SoftBank's AI Push Carries a Double Price Tag as Funding Costs and Sourcing Write-Down Bite
Published on 11/11/2026 at 03:31 | Editorial boerse-global.de
SoftBank's artificial-intelligence buildout is now squeezing the group from two directions at once. Fresh quarterly figures released in Tokyo show financing costs of 461.9 billion yen for the July-to-September 2026 period — more than double the year-earlier level, according to Reuters — while a revamped procurement plan for US data-center projects has saddled the balance sheet with a $3.7 billion write-down. Together they drove a net loss of 1.12 trillion yen, and the stock came under heavy selling pressure in Tokyo following publication.
The twin drags frame the central question for shareholders: how quickly can SoftBank's sprawling wagers on OpenAI and the infrastructure behind it start generating returns that outrun the cost of carrying them?
Borrowing at Record Pace
SoftBank raised $56.5 billion during the quarter, a record haul for the group. That firepower strengthens its room to maneuver, provided the stakes and projects it funds justify the added expense. On the group's own yardstick, the ratio of net debt to portfolio value stood at 15.9% at the end of September, comfortably below its internal stability threshold of 25% — evidence of a remaining financing buffer, though the climb in funding costs shows what that headroom costs.
The cumulative outlay on OpenAI has reached $64.6 billion, giving SoftBank roughly a 13% stake and tying the conglomerate's fortunes tightly to the AI developer. A quarterly loss of 81.6 billion yen at the Vision Fund added to the pressure.
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Revenue, at least, moved in the right direction: sales for the quarter came in at 2.22 trillion yen, up from 1.92 trillion yen a year earlier. A broader operating base helps, but it only reliably supports the expansion once earnings can absorb the extra financing burden.
Ohio Project Stays, Terms Get Reviewed
The write-down stems from prepayments on power-generation facilities as well as costs tied to contract changes and unwinding arrangements. Among the affected ventures is the data-center project in Pike County, Ohio — which, according to finance chief Yoshimitsu Goto, will not be scaled down. The procurement strategy, he said, is being thoroughly reviewed.
Details of the spending lay out why the pivot is expensive. SoftBank subsidiary Silver Bands 7 paid a total of $9.5 billion for manufacturing capacity and power-generation equipment between fiscal 2025 and September 2026. Of that, $6.6 billion was earmarked for purchases, while $2.9 billion went to non-refundable deposits. Because a substantial share of the payments cannot be recovered when plans change, the episode casts doubt on the group's prior purchasing practice. How SoftBank aligns future equipment buys with project timelines will determine whether the burden grows further.
Some relief may come from discounts of up to $2.1 billion on future equipment purchases spread over ten years — but they hinge on additional buying and further conditions, and the usable amount was still undetermined at the end of September.
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Musk Spat and Timeline Risk
Goto also pushed back on Elon Musk's claim that the company is behind schedule on turbine orders. Even so, SoftBank has flagged delays on US projects as a possible scenario, leaving the timetable — alongside procurement — as a risk factor. The executive remains upbeat on the long-term potential of data centers.
For investors, the verdict now turns on two tests: whether SoftBank can stabilize its revised sourcing arrangements and lock in a dependable cost base for its infrastructure plans, and whether the returns from its AI holdings can outpace the mounting expense of financing them. Until both answers are clear, the multibillion-dollar write-down and the heavier funding load remain concrete drags on the AI strategy.
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