Odd Lots
Odd Lots

Inside the Booming Market for Dinosaur Fossils

Two years ago, Citadel's Ken Griffin paid almost $45 million for a stegosaurus skeleton, making it the most expensive fossil ever sold at auction. So why are dinosaur bones joining the collections of millionaires instead of museums? How does the private market for fossils actually work? And how

Featured Speakers

Bloomberg HostSalomon Aaron Guest

Topics Discussed

Episode Summary

Executive Summary: The episode explores the rapidly developing market for dinosaur fossils as an asset class, comparing it to art and antiquities. Guest Salomon Aaron explains how provenance, authenticity, and completeness are becoming more important as prices soar, demand broadens among wealthy collectors, and museums increasingly collaborate with private buyers to keep specimens accessible to science.

Main Topics: Dinosaur fossils as an emerging collectible market (Priority: 5/5): The hosts frame fossils as a surprisingly hot market, with record prices and increasing interest from collectors, museums, and auction houses, similar in some ways to art but still underdeveloped. Provenance, legality, and due diligence (Priority: 5/5): Aaron details the documentation required to sell fossils responsibly: land deeds, GPS coordinates, excavation records, and independent expert review. He emphasizes that American private-land fossils are the clearest legal category. Pricing explosion and market maturation (Priority: 5/5): The conversation highlights how landmark sales like Sue, Stan, Apex, and Big John reset expectations and created a new pricing regime, while also increasing competition and sophistication in the market. Completeness, restoration, and what buyers are really buying (Priority: 4/5): A major theme is that fossil value depends not just on species branding but on which bones are original, how complete the specimen is, and whether composites or resin restorations have been used. Private collectors versus museums (Priority: 4/5): The guest argues private capital can expand discovery and still feed museum collections through loans, purchases, and philanthropic arrangements, though it also raises ethical concerns about keeping fossils out of public institutions. Who buys fossils and why (Priority: 4/5): Buyer demand is said to skew younger and tech/science-oriented, with strong appeal from Jurassic Park nostalgia, and especially high demand for carnivorous dinosaurs and iconic specimens.

Key Arguments: The dinosaur fossil market is booming but still far less mature than art or antiquities markets, lacking deep pricing comparables and standardized vetting. Rising fossil prices are increasing supply by making excavation financially worthwhile for hunters and landowners who might previously have stopped digging early. American fossils from private land are the cleanest legal category to trade, and serious dealers should insist on robust provenance documentation. Authenticity alone is insufficient; buyers need to know how complete a specimen is and what percentage is original bone versus restoration material. The market is shifting from simple 'brand' buying toward more careful evaluation of specimen quality, rarity, and scientific significance. Private collectors can, in some cases, help museums acquire major fossils and fund research, so private trade can benefit science rather than merely displace it. Speculative flipping exists, but the speaker warns that dinosaur fossils should be bought for passion and long-term interest, not as a quick investment. Carnivorous dinosaurs and iconic skulls, especially T-Rex and triceratops, command the strongest demand because buyers want visually dramatic and recognizable pieces.

Data Points: Stan sale price: $31 million - A T-Rex skeleton sold at Christie’s and marked a watershed moment for the market. Sue sale price: $8 million - Prior dinosaur auction record in the early 2000s, before Stan. Apex sale price: $45 million - Ken Griffin’s purchase of a stegosaurus skeleton was described as the record fossil sale. Big John sale price: circa $8 million - A complete triceratops skeleton sold in Paris around 2022–2023. Last Sotheby’s specimen price: $37 million - Another high-end dinosaur fossil sale cited as evidence of market expansion. Raptor sale price: 12–13 million pounds - Used as an example of the inflated auction market for major fossils. Jurassic skeleton age: 150 million years old - Referenced for a recently sold Jurassic specimen reviewed by a specialist. Nanosaurus skeleton length: about 1.5 meters - Example of a small Jurassic dinosaur skeleton discussed as unusually incomplete and brittle. Market growth period: past 10 years - Aaron says the fossil market has boomed over roughly the last decade. Time horizon for market change: 15–20 years - Repeatedly referenced as the period during which standards and restoration practices evolved.

Pivotal Quotes: "The dinosaur fossil market is starting to resemble other areas of the art market, but it's still quite a distance from that point." — Salomon Aaron: Explaining the market’s current level of maturity and structure. "We have all of the rules relating to how you deal in dinosaur fossils are still being hammered out, kind of, condition, authenticity, attribution, provenance." — Salomon Aaron: Describing the core diligence issues still being standardized in the field. "You can't buy as an investor. You have to buy because you love it." — Salomon Aaron: His view on how collectors should approach fossil ownership and valuation.

Implications: Expect more fossil discoveries, higher standards for provenance, and stronger museum-private partnerships as money flows into the space. The market may become more transparent, but legal and ethical scrutiny will likely intensify.

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About Odd Lots

Bloomberg's Joe Weisenthal and Tracy Alloway analyze the weird patterns, the complex issues and the newest market crazes. Join the conversation every Tuesday and Thursday for interviews with the most interesting minds in finance, economics and markets.

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