MMMA was created on 2025-12-16 by NYLIM. The fund's investment portfolio concentrates primarily on broad credit fixed income. The ETF currently has 28.09m in AUM and 49 holdings. MMMA is an actively managed fund that invests broadly in municipal bonds that are exempt from regular federal income tax. The fund invests in both investment grade and high-yield bonds with maturities of 5 years or longer.