 Jane Street Group LLC lessened its holdings in Brf S.A. NYSE:BRFS by 47.1 during the 4th quarter, HoldingsChannel.com reports. The institutional investor owned 28,969 shares of the companys stock after selling 25,801 shares during the quarter. Jane Street Group LLCs holdings in BRF were worth 252,000 as of its most recent SEC filing. A number ... 