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 | |
|---|---|---|---|---|---|---|
1126
Evertec
EVTC
$1.91B
| $9.35M | 0.01% |
276,826
-4,300
| -2% | -$150K |
|
1127
Allegiant Air
ALGT
$2.36B
| $9.32M | 0.01% |
153,400
-21,300
| -12% | -$1.22M |
|
1128
Hilltop Holdings
HTH
$2.25B
| $9.31M | 0.01% |
278,684
-35,400
| -11% | -$1.15M |
|
1129
Ardelyx
ARDX
$1.01B
| $9.31M | 0.01% |
1,690,093
+388,900
| +30% | +$2.11M |
|
1130
Mitsubishi UFJ Financial
MUFG
$260B
| $9.3M | 0.01% |
583,228
+541,017
| +1,282% | +$8.01M |
|
1131
Foster
FSTR
$405M
| $9.27M | 0.01% |
343,982
-1,300
| -0.4% | -$32.2K |
|
|
ETOR
1132
eToro Group
ETOR
$2.3B
| $9.27M | 0.01% |
+224,600
| New | +$11.6M |
|
1133
Middleby
MIDD
$5.29B
| $9.26M | 0.01% |
69,670
-11,400
| -14% | -$1.58M |
|
1134
InterContinental Hotels
IHG
$23.5B
| $9.16M | 0.01% |
75,500
-38,400
| -34% | -$4.6M |
|
1135
AtriCure
ATRC
$2.22B
| $9.12M | 0.01% |
258,800
-118,900
| -31% | -$4.1M |
|
1136
Primerica
PRI
$9.62B
| $9.1M | 0.01% |
32,800
-4,500
| -12% | -$1.21M |
|
1137
KraneShares CSI China Internet ETF
KWEB
$5.31B
| $9.07M | 0.01% |
+216,000
| New | +$8.1M |
|
1138
Artesian Resources
ARTNA
$362M
| $9.06M | 0.01% |
278,056
+19,800
| +8% | +$656K |
|
1139
Turning Point Brands
TPB
$1.73B
| $9.05M | 0.01% |
91,552
-165,600
| -64% | -$15M |
|
1140
Bank First Corp
BFC
$1.74B
| $9.04M | 0.01% |
74,500
+14,486
| +24% | +$1.8M |
|
1141
Encompass Health
EHC
$12.3B
| $9.02M | 0.01% |
71,000
+18,600
| +35% | +$2.21M |
|
1142
Lindsay Corp
LNN
$1.18B
| $8.99M | 0.01% |
63,924
+37,524
| +142% | +$5.22M |
|
|
BFS
1143
Saul Centers
BFS
$850M
| $8.98M | 0.01% |
281,654
+5,580
| +2% | +$184K |
|
|
MLNK
1144
DELISTED
MeridianLink
MLNK
| $8.96M | 0.01% |
449,500
+77,867
| +21% | +$1.43M |
|
1145
Kraft Heinz
KHC
$30.1B
| $8.96M | 0.01% |
343,900
-25,500
| -7% | -$693K |
|
1146
Thor Industries
THO
$4.11B
| $8.95M | 0.01% |
+86,300
| New | +$8.69M |
|
1147
Workday
WDAY
$51B
| $8.93M | 0.01% |
37,100
-68,336
| -65% | -$15.8M |
|
1148
Wipro
WIT
$19.4B
| $8.91M | 0.01% |
3,387,300
+810,100
| +31% | +$2.28M |
|
1149
US Physical Therapy
USPH
$1.22B
| $8.91M | 0.01% |
104,845
+24,422
| +30% | +$1.96M |
|
1150
Information Services Group
III
$249M
| $8.89M | 0.01% |
1,546,624
+130,715
| +9% | +$650K |
|
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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.