Jamie Dimon just joined Ken Griffin in warning that taxes could curb expansion plans

Tech Insider : Business, Economy, Politics
Ken Griffin and Jamie Dimon
Ken Griffin and Jamie Dimon have said they might reconsider building projects.

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Billionaire Ken Griffin: Zohran Mamdani's tax-the-rich video outside my apartment was 'creepy and weird'

Tech Insider : Business, Politics, Technology
Ken Griffin speaks in a black suit
Ken Griffin is one of the biggest donors to the Republican Party.

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Ken Griffin's deputy calls Zohran Mamdani's targeting of the billionaire 'shameful' in a companywide memo

Tech Insider : Business, Politics
Ken Griffin speaks on stage in a black suit
Billionaire Ken Griffin is one of the biggest donors to the Republican Party.

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Penthouse pieds-à-terre: Bezos, Trump, and other billionaires facing Mamdani's proposed tax

Tech Insider : Politics, Economy, Economy
Bezos, Mamdani
Jeff Bezos would be among the many billionaires impacted by a proposed pied-à-terre tax backed by Mayor Zohran Mamdani.

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Some hedge funds are expanding in Miami — but its share of prized portfolio managers has fallen

Tech Insider : Business
Miami brickell skyline
Miami has been working to become a magnet for Wall Street and tech companies.

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Hedge funds' Q1 scoreboard: See what big names slid and who held their ground in March's market shakeout

Tech Insider : Business, Environment, Style
Balyasny Griffin Englander
Hedge fund founders Dmitry Balyasny, Ken Griffin, and Izzy Englander.

Balyasny; Krisztian Bocsi/Bloomberg via Getty Images;Phil McCarten/Reuters

Millennium hires one of Citadel's longtime stockpickers

Tech Insider : Business
Izzy Englander speaks at an event.
Izzy Englander's Millennium has launched two internship schemes to build out the firm's pipeline.

Phil McCarten/Reuters

Citadel and Point72 posted gains in a choppy February as Balyasny and Jain Global slipped

Tech Insider : Business, Style
Ken Griffin smiles in a dark suit on stage
Ken Griffin's Citadel was up in February, according to a person close to the firm.

Denis Balibouse/Reuters

California's billionaires are moving to Miami. We mapped out where they are buying.

Tech Insider : Economy, Business, Style
aerial of biscayne bay
Real estate on Indian Creek and Allison Island — both in the Biscayne Bay — has reached new highs as California billionaires flock to Miami.

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Here's how hedge funds like Citadel, Point72, and Millennium performed in January

Tech Insider : Business, Style
Citadel CEO Ken Griffin speaks on a panel in a suit and tie.
Citadel founder Ken Griffin runs the most profitable hedge fund of all time.

Fabrice COFFRINI / AFP via Getty Images

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