Janney Montgomery Scott LLC lowered its holdings in Marathon Petroleum Corporation (NYSE:MPC – Free Report) by 1.7% in the second quarter, Holdings Channel.com reports. Janney Montgomery Scott LLC’s holdings in Marathon Petroleum were worth $22,316,000 at the end of the most recent quarter. Marathon Petroleum Dividend AnnouncementMarathon Petroleum ( NYSE:MPC Get Free Report ) last released its quarterly earnings results on Tuesday, August 5th. Marathon Petroleum Company Profile(Free Report)Marathon Petroleum Corporation, together with its subsidiaries, operates as an integrated downstream energy company primarily in the United States. Receive News & Ratings for Marathon Petroleum Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Marathon Petroleum and related companies with MarketBeat.com's FREE daily email newsletter.