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 | |
|---|---|---|---|---|---|---|
3301
China SXT Pharmaceuticals
SXTC
$1.76M
| $69.9K | ﹤0.01% |
+4
| New | +$79K |
|
3302
Hyperfine
HYPR
$94.7M
| $68.3K | ﹤0.01% |
47,098
+198
| +0.4% | +$231 |
|
3303
Urban One Class A
UONE
$23.5M
| $66.7K | ﹤0.01% |
4,800
+80
| +2% | +$1.29K |
|
|
SOHO
3304
DELISTED
Sotherly Hotels
SOHO
| $66.7K | ﹤0.01% |
83,314
+2,600
| +3% | +$2.17K |
|
3305
AquaBounty Technologies
AQB
$7.72M
| $66.1K | ﹤0.01% |
29,520
+9,200
| +45% | +$9.09K |
|
|
SYBX
3306
DELISTED
Synlogic
SYBX
| $65.9K | ﹤0.01% |
39,510
+15,700
| +66% | +$23.4K |
|
|
HKD
3307
AMTD Digital
HKD
$531M
| $65.9K | ﹤0.01% |
36,600
+17,400
| +91% | +$30.4K |
|
3308
Leslie's
LESL
$7.21M
| $65.7K | ﹤0.01% |
11,950
-25,050
| -68% | -$185K |
|
3309
X4 Pharmaceuticals
XFOR
$425M
| $65.6K | ﹤0.01% |
19,177
+1,811
| +10% | +$4.67K |
|
|
PDC
3310
Perpetuals.com Ltd
PDC
$21.5M
| $64.8K | ﹤0.01% |
+25,363
| New | +$76.4K |
|
3311
MIRA Pharmaceuticals
MIRA
$31.5M
| $63.5K | ﹤0.01% |
+46,700
| New | +$67.8K |
|
3312
Vivani Medical
VANI
$116M
| $63.3K | ﹤0.01% |
+44,858
| New | +$60.8K |
|
3313
Wetouch Technology
WETH
$14.8M
| $62.6K | ﹤0.01% |
50,100
+3,700
| +8% | +$3.75K |
|
3314
Odyssey Marine Exploration
OMEX
$53.4M
| $62.3K | ﹤0.01% |
+31,957
| New | +$51.5K |
|
3315
Tandy Leather Factory
TLF
$20.6M
| $62.3K | ﹤0.01% |
20,755
+8,655
| +72% | +$28.1K |
|
3316
Edesa Biotech
EDSA
$52.3M
| $61.8K | ﹤0.01% |
+25,000
| New | +$57.8K |
|
|
ICON
3317
Icon Energy
ICON
$3.78M
| $59.6K | ﹤0.01% |
+5,672
| New | +$66.9K |
|
3318
CBAK Energy Technology Ltd
CBAT
$65.5M
| $59.4K | ﹤0.01% |
+66,347
| New | +$64.7K |
|
|
YI
3319
111 Inc
YI
$33.4M
| $59.2K | ﹤0.01% |
13,014
| – | – |
|
3320
CollPlant Biotechnologies
CLGN
$6.02M
| $58.9K | ﹤0.01% |
21,900
-19,700
| -47% | -$47K |
|
3321
Smith Micro Software
SMSI
$16.2M
| $56.5K | ﹤0.01% |
15,628
+4,460
| +40% | +$17.3K |
|
3322
Nocera
NCRA
$3.7M
| $56.5K | ﹤0.01% |
+1,177
| New | +$51.3K |
|
|
DMRA
3323
Damora Therapeutics, Inc. Ordinary Shares
DMRA
$1.9B
| $56K | ﹤0.01% |
15,044
+500
| +3% | +$1.69K |
|
|
SAGT
3324
Sagtec Global
SAGT
$13.1M
| $55.5K | ﹤0.01% |
+26,700
| New | +$55.7K |
|
3325
Cenntro
CENN
$8.41M
| $55.2K | ﹤0.01% |
1,574
+875
| +125% | +$30.1K |
|
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.