Quarterly Fund Fact Sheet

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Lipper Award 2008
The Fund (class I) was awarded the 2008 Lipper Fund Award for Consistent Return, among 510 Mixed-Asset Target Allocation Growth funds for the three-year period ended 12/31/07. The Fund did not win the most recent award.
Thornburg Investment Income Builder Fund

 

Overview

Lipper Leader for Total Return and Consistent ReturnInvestment Strategy
The Fund invests in companies (both in the U.S. and abroad) with histories of paying dividends and showing the capacity to increase them. To provide additional income, the Fund may invest in debt obligations of any kind.

Fund Objective
The Fund’s primary investment goal is to provide a level of current income which exceeds the average yield on U.S. stocks generally, and which will generally grow, subject to periodic fluctuations, over the years on a per share basis. The Fund’s secondary investment goal is long-term capital appreciation.

There is no guarantee that the Fund will meet its objectives.

"At Thornburg we believe there are fundamental truths about the value of dividends as a component of building wealth" read the current Dividend Report to learn more.

Learn more about the importance of dividends and the Thornburg Investment Income Builder Fund.
Read the Fund Brochure View the Fund video

Fact Sheet (PDF)
Holdings Commentary
Portfolio Manager Market Commentary

Fund Facts
Share
Class
Symbol
Daily Prices
as of 9/3/10
NAV Change($)
Fund
Numbers
CUSIPInception Date

A TIBAX
17.96 ↑ 0.10
161 885-215-558 12/24/02
C TIBCX
17.96 ↑ 0.10
661 885-215-541 12/24/02

  Net Assets as of 7/31/10: $5.333 B
  Capital Gains Paid Annually: No 2009 Capital Gains Paid
  Benchmarks: S&P 500 Index, Blended Index
 

Lipper ratings for Total Return reflect funds’ historical total return performance relative to peers. Lipper ratings for Consistent Return reflect funds’ historical risk-adjusted returns, adjusted for volatility, relative to peers. The ratings are subject to change every month and are based on an equal-weighted average of percentile ranks for the Total Return or Consistent Return metrics over three-, five-, and ten-year periods (if applicable). The highest 20% of funds in each peer group are named Lipper Leader or a score of 5 for Total Return or Consistent Return, the next 20% receive a score of 4, the middle 20% are scored 3, the next 20% are scored 2, and the lowest 20% are scored 1. Lipper Leader ratings are not intended to predict future results, and Lipper does not guarantee the accuracy of this information. More information is available at www.lipperweb.com. Lipper Leader Copyright 2010, Reuters, All Rights Reserved.

The Fund rated a 5 for Total Return for the 3-, and 5-year periods among 512, and 421 funds respectively. The Fund rated a 5 for Consistent Return for the 3- and 5-year periods among 499, and 415 funds respectively.

Performance and Expenses

Average Annualized Total Returns
Important Information: Performance data shown represents past performance and is no guarantee of future results. Investment return and principal value will fluctuate so shares, when redeemed, may be worth more or less than their original cost. Current performance may be lower or higher than quoted.

Month Ended - 8/31/10

Without sales charge 11.27 % -1.18 % 6.67 % 11.10 %
With sales charge 6.27 % -2.69 % 5.69 % 10.44 %
Without sales charge 10.57 % -1.80 % 6.02 % 10.52 %
With sales charge 9.57 % -1.80 % 6.02 % 10.52 %
S&P 500 Index 4.91 % -8.66 % -0.91 % 4.19 %
Blended Index** 3.71 % -5.08 % 1.81 % 6.18 %

Quarter Ended - 6/30/10

Without sales charge 16.82 % -2.84 % 5.98 % 10.58 %
With sales charge 11.57 % -4.32 % 5.01 % 9.90 %
Without sales charge 16.02 % -3.45 % 5.35 % 9.99 %
With sales charge 15.02 % -3.45 % 5.35 % 9.99 %
S&P 500 Index 14.43 % -9.81 % -0.79 % 3.99 %
Blended Index** 10.34 % -6.60 % 1.72 % 5.81 %

The maximum sales charge for the Fund's A shares is 4.50%. The Fund's A shares carry a 30-day redemption fee of 1%. C shares include a 1% contingent deferred sales charge (CDSC) for the first year only.

* Inception date for A and C Shares - 12/24/02.


Fund Operating Expenses
Gross Annual Operating Expenses (as reported in the most recent Prospectus)
1.30 %
2.08 %
Net Annual Operating Expenses (as reported in the most recent Prospectus)*
N/A
1.90 %
Actual Annualized Operating Expenses (fiscal year to date, as of 6/30/10)
1.24 %
1.90 %

*Thornburg Investment Management and Thornburg Securities Corporation have contractually agreed to waive fees and reimburse expenses through February 1, 2011 so that actual expenses do not exceed the net expense ratio, which reflects the annual operating expenses of the fund minus any fee waivers or expense reimbursements.

For more information regarding fund expenses, please see the fund prospectus.


Hypothetical Growth of $10,000 as of 6/30/10
(Thornburg Investment Income Builder Fund vs. Blended Index and S&P 500 Index)

Hypothetical Growth of $10,000 chart

† The Hypothetical Growth of $10,000 graph compares a hypothetical $10,000 investment in the Fund to the performance of the Index for the stated time period. Returns reflect reinvestment of dividends and capital gains, if any, as well as all fees and expenses.


Quarterly Dividends per Share
  A Shares C Shares

2010
Q2 (6/25/10) $0.25000 $0.22063
Q1 (3/26/10) $0.19750 $0.16906

2009
Q4 (12/24/09) $0.34500 $0.31774
Q3 (9/25/09) $0.28000 $0.25368
Q2 (6/26/09) $0.24200 $0.22087
Q1 (3/26/09) $0.18000 $0.16407

2008
Q4 (12/26/08) $0.3680 $0.34814
Q3 (9/26/08) $0.2600 $0.2307
Q2 (6/26/08)
$0.2175
$0.1846
Q1 (3/26/08) $0.1785 $0.14461

2007
Q4 (12/26/07) $0.36800 $0.32985
Q3 (9/26/07) $0.2150 $0.18076
Q2 (6/26/07)
$0.1850
$0.15105
Q1 (3/26/07) $0.1420 $0.1119

2006    
Q4 (12/26/06) $0.3300 $0.3016
Q3 (9/27/06) $0.192 $0.1653
Q2 (6/28/06) $0.160 $0.13527
Q1 (3/31/06) $0.125 $0.1023

2005    
Q4 (12/31/05) $0.290 $0.26841
Q3 (9/30/05) $0.174 $0.1562
Q2 (6/30/05) $0.136 $0.1169
Q1 (3/31/05) $0.110 $0.0911

2004    
Q4 (12/31/04) $0.218 $0.2024
Q3 (9/30/04) $0.150 $0.136
Q2 (6/30/04) $0.125 $0.109
Q1 (3/31/04) $0.102 $0.084

2003    
Q4 (12/31/03) $0.175 $0.159
Q3 (9/30/03) $0.124 $0.104
Q2 (6/30/03) $0.112 $0.095
Q1 (3/31/03) $0.092 $0.083
30-day SEC Yield
with sales charge as of 6/30/10
A Shares: 5.14%
C Shares: 4.72%

Without the fee waivers and expense reimbursements described above, the 30-day SEC yield would have been 4.58% for the C shares.


The SEC Yield is computed in accordance with SEC standards measuring the net investment income per share over a specified 30-day period expressed as a percentage of the maximum offering price of the Fund’s shares at the end of the period.

The performance of any index is not indicative of the performance of any particular investment. Unless otherwise noted, index returns reflect the reinvestment of income dividends and capital gains, if any, but do not reflect fees, brokerage commissions or other expenses of investing. Investors may not make direct investments into any index.

Attributes and Holdings

Top Ten Industries - 7/31/10
Telecom 22.9% Utilities 8.2%
Energy 9.7% Food, Bev. & Tobacco 7.0%
Diversified Financials 9.5% Semiconductors 5.2%
Real Estate 9.3% Consumer Services 4.7%
Banks 9.0% Software & Services 4.2%
Morningstar®
Morningstar Rating™: 3 Star
Overall Morningstar Rating among 166 World Allocation funds, based on risk-adjusted returns for Class A Shares uses a weighted average of the fund's three- and five-year ratings: respectively, three stars, and three stars among 166 and 108 funds, as of 7/31/101.
Top Ten Positions - 7/31/10
Security Symbol % of Portfolio

Telstra Corp. Ltd. TLS AU 3.0%
France Telecom SA FTE FP 2.5%
Enel S.p.A. ENEL IM 2.4%
Eni SpA ENI IM 2.3%
Total SA FP FP 2.2%
Koninklijke KPN N.V. KPN NA 2.1%
Philip Morris PM W 2.1%
Vodafone Group plc VOD LN 2.1%
McDonald's Corp. MCD 1.9%
Huntington Bancshares Pfd HBAN 1.8%
Portfolio holdings are subject to change.
Top Five Bond Holdings - 7/31/10
Security % of Portfolio

Swiss Re Capital I, LP 2.4%
KKR Financial Holdings LLC 1.3%
iShares High Yield Corporate Bond 1.0%
Southern Cross Air Corp. (AUD) 0.9%
Enel Finance International S.A. 0.8%

Investment Income Builder Fund Holdings
Investment Income Builder Fund Holdings Commentary

Key Portfolio Attributes - 7/31/10
Equity Statistics

Equity Holdings 72
Portfolio PE*
(trailing 12 months)
9.3x
Median Market Capitalization* $5.8 B
7-Year Beta
(Thornburg vs. S&P 500)
0.81
7-Year Beta
(Thornburg vs. Blended Index)
1.03
*Source: FactSet
Bond Statistics

Number of Bonds 206
Avg Maturity 13.2 yrs.
Duration 4.5 yrs.

 

Stock Categories - 7/31/10 Credit Quality Breakdown -6/30/10
Domestic Equity30.8%
Foreign Equity36.2%
Domestic Corp Bonds22.7%
Domestic Other Bonds1.1%
Foreign Bonds6.8%
Cash2.4%
 
AAA0.7%
AA0.8%
A9.6%
BBB48.2%
BB22.4%
B7.5%
CCC2.0%
C0.2%
NR8.7%

Capitalization Exposure - 7/31/10
Large62.9%
Mid21.0%
Small16.1%
Small Cap (<$2.5 bn.)
Mid Cap ($2.5 to $12 bn.)
Large Cap (> $12 bn.)

(The percentages may not add up to 100% due to rounding.)

The Average P/E Ratio is a position-weighted average which describes the relationship between the price of a portfolio’s various stocks and their earnings per share.

Beta is a measurement of the fund's market-related risk. The higher the Beta the more the fund's price is expected to change in relation to a chosen index.

1 To determine a fund’s Morningstar Rating™, funds with at least a three-year history are ranked in their categories by their Morningstar Risk-Adjusted Return scores. The top 10% receive 5 stars; the next 22.5%, 4 stars; the middle 35%, 3 stars; the next 22.5%, 2 stars; and the bottom 10% receive 1 star. The Risk-Adjusted Return accounts for variation in a fund’s performance (including the effects of all sales charges), placing more emphasis on downward variations and rewarding consistent performance. Other share classes may have different performance characteristics. © 2010 Morningstar, Inc. All Rights Reserved. The information contained herein: (1) is proprietary to Morningstar and/or its content providers; (2) may not be copied or distributed; and (3) is not warranted to be accurate, complete or timely. Neither Morningstar nor its content providers are responsible for any damages or losses arising from any use of this information.

A bond credit rating assesses the financial ability of a debt issuer to make timely payments of principal and interest. Ratings of AAA (the highest), AA, A, and BBB are investment-grade quality. Ratings of BB, B, CCC, CC, C and D (the lowest) are considered below investment grade, speculative grade, or junk bonds. We have used ratings from Moody’s Investors Service. Where Moody’s ratings are not available, we have used Standard & Poor’s ratings. “NR” = not rated.

Management

Portfolio Management Team

Investment Income Builder Portfolio Managers

For biographies on the portfolio managers, click on their photo above.

Read Current Portfolio Manager Market Commentary

Cliff Remily Jason Brady Brian McMahon
Important Information

Investments in the Fund carry risks, including possible loss of principal. Special risks may be associated with investments outside the United States, especially in emerging markets, including currency fluctuations, illiquidity and volatility. Investments in small capitalization companies may increase the risk of greater price fluctuations. Funds investing in bonds have the same interest rate, inflation, and credit risks that are associated with the underlying bonds. The principal value of bonds will fluctuate relative to changes in interest rates, decreasing when interest rates rise. Investments in the Fund are not FDIC insured, nor are they deposits of or guaranteed by a bank or any other entity.

There is no guarantee that the Fund will meet its investment objectives.

Before investing, carefully consider the Fund’s investment goals, risks, charges, and expenses. For a prospectus containing this and other information, contact your financial advisor or visit our literature library. Read it carefully before investing.

Lipper Fund Awards are granted annually to the fund in each Lipper classification that consistently delivered the strongest risk-adjusted performance (calculated with dividends reinvested and without sales charges). Awards are given for three-year, five-year, and ten-year periods. The fund did not win the award for other time periods. Past performance does not guarantee future results.

The S&P 500 Index, an unmanaged broad measure of the U.S. stock market, does not reflect sales charges.

**The Blended Index is composed of 25% Barclays Capital Aggregate Bond Index and 75% MSCI World Index. The Barclays Capital Aggregate Bond Index is composed of approximately 8,000 publicly traded bonds including U.S. government, mortgage-backed, corporate and Yankee bonds. The index is weighted by the market value of the bonds included in the index. The MSCI World Index is an unmanaged market-weighted index that consists of securities traded in 24 of the world’s most developed countries. Securities are listed on exchanges in the U.S., Europe, Canada, Australia, New Zealand, and the Far East. The index is calculated with net dividends reinvested, in U.S. dollars.
 

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