 BNP Paribas Arbitrage SA lowered its stake in Phillips 66 Partners LP NYSE:PSXP by 48.8 in the 1st quarter, according to its most recent 13F filing with the Securities Exchange Commission. The institutional investor owned 11,846 shares of the oil and gas companys stock after selling 11,309 shares during the quarter. BNP Paribas Arbitrage ... 