Morningstar

MFS Income Fund Class A MFIOX

Morningstar Medalist Rating
Medalist Rating as of | See MFS Investment Hub
  • NAV / 1-Day Return 5.64  /  −0.18 %
  • Total Assets 8.1B
  • Adj. Expense Ratio
    0.730%
  • Expense Ratio 0.730%
  • Distribution Fee Level Below Average
  • Share Class Type Front Load
  • Category Intermediate Core-Plus Bond
  • Credit Quality / Interest Rate Sensitivity Medium/Moderate
  • Min. Initial Investment 1,000
  • Status Open
  • TTM Yield 4.97%
  • Effective Duration 5.75 years

USD | NAV as of Oct 03, 2026 | 1-Day Return as of Oct 03, 2026, 1:34 AM GMT+0

Morningstar’s Analysis MFIOX

Will MFIOX outperform in the future?

Get our overall rating based on a fundamental assessment of the pillars below.

  • Process Pillar

    The Process Pillar is our assessment of how sensible, clearly defined, and repeatable MFIOX’s performance objective and investment process is for both security selection and portfolio construction.

  • People Pillar

    The People Pillar is our evaluation of the MFIOX management team’s experience and ability. We find that high-quality management teams deliver superior performance relative to their benchmarks and/or peers.

  • Parent Pillar

    The Parent Pillar is our rating of MFIOX’s parent organization’s priorities and whether they’re in line with investors’ interests.

An appealing option.

Senior Analyst Elbie Louw

Elbie Louw

Senior Analyst

Summary

MFS Income, overseen by two experienced managers, boasts a robust process and thoughtful use of its risk budget. We maintain our People Pillar rating of Above Average and Process Pillar rating of High.

by Elbie Louw
Rated on Published on

Unlock our full analysis with Morningstar Investor

Portfolio Holdings MFIOX

More MFIOX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 32.5
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

2 Year Treasury Note Future Dec 26

12.12 1B
Government

5 Year Treasury Note Future Dec 26

3.71 310M
Government

United States Treasury Bonds 4.5%

2.80 234M
Government

United States Treasury Bonds 4.88%

2.72 228M
Government

United States Treasury Bonds 4.75%

2.29 192M
Government

United States Treasury Notes 4.63%

2.15 180M
Government

United States Treasury Bonds 4.75%

1.77 149M
Government

United States Treasury Bonds 4.25%

1.72 144M
Government

Currency Cash CASH_USD

1.65 138M
Cash and Equivalents

United States Treasury Bonds 4.5%

1.64 137M
Government

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