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SoftBank's US$5.8bil Nvidia stake sale stirs fresh AI bubble fears

By NST in November 12, 2025 – Reading time 3 minute
SoftBank's US$5.8bil Nvidia stake sale stirs fresh AI bubble fears


NEW YORK: SoftBank Group’s US$5.8 billion sale of its Nvidia stake jolted stock markets on Tuesday, stoking fears that the frenzy around artificial intelligence (AI) may have peaked, especially after recent warnings from Wall Street bank chiefs and a famed short seller.

In its quarterly results, the Japanese tech investor said it had sold all the 32.1 million Nvidia shares it held in October to bankroll chief executive officer (CEO) Masayoshi Son’s sweeping AI push, built around his “all in” bet on ChatGPT creator OpenAI.

SoftBank needs the proceeds for initiatives including the US$500 billion Stargate project to expand US data-centre capacity and as much as US$40 billion in funding pledged to OpenAI, whose financing details were not given with the announcements.

However, the timing of its sale deepened some investor doubts that valuations in the AI industry might have gotten ahead of fundamentals. Nvidia shares were down more than two per cent in early trading, weighing on the benchmark S&P 500 index.

Adding to the jitters was a revenue forecast cut from AI cloud provider CoreWeave over a contract delay that sent its stock down nine per cent.

Drumbeats of an AI bubble have grown louder in recent weeks after Morgan Stanley and Goldman Sachs CEOs warned equities could be heading for a drawdown, while hedge fund manager Michael Burry — known for shorting the US housing market ahead of the 2008 crash — bet against Nvidia and Palantir.

Several analysts said the sale suggested Son — one of tech’s most audacious investors — sees the blistering rally that turned Nvidia into the first US$5 trillion company last month cooling after a more than 1,200 per cent surge in the past three years.

But a few of them pointed to SoftBank’s patchy record managing its Nvidia holdings. The company, by some estimates, missed out on a more than US$100 billion rally in Nvidia shares by selling them off in 2019 before the AI boom took off, only to later buy the chipmaker’s shares again.

“As for timing, cannot say Masayoshi Son has been great with his trading of Nvidia shares,” said C J Muse, senior managing director at Cantor Fitzgerald. “It appears simply resource allocation — finding funds to make bets elsewhere.”

OPENAI FOCUS, SON’S GROWING WARCHEST

Along with the Nvidia share sale, SoftBank sold around US$9.2 billion worth of shares in T-Mobile, providing Son with a larger war chest to stamp his influence on an industry hungry for the capital and chips needed to fund the pursuit of AI technology that can match or surpass human intelligence.

“By cashing in now, he’s securing the capital needed to double down on his conviction in AI applications and the super-scaled infrastructure behind them — OpenAI, Oracle and the Stargate project,” said Michael Ashley Schulman, chief investment officer at Running Point Capital Advisors.

However, the rising bet on OpenAI also ties SoftBank — which has taken massive losses on its Vision Fund investments — closer to the startup at the centre of a series of circular deals that have fuelled worries about an AI bubble.

The Japanese company’s stock, which has surged more than twofold this year, is increasingly being priced based on its exposure to OpenAI. The stock jumped last month on news of a sweeping OpenAI restructuring that freed the startup from its non-profit roots.

The startup is considering a US$1 trillion public listing as soon as next year, which could be a big windfall for investors such as Microsoft and SoftBank, Reuters has reported.

The rising valuation of OpenAI also boosted SoftBank’s second-quarter net profit, which more than doubled.

However, OpenAI has not provided clear details on how it plans to fund its AI infrastructure deals totalling around US$1.4 trillion.

It expects to finish the year with US$20 billion in annual recurring revenue and recently walked back comments on the need for government-backed loans.

“The Vision Fund’s chequered past certainly lends an air of high-stakes poker to this divestment,” Schulman said.

© New Straits Times Press (M) Bhd



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