Ken Griffin

Citadel LLC founder Ken Griffin says the quickest way to know whether you're in the right job is to ask if you still crack open the textbooks. What Happened: "Stay current in the body of knowledge that represents the career you've chosen," he told S&P Global's Leaders podcast, released this...

Pershing Square Capital Management CEO Bill Ackman launched a scathing attack on Sen. Chuck Schumer (D-N.Y.) on Wednesday over his endorsement of Zohran Mamdani, the progressive Democrat who won New York City’s mayoral primary. What Happened: The hedge fund manager denied reports...

Citadel LLC. founder Ken Griffin told the hedge fund's 300 incoming summer interns that investors who "go on defense" during market turmoil almost always lose money, and he advised them to park cash rather than crowd into so-called safe trades. What Happened: "In finance, when you're playing...

Citadel founder and CEO Ken Griffin slammed the Trump administration for pushing the economy towards a stagflation scenario.   What Happened: Asked about the GOP reconciliation bill at the Forbes Iconoclast Summit on Thursday, Griffin observed that "there’s a lot of question marks in the bill...

Billionaires Ken Griffin, Steve Cohen, and Izzy Englander are used to setting the pace on Wall Street. But in May, their flagship hedge funds were quietly outclassed — not by each other, but by a scrappy group of lesser-known rivals who are suddenly the ones posting scoreboard-worthy returns. The...

UnitedHealth Group Inc. (NYSE:UNH) is officially in the technical doghouse. The healthcare titan just plunged to its most oversold level on both the weekly and monthly charts since the 2008 financial crisis, according to Barchart. The stock has cratered 42% year-to-date, and a staggering 30% in...

Citadel CEO Ken Griffin says the secret to building any enterprise boils down to one blunt commandment: learn to sell. What Happened: Speaking to MBA candidates at Stanford University's Graduate School of Business, the billionaire hedge-fund founder recalled visiting an early backer and spotting a...

Citadel CEO Ken Griffin is donating $15 million and lending his rare first editions of the U.S. Constitution and Bill of Rights to Philadelphia’s National Constitution Center ahead of America’s 250th anniversary celebration. What Happened: The hedge fund billionaire’s gift...

Citadel founder Ken Griffin is sounding the alarm on President Donald Trump‘s tariff policies, warning they have “unleashed an era of crony capitalism” where the government picks “winners and losers” in the economy. What Happened: “Tariffs open the doors to crony...

Editor’s note: This article has been updated to remove a reference to Ken Griffin’s political affiliations. Ken Griffin, founder of hedge‑fund giant Citadel LLC, told Stanford business students that career growth hinges on surrounding oneself with sharper minds, not basking as "the...

Ken Griffin, founder of Citadel hedge fund, has expressed concern over the swift contraction of the market and the deterioration of the U.S.’s global financial standing, attributing these issues to the ongoing trade war. What Happened: Griffin, who is at the helm of the $65 billion hedge fund...

Tempus AI Inc. (NASDAQ:TEM), an artificial intelligence-powered precision medicine solutions provider, which was listed on exchanges in June 2024 has seen major funds investing in the company during the fourth quarter of the year. What Happened: Tempus AI provides a two-pronged approach to...

Billionaire investor, Ken Griffin’s hedge fund, Citadel Advisors LLC slashed its stake in the S&P 500’s top-performing stock of 2024, but the position still grew 77% in value during the fourth quarter. Citadel also adjusted its investments in the ‘Magnificent 7’...

Big billion-dollar funds increased their stakes in GameStop Corp. (NYSE:GME) during the fourth quarter of 2024, following a third quarter in which it held $4.616 billion in cash and cash equivalents. This comes as recent reports suggest the video game retailer is planning to buy Bitcoin (CRYPTO:...

Ken Griffin's hedge fund Citadel has placed a £305 million ($390 million) short bet against GSK PLC (NYSE:GSK), marking the largest wager against the UK pharma giant in over a decade, reported the Financial Times. The position, disclosed to the UK's Financial Conduct Authority, amounts to 0.51% of...