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 | |
|---|---|---|---|---|---|---|
2151
ARK 21Shares Bitcoin ETF
ARKB
$2.4B
| $1.77M | ﹤0.01% |
46,600
-117,200
| -72% | -$4.46M |
|
2152
Vanguard Dividend Appreciation ETF
VIG
$114B
| $1.77M | ﹤0.01% |
+8,200
| New | +$1.72M |
|
2153
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.47B
| $1.77M | ﹤0.01% |
36,683
-95,207
| -72% | -$4.58M |
|
2154
PIMCO 0-5 Year High Yield Corporate Bond Index Exchange-Traded Fund
HYS
$1.78B
| $1.77M | ﹤0.01% |
18,464
-14,136
| -43% | -$1.34M |
|
2155
ProShares UltraPro Dow 30
UDOW
$924M
| $1.77M | ﹤0.01% |
+33,000
| New | +$1.64M |
|
2156
Journey Medical
DERM
$185M
| $1.77M | ﹤0.01% |
247,900
+4,400
| +2% | +$31.9K |
|
2157
Automatic Data Processing
ADP
$108B
| $1.76M | ﹤0.01% |
+6,000
| New | +$1.81M |
|
2158
Virco
VIRC
$95.2M
| $1.75M | ﹤0.01% |
226,011
+3,900
| +2% | +$31.8K |
|
2159
Brown-Forman Class A
BF.A
$13.3B
| $1.75M | ﹤0.01% |
65,076
-3,100
| -5% | -$90.1K |
|
2160
iShares MSCI Saudi Arabia ETF
KSA
$624M
| $1.75M | ﹤0.01% |
43,095
+28,295
| +191% | +$1.08M |
|
|
MTLS
2161
Materialise
MTLS
$400M
| $1.75M | ﹤0.01% |
313,800
-500
| -0.2% | -$2.68K |
|
2162
Diamondrock Hospitality Co
DRH
$2.53B
| $1.75M | ﹤0.01% |
219,300
+184,300
| +527% | +$1.49M |
|
2163
SunPower Inc
SPWR
$44.3M
| $1.74M | ﹤0.01% |
989,900
+647,188
| +189% | +$1.07M |
|
2164
Grocery Outlet
GO
$1.1B
| $1.73M | ﹤0.01% |
108,046
-360,254
| -77% | -$5.75M |
|
|
GLIBK
2165
Liberty Capital Corp Series C GCI Group Common Stock
GLIBK
$1.07B
| $1.73M | ﹤0.01% |
+46,499
| New | +$1.64M |
|
2166
OGE Energy
OGE
$9.81B
| $1.73M | ﹤0.01% |
37,400
-7,757
| -17% | -$347K |
|
2167
First Community Bankshares
FCBC
$936M
| $1.73M | ﹤0.01% |
49,686
-25,147
| -34% | -$951K |
|
|
THR
2168
DELISTED
Thermon Group Holdings
THR
| $1.73M | ﹤0.01% |
64,600
-34,400
| -35% | -$925K |
|
2169
iShares US Financials ETF
IYF
$4.43B
| $1.72M | ﹤0.01% |
13,600
-10,300
| -43% | -$1.27M |
|
2170
Aspen Aerogels
ASPN
$485M
| $1.72M | ﹤0.01% |
246,900
-432,300
| -64% | -$3.05M |
|
2171
iShares Fallen Angels USD Bond ETF
FALN
$1.61B
| $1.72M | ﹤0.01% |
61,800
-35,284
| -36% | -$961K |
|
2172
Arcos Dorados Holdings
ARCO
$1.67B
| $1.72M | ﹤0.01% |
254,334
-114,100
| -31% | -$810K |
|
2173
Stagwell
STGW
$2.23B
| $1.72M | ﹤0.01% |
304,800
+293,300
| +2,550% | +$1.56M |
|
2174
Nurix Therapeutics
NRIX
$2.81B
| $1.71M | ﹤0.01% |
184,800
+162,900
| +744% | +$1.69M |
|
2175
Vermilion Energy
VET
$1.73B
| $1.71M | ﹤0.01% |
218,100
+7,600
| +4% | +$58.7K |
|
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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.