
Lambda's $14.5 billion round and the Anthropic backlog
A letter to Lambda's investors puts its backlog at $50 billion, 70% of it Anthropic. The $1.9 billion of rated debt Lambda has announced describes investment-grade offtakers, a different credit from the order behind the $14.5 billion price.
Blackstone and Coatue are leading what Lambda calls its final private round, up to $4 billion at a $14.5 billion valuation before the new money goes in. The price rests on a backlog that grew from $15 billion in June to $50 billion in September, and a letter to limited partners attributes most of the jump to a single $35 billion commitment from Anthropic. Management is targeting an IPO in 2027, subject to market conditions.
Investors will read the round as a bet on neocloud demand. It is a bet on a financing structure Lambda has so far proved only for other customers. The $1.9 billion of debt it has announced across two facilities is rated investment grade and rests on investment-grade offtakers, and neither release names Anthropic. The order behind the valuation has to be financed before it can be delivered, and the first test is a facility nobody has announced yet.
Thirty-five billion dollars is 70% of fifty. Take Anthropic out and the rest of the book is $15 billion, the same as the entire backlog in June. Backlog shrinks as capacity ships, so a flat remainder means Lambda replaced what it delivered, which is healthy. Lambda also announced a multibillion-dollar, multiyear Microsoft agreement for tens of thousands of Nvidia GPUs last November. Still, the growth that moved the valuation is one counterparty.
The price moved with it. November's round raised $1.5 billion at a $5.9 billion post-money valuation, according to company announcements. The new pre-money figure is about 2.5 times that, and if the full $4 billion arrives the post-money value would be $18.5 billion, a little over three times in under a year.
Lambda's debt shows what lenders have been willing to do. The $926 million term loan B, announced Aug. 27, pays SOFR plus 3.00%, was issued at 99.5, matures Dec. 31, 2030 and is secured by GPU servers and the cash flows they generate. It funds hardware for one committed deployment for an investment-grade customer, and Moody's rated it Baa2. Chief executive Michel Combes said the rating showed that "AI infrastructure has arrived as an investable asset class." The $1.008 billion delayed-draw facility, announced Oct. 1, carries a fixed 6.78% coupon, matures May 30, 2033 and amortizes fully. Money is drawn as clusters are commissioned, so Lambda borrows against capacity that is already in service. Moody's rated it Baa1 and Morningstar DBRS A (low). It supports three committed deployments with two investment-grade offtakers.
Amortization is the detail that matters. A fully amortizing loan is repaid from the customer's contracted payments, and chips lose value too quickly to serve as the repayment source. In structures like these the buyer's promise to pay carries the rating more than the hardware does. That is why both releases lead with the offtakers' credit quality, and why a lender cannot treat a GPU as collateral the way it treats a building.
Equity absorbs what lenders decline: the part of each cluster the loan does not cover, the cost of standing up capacity before payments begin, and the shortfall if a site or customer slips. Four billion dollars looks large next to those two facilities and small next to a $35 billion order. A commitment of that size is revenue over its term, so it cannot be compared with construction cost one for one. The scale still tells you that debt must carry most of the build, and that the lenders will be accepting the Anthropic payment obligation as the source of repayment.
The chain of obligations is also longer. The Journal reported in August that the Anthropic capacity sits in a Texas facility Nvidia leased from the bitcoin miner and data-center developer Hut8, with Anthropic renting Nvidia chips from Lambda there. A lender looking at that structure has a landlord, a chip supplier, an operator and a customer to underwrite, and each can shift the rating. The deal can still work. The cost is slow diligence, and slow diligence is expensive when a delayed-draw schedule follows commissioning milestones and idle clusters earn nothing.
The best argument against all this is that Blackstone and Coatue are among the most active investors in AI and data-center infrastructure, and a lead investor that size can bring a lender or become one. A customer with a $35 billion commitment is also hardly a doubtful credit. Both points are fair. They are reasons to expect a facility, though, and a facility behaves differently when the obligor is not investment grade: a lower rating, a higher coupon, a shorter draw schedule or more equity in each cluster. Any of those changes the economics under a $14.5 billion price.
Lambda's pace suggests the test will not wait for the IPO. Chief executive Michel Combes called the October loan the third credit market Lambda has opened in 18 months, and the two facilities closed five weeks apart. Lambda should announce a third secured facility by the end of March 2027, large enough to cover Anthropic capacity. If its release again leads with an investment-grade offtaker and a Moody's rating, the valuation has found its financing. If the rating, coupon or customer description changes, the Anthropic order carries a different credit price than the first two facilities did. Anyone pricing the eventual IPO should anchor on the payment obligation behind each commissioned cluster, since the chip count says little about it.