They are fairly broad based and really have a slight factor tilt held at market weight. (realsmartbeta.com)
Quants believe that most, if not all, of a money manager's alpha can be decomposed into a series of factor tilts, like value, small, or momentum. (mutualfundobserver.com)
Some investors also use them to gain specific factor tilts within a portfolio. (libertyshares.com)