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 | |
|---|---|---|---|---|---|---|
1926
Trevi Therapeutics
TRVI
$2.53B
| $2.68M | ﹤0.01% |
489,300
+400,400
| +450% | +$2.49M |
|
1927
FreightCar America
RAIL
$243M
| $2.67M | ﹤0.01% |
310,111
-143,506
| -32% | -$999K |
|
1928
Capital Group Growth ETF
CGGR
$25.3B
| $2.66M | ﹤0.01% |
+65,500
| New | +$2.39M |
|
1929
F&G Annuities & Life
FG
$3.48B
| $2.65M | ﹤0.01% |
83,000
+21,600
| +35% | +$717K |
|
1930
Newell Brands
NWL
$2.62B
| $2.65M | ﹤0.01% |
491,527
-475,100
| -49% | -$2.52M |
|
1931
Ranger Energy Services
RNGR
$405M
| $2.65M | ﹤0.01% |
222,090
+31,600
| +17% | +$379K |
|
|
WSR
1932
DELISTED
Whitestone REIT
WSR
| $2.65M | ﹤0.01% |
212,184
+138,200
| +187% | +$1.76M |
|
1933
Varex Imaging
VREX
$778M
| $2.65M | ﹤0.01% |
305,200
-3,500
| -1% | -$28.5K |
|
1934
Transcat
TRNS
$888M
| $2.64M | ﹤0.01% |
30,700
+22,300
| +265% | +$1.82M |
|
1935
Vanguard FTSE Emerging Markets ETF
VWO
$126B
| $2.64M | ﹤0.01% |
+53,300
| New | +$2.47M |
|
1936
iShares Fallen Angels USD Bond ETF
FALN
$1.61B
| $2.63M | ﹤0.01% |
97,084
+78,884
| +433% | +$2.08M |
|
1937
Grupo Aval
AVAL
$6.35B
| $2.63M | ﹤0.01% |
936,272
+43,000
| +5% | +$118K |
|
1938
Northrim BanCorp
NRIM
$599M
| $2.63M | ﹤0.01% |
112,800
-4,400
| -4% | -$91.5K |
|
1939
Xtrackers MSCI EAFE Hedged Equity ETF
DBEF
$9.46B
| $2.63M | ﹤0.01% |
60,095
-98,105
| -62% | -$4.26M |
|
|
ATYR
1940
aTyr Pharma
ATYR
$54.2M
| $2.63M | ﹤0.01% |
518,355
+38,400
| +8% | +$151K |
|
1941
Eastern Company
EML
$154M
| $2.63M | ﹤0.01% |
115,137
-2,000
| -2% | -$45K |
|
1942
AMREP Corp
AXR
$118M
| $2.62M | ﹤0.01% |
125,400
-9,000
| -7% | -$193K |
|
1943
Archrock
AROC
$5.84B
| $2.62M | ﹤0.01% |
105,400
-240,428
| -70% | -$5.89M |
|
1944
Five Point Holdings
FPH
$372M
| $2.62M | ﹤0.01% |
475,600
+100,100
| +27% | +$536K |
|
1945
Range Resources
RRC
$9.39B
| $2.61M | ﹤0.01% |
+64,291
| New | +$2.42M |
|
1946
Marcus & Millichap
MMI
$1.18B
| $2.61M | ﹤0.01% |
85,000
+28,747
| +51% | +$872K |
|
1947
Bank of Marin Bancorp
BMRC
$462M
| $2.61M | ﹤0.01% |
114,092
+11,324
| +11% | +$241K |
|
|
SLI
1948
Standard Lithium
SLI
$574M
| $2.59M | ﹤0.01% |
1,323,474
+1,215,509
| +1,126% | +$1.91M |
|
1949
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.62B
| $2.59M | ﹤0.01% |
60,100
-194,000
| -76% | -$8.21M |
|
1950
Northwest Bancshares
NWBI
$2.3B
| $2.59M | ﹤0.01% |
202,699
-9,015
| -4% | -$109K |
|
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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.