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.
Sector Allocation
Level 3 sector breakdown
Level 1 sector breakdown
Level 2 sector breakdown
Level 3 sector breakdown
Software & IT Services
Pharmaceuticals
Metals & Mining
Banking Services
Investment Banking & Investment Services
Hotels & Entertainment Services
Semiconductors & Semiconductor Equipment
Biotechnology & Medical Research
Oil & Gas
Healthcare Providers & Services
Professional & Commercial Services
Other
Holdings
2025Q2
2025Q2
2025Q1
2024Q4
2024Q3
2024Q2
2024Q1
2023Q4
2023Q3
2023Q2
No.
Name
% Portfolio
Shares Traded
Mkt Value (Date)
Market Value
Shares Held
Industry
Report Date
0.87%
-231.90K
$663.80M
$663.80M
4.03M
Food & Drug Retailing
2025-06-30
