Iron Mountain Inc vs Marathon Petroleum Corp — how do they compare? Iron Mountain Inc trades at $122.75 (market cap $36.19B), while Marathon Petroleum Corp trades at $335.61 (market cap $89.95B). The key difference: Marathon Petroleum Corp is far larger — about 2.5× Iron Mountain Inc's market cap, and Iron Mountain Inc pays the higher dividend (2.84%). Which is the better fit depends on your goals.
| IRM | MPC | |
|---|---|---|
Market Cap | $36.19B | $89.95B |
Sector | Real Estate | Energy |
52-Week High | $133.06 | $320.32 |
52-Week Low | $78.86 | $158.59 |
Enterprise Value | $55.60B | $116.48B |
Dividend Yield | 2.84% | 1.25% |
Signals from Pluang's Aura AI — not financial advice
Iron Mountain (IRM) trades at $121.15, down 0.66% on the day, amid a bearish technical signal. The company reported strong Q2 2026 results with revenue up 19% year-over-year to $2.03 billion, beating estimates, and has a consensus analyst price target of $141.50. However, high debt levels and a negative shareholder equity position present fundamental concerns.
Outlook is mixed: robust data center and digital growth support upside, but elevated valuation ratios and rising debt-to-asset ratios pose risks. Analyst sentiment is predominantly buy-rated (65%), yet technical indicators suggest near-term caution. Investors should weigh strong operational performance against financial leverage and market volatility.
Marathon Petroleum (MPC) trades at $298.20, down 0.35% with a bearish technical signal despite strong fundamental performance. The stock shows exceptional earnings momentum with three consecutive quarterly beats, including a massive Q2 2026 EPS of $17.73 versus $14.27 expected. Valuation remains attractive with P/E of 10.34 and EV/EBITDA of 6.26, while maintaining robust profitability with 47.9% ROE.
MPC presents a compelling investment case with strong analyst support (76% buy ratings) and $330.70 price target upside. However, declining revenue trends from $177.5B in 2022 to $132.7B in 2025 and rising debt-to-asset ratio to 42.59% pose fundamental concerns. Technical weakness near pivot point resistance at $297 requires monitoring despite positive refining margin outlook.
Trailing returns across standard periods
Latest headlines on both assets
Iron Mountain Inc is a record management services provider. The firm is organized as a REIT. Most of its revenue comes from its storage business, with the rest coming from value-added services. The firm primarily caters to enterprise clients in developed markets. Its business segments include Global RIM Business
Read more on IRM →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 →