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James Simons

Renaissance Technologies LLC

James Simons, along with a team of mathematicians, physicists, and computer scientists, founded Renaissance Technologies LLC — arguably the best quantitative investment company. Its flagship Medallion Fund has delivered an average annual return of over 66% since 1988.

Shares Held
Asset Size
% Top 10
5667
$75.87B
11.95%
Latest2025Q2
Top BuysF (US)
Top SellsBSANTANDER (CL)
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