Morningstar

American Century Inflation Adjusted Bond Fund Y Class AIAYX

Morningstar Medalist Rating
Medalist Rating as of | See American Century Investment Hub
  • NAV / 1-Day Return 10.49  /  +0.29 %
  • Total Assets 2.0B
  • Adj. Expense Ratio
    0.270%
  • Expense Ratio 0.310%
  • Distribution Fee Level Low
  • Share Class Type Institutional
  • Category Inflation-Protected Bond
  • Credit Quality / Interest Rate Sensitivity High/Moderate
  • Min. Initial Investment 0
  • Status Open
  • TTM Yield 4.10%
  • Effective Duration 6.54 years

USD | NAV as of Jul 18, 2026 | 1-Day Return as of Jul 18, 2026, 12:11 AM GMT+0

Morningstar’s Analysis AIAYX

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

  • People Pillar

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

null Morningstar Automated Analysis

Morningstar Automated Analysis

Summary

American Century Inflation Adjs Bond Y holds a quantitatively derived Neutral Morningstar Medalist Rating. The rating suggests the model does not express a clear expectation of outperformance or underperformance relative to peers over a full market cycle.

by Morningstar Automated Analysis
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Portfolio Holdings AIAYX

More AIAYX Holdings
  • Current Portfolio Date
  • Equity Holdings —
  • Bond Holdings —
  • Other Holdings —
  • % Assets in Top 10 Holdings 40.2
Top 10 Holdings
% Portfolio Weight
Market Value USD
Sector

United States Treasury Notes 1.375%

5.19 113M
Government

United States Treasury Notes 1.875%

4.56 100M
Government

United States Treasury Notes 0.125%

4.44 97M
Government

United States Treasury Notes 1.875%

4.34 95M
Government

Ultra 10 Year US Treasury Note Future Sept 26

4.25 93M
Government

United States Treasury Notes 0.625%

3.74 82M
Government

United States Treasury Notes 0.25%

3.73 82M
Government

United States Treasury Notes 1.25%

3.55 78M
Government

United States Treasury Notes 0.5%

3.21 70M
Government

United States Treasury Bonds 3.875%

3.20 70M
Government

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