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Summary Points:
The first quarter of 2026 unfolded against a backdrop of notable equity market volatility, geopolitical tension, and a fixed-income market that continued to recalibrate around Federal Reserve policy. The S&P 500 declined 4.3% during the quarter as markets contended with renewed US-China trade friction, the war with Iran, and uncertainty about the pace and direction of future Fed rate cuts. Equity markets broadly moved lower, with growth and momentum names bearing the brunt of the selling pressure. The Bloomberg US Aggregate Bond Index was flat, reflecting a modest flight-to-quality and a continued decline in shorter-maturity yields.
Calamos Market Neutral Income Fund returned 0.4% (Class I shares at NAV) for the quarter, outperforming the S&P 500 and modestly ahead of the Bloomberg US Aggregate Index.


Data as of 3/31/2026. Source: Morningstar. 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. All performance shown assumes reinvestment of dividends and capital gains distributions. The fund’s gross expense ratio as of the prospectus dated 2/27/2026 is 1.01% for Class I shares.
Hedged Equity Strategy. Consistent with our outlook entering the year, we maintained a heavier-than-average (i.e., more defensive) hedge given the combination of still-elevated implied volatility and an interest rate environment that made defensive positioning relatively inexpensive.
The quarter presented several opportunities to actively monetize volatility spikes. Most notably, the US and Israeli military strikes against Iran resulted in significant volatility across equity, energy, and derivatives markets during the period. Crude oil prices (as measured by West Texas Intermediate) surged from the high $60s to more than $100 per barrel during March, reflecting both the direct supply risk premium and broader investor anxiety around a widening conflict.
We took advantage of these episodes by selling near-the-money April calls and using the proceeds to finance multiples of end-of-March put spreads, effectively locking in asymmetric downside risk mitigation at little or no net cost. The current structure of our hedged equity book pays us to be hedged and patient, which we believe is the most favorable posture as we move into a period of continued policy and geopolitical uncertainty.
We continue to believe that the elevated level of implied volatility, relative to realized volatility, creates a persistent and attractive environment for our options-hedge framework. Interest rate levels continue to support wide spreads on calls written versus long puts, sustaining the structural advantage that has benefited this strategy.
Convertible Arbitrage Strategy. The convertible arbitrage strategy performed most strongly during the quarter, benefiting from a primary market that picked up where 2025 left off. US convertible issuance of $27 billion for the quarter is off to a strong start and could challenge last year's record $118.8 billion, especially if geopolitical headwinds moderate. The 2026 issuance calendar reflects both the continuation of themes that drove 2025 supply, including technology, crypto-related companies, and high-growth capital-intensive issuers, and an emerging and notable new theme: power and utilities companies funding the infrastructure buildout required to support artificial intelligence data centers.
We believe this broadening of the issuer base is a constructive development for CMNIX’s convertible arbitrage strategy. The secondary market has continued to demonstrate healthy absorption of new supply, with existing issues largely holding firm despite the volume of new issuance. Convertible valuations remain modestly inside fair value on an absolute basis, and new deals continue to price at levels that we believe offer attractive entry points for our unlevered arbitrage approach.
As we have noted previously, our convertible arbitrage strategy operates without leverage, a differentiating characteristic in a space where many counterparts employ 2-to-1 or higher leverage ratios. We believe our ability to generate competitive returns without leverage speaks to the depth of the opportunity set and the quality of our execution.
Merger Arbitrage Strategy. The regulatory landscape for deal activity has undergone a meaningful transformation, moving from a period of aggressive antitrust scrutiny under the prior administration to a more accommodative framework under the current one. This shift has reduced deal-break risk across a wide range of pending transactions and improved the opportunity set’s return profile on a risk-adjusted basis.
We see several tailwinds supporting merger arbitrage going forward: a more hospitable regulatory environment, an anticipated wave of private equity-sponsored buyout activity as financing markets remain accessible, and a growth-oriented domestic economic policy framework that encourages corporate investment and consolidation. (For more on the macro tailwinds shaping the merger landscape, see our paper, “Unlocking the Opportunities of an Improved M&A Environment.”) Our team’s expertise in convertible and event-driven analysis provides a differentiated edge in situations where deal structure intersects with fixed income complexity.
SPAC Arbitrage. SPAC issuance has continued at an elevated pace relative to recent years, though still well below the 2021 peak. We remain focused on structures with positive yield-to-expiration, where current short-term interest rates allow for attractive carry on cash held in trust. We continue to deploy this strategy opportunistically and do not anticipate significantly increasing the allocation in the near term unless we see a more compelling valuation environment or a further rise in issuance.
Looking ahead, we expect the convertible issuance environment to remain robust, the regulatory backdrop for merger activity to be supportive, and volatility to continue providing opportunities within our hedged equity framework. We remain vigilant to downside risks, including geopolitical instability, policy uncertainty, and the potential for a recalibration in AI-related valuations, and believe the Fund's positioning reflects an appropriate balance of participation and protection.
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 1-866-363-9219. Read it carefully before investing.
Diversification and asset allocation do not guarantee a profit or protect against a loss. Alternative strategies entail added risks and may not be appropriate for all investors. Indexes are unmanaged, not available for direct investment and do not include fees and expenses.
Opinions, estimates, forecasts, and statements of financial market trends that are based on current market conditions constitute our judgment and are subject to change without notice. The views and strategies described may not be appropriate for all investors. References to specific securities, asset classes and financial markets are for illustrative purposes only and are not intended to be, and should not be interpreted as, recommendations.
Indexes are unmanaged, do not include fees or expenses and are not available for direct investment. The S&P 500 Index is considered a measure of the US equity market. The Bloomberg US Aggregate Index measures the performance of investment grade bonds. The Bloomberg US Government/Credit Bond Index includes Treasuries and agencies that represent the government portion of the index, and includes publicly issued US corporate and foreign debentures and secured notes that meet specified maturity, liquidity, and quality requirements to represent credit interests. The S&P 500 Index is considered generally representative of the US large-cap equity market. Oil is represented by West Texas Intermediate.
Important Risk 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 Market Neutral Income Fund include: equity securities risk consisting of market prices declining in general, convertible securities risk consisting of the potential for a decline in value during periods of rising interest rates and the risk of the borrower to miss payments, synthetic convertible instruments risk, convertible hedging risk, covered call writing risk, options risk, short sale risk, interest rate risk, credit risk, high yield risk, liquidity risk, portfolio selection risk, and portfolio turnover risk.
Foreign security 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 the potential for greater economic and political instability in less developed countries.
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