Morningstar

American Century Short Duration Fund Investor Class ACSNX

Morningstar Medalist Rating
Medalist Rating as of | See American Century Investment Hub
  • NAV / 1-Day Return 9.76  /  −0.10 %
  • Total Assets 1.0B
  • Adj. Expense Ratio
    0.560%
  • Expense Ratio 0.560%
  • Distribution Fee Level Average
  • Share Class Type No Load
  • Category Short-Term Bond
  • Credit Quality / Interest Rate Sensitivity Medium/Limited
  • Min. Initial Investment 2,500
  • Status Open
  • TTM Yield 4.36%
  • Effective Duration 2.35 years

USD | NAV as of Jul 21, 2026 | 1-Day Return as of Jul 21, 2026, 12:11 AM GMT+0

Morningstar’s Analysis ACSNX

Will ACSNX 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 ACSNX’s performance objective and investment process is for both security selection and portfolio construction.

  • People Pillar

    The People Pillar is our evaluation of the ACSNX 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 ACSNX’s parent organization’s priorities and whether they’re in line with investors’ interests.

Turnover undermines confidence.

Analyst Saraja Samant

Saraja Samant

Analyst

Summary

Persistent turnover remains a challenge and limits our conviction in American Century Short Duration Bond.

by Saraja Samant
Rated on Published on

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Portfolio Holdings ACSNX

More ACSNX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 28.3
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

United States Treasury Notes 3.5%

7.98 82M
Government

United States Treasury Notes 3.875%

6.71 69M
Government

Ssc Government Mm Gvmxx

3.45 35M
Cash and Equivalents

United States Treasury Notes 3.875%

2.92 30M
Government

United States Treasury Notes 3.375%

2.64 27M
Government

United States Treasury Notes 4.125%

2.15 22M
Government

United States Treasury Notes 4.625%

1.97 20M
Government

United States Treasury Notes 4.5%

1.96 20M
Government

United States Treasury Notes 3.875%

1.95 20M
Government

United States Treasury Notes 3.5%

1.59 16M
Government

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