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 | |
|---|---|---|---|---|---|---|
1726
GraniteShares Gold Shares
BAR
$1.47B
| $3.33M | ﹤0.01% |
87,500
-67,600
| -44% | -$2.31M |
|
1727
iShares US Technology ETF
IYW
$25.6B
| $3.33M | ﹤0.01% |
17,000
+2,500
| +17% | +$457K |
|
1728
Portillo's
PTLO
$374M
| $3.33M | ﹤0.01% |
516,097
+168,656
| +49% | +$1.42M |
|
1729
Transcat
TRNS
$877M
| $3.32M | ﹤0.01% |
45,400
+14,700
| +48% | +$1.18M |
|
1730
Nordic American Tanker
NAT
$1.42B
| $3.32M | ﹤0.01% |
1,057,100
-247,900
| -19% | -$732K |
|
|
ACH
1731
Accendra Health
ACH
$73.1M
| $3.32M | ﹤0.01% |
690,800
-163,450
| -19% | -$1.04M |
|
|
ONTF
1732
DELISTED
ON24
ONTF
| $3.3M | ﹤0.01% |
576,534
+4,500
| +0.8% | +$24.2K |
|
1733
Domo
DOMO
$184M
| $3.3M | ﹤0.01% |
208,080
-156,807
| -43% | -$2.43M |
|
1734
CarMax
KMX
$8.5B
| $3.29M | ﹤0.01% |
73,300
-481,500
| -87% | -$28.8M |
|
1735
Varex Imaging
VREX
$779M
| $3.28M | ﹤0.01% |
264,900
-40,300
| -13% | -$399K |
|
1736
Orion Group Holdings
ORN
$402M
| $3.26M | ﹤0.01% |
392,197
+2,400
| +0.6% | +$18.9K |
|
1737
The RealReal
REAL
$1.39B
| $3.25M | ﹤0.01% |
305,500
-336,800
| -52% | -$2.49M |
|
|
KW
1738
DELISTED
Kennedy-Wilson Holdings
KW
| $3.25M | ﹤0.01% |
390,200
-109,600
| -22% | -$879K |
|
1739
Geron
GERN
$943M
| $3.24M | ﹤0.01% |
2,364,280
-2,634,820
| -53% | -$3.51M |
|
1740
SR Bancorp
SRBK
$146M
| $3.24M | ﹤0.01% |
214,500
+10,400
| +5% | +$151K |
|
1741
Central Garden & Pet Co
CENT
$2.74B
| $3.24M | ﹤0.01% |
99,087
+6,776
| +7% | +$250K |
|
1742
Goldman Sachs ETF Trust Goldman Sachs Nasdaq-100 Premium Income ETF
GPIQ
$5.4B
| $3.22M | ﹤0.01% |
+61,400
| New | +$3.11M |
|
1743
Lineage Cell Therapeutics
LCTX
$271M
| $3.22M | ﹤0.01% |
1,905,633
-66,702
| -3% | -$78.9K |
|
1744
Sun Life Financial
SLF
$45.1B
| $3.22M | ﹤0.01% |
53,600
-20,000
| -27% | -$1.2M |
|
1745
Sasol
SSL
$7.39B
| $3.22M | ﹤0.01% |
517,000
+123,200
| +31% | +$720K |
|
1746
Portland General Electric
POR
$5.97B
| $3.21M | ﹤0.01% |
72,900
+61,100
| +518% | +$2.56M |
|
1747
Matrix Service
MTRX
$335M
| $3.2M | ﹤0.01% |
244,600
+11,400
| +5% | +$162K |
|
|
VNET
1748
VNET Group
VNET
$2.16B
| $3.19M | ﹤0.01% |
308,769
-1,087,578
| -78% | -$9.16M |
|
|
NLOP
1749
Net Lease Office Properties
NLOP
$172M
| $3.19M | ﹤0.01% |
107,500
-42,400
| -28% | -$1.33M |
|
1750
PetMed Express
PETS
$38.9M
| $3.19M | ﹤0.01% |
1,268,969
-4,900
| -0.4% | -$15.2K |
|
Similar funds
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.