In another of the annual filings for those owning more than 5 percent of public companies, Texas-based hedge fund Dimensional Fund Advisors (a huge quant fund that has over $260 billion in investments) disclosed that they increased their stake in Barnes & Noble during 2012. A year ago they reported having taken a 5.45 percent position of about 3.2 million shares by the end of 2011. The new filing indicates that their stake had grown to 7.28 percent of BN stock by the end of 2012, or roughly 4.3 million shares. Barnes & Noble’s stock has risen following the disclosure […]