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 | |
|---|---|---|---|---|---|---|
2801
Toro Corp
TORO
$195M
| $492K | ﹤0.01% |
156,600
+81,600
| +109% | +$233K |
|
|
TAOX
2802
Tao Synergies Inc
TAOX
$26M
| $492K | ﹤0.01% |
75,045
+54,045
| +257% | +$390K |
|
2803
Pixelworks
PXLW
$45.7M
| $491K | ﹤0.01% |
44,762
+200
| +0.4% | +$1.9K |
|
2804
Fidelity D&D Bancorp
FDBC
$322M
| $491K | ﹤0.01% |
11,191
+400
| +4% | +$17.6K |
|
2805
AN2 Therapeutics
ANTX
$237M
| $490K | ﹤0.01% |
385,597
-13,257
| -3% | -$15.2K |
|
2806
Plumas Bancorp
PLBC
$439M
| $488K | ﹤0.01% |
11,305
-5,795
| -34% | -$251K |
|
2807
American Vanguard Corp
AVD
$64M
| $487K | ﹤0.01% |
84,900
+18,148
| +27% | +$86.5K |
|
2808
Aquestive Therapeutics
AQST
$533M
| $486K | ﹤0.01% |
+87,000
| New | +$376K |
|
|
CTNM
2809
Contineum Therapeutics
CTNM
$564M
| $484K | ﹤0.01% |
41,200
+26,796
| +186% | +$216K |
|
|
OKUR
2810
OnKure Therapeutics
OKUR
$159M
| $483K | ﹤0.01% |
175,750
+53,114
| +43% | +$132K |
|
2811
Virtus Investment Partners
VRTS
$1.12B
| $481K | ﹤0.01% |
2,529
-4,700
| -65% | -$925K |
|
2812
Bristow Group
VTOL
$1.36B
| $479K | ﹤0.01% |
+13,273
| New | +$487K |
|
2813
Bread Financial
BFH
$4.51B
| $476K | ﹤0.01% |
8,542
-12,100
| -59% | -$747K |
|
2814
Apyx Medical
APYX
$126M
| $474K | ﹤0.01% |
221,697
+40,302
| +22% | +$85.3K |
|
2815
Rocky Mountain Chocolate Factory
RMCF
$15.6M
| $474K | ﹤0.01% |
298,218
-3,929
| -1% | -$6.41K |
|
2816
Century Casinos
CNTY
$34.3M
| $474K | ﹤0.01% |
181,649
+5,200
| +3% | +$13K |
|
2817
Ocugen
OCGN
$458M
| $473K | ﹤0.01% |
+290,200
| New | +$322K |
|
2818
Capital Group Dividend Growers ETF
CGDG
$5.63B
| $471K | ﹤0.01% |
+13,600
| New | +$463K |
|
2819
Union Bankshares
UNB
$120M
| $471K | ﹤0.01% |
19,013
+1,855
| +11% | +$49.6K |
|
2820
Geospace Technologies
GEOS
$67.9M
| $470K | ﹤0.01% |
24,800
-20,400
| -45% | -$330K |
|
|
XMAX
2821
XMAX Inc
XMAX
$567M
| $470K | ﹤0.01% |
85,300
+70,700
| +484% | +$210K |
|
2822
SELLAS Life Sciences
SLS
$2.5B
| $470K | ﹤0.01% |
+291,822
| New | +$520K |
|
2823
Auburn National Bancorp
AUBN
$92.8M
| $470K | ﹤0.01% |
16,509
| – | – |
|
|
SF
2824
Stifel
SF
$12.9B
| $467K | ﹤0.01% |
6,173
-89,100
| -94% | -$6.67M |
|
2825
First Commonwealth Financial
FCF
$2.18B
| $465K | ﹤0.01% |
27,300
-32,600
| -54% | -$557K |
|
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.