64% $165B 51 5-pillar
BX Blackstone Inc. $112.52 +0.69% $136B 68 5-pillar
APOS Apollo Global Management, Inc. $25.59 0.00% $74.8B 56 5-pillar
BAM Brookfield Asset Management $44.73 -0.27% $71.4B 57 5-pillar
AMP Ameriprise Financial, Inc. $493.62 +0.55% $44.4B 77 5-pillar

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

What Are FMSFX's Key Strengths?

Strong brand reputation of Fidelity Investments.

  • Focus on investment-grade mortgage-backed securities.
  • Experienced management team with expertise in fixed-income investing.
  • Access to extensive research and resources.

What Are FMSFX's Weaknesses?

Sensitivity to interest rate movements.

  • Dependence on the health of the mortgage market.
  • Absence of dividend yield may deter some investors.
  • Potential for credit risk in mortgage-backed securities.

What Are the Key Risks for FMSFX?

Rising interest rates could negatively impact the fund's net asset value.

  • Economic downturn and housing market decline could lead to increased credit risk in mortgage-backed securities.
  • Increased competition from other asset managers offering similar products.
  • Regulatory changes affecting the mortgage market could impact the fund's investment strategy.

What Are FMSFX's Competitive Advantages?

  • Brand Reputation: Fidelity Investments has a strong brand reputation and a long track record of success in asset management.
  • Scale and Distribution: Fidelity's large scale and extensive distribution network provide a competitive advantage.
  • Expertise in Fixed-Income Investing: Fidelity has a team of experienced fixed-income professionals with expertise in mortgage-backed securities.
  • Access to Research and Resources: Fidelity has access to extensive research and resources, which can improve investment decision-making.

What Does FMSFX Do?

Fidelity Mortgage Securities Fund (FMSFX) is a mutual fund managed by Fidelity Investments, one of the world's largest asset managers. The fund was established to provide investors with a diversified portfolio of mortgage-related securities, primarily those rated as investment grade. The fund's strategy centers on investing at least 80% of its assets in mortgage-backed securities and repurchase agreements for those securities, emphasizing securities of medium and high quality. These investments include U.S. government securities and instruments related to U.S. government securities, including those issued by entities chartered or sponsored by Congress but not directly guaranteed by the U.S. Treasury. This focus allows the fund to participate in the mortgage market while maintaining a relatively conservative risk profile. The fund's performance is influenced by factors such as interest rate movements, credit spreads, and the overall health of the housing market. Fidelity's expertise in fixed-income investing and risk management is crucial to the fund's ability to deliver consistent returns to its investors.

What Products and Services Does FMSFX Offer?

  • Invests primarily in investment-grade mortgage-related securities.
  • Focuses on U.S. government securities and related instruments.
  • Participates in repurchase agreements for mortgage-backed securities.
  • Aims to provide a diversified portfolio of mortgage-related assets.
  • Manages interest rate and credit risk within the fixed-income market.
  • Offers investors exposure to the U.S. mortgage market.

How Does FMSFX Make Money?

  • Generates revenue through management fees charged on assets under management (AUM).
  • Invests in mortgage-backed securities and related instruments to generate returns.
  • Utilizes Fidelity's expertise in fixed-income investing and risk management.
  • Distributes fund shares through various channels, including financial advisors and online platforms.

What Industry Does FMSFX Operate In?

Fidelity Mortgage Securities Fund operates within the asset management industry, specifically focusing on fixed-income investments in mortgage-backed securities. The industry is influenced by macroeconomic factors such as interest rates, inflation, and economic growth. Competitors include other asset managers offering similar mortgage-backed securities funds, such as CMIDX, FTIEX, HFEAX, HFECX, and HFERX. The fund's performance is tied to the overall health of the mortgage market and the ability of its managers to navigate interest rate and credit risks. The asset management industry is experiencing growth driven by increasing demand for diversified investment products.

Who Are FMSFX's Key Customers?

  • Individual investors seeking exposure to the mortgage market.
  • Institutional investors looking for fixed-income diversification.
  • Retirement savers seeking stable returns in their investment portfolios.
  • Financial advisors using the fund as part of their client's asset allocation strategies.
Model self-rating on this text: 81% (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 46
2026-08-31 46
2026-09-08 46
2026-09-16 46
2026-09-24 46
2026-10-04 46
2026-10-05 46

What changed?

The score has stayed at 46.

Over the same 30 days the stock moved -3.6%.

FMSFX Financials

Bull Case vs Bear Case

Bull Case

  • Strong brand reputation of Fidelity Investments.
  • Focus on investment-grade mortgage-backed securities.
  • Experienced management team with expertise in fixed-income investing.
  • Access to extensive research and resources.

Bear Case

  • Sensitivity to interest rate movements.
  • Dependence on the health of the mortgage market.
  • Absence of dividend yield may deter some investors.
  • Potential for credit risk in mortgage-backed securities.

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

FMSFX Latest News

No recent news available for FMSFX.

FMSFX Analyst Consensus

Consensus Rating

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

Price Targets

Wall Street price target analysis for FMSFX.

FMSFX MoonshotScore

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

Common Questions About FMSFX (Financials)

What are the main risks for FMSFX?

The primary risks for Fidelity Mortgage Securities Fund (FMSFX) include interest rate risk, credit risk, and prepayment risk. Interest rate risk refers to the potential for the fund's value to decline as interest rates rise. Credit risk is the possibility that borrowers may default on their mortgage payments, leading to losses for the fund.

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 should not be considered investment advice.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis