Investment Fund

Share Class

Summary

Internal Prompt
A quality foundation. Invests primarily in securities guaranteed or sponsored by the U.S. government and manages allocations between government and mortgage securities. Seeks to outpace the Treasury and mortgage-backed securities markets while maintaining low correlation to equities and minimal credit risk.
Price at NAV $12.11 as of 1/30/2026 (updated daily)
Fund Assets (millions) $24,029.1
Portfolio Managers
4
Expense Ratio
(Gross/Net %)
0.68 / 0.65%
Quarterly Fund Fact Sheet (PDF)
Prospectus
Internal Prompt

Returns at NAV

Returns at MOP

Read important investment disclosures
3.48%
1-year return
-1.14%
5-year return
1.12%
10-year return
3.50%
30-Day SEC Yield
Returns as of 12/31/25 (updated monthly). Yield as of 12/31/25 (updated monthly).

Asset Mix

U.S. Equities0.0%
Non-U.S. Equities0.0%
U.S. Bonds91.0%
Non-U.S. Bonds0.0%
Cash & Equivalents
9.0%
As of 12/31/2025 (updated monthly)
Internal Prompt

Volatility & Return

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Fixed-Income

For Class A Shares, this chart tracks the 10-year standard deviation
and 10-year annualized return of the fixed income funds
AMUSX
Bloomberg U.S. Government/Mortgage Backed Securities Indx
Other AF Funds
Standard Deviation as of 12/31/2025 (updated monthly) . Annualized return as of 12/31/2025 (updated monthly) .
VIEW LARGER CHART

Fund Statistics

5.6 years
Effective Duration
4%
Average Yield
to Worst
3.9%
Average Coupon
% of net assets as of 12/31/2025 (updated monthly)

Morningstar Style BoxTM— Fixed-Income

High Quality
Moderate Interest-Rate Sensitivity
Morningstar data as of 12/31/25 (updated quarterly)

Description

Objective
The fund's investment objective is to provide a high level of current income consistent with prudent investment risk and preservation of capital.
Distinguishing Characteristics
Invests primarily in securities guaranteed or sponsored by the U.S. government and mortgage-backed securities.
Types of Investments
Primarily invests in direct obligations of the U.S. Treasury and securities issued by U.S. government agencies, and cash and equivalents.
Maturity
Not required to maintain any particular maturity.
Portfolio Restrictions
At least 80% of the fund's assets will be invested in securities that are guaranteed or sponsored by the U.S. government.

Fund Facts

Fund Inception 10/17/1985
Fund Assets (millions)
As of 12/31/2025
 $24,029.1
Companies/Issuers
Holdings are as of 12/31/2025 (updated monthly).
 38+
Shareholder Accounts
Shareholder accounts are as of 12/31/2025
 149,535
Regular Dividends Paid
Monthly
Minimum Initial Investment $250
Capital Gains Paid
Dec
Portfolio Turnover (2025) 309%
Fiscal Year-End Aug
Prospectus Date 11/01/2025
CUSIP 026300 10 3
Fund Number 22

Returns

Internal Prompt

Month-End Returns as of 12/31/25

Returns at NAV
| at MOP
Read important investment disclosures
AMUSX
Bloomberg U.S. Government/Mortgage Backed Securities Indx
ANNUAL RETURNS CHART

Quarter-End Returns as of 12/31/25

Growth of 10K

Read important investment disclosures
For Class A Shares, this chart tracks a hypothetical investment with dividends reinvested, over the last 20 years, or since inception date if the fund has been in existence under 20 years, through 12/31/2025.
AMUSX
Bloomberg U.S. Government/Mortgage Backed Securities Indx
VIEW LARGER CHART

High & Low Prices

Internal Prompt

Yield

12-month
Distribution Rates
30-day SEC Yield
Fund at NAV 3.97% N/A
Fund at MOP 3.82% 3.50%
As of 12/31/2025 (updated monthly)
Years of Experience with Fund
Years of Experience with Capital Group
Years of Experience with Investment Industry
David Betanzos 11 24 28
Fergus MacDonald 16 22 33
Pratyoosh Pratyoosh 1 13 19
Ritchie Tuazon 11 15 26
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(98)
3-yr. Morningstar RatingTM
(98 funds rated)
5-yr. Morningstar RatingTM
(94 funds rated)
10-yr. Morningstar RatingTM
(76 funds rated)
Overall Morningstar Risk Above Average
HIGH
LOW
Category
Intermediate Government
ADVANTAGES AND DISADVANTAGES OF MORNINGSTAR RATINGS
Ratings are based on risk-adjusted returns as of 12/31/2025 (updated monthly).

Lipper Leader Scorecard

Over-all 3 yr. 5 yr. 10 yr.
Consistent Return Within Category
Funds Rated
(58)
(58)
(56)
(47)
Expense Within Category
Funds Rated
(162)
(162)
(140)
(120)
Preservation Within Category
Funds Rated
(5996)
(5996)
(5594)
(4259)
Tax Efficiency Within Category
Funds Rated
(58)
(58)
(56)
(47)
Total Return Within Category
Funds Rated
(58)
(58)
(56)
(47)
Category General US Govt Funds
KEY
HIGHEST LOWEST
As of 12/31/2025 (updated monthly)

Risk Measures

Fund
Standard Deviation
4.83
Sharpe Ratio
-0.14
For the 10 Years ending 12/31/25 (updated monthly).
American Funds
Benchmark
Morningstar
Benchmark
Bloomberg U.S. Government/Mortgage Backed Securities Indx
Bloomberg US Agg Bond TR USD
R-squared
86 86
Beta
0.89 0.89
Capture Ratio (Downside/Upside)
--/-- 87/84
American Funds Benchmark for the 10 Years ending 12/31/25 (updated monthly).
Morningstar Benchmark for the 10 Years ending 12/31/25 (updated monthly).
U.S. Treasuries/Agencies
47.6%
AAA/Aaa
1.2%
AA/Aa
42.2%
Unrated
0.1%
Cash & equivalents
8.5%
% of net assets as of 12/31/2025 (updated monthly)

Average Life Breakdown

0-4.9 Years
61.1%
5-9.9 Years
19.6%
10-19.9 Years
3.5%
20-29.9 Years
6.8%
30+ Years
--
% of net assets as of 12/31/2025 (updated monthly)

Holdings

Bonds Breakdown

Bond Details

Total bond holdings
 U.S. Treasury bonds & notes 47.6%
Mortgage-backed obligations 43.4%

% of net assets as of 12/31/2025 (updated quarterly)

Top Fixed-Income Issuers

U.S. Treasury
47.2%
Federal Home Loan Mortgage
21.2%
Fannie Mae
17.1%
Ginnie Mae II
2.1%
UMBS
2.0%
Federal Home Loan Bank
0.2%
Freddie Mac Multifamily Structured Pass Throug ...
0.2%
Tennessee Valley Authority
0.2%
Freddie Mac - SLST SLST_18-2
0.2%
Seasoned Loans Structured Transaction Trust SL ...
0.2%

% of net assets as of 12/31/2025 (updated monthly)

Prices & Distributions

Internal Prompt

Historical Prices Month-End

2025

Historical Prices Year-End

Internal Prompt

Historical Distributions as of 01/30/26

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 $0.0361921 $0.00 $0.00 $0.00 $12.11
2026 Year-to-Date: Dividends Subtotal: $0.03619214 Cap Gains Subtotal: $0.00
Total Distributions: $0.03619214

Fees & Expenses

Internal Prompt

Fees

Annual Management Fees 0.24%
Other Expenses 0.18%
Service 12b-1 0.26%
As of each fund's most recent prospectus.
Internal Prompt

Expense Ratio

Gross Net
AMUSX 0.68% 0.65%
Lipper General U.S. Government Funds Average
0.77%
Fund as of most recent prospectus. Lipper Category as of 12/31/25 (updated quarterly).