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Ken Griffin's Citadel Reportedly Buys Large Stake in Situational Awareness's Public Stock Portfolio

Citadel, led by Ken Griffin, reportedly acquired a significant portion of Situational Awareness's public stock portfolio after the hedge fund, founded by former OpenAI researcher Leopold Aschenbrenner, suffered heavy losses in July's AI stock market rout. The transaction followed Situational's 67% drop in July, necessitating asset sales and capital seeking.

T. rex Specimen "Gus" Sells for Record $50.1 Million at Sotheby's Auction

A Tyrannosaurus rex specimen named "Gus," discovered in South Dakota, sold for a record $50.1 million at Sotheby's, becoming the most expensive dinosaur ever auctioned. The 67-million-year-old, 61% complete fossil surpassed its estimate, highlighting a booming collectibles market, though paleontologists warn about authenticity safeguards.

CNBC US Markets

1 min de lectura

Ken Griffin warns losing TSMC chips could trigger a 'Great Depression'

En desarrollo

Business·13/7/2026Resumen IA

Ken Griffin warns losing TSMC chips could trigger a 'Great Depression'

Citadel founder Ken Griffin warned that losing Taiwan's semiconductor chip supply could cause US GDP to fall 8% in 6 months and trigger a modern-day Great Depression. He also highlighted China's rapid technological advancements.

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Ken Griffin Seeks Miami Beach Zoning Change for Private Helipad

En desarrollo

Real estate·12/7/2026Resumen IA

Ken Griffin Seeks Miami Beach Zoning Change for Private Helipad

Hedge fund billionaire Ken Griffin is seeking a zoning change in Miami Beach to add a private helipad to his planned 3.7-acre marina for his $250 million superyacht. The proposal aims to create a private travel system, avoiding city traffic and connecting his properties directly to his yacht.

Times of India

Ken Griffin seeks zoning change for Miami helipad to complement his superyacht marina

En desarrollo

Real estate·12/7/2026Resumen IA

Ken Griffin seeks zoning change for Miami helipad to complement his superyacht marina

Hedge fund billionaire Ken Griffin is seeking a zoning change in Miami Beach to add a private helipad to his planned 3.7-acre marina. The facility is intended to house his $250 million superyacht and provide a private travel system.

TOI World

New York and UK Target the Ultra-Rich with Property Taxes

En desarrollo

Política·16/6/2026Resumen IA

New York and UK Target the Ultra-Rich with Property Taxes

New York and the UK are implementing new taxes on luxury properties to address the housing crisis and fund public services. While these measures aim to target the ultra-rich, experts suggest they are only a partial solution to broader issues of real estate financialization and monetary policy.

Guardian Business

4 min de lectura

Citadel Rebukes NYC Mayor Mamdani Over Pied-à-Terre Tax Targeting CEO Ken Griffin

En desarrollo

Política·23/4/2026Resumen IA

Citadel Rebukes NYC Mayor Mamdani Over Pied-à-Terre Tax Targeting CEO Ken Griffin

Citadel criticized New York City Mayor Zohran Mamdani after he singled out CEO Ken Griffin in a video promoting a proposed pied-à-terre tax targeting non-resident homeowners with properties valued above $5 million. The hedge fund's COO called the mayor's move 'shameful,' saying it showed 'ignorance and disdain' toward economic contributors. Citadel noted it has paid nearly $2.3 billion in city and state taxes over five years and is undertaking a $6 billion redevelopment project at 350 Park Avenue.

CNBC

2 min de lectura