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 (2026Q1)
Previous (2025Q4)
Change
Mkt Value (report date)
61.63B
62.13B
-0.81%
Shares Held
2861
2760
+3.66%
Buys
46
0
--
Sells
23
0
--
Sector Allocation
No.
Name
% Portfolio
Shares Traded
Mkt Value (Date)
Market Value
Shares Held
Report Date
Watchlist
4
Kellanova Ord Shs (US)
K
1.18%
+571.10K
$779.75M
--
0.00
2026-03-31
8
Franco Nevada Ord Shs (CA)
FNV
0.83%
-259.20K
$549.30M
--
0.00
2026-03-31
Latest Trades
No.
Name
Action
Shares Traded
% Change
Shares Held
Mkt Value (Date)
Report Date
Watchlist
8
Denison Mines Ord Shs (CA)
DML
Exit
+6.93M
0.00%
0.00
$33.50M
2026-03-31
