Smart Beta Approach Propels FlexShares Quality Dividend ETF Performance FlexShares Quality Dividend ETF (QDF), with more than $1.74 billion in assets, seeks to match the Northern Trust Quality Dividend Index. Its strategy emphasizes high-quality, income-generating U.S. stocks, with technology, financials, and healthcare as leading sectors. The ETF maintains a competitive 0.37% expense ratio and a 2% yield.52