BondsMedium•2 October 2026•
1 min read
BlackRock Mortgage Bond ETF Sees Record $2.7B Outflow in September
Key Facts
1BlackRock’s MBB ETF saw a $2.67 billion outflow in September, surpassing levels seen during the 2008 financial crisis and COVID-19.
BlackRock’s MBB ETF saw a $2.67 billion outflow in September, marking the largest monthly exodus in the fund's history. Benzinga reported that these outflows surpassed the historical selling pressure recorded during the 2008 global financial crisis and the 2020 pandemic.
BlackRock (BLK) closed at $1064.36 on October 1, 2026, prior to the emergence of the record outflow data which suggests a significant shift in investor sentiment regarding mortgage-backed securities. The stock reached a high of $1072.83 and a low of $1053.14 during that trading session.