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Use your plan ID (available on your account statement) to determine which employer-sponsored retirement plan website to use:

IF YOUR PLAN ID BEGINS WITH IRK, BRK, 1 OR 2

Visit americanfunds.com/retire

IF YOUR PLAN ID BEGINS WITH 34 OR 135

Visit myretirement.americanfunds.com

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Investment Fund

®

Share Class

Summary

Internal Prompt
Quality, income and diversification. With a focus on high-quality mortgage-backed securities that are either guaranteed or sponsored by the U.S. government, this fund may provide a higher level of income than U.S. Treasuries as well as diversification during equity market downturns.
Price at NAV $8.73 as of 12/08/2023 (updated daily)
Fund Assets (millions) $9,049.9
Portfolio Managers
3
Expense Ratio
(Gross/Net %)
0.74 / 0.72%
Prospectus (PDF)

Internal Prompt

Returns at NAV

Returns with Sales Charge

Read important investment disclosures
-4.16%
1-year return
-0.48%
5-year return
0.53%
10-year return
4.26%
30-Day SEC Yield
Returns as of 11/30/23 (updated monthly). Yield as of 10/31/23 (updated monthly).

Asset Mix

U.S. Equities0.0%
Non-U.S. Equities0.0%
U.S. Bonds96.4%
Non-U.S. Bonds0.0%
Cash & Equivalents
3.6%
As of 10/31/2023 (updated monthly)

Growth of 10K

Read important investment disclosures
For Class 529-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 12/31/2022.
CMFAX
Bloomberg U.S. Mortgage Backed Securities Index
VIEW LARGER CHART

High & Low Prices

Fund Statistics

6.8 years
Effective Duration
6.3%
Average Yield
to Worst
4.4%
Average Coupon
% of net assets as of 10/31/2023 (updated monthly)

Morningstar Style BoxTM— Fixed-Income

High Quality
Moderate Interest-Rate Sensitivity
Morningstar data as of 9/30/23 (updated quarterly)

Description

Fund Objective
The fund's investment objective is to provide current income and preservation of capital.
Distinguishing Characteristics
With a focus on high-quality mortgage-backed securities that are either guaranteed or sponsored by the U.S. government, this fund may provide a higher level of income than U.S. Treasuries as well as diversification during equity market downturns. This fund seeks to add value by actively managing sector allocation, security selection, duration and yield curve.
Types of Investments
Primarily mortgage-related securities guaranteed by the U.S. government, mortgage-related securities issued by government-sponsored entities but not backed by the full faith and credit of the U.S. government, and non-government mortgage-related securities rated AAA/Aaa or unrated but determined to be of equivalent quality by the fund’s investment adviser. Up to 5% of assets may be invested in securities (excluding securities that are sponsored or guaranteed by the U.S. government, its agencies and instrumentalities) rated AA/Aa or A, or unrated but of equivalent quality.
Holdings Outside the U.S.
Up to 10% of assets may be invested in high-quality, U.S. dollar-denominated mortgage-related securities from issuers outside the U.S.
Maturity
Not required to maintain any particular maturity.
Portfolio Restrictions
Normally, at least 80% of the fund’s assets will be invested in mortgage-related securities.

Fund Facts

Fund Inception 11/01/2010
Fund Assets (millions)
As of 10/31/2023
 $9,049.9
Companies/Issuers
Holdings are as of 10/31/2023 (updated monthly).
 63+
Shareholder Accounts
Shareholder accounts are as of 10/31/2023
 3,065
Regular Dividends Paid
Monthly
Minimum Initial Investment $250
Capital Gains Paid
Dec
Portfolio Turnover (2023) 1185%
Fiscal Year-End Aug
Prospectus Date 11/01/2023
CUSIP 02630V 60 0
Fund Number 1042

Returns

Internal Prompt

Month-End Returns as of 11/30/23

Returns at NAV
| With Sales Charge
Read important investment disclosures
CMFAX
Bloomberg U.S. Mortgage Backed Securities Index
ANNUAL RETURNS CHART

Quarter-End Returns as of 9/30/23

Internal Prompt

Volatility & Return

Read important investment disclosures

Fixed-Income

For Class 529-A Shares, this chart tracks the 10-year standard deviation
and 10-year annualized return of the fixed income funds
CMFAX
Bloomberg U.S. Mortgage Backed Securities Index
Other AF Funds
Standard Deviation as of 11/30/2023 (updated monthly) . Annualized return as of 11/30/2023 (updated monthly) .
VIEW LARGER CHART
Internal Prompt

Yield

12-month
Distribution Rates
30-day SEC Yield
Fund at NAV 3.99% N/A
Fund at MOP 3.85% 4.26%
As of 10/31/2023 (updated monthly)

Portfolio Management

Years of Experience with Fund
Years of Experience with Capital Group
Years of Experience with Investment Industry
David J. Betanzos 10 22 23
Oliver V. Edmonds 4 20
Fergus N. MacDonald 13 20 31
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(220)
3-yr. Morningstar RatingTM
(220 funds rated)
5-yr. Morningstar RatingTM
(209 funds rated)
10-yr. Morningstar RatingTM
(169 funds rated)
Overall Morningstar Risk Average
HIGH
LOW
Category
Intermediate Government
ADVANTAGES AND DISADVANTAGES OF MORNINGSTAR RATINGS
Ratings are based on risk-adjusted returns as of 11/30/2023 (updated monthly).

Risk Measures

Fund
Standard Deviation
4.11
Sharpe Ratio
-0.08
For the 10 Years ending 11/30/23 (updated monthly).
American Funds
Benchmark
Morningstar
Benchmark
Bloomberg U.S. Mortgage Backed Securities Index
Bloomberg US Agg Bond TR USD
R-squared
94 86
Beta
0.91 0.83
Capture Ratio (Downside/Upside)
92/92 73/71
American Funds Benchmark for the 10 Years ending 9/30/23 (updated quarterly).
Morningstar Benchmark for the 10 Years ending 11/30/23 (updated monthly).
U.S. Treasuries/Agencies
2.4%
AAA/Aaa
93.2%
AA/Aa
0.5%
Unrated
0.2%
Cash & equivalents
3.5%
% of net assets as of 10/31/2023 (updated monthly)

Average Life Breakdown

0-4.9 Years
6.6%
5-9.9 Years
73.7%
10-19.9 Years
15.7%
20-29.9 Years
0.1%
30+ Years
--
% of net assets as of 9/30/2023 (updated quarterly)

Holdings

Bonds Breakdown

Bond Details

Total bond holdings
U.S. Treasury bonds & notes 3.0%
Federal agency bonds & notes 2.2%
Asset-backed obligations 1.4%

% of net assets as of 9/30/2023 (updated quarterly)

Top Fixed-Income Issuers

UMBS
30.3%
Fannie Mae
25.5%
Federal Home Loan Mortgage
25.2%
Ginnie Mae II
6.7%
U.S. Treasury
3.0%

% of net assets as of 9/30/2023 (updated quarterly)

Prices & Distributions

Internal Prompt

Historical Prices Month-End

2023

Historical Prices Year-End

Internal Prompt

Historical Distributions as of 12/08/23

FIND HISTORICAL DISTRIBUTIONS
2023
Record
Date		 Calculated
Date		 Pay Date
Income Dividend Regular
Income Dividend Special
Cap. Gains Long-Term
Cap. Gains Short-Term
Reinvest NAV
Daily 01/31/23 02/01/23 $0.0239115 $0.00 $0.00 $0.00 $9.21
Daily 02/28/23 03/01/23 $0.0217475 $0.00 $0.00 $0.00 $8.94
Daily 03/31/23 04/03/23 $0.0301611 $0.00 $0.00 $0.00 $9.15
Daily 04/28/23 05/01/23 $0.0278691 $0.00 $0.00 $0.00 $9.15
Daily 05/31/23 06/01/23 $0.0299835 $0.00 $0.00 $0.00 $9.02
Daily 06/30/23 07/03/23 $0.0307368 $0.00 $0.00 $0.00 $8.89
Daily 07/31/23 08/01/23 $0.0293429 $0.00 $0.00 $0.00 $8.84
Daily 08/31/23 09/01/23 $0.0308993 $0.00 $0.00 $0.00 $8.75
Daily 09/29/23 10/02/23 $0.0296766 $0.00 $0.00 $0.00 $8.48
Daily 10/31/23 11/01/23 $0.0308089 $0.00 $0.00 $0.00 $8.29
Daily 11/30/23 12/01/23 $0.0302484 $0.00 $0.00 $0.00 $8.66
2023 Year-to-Date: Dividends Subtotal: $0.31538543 Cap Gains Subtotal: $0.00
Total Distributions: $0.31538543

Fees & Expenses

Internal Prompt

Fees

Annual Management Fees 0.24%
Other Expenses 0.27%
Service 12b-1 0.23%
As of each fund's most recent prospectus.
Internal Prompt

Expense Ratio

Gross Net
CMFAX 0.74% 0.72%
Lipper Intermediate U.S. Government Funds Average
0.74%
Fund as of most recent prospectus. Lipper Category as of 9/30/23 (updated quarterly).

Resources

Prospectuses & Reports for CMFAX