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 | |
|---|---|---|---|---|---|---|
1576
Aviat Networks
AVNW
$287M
| $4.42M | 0.01% |
192,580
+43,100
| +29% | +$990K |
|
1577
Dime Commercial Bancshares
DCOM
$1.81B
| $4.39M | 0.01% |
147,316
-74,099
| -33% | -$2.17M |
|
|
TRML
1578
DELISTED
Tourmaline Bio
TRML
| $4.39M | 0.01% |
+91,850
| New | +$2.55M |
|
1579
VanEck Merk Gold Trust
OUNZ
$2.71B
| $4.37M | 0.01% |
117,600
+19,300
| +20% | +$643K |
|
1580
Dyne Therapeutics
DYN
$4.8B
| $4.37M | 0.01% |
+345,500
| New | +$3.94M |
|
1581
Fossil Group
FOSL
$329M
| $4.35M | 0.01% |
1,692,485
+130,421
| +8% | +$308K |
|
|
OLPX
1582
DELISTED
Olaplex Holdings
OLPX
| $4.35M | 0.01% |
3,319,500
-144,600
| -4% | -$207K |
|
|
SCHV
1583
Schwab US Large-Cap Value ETF
SCHV
$16.3B
| $4.33M | 0.01% |
148,800
+41,700
| +39% | +$1.18M |
|
1584
3D Systems Corp
DDD
$616M
| $4.33M | 0.01% |
1,492,205
+408,300
| +38% | +$841K |
|
1585
PC Connection
CNXN
$2.05B
| $4.33M | 0.01% |
69,800
-3,100
| -4% | -$198K |
|
1586
First United
FUNC
$293M
| $4.32M | 0.01% |
117,595
-4,500
| -4% | -$158K |
|
1587
Structure Therapeutics
GPCR
$3.87B
| $4.31M | 0.01% |
153,900
+42,000
| +38% | +$837K |
|
|
SLI
1588
Standard Lithium
SLI
$586M
| $4.3M | 0.01% |
1,275,711
-47,763
| -4% | -$133K |
|
|
CMBT
1589
CMB.TECH NV
CMBT
$5B
| $4.29M | 0.01% |
+457,200
| New | +$4.19M |
|
1590
Compañía de Cervecerías Unidas
CCU
$2.18B
| $4.27M | 0.01% |
351,965
-39,100
| -10% | -$478K |
|
1591
KRONOS Worldwide
KRO
$975M
| $4.27M | 0.01% |
743,088
+101,556
| +16% | +$615K |
|
1592
Cognyte Software
CGNT
$674M
| $4.26M | 0.01% |
506,911
-70,800
| -12% | -$627K |
|
1593
JELD-WEN Holding
JELD
$167M
| $4.26M | 0.01% |
866,900
+806,600
| +1,338% | +$4.31M |
|
1594
Astec Industries
ASTE
$997M
| $4.25M | 0.01% |
88,245
-35,900
| -29% | -$1.57M |
|
1595
First Hawaiian
FHB
$3.37B
| $4.23M | 0.01% |
170,500
-119,700
| -41% | -$3.02M |
|
|
PLGO
1596
Pelagos Insurance Capital
PLGO
$2.04B
| $4.23M | 0.01% |
233,040
-138,771
| -37% | -$2.31M |
|
1597
CVB Financial
CVBF
$4.09B
| $4.22M | 0.01% |
223,388
-176,400
| -44% | -$3.51M |
|
|
NOA
1598
North American Construction
NOA
$375M
| $4.21M | 0.01% |
296,400
-18,500
| -6% | -$269K |
|
1599
Suzano
SUZ
$9.99B
| $4.21M | 0.01% |
447,700
+130,000
| +41% | +$1.23M |
|
1600
Horace Mann Educators
HMN
$2.13B
| $4.21M | 0.01% |
93,100
+8,200
| +10% | +$360K |
|
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.