CMRGX — Calamos Merger Arbitrage Fund
Data updated: 2026-06-26
CMRGX — Calamos Merger Arbitrage Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Equity · $2.47M AUM · 1.73% expense ratio · 13.2% 1-yr return. From SEC regulatory filings.
CMRGX Fund Overview
CMRGX — Calamos Merger Arbitrage Fund is a US mutual fund managed by Calamos Investment Trust/il, categorised as United States Mid Cap Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Calamos Investment Trust/il
- Category: United States Mid Cap Equity
- Assets under management: $2.47M
- 1-year return: 13.2%
- Ticker: CMRGX
- SEC CIK: 0000826732
- SEC series ID: S000081268
- Share class ID: C000243949
CMRGX Holdings
Top 10 holdings of Calamos Merger Arbitrage Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Norfolk Southern Corp | 8.28% |
| Kenvue Inc | 7.59% |
| Electronic Arts Inc | 6.69% |
| Txnm Energy, Inc. | 6.23% |
| AES Corp/The | 5.92% |
| FutureTech II Acquisition Corp | 5.89% |
| Warner Bros Discovery Inc | 5.05% |
| Global Payments, Inc. | 4.80% |
| Brighthouse Financial Inc | 4.53% |
| Clearwater Analytics Holdings Inc | 4.23% |
CMRGX Portfolio Allocation
Asset-class allocation of Calamos Merger Arbitrage Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 68.4% |
| Fixed Income | 30.7% |
CMRGX Performance
Total returns for CMRGX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 1.9% |
| 1 year | 13.2% |
| 3 years (annualised) | 5.5% |
CMRGX Risk Information
Risk metrics for CMRGX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.9%
CMRGX Costs and Fees
CMRGX costs about $173 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.73%
- Gross expense ratio: 6.34%
- Portfolio turnover: 177%
- Brokerage commissions: 14.09 bps of average net assets (SEC N-CEN)
CMRGX Cashflows
Over the 12 months to 2026-04, Calamos Merger Arbitrage Fund had net inflows of $373.97K, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $33.10K |
| 2026-03 | −$255.02K |
| 2026-02 | −$54.32K |
| 2026-01 | −$4.54K |
| 2025-12 | $139.67K |
| 2025-11 | −$102.79K |
CMRGX Debt Constituents
Largest debt holdings of Calamos Merger Arbitrage Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Txnm Energy, Inc. | 6.23% |
| Global Payments, Inc. | 4.80% |
| Nutanix, Inc. | 3.62% |
| Jd.com, Inc. | 2.97% |
| Pagerduty Inc. | 2.91% |
| Alkami Technology, Inc. | 2.90% |
| Gamestop Corp. | 2.85% |
| Strategy, Inc. | 2.27% |
| Bill Holdings, Inc. | 2.02% |
| Wolfspeed, Inc. | 0.09% |
CMRGX Prospectus and SEC Filings
Official Calamos Merger Arbitrage Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other United States Mid Cap Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.