Kenneth C. Griffin
American billionaire hedge fund manager
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| 2025 | Purchased a duplex at 740 Park Avenue in New York City for $45 million, previously owned by David Koch. |
| May 2024 | Criticized the 'failed education system' for campus anti-Israel protests and urged Harvard to 'embrace Western values'. |
| April 2024 | Made a $9 million donation to fund a math-tutoring program for Miami-Dade County Public Schools students, partnering with the University of Chicago and Accelerate to address COVID-19 pandemic-related education gaps. |
| April 2024 | Preservation Foundation of Palm Beach announced a $7 million gift from Griffin to support the restoration of Phipps Ocean Park, expand community education, and increase accessibility. |
| March 2024 | Donated $50 million through Griffin Catalyst to the Baptist Health Foundation to expand the Miami Neuroscience Institute, with the new facility to be named the Kenneth C. Griffin Center. |
| March 2024 | Announced a $50 million donation to the Sylvester Comprehensive Cancer Center at the University of Miami, leading to the construction of the Kenneth C. Griffin Cancer Research Building. |
| January 2024 | Expressed dissatisfaction with Harvard's educational approach, urging the university to focus on developing future leaders. |
| 2023 | Nick Offerman portrayed Kenneth Griffin in the biographical drama 'Dumb Money' about the GameStop short squeeze. Griffin actively worked with Sony Pictures to address script inaccuracies before the film's release, expressing concerns about sensationalized elements of his portrayal. |
| 2023 | Included in Forbes's list of the United States' Most Generous Givers, having donated $1.56 billion to charitable causes focusing on education, economic mobility, and medical research. |
| December 2023 | Pledged $400 million with David Geffen to the Memorial Sloan Kettering Cancer Center, creating the largest single gift in the center's 150-year history. |
| October 7 2023 | After Hamas's attacks on Israel, Griffin contacted Harvard Corporation leadership demanding a response and criticizing student groups' statements. |
| September 2023 | Kenneth Griffin established Griffin Catalyst, a philanthropic and civic work platform to consolidate and coordinate his charitable efforts, marking a significant milestone in his philanthropic journey. |
| April 2023 | Donated $300 million to the Harvard Faculty of Arts and Sciences, resulting in the Graduate School of Arts and Sciences being renamed after him. |
| April 2023 | Donated $25 million to Success Academy Charter Schools in New York City and $20 million to Miami Dade College, where he also addressed the graduating class. |
| March 2023 | Partnered with Eric Schmidt to donate $50 million to Convergent Research, a new scientific research project. |
| January 2023 | Donated $25 million to the Nicklaus Children's Hospital in Miami, marking his largest single donation in Florida to date. |
| 2022 | Griffin resigned from the board of trustees of the Museum of Contemporary Art, Chicago, after serving since 2000. |
| 2022 | Ranked 21st on the Forbes 400 list of richest Americans, highlighting his significant financial success. |
| 2022 | Purchased a waterfront mansion in Coral Gables, Florida for $45.25 million. |
| 2022 | Created the Ukraine Math and Science Achievement Fund with $3 million to support young Ukrainian refugees studying at Cambridge University |
| October 2022 | Made a $250,000 donation to a Miami scholarship program for STEM students, his first donation after moving Citadel's headquarters to Florida. |
| July 2022 | Donated $130 million to Chicago nonprofits before moving to Florida. |
| May 2022 | Donated $5 million to launch the Miami Disaster Resilience Fund, aimed at preparing the city for disasters like hurricanes |
| May 2022 | The University of Chicago announced a $25 million donation from Griffin to launch community Safety Leadership Academies, aimed at training police managers and preventing neighborhood violence. |
| March 2022 | Donated $40 million to the American Museum of Natural History in New York to help complete a 230,000 square foot renovation. |
| December 2021 | Donated $5 million to support the construction of The Underline, a 10-mile linear park and urban trail in Miami |
| November 2021 | Purchased the last privately held copy of the United States Constitution at auction for $43.2 million, with plans to display it at the Crystal Bridges Museum of American Art in Arkansas. |
| April 2021 | Donated $5 million to an initiative providing Internet access to students in Miami. |
| February 18 2021 | Griffin testified before the House Financial Services Committee about his role in the GameStop controversy, having previously donated money to four committee members. |
| January 28 2021 | Robinhood halted purchases of GameStop securities, leading to a steep decline in GME stock price, which sparked controversy due to Citadel's market-making role. |
| January 25 2021 | Citadel invested $2 billion into Melvin Capital, which had suffered losses of over 30% on short positions, particularly on GameStop. |
| 2020 | Purchased several properties on Star Island in Miami Beach for a total of $95 million. |
| 2020 | Purchased a 7-acre oceanfront compound in Southampton, New York from Calvin Klein for $84.4 million. |
| 2020 | Griffin oversaw a $2 million donation from Citadel to Weill Cornell Medicine to fund COVID-19 vaccine development and case identification efforts. |
| November 2020 | Griffin's net worth surpassed $20 billion, with his Citadel stake worth $11.2 billion, and Citadel Securities increasing its profit to $2.36 billion in the first half of the year. |
| October 2020 | Criticized Joe Biden's plans to raise long-term capital gains tax rate during an interview at the Robin Hood Foundation investor conference. |
| September 2020 | Wrote an op-ed in the Chicago Tribune opposing Governor J.B. Pritzker's 'Fair Tax' proposal to change Illinois's income tax system. |
| June 2020 | Acquired Jean-Michel Basquiat's 1982 painting Boy and Dog in a Johnnypump for over $100 million and subsequently loaned it to the Art Institute of Chicago for public display. |
| May 2020 | Griffin and his partners at Citadel donated £3 million to help develop a COVID-19 vaccine and support NHS Nightingale Hospitals in the United Kingdom. |
| March 2020 | Kenneth Griffin contributed $2.5 million to support food services for children in Chicago Public Schools during the COVID-19 pandemic. |
| January 2020 | Absent from the White House signing ceremony for the phase-one trade deal with China, which prompted criticism from Trump. |
| 2019 | Purchased 3 Carlton Gardens, a Georgian mansion in London for $122 million, breaking several records. |
| 2019 | Set the record for the most expensive residential sale in the U.S. by purchasing 24,000 square feet across three floors at 220 Central Park South in Midtown Manhattan for $238 million. |
| October 2019 | Donated $125 million to the Museum of Science and Industry in Chicago, the largest gift in the museum's history, resulting in the museum being renamed the Kenneth C. Griffin Museum of Science and Industry. |
| March 2019 | During an interview with David Rubenstein, Griffin criticized Warren's tax proposals, stating that 'soaking the rich doesn't work'. |
| January 2019 | Singled out by Elizabeth Warren on Facebook as someone who could pay her Ultra-Millionaire Tax. |
| 2018 | Griffin donated $20 million to the Norton Museum of Art. |
| 2018 | Appointed as the national finance chair for the New Republican PAC supporting Rick Scott's Super PAC. |
| 2018 | Griffin donated $10 million to the Crime Lab to implement an early intervention system for investigating citizen complaints. |
| November 2018 | Criticized Donald Trump's tweets about Federal Reserve Chair Jerome Powell, calling them 'completely inappropriate for the president of the United States'. |
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