Verkkocompare etfs qqq and fncmx on performance, aum, flows, holdings, costs and esg ratings. Verkkowhat is the primary difference between qqq and qqqm? They are essentially the same etf with different ticker symbols, except that qqqm has a. Verkkoover the past 10 years, fncmx has underperformed qqq with an annualized return of 15. 50%, while qqq has yielded a comparatively higher 17. 81% annualized return.