CoreWeave‘s €2 billion European bond debut attracted an orderbook of more than €7 billion across more than 200 line items, as euro-focused accounts rushed to gain exposure to the AI fundraising blitz that has propelled the dollar market to its fastest pace since 2021.
The six-year bonds, which cleared at 8.5% alongside a $1.25 billion piece at 9.625%, generated what sources say is the largest orderbook for a European high-yield deal this year, eclipsing SoftBank’s orderbook for its $3.4 billion-equivalent euro and dollar six-part deal in April.
“It’s fair to draw parallels between the AI funding boom and the dot-com era, when companies were piling money into cable, fiber and telecoms,” said a source familiar with the deal. “CoreWeave has finally brought the kind of paper that the European market has been crying out for.”
Following a one-day roadshow with European investors on Tuesday, the Nasdaq-listed cloud infrastructure group on Thursday launched a $3.5 billion-equivalent two-part six-year senior unsecured bond offering with IPTs set at high 9% for the dollars and high 8% for the euros. The bonds then cleared at the tight end of 9.75% area talk on the dollars and 8.50-8.75% talk for the euros, with the €2 billion euro tranche representing the largest high-yield deal issued in euros since Wind Tre‘s record-breaking 2017 refinancing and the largest fixed-rate tranche on record.
But investors hoping that CoreWeave’s near record-breaking deal could signal that AI cloud providers could rival telecoms, traditionally the cornerstone of European high yield, as a core sector for the euro market are likely to be disappointed. “I wouldn’t expect the floodgates to open,” said a European banker about the prospect for new euro-denominated deals for high-yield-rated cloud providers and data center owners. “The rest of the world is catching up to the US, but cloud contracts and asset-level financing are all denominated in dollars.”
That said, supply is building. The CoreWeave transaction follows a Nordic high-yield bond offering for PolarDC, which tapped the market last month to fund the construction of two new data centers in Norway and to refinance debt on a third that is already operational. The record-breaking deal for the Nordic market has moved to a 101.4/102 context since pricing at par in May.
CoreWeave, which rents out the computers needed to build and run AI systems, gives European high-yield investors a rare chance to gain exposure to the AI fundraising boom that has propelled US dollar primary markets to their fastest pace since 2021. The New Jersey-based group was founded less than a decade ago but in 2025 posted $5.13 billion in revenue, up 170% on the prior year as unprecedented demand from AI developers made it the fastest cloud provider in history to reach $5 billion in annual sales.
Meeting the relentless demand from hyperscalers such as Microsoft and Meta, and AI groups like Anthropic, has required a tremendous amount of new capital. CoreWeave has raised $17.35 billion in new debt and $3 billion in equity this year alone. For unsecured bond investors, CoreWeave represents a different risk profile than both PolarDC and the data center owners that have been responsible for a lot of the AI-related deal flow in the dollar high-yield market.
“I see CoreWeave as the most aggressive way to play the theme and prefer to be in the data center deals,” said a European high-yield investor, referring to the fact that data center owners hold hard assets that retain their value regardless of what happens to AI chip technology. “But demand is insatiable and CoreWeave benefits from strong access to the latest chips and offers efficiency improvements with their software layer.”
Another factor that has enhanced CoreWeave’s credit profile is the fact that its graphics processing units — which the bulk of this year’s financings have supported the purchase of — have proved to have a longer useful life than some investors had feared. Moody’s estimates that the chips CoreWeave buys from Nvidia will be useful for six years before they are fully written off on its accounts. CoreWeave itself says inference workloads — running AI models rather than building them — overtook training as a share of its compute demand in the first quarter of this year, a development that means older generation chips can remain economically productive well beyond what the most cautious investors had assumed.
The steep 8.5% yield CoreWeave paid for its euro unsecured bond debut reflects both its structural subordination to $16.7 billion of secured debt, and the risk that long-term data center lease commitments could outlast demand for the computing power housed inside them.
“It’s the fact that they lease a data center for 15 years but then rent it to a tenant for five years, which is a tail risk in terms of a maturity mismatch with the bonds,” said an investor whose firm has invested higher up the stack in CoreWeave’s secured term loans but declined to invest in the new unsecured paper. “It’s a draconian scenario, but if technology moves on and the space isn’t needed, as an unsecured creditor, you’re left with a big empty space.”
CoreWeave is rated B+/Ba3/BB- and finances the bulk of its operations at the asset level. Its unsecured debt is rated B/B1/BB-. The group’s broadly syndicated loans are rated Ba2/BB+, and make up a portion of CoreWeave’s $16.7 billion of secured debt, most of which is asset-level debt issued at SPVs.
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