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.
Stock Trading
All
Buys
Sells
No.
Name
Action
Shares Traded
% Change
Shares Held
Mkt Value (Date)
Report Date
Watchlist
Opendoor Technologies Inc (US)
OPEN
Exit
-27.52M
-50.00%
0.00
$55.28M
2026-03-31
Plug Power Inc (US)
PLUG
Exit
+13.69M
0.00%
0.00
$62.69M
2026-03-31
Grab Holdings Ltd (US)
GRAB
Exit
+13.31M
0.00%
0.00
$48.73M
2026-03-31
4
T1 Energy Inc (US)
TE
Exit
+8.29M
0.00%
0.00
$52.06M
2026-03-31
5
American Airlines Group Inc (US)
AAL
Exit
+8.24M
0.00%
0.00
$104.04M
2026-03-31
6
Nokia Oyj (US)
NOK
Exit
+7.55M
0.00%
0.00
$106.41M
2026-03-31
7
Netflix Inc (US)
NFLX
Exit
-7.18M
-50.00%
0.00
$236.63K
2026-03-31
8
Denison Mines Ord Shs (CA)
DML
Exit
+6.93M
0.00%
0.00
$33.50M
2026-03-31
9
Nu Holdings Ltd (US)
NU
Exit
-6.47M
-50.00%
0.00
$233.80M
2026-03-31
10
Banco Bradesco SA (US)
BBD
Exit
+6.30M
0.00%
0.00
$44.29M
2026-03-31