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U.S. ETF Monthly Summary: September 2026 Results

calendar_today October 5, 2026 person risk.acl@factset.com (Lois Gregson) domain factset

U.S.-listed ETFs closed September with $16.4 trillion in total assets under management, which is relatively flat compared to August month end . Monthly net fund flows continued their decline with a significant drop in September: just $140.9 billion in new assets added. This is down 29.6% from $182.6 billion in new assets in August.

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