Anthropic CEO Dario Amodei is putting serious money on the table. In an SEC filing published Monday, Anthropic tied its future rent and operations to a two-decade Justified Data campus lease with TeraWulf, which is expected to deliver $19 billion in contracted revenues over the next 20 years. The twist: Anthropic “hasn’t actually turned a profit” yet. Still, its plan is to keep operating even through an AI bubble burst, or at least that is what the company believes and what it (probably) wants prospective investors to hear as it heads toward an upcoming IPO.

The $19 billion figure is not just theory, but it is also not ready cashflow yet. The 401-megawatt facility “isn’t working yet.” TeraWulf expects to commence limited operations in the second half of 2027, with completion sometime the following year. Datacenters have a front-loaded build cost and then an expensive rhythm of power, shell, thermal management, compute, and networking. The source breaks it down plainly: approximately half the cost of bringing up the datacenter goes to power, shell, and thermal management systems, with the rest going to compute and networking.

That setup matters because it links two very different things. First, Anthropic is taking on a long lease commitment while also needing to fill the facility with compute. Second, the lease does not just require physical infrastructure, it requires financial continuity. The SEC filing says, “Anthropic’s payment obligations under the Justified Data Campus Lease are expected to be supported by an investment-grade credit.” In plain English, Anthropic’s ability to make rent hinges on its ability to keep securing financing, which in turn depends on capital markets appetite, perceived creditworthiness, and the company’s overall trajectory.

So where does that capital come from? The timeline in the source points directly to an IPO window. Early last month, Anthropic confidentially filed for an IPO. While details remain thin, the company is widely expected to debut on Wall Street this northern autumn or fall. Datacenter build schedules are glacial compared to IPO cycles, and they usually punish companies that miss timing. Anthropic does not have to wait much longer for the next opportunity to raise capital, but it does still have to execute through a period where the market can turn fast.

This is why the lease is such a high-stakes bet. The source frames Anthropic as a company that has “captured hearts, minds, and wallets” but also “spooked the US government,” even though it has not turned a profit. That mix is familiar to anyone following the AI sector: enormous enthusiasm, high expectations, and increasing scrutiny. When regulators and governments are watching, investors often demand more certainty and cleaner risk stories. Meanwhile, datacenter investments like this one force a company to show it can secure compute at scale and pay for it for years, not quarters.

TeraWulf is also financing the commitment in ways that underline the fragility. To finance the Justified Data campus, the company announced it was selling its 50.1 percent stake in the Abernathy Joint Venture to an investment group led by FluidStack. The Abernathy joint venture, established last year, was meant to develop a 168-megawatt datacenter in Abernathy, Texas. TeraWulf is now pulling its $450 million out of that project so it can use that capital to finance additional datacenter builds and bring the Justified Data campus online. That helps fund construction, but it does not remove the underlying dependency: if the AI bubble bursts, Anthropic’s ability to secure the new capital necessary to make rent could evaporate.

And if you are a board member or CFO at another AI infrastructure customer, the second-order lesson is uncomfortable. This kind of lease turns “market confidence” into a balance sheet variable. The source notes this could still put TeraWulf in a precarious position if capital dries up, even if the company’s exposure is “relatively small compared to” the $300 billion Oracle has committed to AI builds. In other words: one company’s risk might be manageable at portfolio scale, but for the specific tenant-credit chain, timing and funding access still matter.

Finally, the source adds that this reality is not unique. It points to “Big Red,” Oracle, sharing a laundry list of risk factors last week, including unbridled enthusiasm for all things AI. Put together, the Anthropic-TeraWulf lease reads like a stress test for the entire AI datacenter ecosystem: who pays when profits lag, who assumes the funding bridge, and how quickly capital markets can shift from runway to wall.