Iron Mountain Inc vs TransMedics Group Inc — how do they compare? Iron Mountain Inc trades at $124.73 (market cap $36.44B), while TransMedics Group Inc trades at $87.19 (market cap $3.10B). The key difference: Iron Mountain Inc is far larger — about 11.8× TransMedics Group Inc's market cap, and Iron Mountain Inc pays a 2.82% dividend while TransMedics Group Inc pays none. Which is the better fit depends on your goals.
| IRM | TMDX | |
|---|---|---|
Market Cap | $36.44B | $3.10B |
Sector | Real Estate | Technology |
52-Week High | $133.06 | $150.42 |
52-Week Low | $78.86 | $61.99 |
Enterprise Value | $55.85B | $3.49B |
Dividend Yield | 2.82% | — |
Signals from Pluang's Aura AI — not financial advice
Iron Mountain (IRM) trades at $124.67, up 2.56% today, with a bearish technical signal but strong recent earnings beats. Revenue grew to $6.90B in 2025, though net margins compressed to 2.09%. The stock is supported by a 65% analyst buy rating and a $141.50 consensus target, with institutional interest highlighted by recent purchases. Key risks include high debt levels, with a debt-to-asset ratio of 79.04% in 2025.
Outlook remains mixed; robust data center growth and dividend yield near 2.8% offer upside, but elevated valuation (P/E 86.8) and persistent negative shareholder equity warrant caution. Earnings momentum from Q2 2026 beat provides near-term support, yet debt servicing and competitive pressures pose headwinds for sustained gains.
TransMedics Group (TMDX) trades at $87.42, down 1.12% on the day, with a bullish technical outlook from moving averages but bearish oscillators signaling potential overbought conditions. The company reported mixed Q2 2026 results, missing earnings estimates with EPS of $0.44 versus $0.50 expected, while revenue growth remains robust. Recent news highlights an ongoing investigation into fiduciary duties by directors, adding uncertainty.
The stock presents a cautious opportunity with strong analyst support (69% buy ratings) and a consensus price target of $99.57, implying upside, but risks include earnings volatility, margin pressures, and legal scrutiny. Fundamentals show solid profitability with a 22.69% net margin, though valuation multiples like P/E of 23.15 suggest premium pricing relative to historical norms.
Trailing returns across standard periods
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 →TransMedics is a pioneering medical technology company that is disrupting the organ transplant market with its Organ Care System (OCS™). By replacing traditional cold storage with portable warm perfusion, the OCS maintains donor organs in a near-physiologic state, allowing for continuous assessment and optimization. Through its National OCS Program (NOP™), TransMedics provides an end-to-end clinical and logistics solution, including a dedicated aviation fleet, to maximize the utilization of donor organs and improve patient outcomes.
Read more on TMDX →