We examine the factor exposures of several popular market capitalization indexes and how they vary over time. We find that most market capitalization weight indexes are effectively exposed to only two or three factors, with value and momentum being increasingly dominant. We find that the...

We develop a methodology to estimate dynamic factor loadings using cross-sectional risk characteristics, which is especially useful when factor loadings significantly vary over time. In comparison, standard regression approaches assume the factor loadings are constant over a particular window....

Using data on 1,312 US equity active mutual funds with $3.9 trillion in AUM, we analyze the link between funds' “bottoms up” holdings-based environmental, social, and governance (“ESG”) scores and funds' active returns, style factor loadings, and alphas. We find that funds with high ESG...

Today there are more active equity mutual funds and equity ETFs than individual stocks. Funds differ meaningfully in terms of individual stock holdings, and we examine the factor exposures of the typical fund and the cross section of holdings of different funds. We also examine the most common...