A recent study of funds that purport to prioritize positive environmental, social and governance (ESG) impacts has found that, with just a few exceptions, they're not that different from other, more mundane funds, according to the Wall Street Journal. Among large company-focused ESG funds, tech and health care stocks were the most prevalent, yet their weight was only a little more than the S&P 500 as a whole, about 1.6 percent. On the other side of the equation, they're also a little lighter in finance, energy, weapons, tobacco and gambling stocks than the overall index. There are some significant differences when it comes to individual companies, though: Starbucks, for instance, is the fifth most popular stock in ESG funds, while Facebook, highly valued in the greater market, is barely a presence. Overall, however, differences seem to be small from the broader market, and have not had much of a market impact, according to the Journal.