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 |
Costco
COST
|
+$616M |
| 2 |
Netflix
NFLX
|
+$481M |
| 3 |
Micron Technology
MU
|
+$416M |
| 4 |
Tesla
TSLA
|
+$416M |
| 5 |
Procter & Gamble
PG
|
+$322M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
NVIDIA
NVDA
|
+$885M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$660M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$463M |
| 4 |
Applovin
APP
|
+$430M |
| 5 |
Meta Platforms (Facebook)
META
|
+$354M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 20.84% |
| 2 | Healthcare | 15.77% |
| 3 | Consumer Discretionary | 13.88% |
| 4 | Industrials | 9.94% |
| 5 | Financials | 8.79% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1176
ProPetro Holding
PUMP
$1.42B
| $6.27M | 0.01% |
659,100
+475,126
| +258% | +$4.13M |
|
1177
Daily Journal
DJCO
$828M
| $6.26M | 0.01% |
+12,851
| New | +$5.71M |
|
|
GTY
1178
Getty Realty Corp
GTY
$2.04B
| $6.26M | 0.01% |
228,724
-10,200
| -4% | -$282K |
|
1179
Wipro
WIT
$19.4B
| $6.24M | 0.01% |
2,198,400
-1,188,900
| -35% | -$3.25M |
|
|
NXDR
1180
Nextdoor Holdings
NXDR
$998M
| $6.24M | 0.01% |
2,972,339
+396,507
| +15% | +$777K |
|
1181
Editas Medicine
EDIT
$432M
| $6.23M | 0.01% |
3,039,778
+1,762,378
| +138% | +$5.09M |
|
1182
Hippo Holdings
HIPO
$868M
| $6.22M | 0.01% |
206,620
+67,816
| +49% | +$2.27M |
|
1183
2x Bitcoin ETF
BITX
$862M
| $6.21M | 0.01% |
224,000
+202,000
| +918% | +$8.17M |
|
1184
Celsius Holdings
CELH
$7.28B
| $6.21M | 0.01% |
+135,800
| New | +$6.84M |
|
1185
Apogee Enterprises
APOG
$897M
| $6.21M | 0.01% |
170,583
+42,000
| +33% | +$1.59M |
|
1186
Grupo SIMEC
SIM
$4.68B
| $6.2M | 0.01% |
208,970
-1,900
| -0.9% | -$53.8K |
|
|
NPKI
1187
NPK International
NPKI
$1.19B
| $6.19M | 0.01% |
519,308
-49,033
| -9% | -$598K |
|
1188
Hilltop Holdings
HTH
$2.25B
| $6.19M | 0.01% |
182,384
-96,300
| -35% | -$3.23M |
|
1189
Interface
TILE
$2.23B
| $6.19M | 0.01% |
221,641
-115,100
| -34% | -$3.14M |
|
|
AUTL
1190
Autolus Therapeutics
AUTL
$591M
| $6.18M | 0.01% |
3,105,404
-1,775,968
| -36% | -$2.73M |
|
|
PSIX
1191
Power Solutions International
PSIX
$947M
| $6.17M | 0.01% |
107,898
+1,400
| +1% | +$99.9K |
|
1192
C&F Financial
CFFI
$288M
| $6.13M | 0.01% |
84,479
-3,281
| -4% | -$229K |
|
1193
MDU Resources
MDU
$4.27B
| $6.11M | 0.01% |
313,050
+266,300
| +570% | +$5.24M |
|
1194
Red Rock Resorts
RRR
$3.73B
| $6.11M | 0.01% |
98,600
+22,900
| +30% | +$1.34M |
|
1195
Capital Group Municipal Income ETF
CGMU
$6.59B
| $6.09M | 0.01% |
222,349
+49,149
| +28% | +$1.35M |
|
1196
Playtika
PLTK
$961M
| $6.07M | 0.01% |
1,537,125
-15,869
| -1% | -$62.1K |
|
1197
Constellation Brands
STZ
$23.3B
| $6.05M | 0.01% |
+43,850
| New | +$6.02M |
|
1198
Loar Holdings
LOAR
$6.93B
| $6.02M | 0.01% |
+88,600
| New | +$6.46M |
|
1199
iShares US Real Estate ETF
IYR
$4.58B
| $5.99M | 0.01% |
63,800
-6,400
| -9% | -$610K |
|
1200
Flywire
FLYW
$2.22B
| $5.96M | 0.01% |
420,900
-141,300
| -25% | -$1.93M |
|
Similar funds
Jim Simons's Q4 2025 Portfolio in Review
As of Q4 2025, Jim Simons held 3,923 positions worth $64.5B, down 15% from $75.8B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons withdrew a net $10.1B in Q4 2025, closing 737 positions and reducing 1,682 holdings. Its most notable exit was Meta Platforms (Facebook), an estimated $354M position sold in full.
By sector, the portfolio is most concentrated in Technology at 21% of assets, down from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in ServiceNow worth $204M.
- Jim Simons's largest Q4 2025 buy was ServiceNow: 1,331,977 shares worth $204M.
- Jim Simons added most to Costco in Q4 2025, an estimated $616M increase.
- Jim Simons's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $885M.
- Jim Simons fully exited Meta Platforms (Facebook) in Q4 2025, selling an estimated $354M.
- Jim Simons's ten largest holdings make up 12% of its $64.5B portfolio in Q4 2025.
- Jim Simons opened 466 new positions and closed 737 in Q4 2025.
- Jim Simons's portfolio value fell 15% quarter-over-quarter to $64.5B.
Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.