Calamos Timpani Small Cap Growth Fund (CTSIX)

Overview

The Fund invests in the equity securities of small capitalization companies with high, sustainable growth potential, which may exceed market expectations.

Key Features

  • Combines fundamental research with the analysis of market estimates to identify the underestimated growth differential between a company's business strength and market expectations of that strength.
  • Pursues active management in a less followed investment space.
  • Analyzes secular trends to uncover exploitable investment opportunities specific to small cap companies.

Portfolio Fit

Investing in small cap companies is an important component of a diversified investment strategy. Smaller companies tend to experience greater growth and outperform larger companies.

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 Timpani Small Cap Growth Fund include: equity securities risk consisting of market prices declining in general, growth stock risk consisting of potential increased volatility due to securities trading at higher multiples, and portfolio selection risk. The Fund invests in small capitalization companies, which are often more volatile and less liquid than investments in larger companies. 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 4.75%. Had it been included, the Fund's return would have been lower.

The funds' gross expense ratios as of the prospectus dated 4/15/2019 are as follows: A Shares 1.47%, I Shares 1.22% and R6 Shares 1.12%.

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 8/23/19
Inception Date: 3/23/11
Current NAV: $23.72
$ Change: $-0.71
% Change: -2.91%
Total Net Assets (As of 6/30/19): $81.0 M
Morningstar Category: Small Growth

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Resources

Calendar Year Total Returns

As of 6/30/19
Date Calamos Timpani Small Cap Growth Fund (NAV) Russell 2000 Growth Index
YTD 2019 24.02 20.36
2018 -0.08 -9.31
2017 36.14 22.17
2016 -1.06 11.32
2015 -2.68 -1.38
2014 -0.55 5.6
2013 57.07 43.3
2012 17.91 14.59
2011* -9 0

*Reflects the fund's return from the inception date of 3/23/2011 through 12/31/2011.

Growth of 10K

As of 6/30/19
Date Calamos Timpani Small Cap Growth Fund Russell 2000 Growth Index
1/6/2014 12:00:00 AM 10000 10000
1/31/2014 12:00:00 AM 10073.4 10000
2/28/2014 12:00:00 AM 10538.23 10483.4
3/31/2014 12:00:00 AM 9969.42 10225.09
4/30/2014 12:00:00 AM 9278.29 9700.03
5/31/2014 12:00:00 AM 9149.85 9793.64
6/30/2014 12:00:00 AM 9810.4 10401.33
7/31/2014 12:00:00 AM 8917.43 9771.22
8/31/2014 12:00:00 AM 9418.96 10316.16
9/30/2014 12:00:00 AM 9051.99 9763.73
10/31/2014 12:00:00 AM 9620.8 10369.37
11/30/2014 12:00:00 AM 9767.59 10436.26
12/31/2014 12:00:00 AM 10000 10745.79
1/31/2015 12:00:00 AM 9639.15 10500.47
2/28/2015 12:00:00 AM 10733.95 11256.19
3/31/2015 12:00:00 AM 10685.02 11458.24
4/30/2015 12:00:00 AM 10391.44 11121.13
5/31/2015 12:00:00 AM 10758.41 11529.72
6/30/2015 12:00:00 AM 11296.64 11684.68
7/31/2015 12:00:00 AM 11694.19 11732.36
8/31/2015 12:00:00 AM 10544.35 10843.28
9/30/2015 12:00:00 AM 9883.8 10158.42
10/31/2015 12:00:00 AM 10103.98 10734.6
11/30/2015 12:00:00 AM 10250.77 11128.03
12/31/2015 12:00:00 AM 9694.19 10597.22
1/31/2016 12:00:00 AM 8550.46 9449.01
2/29/2016 12:00:00 AM 8428.14 9382.21
3/31/2016 12:00:00 AM 8862.39 10100.98
4/30/2016 12:00:00 AM 8929.67 10201.68
5/31/2016 12:00:00 AM 9015.29 10476.52
6/30/2016 12:00:00 AM 8941.9 10428.33
7/31/2016 12:00:00 AM 9486.24 11110.23
8/31/2016 12:00:00 AM 9406.73 11228.34
9/30/2016 12:00:00 AM 9663.61 11390.02
10/31/2016 12:00:00 AM 8966.36 10682.13
11/30/2016 12:00:00 AM 9626.91 11637.86
12/31/2016 12:00:00 AM 9553.52 11796.6
1/31/2017 12:00:00 AM 9730.89 11988.18
2/28/2017 12:00:00 AM 9981.65 12282.13
3/31/2017 12:00:00 AM 10440.37 12427.68
4/30/2017 12:00:00 AM 10727.83 12656.59
5/31/2017 12:00:00 AM 11064.22 12541.54
6/30/2017 12:00:00 AM 11339.45 12973.22
7/31/2017 12:00:00 AM 11590.22 13083.63
8/31/2017 12:00:00 AM 11737.01 13068.32
9/30/2017 12:00:00 AM 12030.59 13779.89
10/31/2017 12:00:00 AM 12428.14 13993.34
11/30/2017 12:00:00 AM 12935.78 14395.09
12/31/2017 12:00:00 AM 12954.13 14411.64
1/31/2018 12:00:00 AM 13437.31 14973.41
2/28/2018 12:00:00 AM 13363.92 14547.12
3/31/2018 12:00:00 AM 13657.5 14743.06
4/30/2018 12:00:00 AM 13712.54 14757.51
5/31/2018 12:00:00 AM 15125.39 15686.65
6/30/2018 12:00:00 AM 15302.76 15809.32
7/31/2018 12:00:00 AM 15278.29 16081.08
8/31/2018 12:00:00 AM 17168.2 17082.29
9/30/2018 12:00:00 AM 16899.09 16682.56
10/31/2018 12:00:00 AM 14574.93 14571.55
11/30/2018 12:00:00 AM 14507.65 14799.45
12/31/2018 12:00:00 AM 12894.56 13070.13
1/31/2019 12:00:00 AM 14258.79 14579.47
2/28/2019 12:00:00 AM 15262.28 15521.01
3/31/2019 12:00:00 AM 15078.64 15311.01
4/30/2019 12:00:00 AM 15452.49 15777.27
5/31/2019 12:00:00 AM 14763.81 14606.73
6/30/2019 12:00:00 AM 16184.81 15731.77

Annualized Total Returns

As of 6/30/19
TimeFrame Calamos Timpani Small Cap Growth Fund (NAV) Russell 2000 Growth Index
6 Month 24.02 20.36
1 Year 4.65 -0.49
3 Year 21.75 14.69
5 Year 10.65 8.63
Since Inception 12.87 10.96

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 Timpani Small Cap Growth Fund include: equity securities risk consisting of market prices declining in general, growth stock risk consisting of potential increased volatility due to securities trading at higher multiples, and portfolio selection risk. The Fund invests in small capitalization companies, which are often more volatile and less liquid than investments in larger companies. 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.

10k Performance is for the Fund's Class A shares at net asset value and does not include the Fund's maximum front-end sales charge of 4.75%-had it been included, the Fund's return would have been lower. Index data shown is from 1/6/14, since comparative index data is available only for full monthly periods.

The performance shown in the bar chart and performance table is the performance of the Predecessor Fund prior to the commencement of the Fund's operations. Effective as of the close of business on May 31, 2019, the Fund acquired all of the assets, subject to the liabilities, of the Predecessor Fund through a tax-free reorganization (the "Reorganization"). As a result of the Reorganization, the Fund adopted the performance and financial history of the Predecessor Fund. The Fund has the same investment objective, strategy and portfolio manager as the Predecessor Fund. As a result, the performance of the Fund would have been substantially similar to that of the Predecessor Fund.The bar chart shows the performance of the Predecessor Fund's Institutional Class which has been adopted by the Class I shares of the Fund for periods prior to the Reorganization. The information shows you how the Predecessor Fund's performance has varied year by year and provides some indication of the risks of investing in the Fund. The average annual total return table compares the Predecessor Fund's Institutional Class performance which has been adopted by the Class I shares of the Fund and Class Y performance which has been adopted by the Class A shares of the Fund and adjusted to reflect the maximum sales load of 4.75% for Class A shares, to that of the Russell 2000 Growth Index. "Since Inception" return shown for the Russell 2000 Growth Index is the return since the inception of the Predecessor Fund's Class Y shares. The average annual total return table does not show performance information for Class R6 shares as the Class R6 shares had not commenced investment operations as of the date of this prospectus. An index reflects no deduction for fees, expenses or taxes. To the extent that dividends and distributions have been paid by the Predecessor Fund, the performance information for the Predecessor Fund in the chart and table assumes reinvestment of the dividends and distributions. If the Predecessor Fund's investment adviser had not waived or reimbursed certain Predecessor Fund expenses during these periods, the Predecessor Fund's returns would have been lower. As always, please note that the Fund's past performance (before and after taxes) cannot predict how it will perform in the future. Updated performance information is available at no cost by visiting www.calamos.com or by calling 800.582.6959.

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 4.75%. Had it been included, the Fund's return would have been lower.

The Russell 2000® Growth Index measures the performance of the small-cap growth segment of the U.S. equity universe. It includes those Russell 2000® companies with higher price-to-value ratios and higher forecasted growth values. The Russell 2000® Growth Index is published and maintained by FTSE Russell.

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 4/15/2019 are as follows: A Shares 1.47%, I Shares 1.22% and R6 Shares 1.12%.

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 6/30/19
Name Fund Russell 2000 Growth Index
Number of Holdings 85 1,228
Debt/Capital 36.7% 35.2%
Price/Earnings 33.7x 19.9x
Price/Sales 1.9x 1.6x
ROIC 17.1% 12.6%
Net Assets $81.0 M N/A

Sector Weightings

As of 6/30/19
Sector % of Assets Russell 2000 Growth Index
Health Care 29.6% 26.4%
Information Technology 24.3% 18.5%
Consumer Discretionary 23.5% 14.6%
Industrials 8.3% 18.6%
Financials 5.1% 7.1%
Materials 2.8% 3.3%
Consumer Staples 2.7% 2.9%
Energy 2.5% 1.7%
Communication Services 1.2% 3.1%
Real Estate 0.0% 3.2%
Utilities 0.0% 0.5%

Top 10 Holdings

As of 6/30/19
Company Sector %
Chegg, Inc. Consumer Discretionary 3.0%
Ingevity Corp. Materials 2.8%
Five9, Inc. Information Technology 2.6%
Tandem Diabetes Care, Inc. Health Care 2.5%
Planet Fitness, Inc. Consumer Discretionary 2.5%
Strayer Education, Inc. Consumer Discretionary 2.5%
Shotspotter, Inc. Information Technology 2.4%
LendingTree, Inc. Financials 2.2%
Array BioPharma, Inc. Health Care 2.1%
Vericel Corp. Health Care 2.1%
Total 24.7%

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 Timpani Small Cap Growth Fund include: equity securities risk consisting of market prices declining in general, growth stock risk consisting of potential increased volatility due to securities trading at higher multiples, and portfolio selection risk. The Fund invests in small capitalization companies, which are often more volatile and less liquid than investments in larger companies. 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.

Top 10 Holdings and Sector Weightings are calculated as a percentage of Net Assets. The tables exclude cash or cash equivalents, any government / sovereign bonds or broad based index hedging securities the portfolio may hold.

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

Est 1-Year EPS Growth is an average of the estimated short-termearnings growth for the companies in a portfolio and gauges thegrowth potential of a portfolio's underlying companies.

Est 1-Year Sales Growth is an average of the estimated sales growth for companies in a portfolio, thereby projecting their ability to increase revenue.

Price/Earnings Ratio-Is the current stock price over trailing 12-month earnings per share.

Price/Sales Ratio-Is a stock's capitalization divided by its sales over the trailing 12 months. ROIC (return on invested capital) measures how effectively a company uses the money invested in its operations, calculated as a company's net income minus any dividends divided by the company's total capital.

The Russell 2000® Growth Index measures the performance of the small-cap growth segment of the U.S. equity universe. It includes those Russell 2000® companies with higher price-to-value ratios and higher forecasted growth values. The Russell 2000® Growth Index is published and maintained by FTSE Russell.

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.

Schedule

Name Frequency
Distributions ANNUAL
Capital Gains ANNUAL

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 Timpani Small Cap Growth Fund include: equity securities risk consisting of market prices declining in general, growth stock risk consisting of potential increased volatility due to securities trading at higher multiples, and portfolio selection risk. The Fund invests in small capitalization companies, which are often more volatile and less liquid than investments in larger companies. 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 4.75%. Had it been included, the Fund's return would have been lower.

The funds' gross expense ratios as of the prospectus dated 4/15/2019 are as follows: A Shares 1.47%, I Shares 1.22% and R6 Shares 1.12%.

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 I Shares R6 Shares
Gross Expense Ratio 1.47% 1.22% 1.12%
Net Expense Ratio 1.30% 1.05% 0.95%

Investment Information

Name A Shares I Shares R6 Shares
Minimum initial investment $2500 $1 million $0
Minimum subsequent investments $50 N/A N/A
IRA initial investments $500 N/A N/A

Fund Information

Name A Shares I Shares R6 Shares
Inception Date 1/06/14 3/23/11 6/03/19
Ticker Symbol CTASX CTSIX CTSOX
CUSIP number 128120417 128120391 128120383

Sales & Distribution

Name A Shares I Shares R6 Shares
Maximum Sales Charge 4.75 N/A N/A
US Bank Fund Number 5650 5651 5652
Dividends ANNUAL ANNUAL ANNUAL
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 Timpani Small Cap Growth Fund include: equity securities risk consisting of market prices declining in general, growth stock risk consisting of potential increased volatility due to securities trading at higher multiples, and portfolio selection risk. The Fund invests in small capitalization companies, which are often more volatile and less liquid than investments in larger companies. 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.

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 of Class A shares and Class I shares are limited to 1.30% and 1.05% of average net assets, respectively. The Fund's investment advisor has contractually agreed to limit the Fund's annual ordinary operating expenses for Class R6 shares (as a percentage of average net assets) to 1.05% less the Fund's annual sub-transfer agency ratio (the aggregate sub-transfer agency fees of the Fund's other share classes divided by the aggregate average annual net assets of the Fund's other share classes). For purposes of these expense limitations, operating expenses do not include taxes, interest, short interest, short dividend expenses, brokerage commissions, acquired fund fees and expenses, and extraordinary expenses, if any. Calamos Advisors may recapture previously waived expense amounts within the same fiscal year for any day where the respective share class'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.

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.

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.

calamos-timpani-small-cap-growth-fund-mutual-fund-quarterly-commentary.pdf
Calamos Timpani Small Cap Growth Fund Quarterly Commentary

A quarterly update of the Calamos Timpani Small Cap Growth Fund’s performance, positioning, related market commentary and outlook.

calamos-timpani-small-cap-growth-mutual-fund-fact-sheet.pdf
Calamos Timpani Small Cap Growth Fund Fact Sheet

The Timpani Small Cap Growth Fund fact sheet provides a snap shot of the investment team, the fund strategy, performance, composition, ratings and returns.

qa-with-brandon-nelson-ctsix.pdf
Pursuing the Disproportionate Reward of Small Cap Growth Stocks

Pursue the Disproportionate Reward of Small Cap Growth Stocks with Brandon M. Nelson, founder of Timpani Capital Management, the small cap growth investment management firm acquired by Calamos in May 2019.

calamos-timpani-small-cap-growth-fund-mutual-fund-summary-prospectus.pdf
Calamos Timpani Small Cap Growth Fund Prospectus

This summary contains important information about the Class A, I, and R6 Timpani Small Cap Growth Fund investment objective, fees and expenses, principal investment strategies, principal risks and performance.

calamos-timpani-small-cap-growth-fund-mutual-fund-statutory-prospectus.pdf
Calamos Timpani Small Cap Growth Fund 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-timpani-small-cap-growth-fund-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.