“…Our cross-sectional study on fund performance is non-parametric, thus we do not tackle the causes on under performance. For example, the difference on performance may be explained by timing (Treynor & Mazuy, 1966;Henriksson & Merton, 1981;Andreu, Matallín-Sáez, & Sarto, 2018); investment style (Sharpe, 1992); the characteristics of the securities within mutual funds (Kent, Grinblatt, Titman, & Wermers, 1997); stock-picking talent, load fees, expenses and turnover (Wermers, 2002); portfolio holdings (Brinson & Fachler, 1985;Grinblatt & Titman, 1989a,1989bAndreu et al, 2018); trading efficiency (Cici, Dahm, & Kempf, 2018), and active management Grinold and Kahn (2000); Cremers and Petajisto (2009); Petajisto (2013); Crane and Crotty (2018). In this regard, besides the documentation of the relative performance of Colombian mutual funds, further parametric studies are needed to explore the causes and the differences of performance among funds.…”