Matthew Sherman/Courtesy of Sotheby's
- Ken Griffin bought a $44.6 million Stegosaurus skeleton, shattering fossil auction records.
- The Stegosaurus, nicknamed Apex, is among the most complete specimens ever found.
- Griffin plans to lend Apex to a US institution, continuing his history of significant loans.
Billionaire Ken Griffin has a new record-breaking item for his record-breaking home.
The hedge fund manager paid $44.6 million for a roughly 150 million-year-old mounted Stegosaurus skeleton, nicknamed "Apex."