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.
Latest Changes
Indicators
Latest (2025Q2)
Previous (2025Q1)
Change
Mkt Value (report date)
75.87B
66.13B
+14.73%
Shares Held
5667
5409
+4.77%
Buys
1600
1473
+8.62%
Sells
1335
1442
-7.42%
Sector Allocation
No.
Name
% Portfolio
Shares Traded
Mkt Value (Date)
Market Value
Shares Held
Report Date
Latest Trades
No.
Name
Action
Shares Traded
% Change
Shares Held
Mkt Value (Date)
Report Date
Baytex Energy Ord Shs (CA)
BTE
Buy
+11.86M
+38.60%
18.80M
$33.72M
2025-06-30
7
B2Gold Ord Shs (CA)
BTO
Sell
-9.58M
-60.70%
6.19M
$22.38M
2025-06-30
