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 |
Alphabet (Google) Class A
GOOGL
|
+$546M |
| 2 |
Microsoft
MSFT
|
+$480M |
| 3 |
Alphabet (Google) Class C
GOOG
|
+$362M |
| 4 |
Meta Platforms (Facebook)
META
|
+$350M |
| 5 |
Coca-Cola
KO
|
+$266M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Robinhood
HOOD
|
+$1.04B |
| 2 |
Palantir
PLTR
|
+$800M |
| 3 |
Apple
AAPL
|
+$516M |
| 4 |
Netflix
NFLX
|
+$326M |
| 5 |
NVIDIA
NVDA
|
+$313M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 21.71% |
| 2 | Healthcare | 15.16% |
| 3 | Consumer Discretionary | 11.81% |
| 4 | Communication Services | 10.53% |
| 5 | Financials | 9.27% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1176
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.4B
| $8.45M | 0.01% |
169,790
-81,010
| -32% | -$4.01M |
|
1177
Valmont Industries
VMI
$9.6B
| $8.45M | 0.01% |
21,800
+20,500
| +1,577% | +$7.46M |
|
|
CGAU
1178
Centerra Gold
CGAU
$4.23B
| $8.44M | 0.01% |
787,000
+19,800
| +3% | +$158K |
|
1179
Genie Energy
GNE
$385M
| $8.43M | 0.01% |
563,685
-1,500
| -0.3% | -$26.9K |
|
|
GAU
1180
Galiano Gold
GAU
$562M
| $8.42M | 0.01% |
3,846,853
+820,900
| +27% | +$1.53M |
|
1181
Natural Gas Services Group
NGS
$488M
| $8.42M | 0.01% |
300,942
-36,400
| -11% | -$933K |
|
1182
BorgWarner
BWA
$14B
| $8.41M | 0.01% |
191,398
-217,400
| -53% | -$8.69M |
|
1183
Saia
SAIA
$10.2B
| $8.41M | 0.01% |
28,098
-63,200
| -69% | -$19.1M |
|
1184
World Acceptance Corp
WRLD
$912M
| $8.41M | 0.01% |
49,725
+4,300
| +9% | +$724K |
|
|
LIF
1185
Life360
LIF
$4.25B
| $8.41M | 0.01% |
79,100
+27,500
| +53% | +$2.32M |
|
1186
Morgan Stanley Direct Lending Fund
MSDL
$1.31B
| $8.41M | 0.01% |
522,788
+487,168
| +1,368% | +$8.88M |
|
1187
Kemper
KMPR
$1.59B
| $8.37M | 0.01% |
162,310
+133,900
| +471% | +$7.52M |
|
1188
State Street SPDR S&P Regional Banking ETF
KRE
$4.68B
| $8.36M | 0.01% |
132,100
+93,900
| +246% | +$5.92M |
|
1189
FuelCell Energy
FCEL
$1.85B
| $8.34M | 0.01% |
+1,069,000
| New | +$5.81M |
|
1190
ICU Medical
ICUI
$4.57B
| $8.33M | 0.01% |
69,400
-17,200
| -20% | -$2.18M |
|
1191
Target Hospitality
TH
$1.67B
| $8.32M | 0.01% |
981,124
+9,800
| +1% | +$80.8K |
|
1192
Real Brokerage
REAX
$545M
| $8.3M | 0.01% |
1,985,800
+789,890
| +66% | +$3.57M |
|
1193
LifeVantage
LFVN
$80.9M
| $8.29M | 0.01% |
852,018
-42,400
| -5% | -$531K |
|
1194
Starwood Property Trust
STWD
$6.12B
| $8.26M | 0.01% |
426,484
-6,100
| -1% | -$123K |
|
1195
Orrstown Financial Services
ORRF
$853M
| $8.24M | 0.01% |
242,446
-36,500
| -13% | -$1.24M |
|
1196
Regional Management Corp
RM
$308M
| $8.18M | 0.01% |
209,937
-16,500
| -7% | -$621K |
|
1197
Kodiak Gas Services
KGS
$6.51B
| $8.17M | 0.01% |
221,122
-140,200
| -39% | -$4.73M |
|
1198
Gorman-Rupp
GRC
$2.12B
| $8.16M | 0.01% |
175,815
+19,700
| +13% | +$817K |
|
1199
CytomX Therapeutics
CTMX
$723M
| $8.12M | 0.01% |
2,545,260
+683,060
| +37% | +$1.54M |
|
1200
Valero Energy
VLO
$99.4B
| $8.12M | 0.01% |
47,688
+34,588
| +264% | +$5.16M |
|
Similar funds
Jim Simons's Q3 2025 Portfolio in Review
As of Q3 2025, Jim Simons held 4,038 positions worth $75.8B, up 0.77% from $75.2B the previous quarter. Its ten largest holdings account for 11% of the portfolio.
Jim Simons withdrew a net $5.41B in Q3 2025, closing 581 positions and reducing 1,457 holdings. Its most notable exit was GE Aerospace, an estimated $235M position sold in full.
By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 20% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Jim Simons opened a new position in Alphabet (Google) Class C worth $419M.
- Jim Simons's largest Q3 2025 buy was Alphabet (Google) Class C: 1,720,002 shares worth $419M.
- Jim Simons added most to Alphabet (Google) Class A in Q3 2025, an estimated $546M increase.
- Jim Simons's biggest Q3 2025 reduction was Robinhood, cutting an estimated $1.04B.
- Jim Simons fully exited GE Aerospace in Q3 2025, selling an estimated $235M.
- Jim Simons's ten largest holdings make up 11% of its $75.8B portfolio in Q3 2025.
- Jim Simons opened 516 new positions and closed 581 in Q3 2025.
- Jim Simons's portfolio value rose 0.77% quarter-over-quarter to $75.8B.
Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.