Ken Griffin
Coverage of Ken Griffin in the Nexus archive.
- A multi-millionaire left NYC for 25 years. Now he's back and ready to pay more taxes.
Andrew Tobias, a New York City millionaire and member of the Patriotic Millionaires, supports higher taxes on the wealthy. Mayor Zohran Mamdani's recent tax policies, including a pied-à-terre tax, aim to fund city services but face opposition from some wealthy residents like Citadel's Ken Griffin.
- Ken Griffin celebrates America’s 250th birthday with $26 million gift for new Roosevelt Library built into the Badlands
Ken Griffin donated $26 million for the construction of the carbon-neutral Theodore Roosevelt Presidential Library in Medora, North Dakota. The library, designed by Snøhetta, will open in 2026 to commemorate America’s 250th birthday and honor Roosevelt’s legacy of conservation and leadership.
- Citadel: the hedge fund that became an energy giant
Ken Griffin built Citadel, a commodities empire extending beyond financial trading, emerging from the aftermath of Enron.
- We’ve fallen hard for Team USA coach Mauricio Pocchetino—but a billionaire backer is the country’s real soccer hero
The article highlights Mauricio Pocchetino's role as Team USA coach, crediting his position to the financial support of billionaire Ken Griffin. It also notes that Ken Griffin was referenced in a tax-related video by Mayor Mamdani.
- Ken Griffin urges NYC business leaders to ‘speak up’ against Mamdani: ‘Fight for their city’
Ken Griffin is criticizing New York City Mayor Zohran Mamdani and urging business leaders to speak up against him, while expressing openness to future discussions. Griffin describes Mamdani as a far-left leader and calls for action to 'fight for their city.'
- Ken Griffin’s Billions and Billions
Ken Griffin, a hedge-fund titan, is known for significant spending on properties and political activities. The article highlights his financial influence and expenditures in these areas.
- More than 115K young people applied for internships at Citadel—just 350 interns made the cut, making the acceptance rate a record low of 0.36%
Over 115,900 young professionals applied for Citadel's internship program, resulting in a record-low 0.36% acceptance rate with 350 interns selected. Citadel and its sister firm, Citadel Securities, offer high salaries ($4,300–$5,800 weekly) and real business responsibilities, with most interns likely to receive full-time offers after the 11-week program.
- Ken Griffin's talent machine is getting bigger with its most competitive intern class ever
Citadel and Citadel Securities accepted 0.36% of interns from over 115,900 applicants, forming their largest class of 350 interns. The interns, primarily from technical backgrounds and top universities, include PhD holders and focus on quantitative research, trading, and engineering. The firms emphasize hiring young talent despite AI-driven workforce changes.
- New York’s richest aren’t opening their wallets to stop the left
New York's wealthiest residents are not financially supporting efforts to counter the left's growing political influence, despite recent democratic socialist gains and tax policy disputes. Republicans are struggling to secure funding for key candidates like Bruce Blakeman, as swing districts and moderate Democratic incumbents remain critical in shaping state and national policies.
- Ken Griffin poised to pay extra $1.4M in taxes for NYC properties thanks to Mamdani’s pied-à-terre tax: report
Ken Griffin's New York City property tax bill is set to increase by $1.4 million due to a pied-à-terre tax on luxury second homes. The tax was implemented by Mayor Zohran Mamdani and Gov. Kathy Hochul.
- Bond Trader Bets on Fed Hike Poised for Gut Check From Jobs Data
A bond trader is betting on a Federal Reserve interest rate hike, which will be tested by upcoming jobs data. Vornado Realty Trust's office tower development in New York City for Citadel faces risks due to Mayor Zohran Mamdani's proposed tax changes.
- Citadel Securities Loses Court Fight Over New IEX Options Venue
Citadel Securities lost a court case challenging a new IEX options venue. The firm's first-half net trading revenue fell 35% compared to the previous year's surge, as it competes with major banks.
- New York passes Mamdani's pied-a-terre tax. Here's who pays and how much
New York City has passed a pied-a-terre tax targeting owners of second homes, with Citadel CEO Ken Griffin highlighted as a prominent figure associated with the policy. The tax, proposed by Mayor Zohran Mamdani, aims to address luxury housing ownership and affordability issues.
- Zohran Mamdani reveals embarrassing snub from Ken Griffin - then doubles down on taxing billionaires like Jeff Bezos
Zohran Mamdani disclosed an embarrassing snub from Ken Griffin and reaffirmed his commitment to implementing higher taxes on billionaires, including Jeff Bezos.
- Mamdani avoids question on Ken Griffin, admits no response after trying to walk back attack on the billionaire
New York City Mayor Zohran Mamdani has not received a response from Citadel CEO Ken Griffin after attempting to reconcile over a controversial video criticizing Griffin's Manhattan penthouse. Mamdani proposed a 'pied-à-terre tax' on wealthy property owners, which Griffin called 'creepy and weird,' prompting backlash. Mamdani emphasized his willingness to engage with business leaders to address affordability crises in the city.
- Mamdani admits Ken Griffin ghosted him after viral video — but doubles down on billionaires like Jeff Bezos paying ‘fair share’ of taxes
Mamdani addressed CNN on Tuesday, admitting Ken Griffin avoided him after a viral video but maintained his stance that billionaires like Jeff Bezos should pay higher taxes. He criticized Bezos' argument that increased taxation wouldn't benefit a teacher in Queens.
- Mamdani's Wall Street courtship sparks criticism of anti-billionaire agenda
NYC Mayor Zohran Mamdani is meeting with Wall Street leaders including JPMorgan Chase CEO Jamie Dimon and Goldman Sachs CEO David Solomon, despite his previous anti-billionaire rhetoric and pro-taxation agenda. Critics argue this represents a contradiction in his economic policy, as the city's progressive priorities depend on successful businesses and strong tax revenue. Business leaders and economists warn that aggressive tax-the-rich strategies could discourage investment and worsen the city's economic challenges.
- Mamdani's Wall Street courtship sparks criticism of anti-billionaire agenda
NYC Mayor Zohran Mamdani is meeting with Wall Street leaders including Jamie Dimon and David Solomon after months of criticizing wealthy individuals and pushing higher taxes on corporations. Critics argue this represents a contradiction in his anti-billionaire agenda, with experts warning that aggressive tax policies could discourage investment and harm the city's economy.
- NYC GOP hopeful says Mamdani ‘running city into the ground’ as taxes, crime fears fuel backlash
Republican congressional candidate Caroline Shinkle criticizes NYC Mayor Zohran Mamdani's governance, citing rising crime, taxes, and cost of living as reasons voters should reject progressive politics. Shinkle, running in New York's 12th Congressional District to replace retiring Rep. Jerry Nadler, argues that conservative principles and common sense economics are needed to reverse the city's decline.
- Citadel Securities Added 60 People in Asia, Half in Hong Kong
Citadel Securities has expanded its Asia operations by adding 60 employees, with half of them based in Hong Kong. The firm, founded by Ken Griffin, is working to compete with major banks as its first-half net trading revenue declined 35% from the previous year's volatility-driven gains.
- Jeff Bezos’ mixed bag for Mamdani
Jeff Bezos expressed support for a tax on rich property owners in New York, but criticized Mayor Zohran Mamdani's approach and democratic socialist philosophies. Bezos owns multiple homes in the city worth over $5 million each. He suggested that the focus should be on eliminating taxes altogether for low-income earners.
- Mamdani wants New Yorkers to hate success. That should scare every last one of us
New York City Mayor Zohran Mamdani launched a public war on billionaire Ken Griffin, aiming to turn him into a symbol of everything wrong with the system and teach Americans to hate success. Mamdani called for a new tax on luxury second homes owned by nonresidents outside Griffin's $238 million penthouse. Griffin was singled out because he succeeded too visibly.
- Citadel Tells Some Quant Staff to Relocate From HK or Quit, FT Reports
Citadel Investment Group LLC is relocating some quant staff from Hong Kong, with employees given the option to relocate or quit. The firm, founded by Ken Griffin, has a value of $12 billion. Citadel previously sued former executives over non-competition agreement violations.
- Dallas mayor blasts NYC for ‘punishing success' as he pitches ‘Y’all Street’ to fleeing billionaires
Dallas Mayor Eric Johnson criticizes New York City's leadership for punishing success and pitches Texas as a hub for financial firms, citing lower taxes and fewer regulations. This comes as several financial companies have expanded operations in Texas, drawn by its business-friendly environment. The trend may redraw the map of American finance, influencing job creation and investment.
- Dallas mayor blasts NYC for ‘punishing success' as he pitches ‘Y’all Street’ to fleeing billionaires
Dallas Mayor Eric Johnson criticizes New York City's leadership for punishing success, while pitching Texas as a hub for financial firms. The mayor argues that Dallas welcomes successful companies, unlike New York City. This comes as several financial firms have expanded operations in Texas due to lower taxes and fewer regulations.
- Gov Abbott extends off-ramp for NY billionaires fleeing Mamdani's policies
Texas Governor Greg Abbott is attracting billionaires from New York City by promoting Texas as a refuge from liberal policies, offering no state income tax and a pro-growth environment. This comes as NYC Mayor Zohran Mamdani advances policies targeting wealthy executives. The influx could mean more jobs and investment for Texas.
- NYC business owner kickstarts million dollar campaign to combat Mamdani-driven business exodus
New York City business leaders have launched a campaign to combat Mayor Zohran Mamdani's policies, which they claim have driven billionaires away. Andrew Murstein has pledged $1 million to Operation Boomerang, aiming to raise $20-30 million. The effort aims to lure back businesses that fled to Florida.
- NYC business owner kickstarts million dollar campaign to combat Mamdani-driven business exodus
New York City business leaders have launched a campaign to combat Mayor Zohran Mamdani's policies, which they claim have driven businesses away. Andrew Murstein, founder of Medallion Financial Corp., has pledged $1 million to the effort. The campaign aims to lure back businesses that have fled to Florida.
- Zohran Mamdani faces backlash over 'creepy,' 'unethical' video filmed outside billionaire Ken Griffin's home
New York City Mayor Zohran Mamdani faced backlash over a video filmed outside billionaire Ken Griffin's home, with many calling it 'creepy' and 'unethical'. The video was part of Mamdani's effort to fund a city government expansion. Griffin's company has paid nearly $2.3 billion in city and state taxes over the past five years.
- Mamdani's latest tax pledge 'makes no sense' and will only exacerbate Florida 'exodus': former mayor
Former Republican mayor Scott Singer criticizes New York City Mayor Zohran Mamdani's tax policies, warning of a business exodus to states like Florida. Mamdani's 'tax the rich' platform has faced criticism from billionaires like Ken Griffin. Singer predicts the exodus will continue, driven by high taxes and bad policy.
- Mamdani's latest tax pledge 'makes no sense' and will only exacerbate Florida 'exodus': former mayor
Former Republican mayor Scott Singer criticizes New York City Mayor Zohran Mamdani's tax policies, warning of a business exodus to states like Florida. Mamdani's 'tax the rich' platform has faced criticism from billionaires like Ken Griffin. Singer predicts the exodus will continue, driven by high taxes and poor policy decisions.
- New York real estate titan likens the phrase ‘tax the rich’ to racial slurs
New York City billionaire Steve Roth compared the phrase 'tax the rich' to racial slurs, expressing support for fellow billionaire Ken Griffin. The comment was made in response to New York's mayor announcing a tax on second homes worth over $5m. The tax targets homes valued at more than $5 million.
- Chicago knows what happens when Ken Griffin turns on a city, now Mamdani may find out
Billionaire Ken Griffin is clashing with New York City Mayor over taxes and crime, echoing his past tensions with Chicago. Griffin's firm Citadel moved its global headquarters from Chicago to Miami in 2022. The move marked a significant loss for Chicago's economy and influence.
- Chicago knows what happens when Ken Griffin turns on a city, now Mamdani may find out
Billionaire Ken Griffin is clashing with New York City Mayor Zohran Mamdani over taxes and crime, similar to his past tensions with Chicago. Griffin's company, Citadel, moved its global headquarters from Chicago to Miami in 2022. The move has resulted in a loss of jobs and investment for Chicago.
- Ken Griffin: Citadel expanding in Miami in response to NYC Mayor Mamdani's 'poor taste' tax video
Ken Griffin's Citadel is expanding in Miami due to a tax dispute with New York City Mayor Mamdani, who claims the tax system rewards extreme wealth while burdening working people. The expansion is a response to Mamdani's 'poor taste' tax video. This move highlights the ongoing debate about taxation and its impact on different socioeconomic groups.
- Billionaires of the world, unite!
Billionaire real estate magnate Steve Roth stands strong with fellow billionaire Ken Griffin in a spat with Mayor Zohran Mamdani over taxation of the wealthy. Roth thinks the ultra-rich should be praised and thanked instead of being taxed more. The dispute may impact a $6 billion plan to develop a Midtown office tower.
- Ken Griffin: Democrats taking House ‘almost a certainty’
Billionaire investor Ken Griffin predicts Democrats will take back the House in November, citing the nature of midterm election cycles. Griffin, a supporter of President Trump, made this prediction on Monday. The prediction is based on historical trends of House seats swinging in favor of the opposing party.
- Odd Lots: Inside a Booming Market for Dinosaur Fossils (Podcast)
Citadel’s Ken Griffin paid $45 million for a stegosaurus skeleton, the most expensive fossil ever sold at auction. The article explores why dinosaur fossils are increasingly collected by private millionaires rather than museums and examines the mechanics of the private fossil market, comparing it to art and antiquities markets.
- Mamdani vs. Griffin Standoff Puts $6 Billion Tower at Risk
Ken Griffin of Citadel is meeting with New York Governor Kathy Hochul to discuss the future of New York City amid a dispute with Mayor Zohran Mamdani over Griffin's $238 million Manhattan penthouse purchase, putting a $6 billion tower project at risk.
- Citadel Securities Expands in Asia With Big Hires, Block Trades
Citadel Securities is expanding in Asia through significant hires and block trades. However, the firm's first-half net trading revenue declined 35% year-over-year amid efforts to compete with major banks.