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Klarman warns of AI bubble: Steers clear of OpenAI and Anthropic, calls missing Palantir biggest regret

Reported by Opalesque
Jun 15, 2026· 2 min read
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Key Takeaways
  • • Seth Klarman, founder of Baupost Group and veteran investor with a 44-year track record featuring only five losing years, publicly warned that artificial intelligence investments display clear bubble characteristics in a recent CNBC interview.
  • • Klarman explicitly refuses to deploy capital in large language model companies, specifically naming OpenAI and Anthropic as investments he will not make.
  • • The legendary investor identified his failure to invest in Palantir Technologies as his biggest regret, signaling selective opportunism in the technology sector despite broader AI skepticism.
  • • Klarman's cautionary stance reflects institutional investor concerns about valuation excesses in AI-focused companies, even as the sector continues to attract significant capital from venture and growth-stage investors.
Summary
Seth Klarman, the prominent founder and manager of Baupost Group, has issued a direct warning about the current state of artificial intelligence investing. In remarks made during a recent CNBC interview, Klarman characterized the prevailing investment enthusiasm around AI as exhibiting bubble-like qualities, raising concerns about unsustainable valuations and speculative fervor in the sector.

The veteran investor's skepticism is notably selective. While Klarman refuses to invest in large language model companies—explicitly citing OpenAI and Anthropic as examples of firms he will avoid—his commentary reveals nuance in his technology sector assessment. Baupost's deliberate underweight in frontier AI models contrasts with his acknowledgment that Palantir Technologies represents his most significant missed opportunity, indicating he views certain AI-adjacent opportunities differently than pure-play generative AI bets.

Klarman's 44-year tenure managing Baupost Group, during which the firm has posted only five losing years, lends considerable credibility to his market warnings. His disciplined, contrarian approach has historically positioned Baupost to capitalize on market dislocations while avoiding euphoric investment cycles. The current commentary reflects this philosophy: maintaining conviction that certain AI subsectors are overvalued while remaining open to opportunities in adjacent areas with stronger fundamental underpinnings.

This positions Klarman alongside other institutional voices questioning AI valuations while the broader investment community continues aggressive capital deployment into the sector. His public stance may signal shifting sentiment among sophisticated institutional investors regarding the sustainability of current AI-company valuations, though the market continues to absorb substantial venture and growth equity capital into the space.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Opalesque Klarman warns of AI bubble: Steers clear of OpenAI and Anthropic, calls missing Palantir biggest regret