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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1901
Similarweb
SMWB
$770M
| $2.79M | ﹤0.01% |
355,573
+77,300
| +28% | +$579K |
|
1902
Alerian MLP ETF
AMLP
$13.1B
| $2.79M | ﹤0.01% |
57,000
+14,700
| +35% | +$713K |
|
|
TRTX
1903
TPG RE Finance Trust
TRTX
$610M
| $2.78M | ﹤0.01% |
360,099
-149,900
| -29% | -$1.14M |
|
|
THR
1904
DELISTED
Thermon Group Holdings
THR
| $2.78M | ﹤0.01% |
99,000
-4,900
| -5% | -$133K |
|
1905
First Bancorp
FNLC
$402M
| $2.78M | ﹤0.01% |
109,263
-400
| -0.4% | -$9.7K |
|
1906
Monte Rosa Therapeutics
GLUE
$1.36B
| $2.77M | ﹤0.01% |
615,100
+451,000
| +275% | +$2.01M |
|
1907
Panagram BBB-B CLO ETF
CLOZ
$805M
| $2.77M | ﹤0.01% |
+103,527
| New | +$2.74M |
|
|
TWFG
1908
TWFG Inc
TWFG
$1.44B
| $2.77M | ﹤0.01% |
79,000
-17,444
| -18% | -$582K |
|
|
MITT
1909
TPG Mortgage Investment Trust
MITT
$213M
| $2.76M | ﹤0.01% |
366,141
-55,099
| -13% | -$381K |
|
1910
SR Bancorp
SRBK
$148M
| $2.76M | ﹤0.01% |
204,100
+59,400
| +41% | +$764K |
|
1911
Peoples Bancorp
PEBO
$1.48B
| $2.75M | ﹤0.01% |
90,054
+50,168
| +126% | +$1.47M |
|
1912
Paysafe
PSFE
$352M
| $2.74M | ﹤0.01% |
217,389
-63,800
| -23% | -$873K |
|
1913
Definitive Healthcare
DH
$69.4M
| $2.74M | ﹤0.01% |
703,431
+403,691
| +135% | +$1.27M |
|
1914
Covenant Logistics
CVLG
$865M
| $2.74M | ﹤0.01% |
+113,600
| New | +$2.46M |
|
1915
Denali Therapeutics
DNLI
$4.04B
| $2.74M | ﹤0.01% |
195,700
+22,600
| +13% | +$318K |
|
1916
Fulton Financial
FULT
$4.67B
| $2.74M | ﹤0.01% |
+151,645
| New | +$2.59M |
|
1917
TriMas Corp
TRS
$1.41B
| $2.74M | ﹤0.01% |
+95,600
| New | +$2.35M |
|
1918
Cathay General Bancorp
CATY
$4.3B
| $2.72M | ﹤0.01% |
59,771
-6,700
| -10% | -$285K |
|
1919
Insteel Industries
IIIN
$635M
| $2.71M | ﹤0.01% |
72,840
-5,800
| -7% | -$194K |
|
1920
Franklin International Low Volatility High Dividend Index ETF
LVHI
$5.6B
| $2.69M | ﹤0.01% |
82,700
+28,600
| +53% | +$918K |
|
1921
American States Water
AWR
$3.49B
| $2.69M | ﹤0.01% |
+35,100
| New | +$2.76M |
|
1922
Natural Health Trends
NHTC
$15.4M
| $2.69M | ﹤0.01% |
621,415
-18,000
| -3% | -$86.4K |
|
1923
Defiance Quantum ETF
QTUM
$5.82B
| $2.69M | ﹤0.01% |
29,300
+21,100
| +257% | +$1.71M |
|
1924
MasterCraft Boat Holdings
MCFT
$600M
| $2.69M | ﹤0.01% |
144,656
+2,000
| +1% | +$34.2K |
|
1925
Accenture
ACN
$109B
| $2.68M | ﹤0.01% |
8,972
-307,628
| -97% | -$93.7M |
|
Similar funds
Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.