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
Ambev SA (US)
ABEV
Sell
-15.97M
-38.30%
25.68M
$63.43M
2025-12-31
Plug Power Inc (US)
PLUG
New
+14.05M
+50.00%
14.05M
$27.68M
2025-12-31
Opendoor Technologies Inc (US)
OPEN
Buy
+13.23M
+25.10%
39.33M
$229.30M
2025-12-31
4
Denison Mines Ord Shs (CA)
DML
Sell
-10.65M
-80.80%
2.52M
$6.69M
2025-12-31
5
Ford Motor Co (US)
F
Sell
-10.37M
-29.50%
24.73M
$324.47M
2025-12-31
6
QuantumScape Ord Shs Class A ()
QS
New
+8.12M
+50.00%
8.12M
$84.58M
2025-12-31
7
Transocean Ltd (US)
RIG
Buy
+7.29M
+44.60%
9.04M
$37.32M
2025-12-31
8
Bitfarms Ord Shs (CA)
BITF
New
+6.88M
+50.00%
6.88M
$16.20M
2025-12-31
9
Nu Holdings Ltd (US)
NU
Buy
+6.69M
+22.70%
22.74M
$380.59M
2025-12-31
10
Intel Corp (US)
INTC
Buy
+6.50M
+39.60%
9.89M
$364.92M
2025-12-31
