Calamos Total Return Bond Fund (CTRAX)

Overview

Through its multi-sector fixed income strategy, the fund invests predominantly in U.S. issuers with the goal of generating a high level of both current income and total return that provides consistent excess returns above the benchmark over full market cycles.

Key Features

  • Employs bond-by-bond portfolio construction with a focus on being well compensated for risks taken. We believe a disciplined process, grounded in fundamental research, enables us to achieve higher total returns with less volatility.
  • Draws on a broader investable universe to enhance portfolio construction and risk management. Expanding the universe to include high yield bonds, bank loans and preferreds provides additional opportunities.
  • Utilizes robust, independent credit research. Our fixed income investment process unites quantitative and qualitative analyses into historical and forward-looking models. The result is a credit rating reflective of where a company is heading.
  • Applies a macro overlay to capitalize on misunderstood industries and sectors. The overlay acts as a risk control that also considers the business cycle, geopolitical factors, inflation and real rate expectations.

Portfolio Fit

The fund may be suitable for investors as the cornerstone of a fixed income allocation, with investments diversified across the major sectors of the U.S. bond market. Complementary allocations to specialized fixed income strategies seek to enhance return potential and better manage risk.

Important Fund Information

An investment in the Fund(s) is subject to risks, and you could lose money on your investment in the Fund(s). There can be no assurance that the Fund(s) will achieve its investment objective. Your investment in the Fund(s) is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund(s) can increase during times of significant market volatility. The Fund(s) also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund's prospectus.

The principal risks of investing in the Calamos Total Return Bond Fund include: interest rate risk consisting of loss of value for income securities as interest rates rise, credit risk consisting of the risk of the borrower to miss payments, high yield risk, liquidity risk, mortgage-related and other asset-back securities risk, including extension risk and prepayment risk, U.S. Government security risk, foreign securities risk, non-U.S. Government obligation risk and portfolio selection risk. As a result of political or economic instability in foreign countries, there can be special risks associated with investing in foreign securities, including fluctuations in currency exchange rates, increased price volatility and difficulty obtaining information. In addition, emerging markets may present additional risk due to potential for greater economic and political instability in less developed countries.

Performance data quoted represents past performance, which is no guarantee of future results. Current performance may be lower or higher than the performance quoted. Please refer to Important Risk Information. The principal value and return of an investment will fluctuate so that your shares, when redeemed, may be worth more or less than their original cost. Performance reflected at NAV does not include the Fund's maximum front-end sales load of 2.25%. Had it been included, the Fund's return would have been lower.

The funds' gross expense ratios as of the prospectus dated 3/1/2019 are as follows: A Shares 1.05%, C Shares 1.80% and I Shares 0.80%.

NOT FDIC INSURED | NO BANK GUARANTEE | MAY LOSE VALUE

Before investing, carefully consider the fund's investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-800-582-6959. Read it carefully before investing.

Fund Details
As of 11/19/19
Inception Date: 6/27/07
Current NAV: $10.50
$ Change: $0.01
% Change: 0.10%
Total Net Assets (As of 9/30/19): $60.8 M
Morningstar Category: Intermediate Core-Plus Bond

Zephyr Analysis

Zephyr Analysis

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Resources

Calendar Year Total Returns

As of 9/30/19
Date Calamos Total Return Bond Fund (NAV) Calamos Total Return Bond Fund Load-Adjusted Bloomberg Barclays U.S. Aggregate Bond Index
YTD 2019 8.87 6.39 8.52
2018 -1.35 -3.6 0.01
2017 2.96 -0.9 3.54
2016 3.3 -0.6 2.65
2015 1.16 -2.64 0.55
2014 3.74 -0.15 5.97
2013 0.18 -3.57 -2.02
2012 4.04 0.1 4.22
2011 3.39 -0.53 7.84
2010 5.92 1.94 6.54
2009 8.17 4.1 5.93
2008 5.85 1.9 5.24
2007* 6 2.02 0

Annualized Total Returns

As of 9/30/19
TimeFrame Calamos Total Return Bond Fund (NAV) Calamos Total Return Bond Fund Load-Adjusted Bloomberg Barclays U.S. Aggregate Bond Index
6 Month 4.95 2.62 5.42
1 Year 9.22 6.74 10.3
3 Year 2.57 1.28 2.92
5 Year 3.13 2.35 3.38
10 Year 3.22 2.83 3.75
Since Inception 4.22 3.9 4.45

Important Fund Information

An investment in the Fund(s) is subject to risks, and you could lose money on your investment in the Fund(s). There can be no assurance that the Fund(s) will achieve its investment objective. Your investment in the Fund(s) is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund(s) can increase during times of significant market volatility. The Fund(s) also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund's prospectus.

The principal risks of investing in the Calamos Total Return Bond Fund include: interest rate risk consisting of loss of value for income securities as interest rates rise, credit risk consisting of the risk of the borrower to miss payments, high yield risk, liquidity risk, mortgage-related and other asset-back securities risk, including extension risk and prepayment risk, U.S. Government security risk, foreign securities risk, non-U.S. Government obligation risk and portfolio selection risk. As a result of political or economic instability in foreign countries, there can be special risks associated with investing in foreign securities, including fluctuations in currency exchange rates, increased price volatility and difficulty obtaining information. In addition, emerging markets may present additional risk due to potential for greater economic and political instability in less developed countries.

Performance data quoted represents past performance, which is no guarantee of future results. Current performance may be lower or higher than the performance quoted. Please refer to Important Risk Information. The principal value and return of an investment will fluctuate so that your shares, when redeemed, may be worth more or less than their original cost. Performance reflected at NAV does not include the Fund's maximum front-end sales load of 2.25%. Had it been included, the Fund's return would have been lower.

Bloomberg Barclays US Aggregate Bond Index is a broad-based flagship benchmark that measures the investment grade, US dollar-denominated, fixed-rate taxable bond market. The index includes Treasuries, government related and corporate securities, MBS (agency fixed-rate and hybrid ARM pass-throughs), ABS and CMBS (agency and non-agency).

Unmanaged index returns assume reinvestment of any and all distributions and, unlike fund returns, do not reflect fees, expenses or sales charges. Investors cannot invest directly in an index.

Average annual total return measures net investment income and capital gain or loss from portfolio investments as an annualized average. All performance shown assumes reinvestment of dividends and capital gains distributions.

The funds' gross expense ratios as of the prospectus dated 3/1/2019 are as follows: A Shares 1.05%, C Shares 1.80% and I Shares 0.80%.

NOT FDIC INSURED | NO BANK GUARANTEE | MAY LOSE VALUE

Before investing, carefully consider the fund's investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-800-582-6959. Read it carefully before investing.

Fund Facts

As of 9/30/19
Name Fund Bloomberg Barclays U.S. Aggregate Bond Index
Number of Holdings 185 10,763
Average Effective Duration 5.7 years 5.7 years
Average Effective Maturity 7.79 years 7.87 years
Option Adjusted Spread 84 bps 46 bps
Portfolio Turnover (12 months) 59.1% N/A
Net Assets $60.8 M N/A

Top Country Exposures

As of 9/30/19
Country %
United States 91.2%
Canada 1.4%
United Kingdom 0.8%
Germany 0.7%
Japan 0.5%
Ireland 0.4%
Israel 0.4%
Bermuda 0.4%
Netherlands 0.4%
Australia 0.3%

Quality Allocation

As of 9/30/19
Class %
AAA 35.1%
AA 2.3%
A 12.3%
BBB 19.9%
BB 7.6%
B 1.4%
CCC and below 0.0%
Unrated Securities 21.5%

Maturity Schedule

As of 9/30/19
Range %
< 1 Year 9.3%
1 to 3 Years 18.6%
3 to 5 Years 27.6%
5 to 7 Years 18.9%
7 to 10 Years 10.2%
10 to 20 Years 5.0%
> 20 Years 10.4%
Equities and Other 0.0%

Risk Statistics

As of 9/30/19
Name Fund
Annualized Standard Deviation 2.99%
Beta 0.85

Month-End Yield

As of 10/31/19
Name %
30-day SEC yield 1.59%
Distribution Yield 2.59%

Important Fund Information

An investment in the Fund(s) is subject to risks, and you could lose money on your investment in the Fund(s). There can be no assurance that the Fund(s) will achieve its investment objective. Your investment in the Fund(s) is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund(s) can increase during times of significant market volatility. The Fund(s) also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund's prospectus.

The principal risks of investing in the Calamos Total Return Bond Fund include: interest rate risk consisting of loss of value for income securities as interest rates rise, credit risk consisting of the risk of the borrower to miss payments, high yield risk, liquidity risk, mortgage-related and other asset-back securities risk, including extension risk and prepayment risk, U.S. Government security risk, foreign securities risk, non-U.S. Government obligation risk and portfolio selection risk. As a result of political or economic instability in foreign countries, there can be special risks associated with investing in foreign securities, including fluctuations in currency exchange rates, increased price volatility and difficulty obtaining information. In addition, emerging markets may present additional risk due to potential for greater economic and political instability in less developed countries.

Holdings and weightings are subject to change daily. Holdings are provided for informational purposes only and should not be deemed as a recommendation to buy or sell the securities mentioned.

Notes

Bond Credit Quality allocation reflects the higher of the ratings of Standards & Poor's Corporation or Moody's Investors Service, Inc. Ratings are relative, subjective and not absolute standards of quality, represent the opinions of the independent, Nationally Recognized Statistical Rating Organizations (NRSRO), and are adjusted to the Standards & Poor's scale shown. Ratings are measured using a scale that typically ranges from AAA (highest) to D (lowest). The security's credit rating does not eliminate risk. The table excludes equity securities, cash and cash equivalents. For more information about securities ratings, please see the Fund's Statement of Additional Information at calamos.com. Additional information on ratings methodologies are available by visiting the NRSRO websites: www.standardandpoors.com and www.moodys.com.

Top Country exposure is measured by country of risk.

Current (SEC) Yield-Reflects the dividends and interest earned by the Fund during the 30-day period ended as of the date stated above after deducting the Fund's expenses for that same period.

Distribution Yield -Is calculated by dividing the sum of all distributions paid by the fund over the trailing 12 months by the fund's NAV as of the date of the period presented. Distributions may include income, short-term capital gains, and long-term capital gains. Short-term and long-term capital gains represent the net trading profits realized over the trailing 12 months in the fund and are not guaranteed. Distribution Yield is based on distributions made in the past and is therefore not reflective of the fund's current portfolio.

Duration- provides a measure of the Fund's interest rate sensitivity-the longer a fund's duration, the more sensitive it is to shifts in interest rates

Option adjusted spread is the yield spread which has to be added to a benchmark yield curve to discount a security's payments to match its market price; uses a dynamic pricing model that accounts for embedded options and is usually measured in basis points.

Turnover-Is the percentage of assets in a portfolio that changed over a certain period, often a year; higher turnover indicates greater buying and selling activity.

Yield-to-worst is the lowest potential yield that can be received on a bond without the issuer defaulting.

Bloomberg Barclays US Aggregate Bond Index is a broad-based flagship benchmark that measures the investment grade, US dollar-denominated, fixed-rate taxable bond market. The index includes Treasuries, government related and corporate securities, MBS (agency fixed-rate and hybrid ARM pass-throughs), ABS and CMBS (agency and non-agency).

NOT FDIC INSURED | NO BANK GUARANTEE | MAY LOSE VALUE

Before investing, carefully consider the fund's investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-800-582-6959. Read it carefully before investing.

Total Capital Gains

Year Capital Gains
2012 0.0488
2013 0.0441
2014 0.1216
2015 0.1335
2016 0.0089
2017 0.0524
2018 0.0000

Schedule

Name Frequency
Distributions MONTHLY
Capital Gains ANNUAL

Distributions

Frequency Income Total Reinvest
October 2019 $0.0179 $0.0179 10.53000
September 2019 $0.0235 $0.0235 10.53000
August 2019 $0.0214 $0.0214 10.61000
July 2019 $0.0227 $0.0227 10.39000
June 2019 $0.0243 $0.0243 10.38000
May 2019 $0.0244 $0.0244 10.29000
April 2019 $0.0239 $0.0239 10.16000
March 2019 $0.0232 $0.0232 10.17000
February 2019 $0.0227 $0.0227 10.01000
January 2019 $0.0223 $0.0223 10.00000
December 2018 $0.0236 $0.0236 9.87000
November 2018 $0.0229 $0.0229 9.80000
October 2018 $0.0247 $0.0247 9.81000
September 2018 $0.0220 $0.0220 9.91000
August 2018 $0.0223 $0.0223 9.99000
July 2018 $0.0210 $0.0210 9.94000
June 2018 $0.0240 $0.0240 9.95000
May 2018 $0.0210 $0.0210 9.98000
April 2018 $0.0223 $0.0223 9.95000
March 2018 $0.0202 $0.0202 10.04000
February 2018 $0.0185 $0.0185 10.03000
January 2018 $0.0181 $0.0181 10.14000
December 2017 $0.0617 $0.0617 10.27000
November 2017 $0.0175 $0.0175 10.35000
October 2017 $0.0171 $0.0171 10.39000
September 2017 $0.0175 $0.0175 10.41000
August 2017 $0.0181 $0.0181 10.49000
July 2017 $0.0178 $0.0178 10.42000
June 2017 $0.0174 $0.0174 10.39000
May 2017 $0.0174 $0.0174 10.42000
April 2017 $0.0180 $0.0180 10.38000
March 2017 $0.0187 $0.0187 10.31000
February 2017 $0.0196 $0.0196 10.34000
January 2017 $0.0191 $0.0191 10.28000
December 2016 $0.0356 $0.0356 10.28000
November 2016 $0.0188 $0.0188 10.30000
October 2016 $0.0201 $0.0201 10.54000
September 2016 $0.0197 $0.0197 10.62000
August 2016 $0.0187 $0.0187 10.63000
July 2016 $0.0176 $0.0176 10.66000
June 2016 $0.0190 $0.0190 10.59000
May 2016 $0.0195 $0.0195 10.45000
April 2016 $0.0194 $0.0194 10.49000
March 2016 $0.0203 $0.0203 10.43000
February 2016 $0.0203 $0.0203 10.29000
January 2016 $0.0199 $0.0199 10.22000
December 2015 $0.0634 $0.0634 10.20000
November 2015 $0.0213 $0.0213 10.45000
October 2015 $0.0200 $0.0200 10.51000
September 2015 $0.0212 $0.0212 10.44000
August 2015 $0.0211 $0.0211 10.43000
July 2015 $0.0216 $0.0216 10.49000
June 2015 $0.0216 $0.0216 10.47000
May 2015 $0.0208 $0.0208 10.61000
April 2015 $0.0217 $0.0217 10.64000
March 2015 $0.0213 $0.0213 10.66000
February 2015 $0.0226 $0.0226 10.64000
January 2015 $0.0226 $0.0226 10.69000
December 2014 $0.0434 $0.0434 10.51000
November 2014 $0.0237 $0.0237 10.72000
October 2014 $0.0230 $0.0230 10.70000
September 2014 $0.0238 $0.0238 10.62000
August 2014 $0.0223 $0.0223 10.75000
July 2014 $0.0220 $0.0220 10.67000
June 2014 $0.0219 $0.0219 10.74000
May 2014 $0.0214 $0.0214 10.75000
April 2014 $0.0223 $0.0223 10.68000
March 2014 $0.0226 $0.0226 10.62000
February 2014 $0.0218 $0.0218 10.67000
January 2014 $0.0214 $0.0214 10.60000
December 2013 $0.2905 $0.2905 10.53000
November 2013 $0.0211 $0.0211 10.88000
October 2013 $0.0180 $0.0180 10.89000
September 2013 $0.0178 $0.0178 10.81000
August 2013 $0.0199 $0.0199 10.75000
July 2013 $0.0178 $0.0178 10.82000
June 2013 $0.0178 $0.0178 10.78000
May 2013 $0.0171 $0.0171 10.94000
April 2013 $0.0178 $0.0178 11.05000
March 2013 $0.0175 $0.0175 10.99000
February 2013 $0.0188 $0.0188 10.98000
January 2013 $0.0211 $0.0211 11.01000
December 2012 $0.0614 $0.0614 11.05000
November 2012 $0.0171 $0.0171 11.14000
November 2012 $0.0185 $0.0185 11.15000
September 2012 $0.0174 $0.0174 11.16000
August 2012 $0.0172 $0.0172 11.12000
July 2012 $0.0204 $0.0204 11.08000
June 2012 $0.0176 $0.0176 11.00000
May 2012 $0.0177 $0.0177 10.95000
April 2012 $0.0175 $0.0175 11.07000
March 2012 $0.0179 $0.0179 11.04000
February 2012 $0.0178 $0.0178 11.10000
January 2012 $0.0186 $0.0186 11.04000
December 2011 $0.1162 $0.1162 10.92000
November 2011 $0.0187 $0.0187 11.04000
October 2011 $0.0188 $0.0188 11.14000
September 2011 $0.0183 $0.0183 10.97000
August 2011 $0.0179 $0.0179 11.24000
July 2011 $0.0185 $0.0185 11.27000
June 2011 $0.0225 $0.0225 11.14000
May 2011 $0.0194 $0.0194 11.19000
April 2011 $0.0203 $0.0203 11.17000
March 2011 $0.0220 $0.0220 11.00000
February 2011 $0.0234 $0.0234 11.00000
January 2011 $0.0238 $0.0238 10.95000
December 2010 $0.0508 $0.0508 10.93000
November 2010 $0.0265 $0.0265 11.07000
October 2010 $0.0252 $0.0252 11.23000
September 2010 $0.0256 $0.0256 11.18000
August 2010 $0.0253 $0.0253 11.03000
July 2010 $0.0281 $0.0281 11.01000
June 2010 $0.0257 $0.0257 10.82000
May 2010 $0.0261 $0.0261 10.77000
April 2010 $0.0270 $0.0270 10.89000
March 2010 $0.0268 $0.0268 10.82000
February 2010 $0.0267 $0.0267 10.84000
January 2010 $0.0296 $0.0296 10.83000
December 2009 $0.2922 $0.2922 10.74000
November 2009 $0.0273 $0.0273 11.18000
October 2009 $0.0276 $0.0276 11.06000
September 2009 $0.0282 $0.0282 11.05000
August 2009 $0.0297 $0.0297 10.97000
July 2009 $0.0311 $0.0311 10.90000
June 2009 $0.0319 $0.0319 10.67000
May 2009 $0.0263 $0.0263 10.62000
April 2009 $0.0266 $0.0266 10.58000
March 2009 $0.0258 $0.0258 10.51000
February 2009 $0.0301 $0.0301 10.39000
January 2009 $0.0287 $0.0287 10.50000
December 2008 $0.0938 $0.0938 10.50000
November 2008 $0.0343 $0.0343 10.16000
October 2008 $0.0299 $0.0299 9.82000
September 2008 $0.0278 $0.0278 10.07000
August 2008 $0.0269 $0.0269 10.22000
July 2008 $0.0260 $0.0260 10.17000
June 2008 $0.0261 $0.0261 10.19000
May 2008 $0.0256 $0.0256 10.26000
April 2008 $0.0240 $0.0240 10.41000
March 2008 $0.0277 $0.0277 10.49000
February 2008 $0.0253 $0.0253 10.49000
January 2008 $0.0311 $0.0311 10.44000
December 2007 $0.0392 $0.0392 10.31000
November 2007 $0.0977 $0.0977 10.32000
October 2007 $0.0394 $0.0394 10.25000
September 2007 $0.0312 $0.0312 10.20000
August 2007 $0.0351 $0.0351 10.12000
July 2007 $0.0373 $0.0373 10.03000
June 2007 $0.0049 $0.0049 10.01000

Important Fund Information

An investment in the Fund(s) is subject to risks, and you could lose money on your investment in the Fund(s). There can be no assurance that the Fund(s) will achieve its investment objective. Your investment in the Fund(s) is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund(s) can increase during times of significant market volatility. The Fund(s) also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund's prospectus.

The principal risks of investing in the Calamos Total Return Bond Fund include: interest rate risk consisting of loss of value for income securities as interest rates rise, credit risk consisting of the risk of the borrower to miss payments, high yield risk, liquidity risk, mortgage-related and other asset-back securities risk, including extension risk and prepayment risk, U.S. Government security risk, foreign securities risk, non-U.S. Government obligation risk and portfolio selection risk. As a result of political or economic instability in foreign countries, there can be special risks associated with investing in foreign securities, including fluctuations in currency exchange rates, increased price volatility and difficulty obtaining information. In addition, emerging markets may present additional risk due to potential for greater economic and political instability in less developed countries.

Performance data quoted represents past performance, which is no guarantee of future results. Current performance may be lower or higher than the performance quoted. Please refer to Important Risk Information. The principal value and return of an investment will fluctuate so that your shares, when redeemed, may be worth more or less than their original cost. Performance reflected at NAV does not include the Fund's maximum front-end sales load of 2.25%. Had it been included, the Fund's return would have been lower.

The funds' gross expense ratios as of the prospectus dated 3/1/2019 are as follows: A Shares 1.05%, C Shares 1.80% and I Shares 0.80%.

NOT FDIC INSURED | NO BANK GUARANTEE | MAY LOSE VALUE

Before investing, carefully consider the fund's investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-800-582-6959. Read it carefully before investing.

Annual Expenses

Name A Shares C Shares I Shares
Gross Expense Ratio 1.05% 1.80% 0.80%
Net Expense Ratio 0.90% 1.65% 0.65%

Investment Information

Name A Shares C Shares I Shares
Minimum initial investment $2500 $2500 $1 million
Minimum subsequent investments $50 $50 $0
IRA initial investments $500 $500 N/A

Fund Information

Name A Shares C Shares I Shares
Inception Date 6/27/07 6/27/07 6/27/07
Ticker Symbol CTRAX CTRCX CTRIX
CUSIP number 128119310 128119286 128119278

Sales & Distribution

Name A Shares C Shares I Shares
Sales Load Front-End Level-Load N/A
Maximum Sales Charge 2.25 1.00 N/A
US Bank Fund Number 1929 1931 1932
Dividends MONTHLY MONTHLY MONTHLY
Capital Gains ANNUAL ANNUAL ANNUAL

An investment in the Fund(s) is subject to risks, and you could lose money on your investment in the Fund(s). There can be no assurance that the Fund(s) will achieve its investment objective. Your investment in the Fund(s) is not a deposit in a bank and is not insured or guaranteed by the Federal Deposit Insurance Corporation (FDIC) or any other government agency. The risks associated with an investment in the Fund(s) can increase during times of significant market volatility. The Fund(s) also has specific principal risks, which are described below. More detailed information regarding these risks can be found in the Fund's prospectus.

The principal risks of investing in the Calamos Total Return Bond Fund include: interest rate risk consisting of loss of value for income securities as interest rates rise, credit risk consisting of the risk of the borrower to miss payments, high yield risk, liquidity risk, mortgage-related and other asset-back securities risk, including extension risk and prepayment risk, U.S. Government security risk, foreign securities risk, non-U.S. Government obligation risk and portfolio selection risk. As a result of political or economic instability in foreign countries, there can be special risks associated with investing in foreign securities, including fluctuations in currency exchange rates, increased price volatility and difficulty obtaining information. In addition, emerging markets may present additional risk due to potential for greater economic and political instability in less developed countries.

CUSIP identifiers have been provided by CUSIP Global Services, managed on behalf of the American Bankers Association by S&P Global Market Intelligence LLC, and are not for use or dissemination in a manner that would serve as a substitute for any CUSIP service. The CUSIP Database, © 2011 American Bankers Association. "CUSIP" is a registered trademark of the American Bankers Association.

The Fund's investment advisor has contractually agreed to reimburse Fund expenses through March 1, 2022 to the extent necessary so that Total Annual Fund Operating Expenses (excluding taxes, interest, short interest, short dividend expenses, brokerage commissions, acquired fund fees and expenses, and extraordinary expenses, if any) of Class A, Class C, and Class I are limited to 0.90%, 1.65%, and 0.65% of average net assets, respectively. Calamos Advisors may recapture previously waived expense amounts within the same fiscal year for any day where the respective Fund's expense ratio falls below the contractual expense limit up to the expense limit for that day. This undertaking is binding on Calamos Advisors and any of its successors and assigns. This agreement is not terminable by either party.

NOT FDIC INSURED | NO BANK GUARANTEE | MAY LOSE VALUE

Before investing, carefully consider the fund's investment objectives, risks, charges and expenses. Please see the prospectus and summary prospectus containing this and other information which can be obtained by calling 1-800-582-6959. Read it carefully before investing.

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The Credit Market Is Sending Mixed Signals

A recession isn’t imminent, but some measures in credit markets point to building pressure in the economy. Associate Portfolio Manager Christian Brobst discusses credit conditions and the mixed signals our fixed income team sees today.

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Calamos Total Return Bond Fund Quarterly Commentary

A quarterly update of the Calamos Total Return Bond Fund’s performance, positioning, related market commentary and outlook.

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Calamos Total Return Bond Fund Fact Sheet

The Total Return Bond Fund fact sheet provides a snap shot of the investment team, the fund strategy, performance, composition, ratings and returns.

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Calamos Total Return Bond Fund Brochure

The Total Return Bond Fund brochure provides the fund overview, investment philosophy and investment management team.

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Calamos Fixed Income Credit Analysis Process

Credit analysis is the foundation of our fixed income investment process. We provide an overview of how our team of dedicated credit analysts evaluate a company’s ability to meet its debt obligations utilizing rigorous bottom-up fundamental analysis informed by macroeconomic insights.

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Measuring Yield

When comparing bond mutual funds, investors may find themselves confronted by an array of yield metrics. Here, we will look at some of the most common metrics for bond yields and explain what they represent. Then, we will take a look at some additional metrics that apply to bond portfolios.

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Calamos Total Return Bond Fund Prospectus

This summary contains important information about the Total Return Bond Fund investment objective, fees and expenses, principal investment strategies, principal risks and performance.

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Statutory Prospectus

You should read the accompanying prospectus and any accompanying prospectus supplement, which contain important information, before deciding whether to invest in our securities.

calamos-mutual-fund-sai.pdf
SAI

The statement of additional information is a supplementary document to the fund’s prospectus and contains additional information about the fund and includes further disclosure regarding its operations.

calamos-mutual-funds-semi-annual-report.pdf
Semi-Annual Report

The semi-annual report includes a letter from John P. Calamos, Sr. to shareholders and provides a comprehensive review of the fund’s activities and financial performance over a six month period.

calamos-mutual-funds-annual-report.pdf
Annual Report

The annual report includes a letter from John P. Calamos, Sr. to shareholders outlining the fund's performance, as well as a comprehensive review of the fund’s activities and financial performance.