Jim Simons Renaissance Technologies
Jim Simons is the founder of Renaissance Technologies, one of the most successful quantitative hedge funds in the world. Before his career in finance, he served as a mathematics professor and made significant contributions to differential geometry. Simons applied his analytical expertise to develop sophisticated, algorithm-driven trading strategies, earning consistently high returns for investors.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$800M |
| 2 |
NVIDIA
NVDA
|
+$304M |
| 3 |
Broadcom
AVGO
|
+$261M |
| 4 |
Linde
LIN
|
+$237M |
| 5 |
JPMorgan Chase
JPM
|
+$208M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Costco
COST
|
+$656M |
| 2 |
Netflix
NFLX
|
+$632M |
| 3 |
Tesla
TSLA
|
+$474M |
| 4 |
Procter & Gamble
PG
|
+$428M |
| 5 |
Micron Technology
MU
|
+$332M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 22.04% |
| 2 | Healthcare | 15.35% |
| 3 | Industrials | 11.13% |
| 4 | Consumer Discretionary | 10.88% |
| 5 | Financials | 10.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
SA
1076
Seabridge Gold
SA
$3.5B
| $8.24M | 0.01% |
+290,700
| New | +$9.28M |
|
1077
TriNet
TNET
$3.07B
| $8.23M | 0.01% |
226,000
+144,200
| +176% | +$6.89M |
|
1078
Southern First Bancshares
SFST
$607M
| $8.21M | 0.01% |
150,607
+22,700
| +18% | +$1.25M |
|
|
FRMI
1079
Fermi Inc
FRMI
$4.85B
| $8.2M | 0.01% |
1,403,700
+1,062,400
| +311% | +$9.3M |
|
1080
Arista Networks
ANET
$265B
| $8.19M | 0.01% |
66,740
-708,100
| -91% | -$94.7M |
|
1081
Century Aluminum
CENX
$4.77B
| $8.19M | 0.01% |
139,499
+21,500
| +18% | +$1.08M |
|
1082
Fidelity National Financial
FNF
$12.8B
| $8.18M | 0.01% |
176,409
+27,600
| +19% | +$1.43M |
|
1083
FTI Consulting
FCN
$4.22B
| $8.17M | 0.01% |
46,200
-6,600
| -13% | -$1.13M |
|
|
FLOC
1084
Flowco Holdings
FLOC
$1.04B
| $8.16M | 0.01% |
396,000
+278,700
| +238% | +$6.04M |
|
1085
Accel Entertainment
ACEL
$1B
| $8.13M | 0.01% |
745,005
-14,500
| -2% | -$164K |
|
1086
Alto Ingredients
ALTO
$315M
| $8.1M | 0.01% |
1,673,657
+149,657
| +10% | +$475K |
|
1087
Federal Signal
FSS
$7.71B
| $8.09M | 0.01% |
74,800
-37,804
| -34% | -$4.27M |
|
1088
InterContinental Hotels
IHG
$23.9B
| $8.09M | 0.01% |
60,600
+40,300
| +199% | +$5.54M |
|
1089
Tyler Technologies
TYL
$13B
| $8.08M | 0.01% |
23,600
-33,920
| -59% | -$12.6M |
|
1090
Community Trust Bancorp
CTBI
$1.42B
| $8.07M | 0.01% |
132,937
-21,236
| -14% | -$1.29M |
|
1091
Fox Factory Holding Corp
FOXF
$913M
| $8.06M | 0.01% |
489,893
-57,800
| -11% | -$1.05M |
|
1092
Coursera
COUR
$1.48B
| $8.06M | 0.01% |
1,385,193
-582,900
| -30% | -$3.64M |
|
|
CAI
1093
Caris Life Sciences
CAI
$6.29B
| $8.04M | 0.01% |
449,900
+120,000
| +36% | +$2.62M |
|
1094
NACCO Industries
NC
$317M
| $8.03M | 0.01% |
154,518
-6,200
| -4% | -$320K |
|
1095
Preformed Line Products
PLPC
$2.29B
| $8.03M | 0.01% |
29,658
-13,158
| -31% | -$3.36M |
|
1096
Bank of Hawaii
BOH
$3.13B
| $7.99M | 0.01% |
107,600
-41,500
| -28% | -$3.09M |
|
1097
American States Water
AWR
$3.49B
| $7.99M | 0.01% |
105,600
+59,900
| +131% | +$4.42M |
|
1098
Universal Insurance Holdings
UVE
$1.18B
| $7.97M | 0.01% |
233,412
-83,614
| -26% | -$2.69M |
|
1099
NovaGold Resources
NG
$3.45B
| $7.97M | 0.01% |
+887,800
| New | +$9.13M |
|
1100
Arhaus
ARHS
$1.37B
| $7.95M | 0.01% |
1,172,600
-581,400
| -33% | -$5.28M |
|
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Jim Simons's Q1 2026 Portfolio in Review
As of Q1 2026, Jim Simons held 3,809 positions worth $63.9B, down 0.82% from $64.5B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons's Q1 2026 filing shows 624 new, 1,320 increased, 1,262 reduced and 596 closed positions. Its largest new stake was Apple: 3,075,638 shares worth $781M. The largest sale was Costco, an estimated $656M.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 21% a quarter earlier, followed by Healthcare and Industrials.
- Jim Simons's largest Q1 2026 buy was Apple: 3,075,638 shares worth $781M.
- Jim Simons added most to NVIDIA in Q1 2026, an estimated $304M increase.
- Jim Simons's biggest Q1 2026 reduction was Costco, cutting an estimated $656M.
- Jim Simons fully exited Procter & Gamble in Q1 2026, selling an estimated $428M.
- Jim Simons's ten largest holdings make up 11% of its $63.9B portfolio in Q1 2026.
- Jim Simons opened 624 new positions and closed 596 in Q1 2026.
- Jim Simons's portfolio value fell 0.82% quarter-over-quarter to $63.9B.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.