Marathon Petroleum Corp vs Transocean Ltd — how do they compare? Marathon Petroleum Corp trades at $320.46 (market cap $92.05B), while Transocean Ltd trades at $5.24 (market cap $5.56B). The key difference: Marathon Petroleum Corp is far larger — about 16.6× Transocean Ltd's market cap, and Marathon Petroleum Corp pays a 1.24% dividend while Transocean Ltd pays none. Which is the better fit depends on your goals.
| MPC | RIG | |
|---|---|---|
Market Cap | $92.05B | $5.56B |
Sector | Energy | Technology |
52-Week High | $315.31 | $7.58 |
52-Week Low | $158.59 | $2.64 |
Enterprise Value | $124.23B | $10.50B |
Dividend Yield | 1.24% | — |
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Transocean Ltd. (RIG) trades at $5.02, down 2.33% on the day, reflecting a bearish technical trend. The company reported a net loss of $2.92 billion in 2025 despite $3.97 billion in revenue, with a negative net income margin of -66.79%. Recent news highlights a significant $1 billion contract with Equinor and a pending merger with Valaris, aimed at reducing leverage and generating synergies. Analyst consensus is mixed, with a $7.00 price target suggesting potential upside from current levels.
The outlook for RIG hinges on successful execution of its merger and contract backlog conversion to profitability. Opportunities include a strong $7 billion backlog and operational momentum, but risks persist from sustained net losses, high debt, and oil price volatility. Investors should weigh the potential for deleveraging and synergy benefits against ongoing profitability challenges.
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Latest headlines on both assets
Marathon Petroleum is an independent refiner with 13 refineries in the midcontinent, West Coast, and Gulf Coast of the United States with total throughput capacity of 2.9 million barrels per day. Its Dickinson, ND, facility produces 184 million gallons a year of renewable diesel. Its Martinez, CA, facility will have the ability to produce 730 million gallons a year of renewable diesel once converted. The firm also owns and operates midstream assets primarily through its listed MLP, MPLX.
Read more on MPC →Transocean Ltd. is a leading international provider of offshore contract drilling services for oil and gas wells. The company operates one of the world's most versatile fleets of mobile offshore drilling units, including ultra-deepwater drillships and harsh environment semi-submersibles. RIG's services are essential to energy exploration and production companies seeking to access deepwater and challenging reserves globally.
Read more on RIG →