Citadel

Situational Awareness sold shares in Taiyo Yuden Co. to Citadel and other investors. The company reported offloading part of its stake this month, as detailed in a filing.

Maria Cabral Menezes founded WashWise after noticing that traders on Wall Street faced issues with smelly gym bags and rewearable clothes. The company, described as a 'dry shampoo for clothes,' refreshes items between washes, and it successfully raised $1.2 million in pre-seed funding. Backers include executives associated with JPMorgan, Soho House, and SoulCycle.

Jamie Dimon stated that broader market leverage is "pretty high," warning that this increases the chance of sudden market disruptions and causing people to get rattled. His comments follow scrutiny regarding leveraged ETFs, heightened by recent events such as a significant sell-off in South Korea and losses sustained by the Situational Awareness hedge fund.

Ken Griffin’s hedge fund made billions last week. This profit occurred after his fund bought the bulk of Situational Awareness’s stock book.

Big US hedge funds, including Point72 and Citadel, are being targeted by a wave of cyber attacks involving audio phishing schemes.

Business Insider is accepting nominations for its Rising Stars of Wall Street list until September 9th, seeking young professionals under 35 in investment banking, investing, and sales and trading. Past participants have included individuals from Blackstone, Citadel, JPMorgan, and Goldman Sachs.

Leopold Aschenbrenner's $45 billion AI-focused hedge fund, Situational Awareness, collapsed due to margin calls triggered by a drop in AI stocks, contrasting with Warren Buffett's long-term, prudent investing strategy. Critics attribute the failure to lack of patience, excessive leverage, and overconfidence, highlighting Buffett's emphasis on sustainable wealth-building.

Ken Griffin's Citadel achieved its best monthly performance in years in July after acquiring the majority of Situational Awareness's public-stock portfolio. The acquisition occurred late last month, contributing to the firm's significant gains.

Citadel's stock surged 6% following its acquisition of Situational Awareness. Ken Griffin’s fund purchased billions of dollars of AI stocks from Leopold Aschenbrenner’s firm.

Demolition of three buildings is underway on Park Avenue and East 52nd Street for a new skyscraper. Ken Griffin’s project with Vornado will feature two Griffin-controlled Citadel companies as anchor tenants, occupying at least 850,000 square feet.

A floundering A.I.-driven hedge fund specializing in situational awareness was rescued by its rival, Citadel. The rescue is detailed in an article highlighting the A.I. fund's struggles and Citadel's intervention.

Two teenage men, including a Citadel cadet and South Carolina National Guard member, were found shot to death in DeLand, Florida. The DeLand Police Department is investigating the double homicide.

Citadel's acquisition of Situational Awareness is reported to have prevented a $3tn market downturn in AI. Investors claim the hedge fund's deal provided reassurance to tech stock traders.

Leopold Aschenbrenner, founder of Situational Awareness hedge fund, is set to marry Avital Balwit in Carmel, California, despite his fund facing a severe crisis. Aschenbrenner's leveraged bets on AI infrastructure stocks like CoreWeave and SK Hynix led to a 67% monthly loss, forcing him to sell assets to Citadel at a discount to avoid collapse. The fund survived with $10 billion remaining, retaining his stake in Anthropic.

An ex-OpenAI researcher's AI hedge fund lost $35 billion in a week, collapsing from $45 billion to $10 billion. The fund sold leveraged bets on AI infrastructure stocks to Citadel at a discount.

Leopold Aschenbrenner's hedge fund Situational Awareness experienced a dramatic reversal after leveraged AI stock bets led to a 67% loss in July, forcing the sale of assets to Citadel's Ken Griffin. The fund's name and strategy became a viral meme target on social media.

Citadel acquired the majority of Situational Awareness's stock portfolio following an AI rout, as reported. Situational Awareness retained approximately $10 billion in assets, including its stake in Anthropic, after selling leveraged public stock positions to Citadel.

The article discusses the ongoing debate over the future of football and reports that Citadel has provided financial support to Situational Awareness, while an entity named Claude has hacked three organizations.

Citadel's acquisition of Situational Awareness triggered a relief rally in global AI stocks, with traders uncertain whether the market has stabilized or if further turbulence is likely.

Ken Griffin’s situational awareness is highlighted as Aschenbrenner’s hedge fund, involved in Wall Street’s AI trade, sells assets to Citadel.

Situational Awareness, an AI-focused hedge fund, sold most of its publicly traded stock portfolio to Citadel after experiencing major losses in AI-related positions. The fund retained private investments like its stake in Anthropic. Tech and investing experts have offered mixed reactions, discussing risk management failures and the ruthless nature of the stock market.

Citadel is acquiring Situational Awareness equity holdings following significant AI-related losses. The deal follows overnight discussions between Leopold Aschenbrenner's investment firm and investors.

A hedge fund founded by Leopold Aschenbrenner sold its stock holdings to Citadel after suffering losses from AI-related jitters, mirroring the 2021 Archegos collapse.

Five Citadel and Citadel Securities employees who joined after graduating share insights on career success, emphasizing the value of internships, taking initiative on impactful projects, and leveraging the firm's non-hierarchical structure. The article highlights the importance of campus recruitment at Ken Griffin's companies, where early hires often become top performers.

Citadel has positioned itself to benefit from a potential Federal Reserve rate hike scheduled for Wednesday, while bitcoin analysts anticipate the central bank will maintain current rates. The conflicting predictions highlight uncertainty about the Fed's decision.

New York City Mayor Zohran Mamdani notified property owners of the upcoming pied-à-terre tax on second homes valued over $5 million. The tax, which could raise $500 million annually, applies to over 11,000 properties and targets wealthy individuals like Jeff Bezos, Donald Trump, and Ken Griffin.

Miami is attracting wealthy Americans like billionaire Ken Griffin due to tax benefits and luxury properties, but housing affordability is declining, making it difficult for middle-class families to move there. Florida received the most wealth from domestic migrants in 2023, with newcomers averaging $122,530 in annual income, while Miami's median home price is $652,110, requiring incomes of $160,000–$215,000 to afford.

New York City distributed $2.6 billion in cash welfare payments to 864,999 residents in 2025, a 30-year high and 71% increase from 2022. Combined with SNAP, welfare payments totaled $7 billion in 2024. Mayor Zohran Mamdani's policy to tax luxury second homes targeting the wealthy, including billionaire Ken Griffin, sparked controversy.

Lionel Messi's purchase of four residences at Cipriani Residences Miami has driven 80% sales of the tower, with Citadel and Amazon executives accelerating sales ahead of the 2027 move-in date. The soccer star's investment is paying off as the project nears full occupancy.

A report by the Peter G Peterson Foundation, using analysis from EY’s QUEST practice, warns that rising U.S. national debt could reduce jobs and wages for Gen Z and Gen Alpha by 2075. EY projects 3.6 million fewer jobs by 2075 under current fiscal trends, with wages declining by 5.3% compared to a stabilized debt scenario.

Senator Lindsey Graham won only 6 percent of Black votes in 2020, according to exit polls. About 10 percent of Black voters approved of his job performance in a May Citadel poll.

Susquehanna International Group (SIG) is offering master’s and PhD interns $8,600 weekly during a 10-week summer program for quantitative roles, significantly exceeding the median U.S. weekly earnings of $1,235. Competitors like Jane Street and Citadel also offer high intern pay, with acceptance rates rivaling Ivy League admissions.

Citadel has dropped its U.S. lawsuit against Portofino and is now seeking a bankruptcy order against the firm's founder in the UK. The legal action shifts from litigation to bankruptcy proceedings targeting the founder.

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.

Michael Pope, Freestone Grove's natural resources sector head, is leaving the $6.5 billion hedge fund, leading to a strategic pivot away from energy investments toward sectors like technology and industrials. The firm has hired new leaders in tech, media, and event-driven strategies while promoting existing analysts to portfolio manager roles.

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.

Ken Griffin built Citadel, a commodities empire extending beyond financial trading, emerging from the aftermath of Enron.

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.

Citadel warns that the AI boom may face rising costs, while Tether has led a $1.4 billion investment into humanoid robotics. The article also notes the upcoming SpaceX IPO as a relevant context.

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.