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 | |
|---|---|---|---|---|---|---|
1651
Portillo's
PTLO
$365M
| $4.05M | 0.01% |
347,441
+310,344
| +837% | +$3.58M |
|
1652
YieldMax MSTR Option Income Strategy ETF
MSTY
$751M
| $4.05M | 0.01% |
+36,560
| New | +$4.01M |
|
1653
State Street SPDR S&P Biotech ETF
XBI
$10.3B
| $4.05M | 0.01% |
+48,800
| New | +$3.89M |
|
1654
Sensient Technologies
SXT
$5.53B
| $4.04M | 0.01% |
41,048
+15,548
| +61% | +$1.39M |
|
1655
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$12B
| $4.03M | 0.01% |
30,000
+11,100
| +59% | +$1.37M |
|
1656
First Trust Rising Dividend Achievers ETF
RDVY
$25.8B
| $4.03M | 0.01% |
+64,200
| New | +$3.78M |
|
1657
Aspen Aerogels
ASPN
$504M
| $4.02M | 0.01% |
679,200
-84,900
| -11% | -$488K |
|
1658
First Trust NASDAQ Cybersecurity ETF
CIBR
$16B
| $4.02M | 0.01% |
+53,200
| New | +$3.65M |
|
|
MREO
1659
Mereo BioPharma
MREO
$49.1M
| $4.01M | 0.01% |
1,480,471
+130,000
| +10% | +$314K |
|
1660
El Pollo Loco
LOCO
$471M
| $4M | 0.01% |
363,000
+14,200
| +4% | +$141K |
|
|
AUTL
1661
Autolus Therapeutics
AUTL
$591M
| $3.99M | 0.01% |
1,751,200
+167,075
| +11% | +$276K |
|
1662
Vanguard Morningstar Mega Cap Growth ETF
MGK
$34B
| $3.99M | 0.01% |
+54,500
| New | +$3.59M |
|
1663
KRONOS Worldwide
KRO
$996M
| $3.98M | 0.01% |
641,532
-120,900
| -16% | -$829K |
|
1664
Gran Tierra Energy
GTE
$336M
| $3.96M | 0.01% |
829,580
+29,300
| +4% | +$139K |
|
1665
Mueller Water Products
MWA
$3.98B
| $3.95M | 0.01% |
164,400
-130,100
| -44% | -$3.22M |
|
1666
Alkami Technology
ALKT
$2.22B
| $3.95M | 0.01% |
130,900
-272,100
| -68% | -$7.56M |
|
1667
York Water
YORW
$536M
| $3.94M | 0.01% |
124,536
+28,100
| +29% | +$938K |
|
|
SCS
1668
DELISTED
Steelcase
SCS
| $3.93M | 0.01% |
376,800
+78,300
| +26% | +$806K |
|
|
HERE
1669
Here Group Ltd
HERE
$101M
| $3.93M | 0.01% |
415,700
+378,700
| +1,024% | +$2.64M |
|
1670
CSP Inc
CSPI
$84.2M
| $3.93M | 0.01% |
303,526
-700
| -0.2% | -$10.1K |
|
|
TRUE
1671
DELISTED
TrueCar
TRUE
| $3.93M | 0.01% |
2,066,601
-6,300
| -0.3% | -$9.62K |
|
1672
Dorian LPG
LPG
$1.95B
| $3.92M | 0.01% |
160,972
+143,672
| +830% | +$3.18M |
|
1673
Northeast Community Bancorp
NECB
$371M
| $3.92M | 0.01% |
168,800
-16,000
| -9% | -$362K |
|
|
ZIMV
1674
DELISTED
ZimVie
ZIMV
| $3.91M | 0.01% |
418,500
+58,500
| +16% | +$534K |
|
1675
Invesco KBW Bank ETF
KBWB
$6.84B
| $3.91M | 0.01% |
+54,600
| New | +$3.46M |
|
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.