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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.

Positions
Asset Size
% Top 10
5471
66.45B
10.59%
Latest2025Q2
Top BuysAAL (US)
Top SellsBSANTANDER (CL)

Sector Allocation

Level 3 sector breakdown
Level 1 sector breakdown
Level 2 sector breakdown
Level 3 sector breakdown
Software & IT Services
Pharmaceuticals
Hotels & Entertainment Services
Metals & Mining
Banking Services
Investment Banking & Investment Services
Oil & Gas
Biotechnology & Medical Research
Professional & Commercial Services
Semiconductors & Semiconductor Equipment
Food & Tobacco
Other

Holdings

2025Q2
2025Q2
2025Q1
2024Q4
2024Q3
2024Q2
2024Q1
2023Q4
2023Q3
2023Q2
No.
Name
% Portfolio
Shares Traded
Mkt Value (Date)
Market Value
Positions
Industry
Report Date
2.07%
-6.50M
1.37B
1.40B
16.29M
Software & IT Services
2025-03-31
1.15%
+98.70K
765.16M
756.27M
3.01M
Software & IT Services
2025-03-31
1.06%
-55.57K
701.66M
335.59M
6.14M
Pharmaceuticals
2025-03-31
1.04%
+4.58M
693.24M
698.24M
16.66M
--
2025-03-31
0.98%
-200.90K
650.82M
629.99M
4.26M
Food & Drug Retailing
2025-03-31
0.98%
+17.60K
649.52M
646.78M
2.11M
Pharmaceuticals
2025-03-31
0.92%
+121.40K
610.80M
609.38M
5.45M
Pharmaceuticals
2025-03-31
0.85%
-225.64K
568.00M
577.22M
1.17M
Pharmaceuticals
2025-03-31
0.82%
-471.60K
547.31M
544.05M
14.82M
Biotechnology & Medical Research
2025-03-31
10
Franco Nevada Ord Shs (CA)
FNV
0.72%
-128.89K
476.75M
471.16M
3.03M
Metals & Mining
2025-03-31
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