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Nebius's cash surge is customers paying ahead, not profit

Two men in white hard hats walk a muddy site road at dusk beside a long row of tarpaulin-wrapped equipment on pallets. One, in a high-visibility jacket, holds a clipboard and points ahead. Two lines of light run along the row towards a half-built data hall lit in the distance: a warm yellow one holding level and a blue one curving sharply upward. Pine forest and a substation stand behind.
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Operating cash hit $2.25 billion last quarter, up from an outflow, because customers prepaid.

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Seventy percent of last quarter's deals came with cash up front, a record share.

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Building costs ran $5.66 billion versus $2.25 billion coming in last quarter.

Nebius Group Form 6-K, Q2 2026 · SEC EDGAR · Aug 2026

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What changed

Nebius, an Amsterdam company that rents out AI computing power, filed its second quarter report in August. The filing shows revenue rising to $582.3 million from $105.1 million a year earlier, which means far more customers rented capacity.

The line drawing attention is cash. Operating activities brought in $2.25 billion last quarter, up from an outflow a year earlier, because customers paid before their capacity was built.

$2.25B

Cash from operations last quarter. Most of it is customers paying in advance, not profit: the quarter's net loss was $190.4 million.

The surge, named for what it is.Source: Nebius Group Form 6-K, Q2 2026
Building spend$5.66B
Cash from operations$2.25B
Quarterly revenue$582M
Cash in versus building costs, last quarter.Source: Nebius Group Form 6-K, Q2 2026 · Q2 2026 figures from the company's filing
  1. Q2 2025Cash outflow

    Operations consumed cash a year ago.

  2. Q2 2026$2.25B flows in

    70 percent of deals prepaid.

  3. Late 2026Capacity arrives

    Most Q2 deals were signed against it.

  4. 2027+1 GW per year plan

    Delivery becomes the test.

The prepay circle, and when delivery gets tested.Source: Nebius Group Form 6-K, Q2 2026

Why it matters

That money is prepayment, not profit. Nebius says roughly 70 percent of deals closed last quarter carried cash up front, more than any prior quarter. Those prepayments covered 50 to 60 percent of building costs last quarter, less than the full bill, which means debt and share sales fund the rest.

The same report shows a net loss of $190.4 million in the second quarter, a different picture than the cash line, which means the surge is working capital rather than earnings. Taken together, the pattern suggests a circle: customers hand over cash, Nebius converts it into chips, power, and buildings, and revenue arrives later as capacity comes online.

What to watch

Watch the gap between building costs and operating cash. If it narrows while revenue keeps climbing, the model could start funding itself; if capacity lands into softer demand, prepaid contracts would become the risk, because the service is owed at prices set in a tighter market.

Nebius targets 5 gigawatts of contracted power by the end of 2026, up from earlier plans, which means delivery is now the test. Whether demand holds at those prices is not yet known.

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Nebius's cash surge is customers paying ahead, not profit | Morning Byte