AAII Mutual Fund Summary Report for ACYIX

Fund Evaluator:

American Century High-Yield R5 (ACYIX) Follow This Fund
Fixed Income
Global Asset Class
Taxable Bond
Fund Group
High Yield Bond
Category
$5.150
NAV (as of Sep 02)
$0.00
Minimum Initial
0.50% A
Expense Ratio
$85 Mil
Assets
Open
Status
na
12b-1 Fee
6.63%
TTM Yield
0.00%
Max Load
116%
Portfolio Turnover

Best Performing in High Yield Bond Over the Last Year

11.4% Fidelity Capital & Income (FAGIX)
10.5% Fidelity Advisor Capital & Income Z (FIQTX)
7.4% American Beacon SiM High Yld Opps Inv (SHYPX)
7.4% Fidelity Advisor High Income Z (FGUMX)
7.2% Fidelity High Income (SPHIX)
Data as of 7/31/2026
0.0% A
1-Mo Return
0.9% A
3-Mo Return
2.8% A
YTD Return
6.8% A
1-Yr Return
7.7% C
3-Yr Return
3.3% D
5-Yr Return
1.05 C
Category Risk Index
0.34
Total Risk Index

Fund Details

Fund Family
American Century Investments

Inception Date
8/2/2004

Share Class Type
Retirement

Equity Investment Style
na

Bond Investment Style
High Quality Limited Sensitivity

Socially Responsible Fund
No

Index Fund
No

Benchmark Index
Bloomberg US Agg Bond TR USD: 100%

Additional Fund Details


American Century High-Yield R5 Overview

American Century High-Yield R5 (ACYIX) is an actively managed Taxable Bond High Yield Bond fund. American Century Investments launched the fund in 2004.

The investment seeks high current income; capital appreciation is the secondary objective. The portfolio managers will maintain at least 80% of the fund's net assets in high-yield corporate bonds and other debt instruments. The remaining assets may be invested in common stocks or other equity-related securities. Up to 40% of the fund's total assets may be invested in fixed-income obligations of foreign issuers. It may invest up to 20% of its assets in short-term money market instruments and U.S. government securities. The fund has no average maturity limitations, but it typically invests in intermediate-term and long-term debt securities.

About American Century High-Yield R5 (ACYIX)

There are 2 members of the management team with an average tenure of 4.15 years: Charles Tan (2019), Muting Ren (2025). Management tenure is more important for actively managed funds than passive index funds.

The fund has 2 primary benchmarks: Bloomberg US Agg Bond TR USD index with a weighting of 100% and ICE BofA US HY Constnd TR USD index with a weighting of 100%. American Century High-Yield R5 has 311 securities in its portfolio. The top 10 holdings constitute 7.5% of the fund’s assets. The fund meets the SEC requirement of being classified as a diversified fund. The fund is not considered to have an ESG focus with its investment selection and management.

American Century High-Yield R5 is part of the Fixed Income global asset class and is within the Taxable Bond fund group. American Century High-Yield R5 has 12.3% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 0.0%. There is 0.0% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 95.7% (83.4% domestic bond, 12.3% foreign bond and 0.0% convertible bond). American Century High-Yield R5 has 4.3% of the portfolio in cash.

Assets Under Management

The fund has $47 million in total assets, which is below the $545 million average for the High Yield Bond category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.

ACYIX Performance and Fees

The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The American Century High-Yield R5 expense ratio is average compared to funds in the High Yield Bond category. American Century High-Yield R5 has an expense ratio of 0.50%, which is 46% lower than its category average, making the fund expense ratio grade a A. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.

High portfolio turnover can translate to higher expenses and lower aftertax returns. American Century High-Yield R5 has a portfolio turnover rate of 116%, indicating that holds its assets around 0.0 years. By way of comparison, the average portfolio turnover is 72% for the High Yield Bond category.

Recently, in the month of July 2026, American Century High-Yield R5 returned 0.0%, which earned it a grade of A, as the High Yield Bond category had an average return of -0.3%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all funds in that category.

American Century High-Yield R5 has a trailing yield of 6.63%, which is above the 6.28% category average. The fund normally distributes its income monthly and its capital gains annually.

It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.

American Century High-Yield R5 Grades

Year to date, the fund has returned 2.8%, 1.1 percentage points better than the category, which translates into a grade of A. The fund has returned 6.8% over the past year (grade of A), 7.7% over the past three years (grade of C) and 3.3% per year over the past five years (grade of D) and 4.5% per year over the past 10 years (grade of D).

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ACYIX Trailing NAV Total Returns Data as of 7/31/26

Last
Month
Last
Quarter
Ann'l.
1Yr
Ann'l.
3Yr
Ann'l.
5Yr
Ann'l.
10Yr
ACYIX Return (NAV) 0.0% 0.9% 6.8% 7.7% 3.3% 4.5%
ACYIX Grade A A A C D D
+/- Category 0.3% 0.5% 1.9% 0.1% -0.4% -0.3%
High Yield Bond Avg -0.3% 0.4% 4.9% 7.5% 3.7% 4.8%
ACYIX Tax Cost Ratio na na 2.6% 2.4% 2.3% 2.2%

ACYIX Annual NAV Total ReturnsData as of 7/31/26

2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016
ACYIX Return (NAV) 2.8% 8.8% 6.3% 10.7% -11.6% 4.5% 6.1% 13.4% -3.1% 6.1% 14.2%
ACYIX Grade A A F F D D B C C D C
+/- Category 1.1% 0.9% -1.3% -1.2% -1.6% -0.6% 0.8% 0.4% -0.5% -0.6% 0.7%
High Yield Bond Avg 1.6% 7.9% 7.6% 11.9% -10.0% 5.1% 5.2% 13.0% -2.7% 6.7% 13.4%
Risk Measures
Standard Deviation: 4.2%
Total Risk Index: 0.34 - Low
Category Risk Index: 1.05 - Average
Category Risk Grade: C (56% Rank)
Beta: 0.65
R-Squared: 75%
Leveraged Fund: No
Inverse Fund: No
Portfolio Characteristics
Equity Investment Style: na
Bond Investment Style: High Quality Limited Sensitivity
Yield: 6.6%
Dividend Distribution: Monthly
Cap Gains Distribution: Annually
Total Assets: $85 Mil
Fund Total Assets: $ 0 Mil
Share Class Type: Retirement
Portfolio Turnover: 116%

Management Team

Number of Managers: 2
Longest Tenure: 7.2 years
Average Tenure: 4.1 years
Managers (Year): Tan Charles (2019), Ren Muting (2025)

Portfolio Composition (as of 6/30/26)

# of Holdings: 311
% in Top 10 Holdings: 7.5%
Fund is Non-Diversified: No
% in Foreign Issues: 12.3%
 

Portfolio Allocation

Domestic Stock: 0.0%
Foreign Stock: 0.0%
Preferred Stock: 0.0%
Domestic Bond: 83.4%
Foreign Bond: 12.3%
Convertible Bond: 0.0%
Other: 0.0%
Cash: 4.3%

Purchase Information

Fund Family: American Century Investments
Phone Number: 800-345-2021
Website: www.americancentury.com
Status: Open
Inception Date: August 2, 2004
Min. Initial Purchase: $ 0
Min. Initial IRA Purchase: $ 0
True No-Load: Yes
Front Load Maximum: 0.00%
Deferred Charge Maximum: 0.00%
Redemption Charge Maximum: 0.00%
12b-1 Fee: na

Expenses and Fees

Expense Ratio (%): 0.50% ( Rating : Avg )
Category Average Expense Ratio (%): 0.92%
Share Class: American Century High-Yield Inv
Min. Subsequent Purchase: $ 0
Min. Subsequent IRA Purchase: $ 0
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