 First Trust Advisors LP lowered its position in Overseas Shipholding Group Inc. NYSE:OSG by 16.2 in the 1st quarter, HoldingsChannel.com reports. The institutional investor owned 111,754 shares of the transportation companys stock after selling 21,673 shares during the quarter. First Trust Advisors LPs holdings in Overseas Shipholding Group were worth 254,000 at the end of ... 