Iron Mountain jumps as data-center optimism builds ahead of April 29 earnings

IRMIRM

Iron Mountain shares rose as investors rotated back into data-center REITs ahead of the company’s next earnings report on April 29, 2026. Recent bullish sell-side actions and reiterated 2026 growth guidance tied to accelerating data-center leasing have kept sentiment positive.

1. What’s moving IRM today

Iron Mountain (IRM) is trading higher in a risk-on bid for data-center-linked real estate names as the market looks ahead to the company’s next quarterly results, scheduled for April 29, 2026. The stock’s recent momentum has been supported by a string of bullish updates and a narrative that its data center segment is becoming the primary growth engine, helping offset slower-growth legacy storage.

2. The catalyst investors are keying on

The most concrete supports behind the upside tone are (1) sell-side price-target increases and Buy-equivalent ratings following Iron Mountain’s strong Q4 2025 report and 2026 outlook, and (2) ongoing focus on large multi-year capacity expansion and leasing momentum in its data center business. Iron Mountain has highlighted a substantial pipeline of capacity being energized over the next 24 months, while external coverage has emphasized strong 2026 guidance and the data-center growth trajectory.

3. Key numbers and dates to watch next

The next major catalyst is the April 29, 2026 earnings event, where investors will look for updates on data center leasing (megawatts signed/commenced), capacity energizations, and any confirmation of full-year 2026 guidance. Bulls are also focused on the company’s stated expectation for strong 2026 growth in the data center segment and whether investment spend or mix creates near-term margin pressure while scaling the platform.