NasdaqGM - Nasdaq Real Time Price • USD Calamos Strategic Total Return Fund (CSQ) Follow Add holdings 17.28 +0.04 +(0.23%) At close: May 30 at 4:00:01 PM EDT All News Press Releases SEC Filings Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution Calamos Investments®* has announced monthly distributions and sources of distributions paid in May 2025 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans. Calamos Closed-End Funds (NASDAQ: CHI, CHY, CSQ and CCD) Announce Private Placements Totaling $170 Million of Mandatory Redeemable Preferred Shares The Boards of Trustees of four of Calamos Investments' closed-end funds (the Funds) today announced the issuance of an additional series of mandatory redeemable preferred (MRP) shares totaling $170 million. The newly issued MRP shares will provide additional financial leverage for the Funds. Calamos Launches CPSL, the First ETF to Provide a Systematic Approach to Investing in 100% Downside Protection S&P 500 ETFs Calamos Investments LLC ("Calamos"), a leading alternatives manager, today launched the Calamos Laddered S&P 500 Structured Alt Protection ETF (CPSL). CPSL is the latest innovative addition to the Calamos Structured Protection ETFs™ series, a suite of ETFs offering capital-protected exposure across the leading US indices. CORRECTION: Calamos Investments Closed-End Funds (NASDAQ: CHI, CHY, CSQ, CGO, CHW, CCD and CPZ) Announce Monthly Distributions and Required Notifications of Sources of Distribution Calamos Investments®* has announced corrections to monthly distributions and sources of distributions paid in June 2024 to shareholders of its seven closed-end funds (the Funds) pursuant to the Funds' respective distribution plans. Performance Overview Trailing total returns as of 5/30/2025, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) Return CSQ S&P 500 (^GSPC) YTD +0.05% +0.51% 1-Year +14.77% +12.92% 3-Year +47.43% +42.17%