On August 20, Nebius Group (NASDAQ:NBIS) confirmed what had already rattled its stock a day earlier: a $5 billion convertible bond offering that ranks among the largest in recent corporate history. The company increased the deal from an initial $4.5 billion late Wednesday, and the total could still grow to $5.75 billion if buyers exercise every option attached. Nebius says the sheer size of the raise is proof of how much demand exists for its AI computing capacity. The stock’s reaction, a sharp drop over two sessions, tells a more complicated story.
Bull Case: Betting On Insatiable Demand
Nebius chief communications officer Tom Blackwell summed up the pitch bluntly: “We know that everything we build, we can sell several times over.” That is not just talk. Nebius sells AI computing power to customers that include Meta and Microsoft, and its results back the claim that the shortage is real rather than temporary. Second quarter sales surged 454% year over year to $582 million (a 5.5-fold increase), topping analyst estimates as the company continued expanding its data center footprint throughout the year.
Wall Street expects the pace to keep climbing, with forecasts calling for 446% revenue growth in the third quarter and 526% in the fourth. Nvidia, whose GPUs power Nebius’s data centers, holds a roughly 9.3% stake in the company, a sign of confidence from the chipmaker sitting at the center of the AI buildout. All of that has fueled one of the market’s wildest rides this year. Nebius shares have climbed more than 220% year to date and jumped over 40% in just the past few weeks, largely on the strength of that second quarter report. Investors betting on Nebius right now are underwriting the growth story first and worrying about the bottom line later.
The Cost Of Growing Fast
The dilution math is what actually moved the stock. Alongside the convertible note offering on Wednesday, Nebius disclosed a deal to swap $800 million of previously issued convertible notes for 15.8 million new shares, diluting existing holders by roughly 5.5%. Layered onto the size of the new offering, that news sent shares down as much as 14% intraday on Wednesday before they closed down 10.03% at $223.51, with trading volume swelling to 48.8 million shares, about 129% above its three-month average of 21.3 million. Shares extended the slide into Thursday, falling another 1.7% to $220.10. This is Nebius’s third capital raise this year, and its total convertible debt now stands around $12 billion.
The spending matches the borrowing: capital expenditures hit $5.7 billion in a single quarter, and Nebius posted a net loss of $190 million even as revenue surged. None of that cash has turned into profit yet, and some analysts see an uncomfortable parallel to the broader capex race among the biggest AI infrastructure spenders, questioning how long the financing can keep pace with the building before something has to give.
A Market Split Down The Middle
Hedge fund ownership of Nebius rose to 60 funds in the most recent quarter from 54 previously, pointing to institutions adding exposure even through the volatility. Short sellers see it differently, and heavily so: 27.60% of the float is sold short, a level that signals a substantial bear camp positioned against the stock. This combination is the kind of setup that can send a stock sharply higher on good news or sharply lower if growth disappoints.
What The Next Quarter Decides
Nebius has turned fundraising into a near-constant event this year, and each time the market has to decide whether that reflects strength or strain. The bull case rests on demand still outrunning supply badly enough that a $5 billion bond sells easily and gets upsized along the way. The bear case rests on a debt load and dilution pattern that is growing just as fast as the revenue meant to justify it. For the growth story to win out, that 454% revenue growth pace needs to hold up long enough to make today’s spending look prescient rather than reckless.
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