Calamos launches CTAG active SMID growth ETF

Calamos Investments launched the Calamos Timpani SMID Active Growth ETF (CTAG) on Sept. 21, 2026. Run by Senior Portfolio Manager Brandon Nelson, it actively picks small and midsize — SMID — growth stocks expected to expand fast. For savers, the draw is ETF structure: you can buy and sell during the trading day, with hands-on stock picking.