In just six weeks, CoreWeave has shed roughly 300 billion Swedish kronor (≈$33 billion) in market value—a staggering collapse that reflects deepening investor scepticism about the sustainability of AI-driven valuations, aggressive leverage, and execution risk in the hyperscale data centre race. For Nordic readers, the story hits closer to home: CoreWeave’s co-founder and CTO, Peter Salanki, is Swedish, and his company’s trajectory has become a cautionary tale echoing through Stockholm’s boardrooms and venture circles.
The Collapse in Context
CoreWeave’s stock has plummeted 60% since its June peak of $187, now trading near $67. Its market cap—once heralded as a symbol of AI’s unstoppable ascent—has been nearly halved. But this isn’t just another tech correction. It’s a structural reckoning with a business model built on three precarious pillars: debt-fuelled expansion, concentrated customer reliance, and valuation expectations untethered from near-term profitability.
What Triggered the Sell-Off?
The unravelling began with a cascade of interrelated setbacks:
- Failed Merger with Core Scientific: The collapse of CoreWeave’s planned merger with bankrupt crypto miner Core Scientific wasn’t merely a strategic setback—it undermined the company’s core narrative of vertical integration and rapid scale. Investors had been sold on a vision of synergistic infrastructure; instead, they saw a deal collapse amid due diligence red flags and misaligned incentives.
- Jim Chanos Enters the Fray: The famed short-seller—best known for exposing Enron—publicly eviscerated CoreWeave’s financial engineering, calling its arrangements “circular” and questioning whether GPU-backed loans masked deeper liquidity risks. His intervention amplified existing doubts and catalysed institutional selling.
- Operational Stumbles: Severe storms in northern Texas delayed construction of a flagship data centre critical to fulfilling commitments to OpenAI—a marquee client. Worse, CoreWeave’s shifting explanations for the delays eroded management credibility at a time when transparency was paramount.
Underlying Fundamentals: Debt, Losses, and a Stretch Valuation
Beyond headlines, the numbers tell a concerning story:
- Capital intensity: CoreWeave is building AI data centers at a breakneck pace, financed heavily through construction loans and debt, often using Nvidia GPUs as collateral—a risky practice if GPU valuations soften or resale markets dry up.
- Soaring costs: Operating expenses have multiplied several-fold year-over-year, yet the company remains deeply unprofitable.
- Valuation disconnects: Even after the sell-off, CoreWeave trades at over 7x projected 2025 revenue—a premium that assumes flawless execution and uninterrupted AI demand growth. In today’s higher-rate environment, such multiples are increasingly scrutinized.
CoreWeave as a Canary in the AI Coal Mine
For global markets—and particularly Nordic investors eyeing AI infrastructure plays—CoreWeave’s stumble is more than a company-specific crisis. It’s a stress test for the entire AI infrastructure boom.
CoreWeave had been positioned as a poster child of the AI era, boasting a multi-billion-dollar backlog from hyperscalers like Microsoft, Meta, and OpenAI. But when management trimmed guidance and missed milestones, it exposed how much speculative optimism was baked into its valuation. Analysts now point to a troubling pattern: concentrated revenue streams, leveraged balance sheets, and circular financing arrangements that may not withstand economic headwinds or AI adoption slowdowns.
This doesn’t mean AI demand is faltering—far from it. But CoreWeave’s experience underscores a critical distinction: strong end-market demand does not guarantee profitable or sustainable infrastructure plays, especially when built on financial leverage and execution timelines that leave little margin for error.
Current Status: No Easy Fixes
As of mid-December 2025:
CoreWeave’s market cap hovers around $33–34 billion.
- Management insists long-term AI tailwinds remain intact and targets profitability by 2027 through improved GPU utilisation and scale efficiencies.
- However, analyst sentiment is deeply divided. Bulls cite the company’s strategic partnerships and first-mover advantage in AI-optimised cloud; bears highlight customer concentration risk (reportedly over 50% of revenue tied to three clients), debt maturity walls, and the absence of a clear contingency plan.
No rescue deal or strategic pivot has emerged since the Core Scientific collapse. The market is now watching three key indicators:
1. Progress on delayed Texas and European data centres
2. Clarity on 2026–2027 revenue guidance
3. Potential equity or debt raises—which could further dilute shareholders or strain already-fragile leverage ratios.
A Nordic Perspective: Lessons Beyond the U.S. Hype Cycle
For Sweden and the broader Nordic region, CoreWeave’s turbulence carries symbolic and strategic weight. Peter Salanki’s role as co-founder reminds us that Nordic talent is deeply embedded in the global AI race—but also that local stakeholders are exposed to the volatility of U.S.-centric tech narratives.
Swedish business media have explicitly tied CoreWeave’s 300 billion kronor valuation loss to broader unease about the debt-fuelled AI data centre boom. As Nordic investors and policymakers consider their own AI infrastructure strategies—whether through sovereign cloud initiatives, green data centres, or venture allocations—they would do well to ask:
Are we investing in sustainable capacity—or speculative momentum?
CoreWeave isn’t necessarily doomed. The AI infrastructure need is real, and its partnerships remain formidable. But its sharp correction serves as a sobering reminder: in the race to build the rails of the AI economy, speed without financial discipline can be a path to ruin.
For Nordic investors, the lesson is clear: back the technology, but scrutinise the balance sheet.