The trader behind the Beyond Meat short-squeeze shorts three AI stocks

Dimitri Semenikhin, the trader who kicked off last year’s Beyond Meat short squeeze, said on X that he is now betting against three AI infrastructure names: Nebius, Advanced Micro Devices, and Bloom Energy. He argues current valuations embed near-certainty assumptions that demand will keep rising and that compute will require far more power, increasing reliance on hardware.

Semenikhin previously held a long position in Nebius, which provides full-stack AI infrastructure and cloud computing services, but says the stock doesn’t make sense while hype is soaring. All three stocks have climbed sharply in 2026: Nebius is up 167%, AMD has gained 121%, and Bloom Energy has surged 202%.

Bloom, a fuel-cell energy producer, has emerged as a favorite of the AI trade; filings show it is a top holding in the hedge fund founded by former OpenAI researcher Leopold Aschenbrenner, which helped boost its momentum early in the year. Despite AMD beating first-quarter expectations and analysts raising price targets, Semenikhin remains unconvinced.

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