POLYMARKET INVESTMENT MEMO
By Jose Ruiz · · 1 min read

FOUNDERSCROWDS
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Friday, June 5, 2026

Jose here with the Investment of the Week.
I personally met Shayne, the founder of Polymarket, in New York through a friend from MIT.
From the very beginning, you could tell he was building something special. He spent four years without making any money, but he was incredibly clear on the vision he was pursuing and never lost sight of where he wanted to take the company.
Company: Polymarket
Industry: Prediction Markets / Financial Technology
Last Primary Valuation: $14-15.0B (December 2025)
Current Secondary Valuation: $14.6B (March 2026)
Founded: 2020
Founder/CEO: Shayne Coplan (Age 28)
Headquarters: New York, NY
Employees: 188
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