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 | |
|---|---|---|---|---|---|---|
3351
AEye
LIDR
$59.5M
| $46.1K | ﹤0.01% |
+18,500
| New | +$44.3K |
|
3352
Immix Biopharma
IMMX
$777M
| $44.9K | ﹤0.01% |
+21,500
| New | +$51.6K |
|
3353
Talphera
TLPH
$62.8M
| $44.9K | ﹤0.01% |
50,214
+27,688
| +123% | +$16.1K |
|
3354
Noodles & Co
NDLS
$100M
| $43.8K | ﹤0.01% |
8,613
-15,556
| -64% | -$97.1K |
|
|
XTKG
3355
DELISTED
X3 Holdings Co., Ltd. Class A Ordinary Shares
XTKG
| $43.6K | ﹤0.01% |
146
+26
| +22% | +$9.11K |
|
|
ISPO
3356
DELISTED
Inspirato
ISPO
| $43K | ﹤0.01% |
14,535
-900
| -6% | -$2.74K |
|
|
BEDU
3357
DELISTED
Bright Scholar Education Holdings
BEDU
| $42.9K | ﹤0.01% |
22,025
-1,200
| -5% | -$2.14K |
|
|
FLZH
3358
Flash Sports & Media Holdings
FLZH
$74.9M
| $42.6K | ﹤0.01% |
4,140
+1,304
| +46% | +$14.1K |
|
|
LGVN
3359
Longeveron
LGVN
$22M
| $42.5K | ﹤0.01% |
+56,600
| New | +$62.1K |
|
3360
DSS Inc
DSS
$5.18M
| $42.5K | ﹤0.01% |
31,448
+4,000
| +15% | +$4.35K |
|
3361
Solarmax Technology
SMXT
$20M
| $42.3K | ﹤0.01% |
+3,358
| New | +$44.3K |
|
3362
ESS Tech
GWH
$19.6M
| $41.9K | ﹤0.01% |
27,560
| – | – |
|
3363
BARK
BARK
$94.3M
| $41.7K | ﹤0.01% |
2,510
-4,846
| -66% | -$85.6K |
|
3364
VerifyMe
VRME
$9.06M
| $41.2K | ﹤0.01% |
46,458
-45,542
| -50% | -$39.6K |
|
3365
Syntec Optics
OPTX
$352M
| $40.7K | ﹤0.01% |
26,282
-19,818
| -43% | -$31.9K |
|
|
XCH
3366
XCHG Ltd
XCH
$23.6M
| $40.5K | ﹤0.01% |
31,400
+20,100
| +178% | +$25.6K |
|
3367
Intelligent Living
ILAG
$6.69M
| $40.4K | ﹤0.01% |
6,361
+5,071
| +393% | +$27.9K |
|
3368
Blend Labs
BLND
$367M
| $39.8K | ﹤0.01% |
10,900
-1,159,300
| -99% | -$4.16M |
|
3369
Coherus Oncology
CHRS
$176M
| $39.5K | ﹤0.01% |
24,100
-498,825
| -95% | -$555K |
|
|
LOT
3370
Lotus Technology
LOT
$616M
| $38.7K | ﹤0.01% |
+18,900
| New | +$39.7K |
|
|
PLUT
3371
Plutus Financial Group
PLUT
| $38.5K | ﹤0.01% |
+11,300
| New | +$34.3K |
|
3372
Magic Empire Global Ltd
MEGL
$6.23M
| $38.4K | ﹤0.01% |
+25,248
| New | +$37.8K |
|
3373
Peraso
PRSO
$10.3M
| $38.3K | ﹤0.01% |
30,600
-87,594
| -74% | -$88K |
|
3374
TherapeuticsMD
TXMD
$24.1M
| $38.2K | ﹤0.01% |
35,500
+20,600
| +138% | +$23.1K |
|
3375
CXApp
CXAI
$19.2M
| $38.1K | ﹤0.01% |
+51,689
| New | +$44.9K |
|
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.