ACSG was created on 2025-10-14 by American Century. The fund's investment portfolio concentrates primarily on small cap equity. The ETF currently has 16.53m in AUM and 263 holdings. ACSG is an actively managed ETF investing in US small-cap companies with accelerating growth rates and improving fundamentals. The fund seeks long-term capital growth through a bottom-up, research-driven approach supported by systematic portfolio construction.