ORG Partners LLC’s holdings in Marathon Petroleum were worth $270,000 as of its most recent filing with the Securities and Exchange Commission. Patton Fund Management Inc. purchased a new position in shares of Marathon Petroleum during the 2nd quarter valued at $245,000. Finally, Harrell Investment Partners LLC grew its position in shares of Marathon Petroleum by 8.7% during the 2nd quarter. Marathon Petroleum Stock PerformanceMarathon Petroleum stock opened at $198.85 on Monday. Read MoreReceive 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.