QBSF was created on 2025-06-30 by Allianz. The fund's investment portfolio concentrates primarily on large cap equity. QBSF aims to track the share price returns of the SPDR S&P 500 ETF Trust (ticker: SPY) up to a cap, while buffering the first 15% decline, over a three-month outcome period. The actively managed fund holds FLEX options.