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 (2025Q3)
Previous (2025Q2)
Change
Mkt Value (report date)
66.26B
77.33B
-14.31%
Shares Held
5859
5933
-1.25%
Buys
1393
1519
-8.29%
Sells
1348
1502
-10.25%
Sector Allocation
No.
Name
% Portfolio
Shares Traded
Mkt Value (Date)
Market Value
Shares Held
Report Date
Watchlist
4
Kinross Gold Ord Shs (CA)
K
1.18%
+571.10K
$780.41M
$2.10B
25.55M
2026-03-31
8
Franco Nevada Ord Shs (CA)
FNV
0.83%
-259.20K
$548.99M
$494.62M
2.22M
2026-03-31
Latest Trades
No.
Name
Action
Shares Traded
% Change
Shares Held
Mkt Value (Date)
Report Date
Watchlist
New Gold Ord Shs ()
NGD
Exit
-15.87M
-100.00%
0.00
$0.00
2026-03-31
10
Denison Mines Ord Shs (CA)
DML
Buy
+6.93M
+42.30%
9.46M
$33.48M
2026-03-31


