Iron Mountain Inc vs Sirius XM Holdings Inc — how do they compare? Iron Mountain Inc trades at $114.64 (market cap $34.46B), while Sirius XM Holdings Inc trades at $26.68 (market cap $8.87B). The key difference: Iron Mountain Inc is far larger — about 3.9× Sirius XM Holdings Inc's market cap, and Sirius XM Holdings Inc pays the higher dividend (4.1%). Which is the better fit depends on your goals — on Pluang, investors hold Iron Mountain Inc for 80 Days and Sirius XM Holdings Inc for 102 Days on average.
| IRM | SIRI | |
|---|---|---|
Market Cap | $34.46B | $8.87B |
Volume | 1,379,608 | 4,324,672 |
Sector | Real Estate | Media |
52-Week High | $133.06 | $32.59 |
52-Week Low | $78.86 | $19.92 |
Typical Hold Time | 80 Days | 102 Days |
Enterprise Value | $53.87B | $18.16B |
Dividend Yield | 2.99% | 4.1% |
Signals from Pluang's Aura AI — not financial advice
Iron Mountain (IRM) trades at $115.73, down 0.66% on the day, with a bullish technical signal and strong institutional interest. The company has beaten EPS estimates for three consecutive quarters, with Q3 2026 results pending. Revenue growth is robust, climbing from $5.1B in 2022 to $6.9B in 2025, though net margins have compressed. Recent news highlights expansion in data centers and digital partnerships, including a 300MW pipeline and AI collaborations.
The outlook is supported by analyst consensus with a $142.75 price target (66.7% buy ratings), but high debt levels and elevated P/E of 82.09 pose risks. Earnings growth from digital initiatives is the key catalyst, while leverage and margin pressure require monitoring for sustained shareholder value.
SIRI trades at $25.95, down 1.56% with a bearish technical signal. The company shows mixed fundamentals with a P/E of 10.57 and P/B of 0.75 indicating potential undervaluation, but recent earnings misses and a significant net loss in 2024 raise concerns. Positive cash flow growth and a 62.5% analyst buy rating provide support, while the YouTube partnership offers growth potential.
The stock presents a value opportunity with upside to the $34.43 consensus target, but faces execution risks from subscription pressure and high debt. Recent institutional buying and management's focus on cash flow growth are positive catalysts, though technical weakness and competitive threats warrant caution for near-term investors.
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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 →SiriusXM Holdings is now composed of two businesses: SiriusXM and Pandora. SiriusXM transmits music, talk shows, sports, and news via its two satellite radio networks, primarily to consumers in vehicles who pay a subscription fee. The firm's radios come preinstalled on a wide range of light vehicles in the U.S. and Canada. The firm acquired Pandora Media in February 2019 via an all-stock transaction. Pandora is a streaming music platform that offers an ad-supported radio option and a paid on-demand service. Liberty Media owns 80% of SiriusXM, traded through its Liberty SiriusXM Group tracking stock.
Read more on SIRI →