Shares cratered as Nebius Group announced its second massive convertible-note deal of 2026, raising fresh questions about how much shareholder pain is tolerable in the race to build AI cloud infrastructure. On Wednesday, October 14, Nebius stock was trending down roughly 6% in early trading , extending a multi-day slide that has erased more than 25% from the stock's recent peak near $255. A hotter-than-expected September CPI report — headline inflation rose 0.6% month-over-month and 3.7% year-over-year, beating the 3.6% forecast — added macro fuel to the fire, punishing growth names broadly.
A Second Giant Debt Raise in Six Months Rings Alarm Bells
Nebius is offering $4.5 billion in convertible senior notes in two tranches: $2.75 billion due 2030 and $1.75 billion due 2034. This follows a $4.0 billion convertible deal priced just five months earlier in March. Convertible notes are essentially IOUs that can turn into stock. The more shares that could eventually be created, the smaller each existing investor's slice of the pie becomes.
Existing Noteholders Can Dump Shares Immediately The wrinkle that spooked traders: Nebius expects to exchange a portion of its outstanding older convertible notes for Class A shares. Critically, the company warned that holders receiving those shares "may sell the received shares in the open market," which could pressure the stock price. That is a direct admission of near-term selling risk — unusual in corporate filings and deeply unsettling to momentum-driven holders.
454% Revenue Growth Is Real — but So Is the Cash Burn
Nebius reported Q2 revenue up 454% year-over-year to $582 million, with annualized run-rate revenue hitting $3 billion.
Capital spending, however, reached $5.7 billion in Q2 alone , and full-year capex guidance sits at a staggering $20 billion to $25 billion. That means every dollar of revenue this year requires roughly $6 to $8 in upfront investment. The growth story is legitimate, but financing it demands repeated trips to the capital markets — each one diluting shareholders further.
Insider Selling Adds to the Unease
COO Ophir Nave recently sold 500,000 shares worth about $25 million , and insiders collectively sold roughly 166,616 shares worth approximately $39.75 million over the past 90 days. When executives reduce their own stakes while asking outside investors to absorb dilution, confidence erodes fast. With earnings due around October 22, the next few days will reveal whether Nebius's explosive top line can outrun the cost of funding it.