Largest ever stegosaurus skeleton sold to billionaire Ken Griffin for $44.6M

That’s one dino-mite deal.

Billionaire investor Ken Griffin purchased a late-Jurassic stegosaurus skeleton for $44.6 million at Sotheby’s Wednesday, marking the most valuable fossil ever sold at auction.

The towering, 11-foot-high behemoth, dubbed “Apex,” was excavated just outside of present-day Dinosaur, Colorado in May 2022.

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It stretches a staggering 27 feet from top to tail and is the largest recovered of its kind.

It is also one of the most complete with nearly 80% of its bones recovered.

Griffin, who founded the Citadel hedge fund and has a net worth of $38.3 billion, beat out six other bidders and plans on loaning the skeleton to other institutions for display, but will prioritize keeping it in the United States.

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“Apex was born in America and is going to stay in America,” Griffin said in a press release after his win.

Griffin is no stranger to funding fossils.

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In 2018, he bestowed $16.5 million to Chicago’s Field Museum to fund a touchable display of the biggest dinosaur ever discovered.

He was also named one of the top 200 art collectors in the world with a collection valued at $1 billion .

A near-complete tyrannosaurus named “Rex” was previously regarded as one of the most expensive skeletons after selling for $31.8 million at Christie’s Auction in 2020.

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