Investment Fund

Share Class
Purchase Information: Class F-1 shares are primarily available through certain financial services platforms that support self-directed investors. See the prospectus for details.
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Summary

Internal Prompt
Quality, preservation and income. Focused on capital preservation and income, this strategy invests in U.S. government bonds, high-quality corporate bonds, asset-backed and mortgage-backed securities. It seeks a higher yield than money market funds with low interest rate sensitivity.
Price at NAV $9.58 as of 4/17/2026 (updated daily)
Fund Assets (millions) $12,744.4
Portfolio Managers
3
Expense Ratio
(Gross/Net %)
0.67 / 0.67%
Prospectus
Internal Prompt

Returns at NAV

Returns with Sales Charge

Asset Mix

U.S. Equities0.0%
Non-U.S. Equities0.0%
U.S. Bonds90.3%
Non-U.S. Bonds3.1%
Cash & Equivalents
6.6%
As of 3/31/2026 (updated monthly)

Growth of 10K

Read important investment disclosures

High & Low Prices

Fund Statistics

2.3 years
Effective Duration
4.3%
Average Yield
to Worst
3.9%
Average Coupon
% of net assets as of 3/31/2026 (updated monthly)

Morningstar Style BoxTM— Fixed-Income

High Quality
Limited Interest-Rate Sensitivity
Morningstar data as of 3/31/26 (updated quarterly)

Description

Fund Objective
The fund's investment objective is to provide you with current income, consistent with the maturity and quality standards described in this prospectus, and preservation of capital.
Distinguishing Characteristics
Focused on current income and capital preservation, this fund invests primarily in U.S. government bonds, high-quality corporate bonds, asset-backed and mortgage-backed securities. It seeks a higher yield than money market funds with lower interest rate sensitivity than intermediate and long-term bond funds. The high-quality approach may result in lower correlation with equity markets than the average short-term bond fund.
Types of Investments
Primarily corporate and government bonds, mortgage- and asset-backed securities and cash.
Maturity
The fund's portfolio will have a dollar-weighted average maturity no greater than three years.
Portfolio Restrictions
The fund will primarily invest in debt securities rated AA- or better or Aa3 or better at the time of purchase (or unrated but determined by the fund’s investment adviser to be of equivalent quality). Up to 10% of assets can be invested in debt securities in the A rating category. The fund will not purchase debt securities rated BBB+ or below and Baa1 or below.

Fund Facts

Fund Inception 10/02/2006
Fund Assets (millions)
As of 3/31/2026
 $12,744.4
Companies/Issuers
Holdings are as of 2/28/2026 (updated monthly).
 836+
Shareholder Accounts
Shareholder accounts are as of 3/31/2026
 3,081
Regular Dividends Paid
Monthly
Minimum Initial Investment $250
Capital Gains Paid
Dec
Portfolio Turnover (2025) 232%
Fiscal Year-End Aug
Prospectus Date 11/01/2025
CUSIP 82524A 40 9
Fund Number 448

Returns

Internal Prompt

Month-End Returns as of 3/31/26

Returns at NAV
| With Sales Charge
Read important investment disclosures
ASBFX
Bloomberg U.S. Government/Credit (1-3 years, ex BBB) Index
ANNUAL RETURNS CHART

Quarter-End Returns as of 3/31/26

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Volatility & Return

Read important investment disclosures

Fixed-Income

For Class F-1 Shares, this chart tracks the 10-year standard deviation
and 10-year annualized return of the fixed income funds
ASBFX
Bloomberg U.S. Government/Credit (1-3 years, ex BBB) Index
Other AF Funds
Standard Deviation as of 03/31/2026 (updated monthly) . Annualized return as of 03/31/2026 (updated monthly) .
VIEW LARGER CHART
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Yield

12-month
Distribution Rates
30-day SEC Yield
Fund at NAV 3.81% 3.64%
Fund at MOP N/A N/A
As of 3/31/2026 (updated monthly)

Portfolio Management

Years of Experience with Fund
Years of Experience with Capital Group
Years of Experience with Investment Industry
Oliver Edmonds 5 22 23
Vince Gonzales 9 14 18
Tom Hollenberg 2 9 21
A boldface number indicates that years of experience with Capital Group is equal to years of experience with investment industry.

Ratings & Risk

Morningstar Rating TM


Overall Morningstar RatingTM
Funds rated(525)
3-yr. Morningstar RatingTM
(525 funds rated)
5-yr. Morningstar RatingTM
(496 funds rated)
10-yr. Morningstar RatingTM
(379 funds rated)
Overall Morningstar Risk Below Average
HIGH
LOW
Category
Short-Term Bond
ADVANTAGES AND DISADVANTAGES OF MORNINGSTAR RATINGS
Ratings are based on risk-adjusted returns as of 3/31/2026 (updated monthly).

Risk Measures

Fund
Standard Deviation
1.61
Sharpe Ratio
-0.44
For the 10 Years ending 3/31/26 (updated monthly).
American Funds
Benchmark
Morningstar
Benchmark
Bloomberg U.S. Government/Credit (1-3 years, ex BBB) Index
Bloomberg US Agg Bond TR USD
R-squared
70 70
Beta
0.25 0.25
Capture Ratio (Downside/Upside)
16/35 16/35
American Funds Benchmark for the 10 Years ending 3/31/26 (updated monthly).
Morningstar Benchmark for the 10 Years ending 3/31/26 (updated monthly).
U.S. Treasuries/Agencies
39.9%
AAA/Aaa
30.2%
AA/Aa
11.7%
A
7.9%
Unrated
3.5%
Cash & equivalents
6.6%
% of net assets as of 3/31/2026 (updated monthly)

Average Life Breakdown

0-4.9 Years
89.4%
5-9.9 Years
2.3%
10-19.9 Years
1.3%
20-29.9 Years
0.4%
30+ Years
--
% of net assets as of 3/31/2026 (updated monthly)

Holdings

Bonds Breakdown

Bond Details

Total bond holdings
 U.S. Treasury bonds & notes 39.9%
Asset-backed obligations 24.8%
Non-U.S. government/agency securities 1.1%

% of net assets as of 3/31/2026 (updated quarterly)

Top Fixed-Income Issuers

U.S. Treasury
40.1%
Fannie Mae
2.4%
Federal Home Loan Mortgage
2.3%
JPMorgan Chase
0.9%
UMBS
0.9%
Morgan Stanley
0.5%
Mars
0.5%
Edison International
0.4%
Amazon.com
0.4%
Hertz Vehicle Financing LLC HERTZ_21-2
0.4%

% of net assets as of 3/31/2026 (updated monthly)

Prices & Distributions

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Historical Prices Month-End

2026

Historical Prices Year-End

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Historical Distributions as of 04/17/26

FIND HISTORICAL DISTRIBUTIONS
2026
Record
Date		 Calculated
Date		 Pay Date
Income Dividend Regular
Income Dividend Special
Cap. Gains Long-Term
Cap. Gains Short-Term
Reinvest NAV
Daily 01/30/26 02/02/26 $0.0282927 $0.00 $0.00 $0.00 $9.63
Daily 02/27/26 03/02/26 $0.0268522 $0.00 $0.00 $0.00 $9.64
Daily 03/31/26 04/01/26 $0.0294589 $0.00 $0.00 $0.00 $9.56
2026 Year-to-Date: Dividends Subtotal: $0.08460382 Cap Gains Subtotal: $0.00
Total Distributions: $0.08460382

Fees & Expenses

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Fees

Annual Management Fees 0.25%
Other Expenses 0.17%
Service 12b-1 0.25%
As of each fund's most recent prospectus.
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Expense Ratio

ASBFX 0.67%
Lipper Short U.S. Government Funds Average
0.58%
Fund as of most recent prospectus. Lipper Category as of 3/31/26 (updated quarterly).