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 |
NVIDIA
NVDA
|
+$798M |
| 2 |
Netflix
NFLX
|
+$608M |
| 3 |
UnitedHealth
UNH
|
+$517M |
| 4 |
Apple
AAPL
|
+$461M |
| 5 |
GE Vernova
GEV
|
+$296M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Broadcom
AVGO
|
+$527M |
| 2 |
Alphabet (Google) Class A
GOOGL
|
+$372M |
| 3 |
Meta Platforms (Facebook)
META
|
+$362M |
| 4 |
Advanced Micro Devices
AMD
|
+$328M |
| 5 |
Palantir
PLTR
|
+$327M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 19.57% |
| 2 | Healthcare | 15.8% |
| 3 | Consumer Discretionary | 12.38% |
| 4 | Financials | 11.53% |
| 5 | Industrials | 8.92% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3501
TOMI Environmental Solutions
TOMZ
$14.4M
| $11.8K | ﹤0.01% |
3,700
-731
| -16% | -$1.96K |
|
3502
Infobird
IFBD
$9.25M
| $11.4K | ﹤0.01% |
+10,100
| New | +$11.4K |
|
3503
BiomX
PHGE
$1.67M
| $11.4K | ﹤0.01% |
+1,332
| New | +$13.3K |
|
|
GORV
3504
DELISTED
Lazydays
GORV
| $11.2K | ﹤0.01% |
+1,530
| New | +$10.6K |
|
3505
TDH Holdings
PETZ
$15.5M
| $10.8K | ﹤0.01% |
11,000
| – | – |
|
3506
Talphera
TLPH
$62.8M
| $10.4K | ﹤0.01% |
22,526
+10,426
| +86% | +$5.19K |
|
|
MEDS
3507
DataMeds AI, Inc. Common Stock
MEDS
$4.24M
| $9.88K | ﹤0.01% |
+204
| New | +$28.1K |
|
|
AURE
3508
Aurelion Inc
AURE
$63.7M
| $9.77K | ﹤0.01% |
+2,763
| New | +$10.7K |
|
|
MHUA
3509
DELISTED
Meihua International Medical Technologies
MHUA
| $9.64K | ﹤0.01% |
241
+117
| +94% | +$4.32K |
|
3510
Cheche Group
CCG
$42.6M
| $8.42K | ﹤0.01% |
+308
| New | +$8.9K |
|
3511
Ryde Group
RYDE
$163M
| $7.2K | ﹤0.01% |
+24,010
| New | +$5.67K |
|
3512
SU Group Holdings
SUGP
$3.23M
| $6.8K | ﹤0.01% |
+284
| New | +$9.78K |
|
3513
Intelligent Living
ILAG
$6.69M
| $6.71K | ﹤0.01% |
+1,290
| New | +$5.45K |
|
|
AUC
3514
ATIF Holdings
AUC
$69M
| $6.56K | ﹤0.01% |
+1,169
| New | +$16.8K |
|
3515
Catheter Precision
VTAK
$1.05M
| $5.79K | ﹤0.01% |
+1,260
| New | +$6.82K |
|
|
ORKT
3516
Orangekloud Technology Inc
ORKT
$5.84M
| $5.1K | ﹤0.01% |
+2,500
| New | +$5.41K |
|
|
GRDX
3517
GridAI Technologies Corp
GRDX
$26.8M
| $5K | ﹤0.01% |
+4,167
| New | +$5.33K |
|
|
CREG
3518
DELISTED
Smart Powerr
CREG
| $4.71K | ﹤0.01% |
202
-46
| -19% | -$2.63K |
|
3519
reAlpha
AIRE
$8.1M
| $4.04K | ﹤0.01% |
+528
| New | +$7.53K |
|
|
AZIO
3520
Azio AI Holdings
AZIO
$24.2M
| $3.26K | ﹤0.01% |
+1,820
| New | +$4.04K |
|
3521
Multi Ways Holdings
MWG
$6.63M
| $2.78K | ﹤0.01% |
+1,030
| New | +$2.96K |
|
|
SDST
3522
Stardust Power Inc
SDST
$7.19M
| $2.76K | ﹤0.01% |
+1,399
| New | +$7.19K |
|
3523
Applied Optoelectronics
AAOI
$11B
| – | – |
-359,879
| Closed | -$5.52M |
|
3524
ProFrac Holding
ACDC
$958M
| – | – |
-10,000
| Closed | -$75.9K |
|
3525
Archer Aviation
ACHR
$5.37B
| – | – |
-1,239,100
| Closed | -$8.81M |
|
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Jim Simons's Q2 2025 Portfolio in Review
As of Q2 2025, Jim Simons held 4,018 positions worth $75.2B, up 14% from $66.1B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2025 filing shows 612 new, 1,577 increased, 1,314 reduced and 496 closed positions. Its largest new stake was UnitedHealth: 1,352,129 shares worth $422M. The largest sale was Broadcom, an estimated $527M.
By sector, the portfolio is most concentrated in Technology at 20% of assets, up from 17% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2025 buy was UnitedHealth: 1,352,129 shares worth $422M.
- Jim Simons added most to NVIDIA in Q2 2025, an estimated $798M increase.
- Jim Simons's biggest Q2 2025 reduction was Broadcom, cutting an estimated $527M.
- Jim Simons fully exited Advanced Micro Devices in Q2 2025, selling an estimated $328M.
- Jim Simons's ten largest holdings make up 12% of its $75.2B portfolio in Q2 2025.
- Jim Simons opened 612 new positions and closed 496 in Q2 2025.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $75.2B.
Based on Renaissance Technologies's 13F filing for Q2 2025, filed 13 Aug 2025.