What information can we learn about the size and valuefactor exposures of these five mutual funds Vanguard SP$500$ Index Fund, Fidelity Magellan Fund, Legg Mason Value Trust, Mass Investors Trust, Fidelity Low Priced? Can we identify whether they are value$/$growth$,$ small$/$large funds based on the farma french three factor model? Based on estimates from the period $(1990-2022),$ do we see styles changes in the mutual funds, a value fund became a growth fund?