Palantir CEO Alex Karp attends an event at Carnegie Mellon University in Pittsburgh, Pennsylvania, on July 15, 2025.


Michael Burry, the famed investor behind “The Big Short,” is betting synthetic intelligence is extra of a bubble than a revolution.

Burry’s fund, Scion Asset Management, disclosed on Monday that it purchased places — bets that share costs will fall — on two stars of the AI wave: Nvidia (NVDA) and Palantir (PLTR). Scion purchased roughly $187.6 million in places on Nvidia and $912 million in places on Palantir, in line with Securities and Exchange Commission filings.

Burry is recognized for his prophetic name that the US housing market would collapse in 2008. He was profiled within the 2010 e-book “The Big Short: Inside the Doomsday Machine,” by Michael Lewis, and portrayed by Christian Bale within the 2015 movie adaptation.

Now Burry is betting in opposition to the most well liked AI shares available on the market at a time when issues are mounting a couple of bubble. Tech and AI shares have carried the market in current months. The S&P 500, which is more and more concentrated in tech firms, is buying and selling at traditionally costly ranges.

Meanwhile, the circular financing of AI offers has raised eyebrows on Wall Street, with many tech firms entwined in a massive net of offers with one another. Some traders are additionally skeptical whether or not future revenue development will proceed to justify the big quantities of spending going down.

The tech-heavy Nasdaq Composite tumbled 2.04% on Tuesday, posting its worst day since August. Meanwhile, the S&P 500 fell 1.17%.

Burry made a splash amongst traders on Thursday, when he posted on X for the primary time since 2023. In his publish, he shared a photograph of Bale portraying him in “The Big Short” and wrote: “Sometimes, we see bubbles. Sometimes, there is something to do about it. Sometimes, the only winning move is not to play.”

Four days later, Burry’s fund disclosed its bearish positions in Nvidia and Palantir. The SEC filings are for the third quarter of this yr. Scion Asset Management didn’t reply to a request for remark.

Angelo Zino, a tech analyst at CFRA Research, stated a pullback in tech shares was overdue, given how far they’ve rallied in current months. He stated Burry’s feedback doubtless exacerbated issues.

Burry has made public calls concerning the market within the years since “The Big Short.” He has not all the time been appropriate. The hedge fund supervisor in January 2023 infamously posted on X, “Sell,” earlier than posting two months later, “I was wrong to say sell.”

Nonetheless, his phrases carry weight on Wall Street.

Burry’s return to social media comes at a time when traders have voiced issues about costly valuations, a market targeting a handful of enormous firms and rising investor expectations.

For instance, Palantir beat Wall Street forecasts in earnings reported Monday. Yet it wasn’t sufficient to impress merchants after a sequence of sturdy earnings outcomes.

On Tuesday, its shares tumbled 7.95% — their worst day since August.

Palantir was the highest performing inventory within the S&P 500 in 2024 and is within the prime 5 performing shares this yr. Its shares are nonetheless up 152% this yr.

The firm’s earnings outcomes on Monday had been “stellar,” in line with CFRA Research’s Zino, however the firm’s valuation — a measure of how dear it is — “is a bit extreme.”

“Despite the great results, when you coincide that with the comments that Michael Burry made and everybody already talking about concerns about an AI bubble, I think the combination of those factors really helped drive a pullback in the shares, the broader tech index and as a result the broader markets,” Zino stated. “We’re not overly concerned about the pullback, but I would say it’s one of those situations where you’ve got to keep an eye on it.”

Meanwhile, Nvidia shares fell 3.96% on Tuesday. Shares are nonetheless up 48% this yr.

Alex Karp, CEO at Palantir, informed CNBC on Tuesday that individuals betting in opposition to the corporate — together with Burry — are “crazy.”

“When I hear short sellers attacking what I believe is clearly the most important software company in America, therefore in the world, in terms of our impact, … it just is super triggering,” Karp stated.

“It’s crazy motivating,” Karp stated. “Every time they short us, we are just like tripling down on getting the better numbers, in part honestly, to make them poorer.”

Palantir CEO Alex Karp attends an event at Carnegie Mellon University in Pittsburgh, Pennsylvania, on July 15, 2025.