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On Sunday, Pershing Square Capital Management founder Bill Ackman endorsed "The Philosopher in the Valley: Alex Karp, Palantir and the Rise of the Surveillance State," Michael Steinberger's new biography of Alex Karp and Palantir Technologies (NASDAQ:PLTR).
In a post on X, formerly Twitter, Ackman said he found the book to be well-told and revealing. “It was a quick, well-written, and fascinating read… Definitely worth a read,” he wrote.
Ackman added that the book felt unusually straightforward in its depiction of both the CEO and the company. “I am a Karp fan. We need more high-profile people who are unafraid of speaking freely about important issues.”
Karp, whose net worth is pegged at $15.3 billion by the Bloomberg Billionaire Index, co-founded Palantir in 2003 with Peter Thiel and several Stanford technologists.
The company's data-analysis platforms were initially funded by In-Q-Tel, the CIA's venture arm and became widely used across U.S. intelligence and military agencies after 9/11.
Born in New York in 1967 and raised near Philadelphia, Karp grew up in a socially active household and later earned degrees from Haverford College, Stanford Law School and Germany's Goethe University.
Steinberger's book portrays him as an unconventional leader driven by a sense of vulnerability, extreme discipline and an outsider's mindset.
"Fear is something that really drives him," said journalist Steinberger, according to The Guardian.
The biography paints Karp as a fitness-obsessed, highly private executive with a nomadic lifestyle, a fondness for tai chi and cross-country skiing and an unconventional personal life.
Steinberger writes that Karp's quirks are not an act — but core to how he runs Palantir, the report noted
Earlier this month, Palantir reported third-quarter revenue of $1.18 billion, topping analyst expectations of $1.09 billion. The AI software firm also delivered adjusted earnings of 21 cents per share, outperforming the 17 cents per share analysts projected, according to Benzinga Pro.
Palantir shares have surged 105.94% year to date, climbing to $154.85 as of Friday.
Palantir ranks in the 95th percentile for Growth and the 94th percentile for Momentum in Benzinga's Edge Stock Rankings — explore how it stacks up against other stocks here.

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Disclaimer: This content was partially produced with the help of AI tools and was reviewed and published by Benzinga editors.
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Posted In: PLTR