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 | |
|---|---|---|---|---|---|---|
3326
Elutia
ELUT
$38M
| $55.2K | ﹤0.01% |
61,993
+24,977
| +67% | +$46.3K |
|
|
ITRM
3327
DELISTED
Iterum Therapeutics
ITRM
| $54.7K | ﹤0.01% |
81,694
-390,206
| -83% | -$306K |
|
3328
Mega Matrix
MPU
$13.7M
| $54.7K | ﹤0.01% |
+45,596
| New | +$107K |
|
3329
BiomX
PHGE
$1.67M
| $53.8K | ﹤0.01% |
5,391
+4,059
| +305% | +$37.4K |
|
|
LNAI
3330
Lunai Bioworks
LNAI
$10.2M
| $53.6K | ﹤0.01% |
+4,720
| New | +$91K |
|
3331
Huadi International Group
HUDI
$13.4M
| $53.6K | ﹤0.01% |
+39,400
| New | +$51.1K |
|
3332
Versus Systems
VS
$8.45M
| $53.5K | ﹤0.01% |
25,240
+12,140
| +93% | +$27.3K |
|
3333
Matinas BioPharma
MTNB
$1.49M
| $53.4K | ﹤0.01% |
28,270
+3,600
| +15% | +$5.17K |
|
3334
TOP Financial Group
TOP
$1.35B
| $53K | ﹤0.01% |
8,220
+1,100
| +15% | +$6.8K |
|
3335
VolitionRx Ltd
VNRX
$7.6M
| $52.9K | ﹤0.01% |
3,900
+2,875
| +280% | +$38.3K |
|
3336
Dawson Geophysical
DWSN
$142M
| $52.4K | ﹤0.01% |
+29,788
| New | +$45.3K |
|
|
ADGM
3337
Adagio Medical Holdings
ADGM
$15.3M
| $52.4K | ﹤0.01% |
+27,000
| New | +$41.9K |
|
|
MOGU
3338
MOGU Inc
MOGU
$16.3M
| $51.6K | ﹤0.01% |
15,057
| – | – |
|
3339
Cibus
CBUS
$145M
| $51.3K | ﹤0.01% |
+39,800
| New | +$57.6K |
|
3340
Nexalin Technology
NXL
$7.71M
| $51.1K | ﹤0.01% |
55,700
+9,356
| +20% | +$8.84K |
|
3341
374Water
SCWO
$44.6M
| $50.5K | ﹤0.01% |
+17,586
| New | +$48.1K |
|
|
ICG
3342
Intchains Group
ICG
$53.3M
| $49.8K | ﹤0.01% |
29,400
-1,300
| -4% | -$2.94K |
|
3343
Boxlight
BOXL
$4.54M
| $49.8K | ﹤0.01% |
574
+47
| +9% | +$3.52K |
|
|
APUS
3344
Apimeds Pharmaceuticals US
APUS
$7.09M
| $49.6K | ﹤0.01% |
+2,789
| New | +$51.7K |
|
3345
Yunhong Green CTI Ltd
YHGJ
$8.87M
| $48.8K | ﹤0.01% |
10,817
-340
| -3% | -$2.18K |
|
3346
Dolphin Entertainment
DLPN
$15.9M
| $48.5K | ﹤0.01% |
37,900
+4,800
| +15% | +$5.81K |
|
|
ZKH
3347
ZKH Group
ZKH
$465M
| $48.1K | ﹤0.01% |
16,879
+6,779
| +67% | +$20.3K |
|
3348
Volato Group
SOAR
$8.78M
| $47.4K | ﹤0.01% |
+26,800
| New | +$41K |
|
3349
SKYX Platforms
SKYX
$148M
| $47.3K | ﹤0.01% |
+42,200
| New | +$47.9K |
|
3350
Cryo-Cell International
CCEL
$31.4M
| $47.3K | ﹤0.01% |
+10,184
| New | +$48.3K |
|
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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.