Zohran Mamdani wants Ken Griffin to pay more tax on his Central Park penthouse. We break down what it means for homeowners ...

Billionaire developer and Palm Beach resident Ken Griffin's most recent purchases include rare copies of the Emancipation ...

The hedge-fund billionaire also paid a record $43.2 million for a copy of the U.S. Constitution four years ago.

Griffin paid a record $13.7M for the 13th Amendment and $4.4 million for the Emancipation Proclamation. Both documents were ...

The hedge fund founder paid $13.7 million for a copy of the 13th Amendment and $4.4 million for the Emancipation Proclamation ...

Citadel boss Ken Griffin scoops up Abraham Lincoln-signed Emancipation Proclamation, 13th Amendment for $18.1M By Ariel Zilber Published June 30, 2025, 4:29 p.m. ET ...

Citadel's flagship Wellington fund rose 15.1% last year. Since Citadel's inception in 1990, the firm produced an annualized ...

Ken Griffin Pays Record $13.7 Million for Lincoln’s 13th Amendment Ending Slavery The hedge-fund billionaire also paid a record $43.2 million for a copy of the U.S. Constitution four years ago By ...

Citadel founder Ken Griffin paid $18.1 million for copies of the 13th Amendment and the Emancipation Proclamation signed by President Abraham Lincoln.

Citadel founder Ken Griffin knocked the Trump administration for a series of moves he said would undoubtedly cause stagflation. Griffin, who’s notably criticized the president’s trade policie… ...

Citadel CEO Ken Griffin believes American prosperity is a testament to the power of the Constitution. And as the country gets ready to celebrate its 250th anniversary next year, with Philadelphia ...