The landlords of the AI boom
When people buy a data center stock, they are often buying a real estate business. Data center real estate investment trusts, or REITs, own the physical buildings that house the servers, the power, and the cooling that AI depends on. They are the landlords of the artificial intelligence boom, and they collect rent from the biggest technology companies on Earth.
That model is the cleanest way to own AI demand without betting on a single chip or a single software product. It is also the sharpest contrast to the Homestacks pitch, which argues that some of this demand will leave the big campus entirely and move into an appliance bolted to a new home.
How a data center REIT makes money
A data center REIT such as Digital Realty or Equinix develops or acquires facilities, then leases space and power to tenants. Those tenants are usually cloud providers and large enterprises, and they sign long leases because moving computing workloads is expensive and disruptive. The rent covers the building, the cooling, the security, and the power infrastructure, and the REIT passes most of its taxable income to shareholders, which is what gives REITs their high distribution yields.
The appeal in an AI era is pricing power. Demand for the newest, most power-dense facilities is running ahead of supply in major markets, and that lets landlords push rents higher and sign longer terms. The risk is on the other side of the ledger: these buildings are capital-intensive, and a landlord that builds too much in a cooling market is stuck with empty space.
Where the Homestacks idea diverges
The Angel Publishing Homestacks promotion argues that centralized data centers are hitting power, water, and heat limits, and that AI compute will shift to a distributed appliance installed on new homes. The real product behind that story is SPAN’s XFRA, an outdoor unit about the size of an air-conditioning compressor that pairs NVIDIA Blackwell GPUs with a smart electrical panel and a home battery. SPAN covers the host homeowner’s power and internet bills, and the first pilot is about 100 units in build-to-rent communities in Arizona and Nevada with PulteGroup.
SPAN’s own press release frames XFRA as a way to augment centralized data centers rather than replace them, and NVIDIA’s role is as a chip supplier, not an investor. That is a meaningful gap between the pitch and the product. The REIT model depends on the centralized campus continuing to grow, which is exactly what the Homestack story says is hitting a wall.
The three names the promo actually names
The promotion’s three supply-chain picks do not include any REIT. nVent Electric (NVT) makes enclosures and housings, with data centers near 40% of revenue. Generac Holdings (GNRC) is the home-energy name, with a roughly $700 million data-center backup-power backlog. Vistra Corp. (VST) is the Texas power producer with purchase agreements with Amazon and Meta.
None of these is a pure landlord, but all three sit adjacent to the same demand that fills REIT buildings. For a fuller view of the supply side, our look at the data center stocks behind the AI Black Paper pitch covers the equipment makers, and our breakdown of the Frontier AI buildout tracks the facilities themselves.
The valuation question for landlords
Data center REITs do not trade like the equipment makers in the same story. Because they are required to distribute most of their taxable income, they are valued more like income assets, on a multiple of the cash flow they generate from rent rather than on a multiple of earnings growth. That changes the risk profile. A REIT is steadier than a chip maker, but it will rarely deliver the same kind of price appreciation in a boom.
The trade-off is worth stating plainly. If the AI buildout keeps accelerating, the equipment names and the power producers tend to capture more of the upside, because their earnings can grow faster. If the buildout stalls, the REIT’s long leases and contracted rent provide a cushion that a cyclical supplier does not have. Investors who want the income and the downside protection lean toward the landlords, while those who want the growth lean toward the suppliers.
That is why the Homestacks promotion’s three picks, nVent Electric (NVT), Generac Holdings (GNRC), and Vistra Corp. (VST), are none of them REITs. They are the growth-oriented layer of the same theme, and the promo is betting that the buildout keeps running. Our companion piece on data center REITs goes deeper on the landlord model itself.
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