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 | |
|---|---|---|---|---|---|---|
|
CTNM
3376
Contineum Therapeutics
CTNM
$576M
| $57.2K | ﹤0.01% |
+14,404
| New | +$62.6K |
|
3377
PepGen
PEPG
$206M
| $56.9K | ﹤0.01% |
51,300
+6,000
| +13% | +$8.48K |
|
3378
CollPlant Biotechnologies
CLGN
$6.02M
| $56.6K | ﹤0.01% |
41,600
+31,300
| +304% | +$64.8K |
|
3379
Unicycive Therapeutics
UNCY
$150M
| $56.2K | ﹤0.01% |
+11,790
| New | +$72.9K |
|
|
OPI
3380
DELISTED
Office Properties Income Trust
OPI
| $55.5K | ﹤0.01% |
+224,501
| New | +$63.1K |
|
3381
GameSquare
GAME
$39M
| $55.1K | ﹤0.01% |
63,400
+36,300
| +134% | +$26.6K |
|
|
ICG
3382
Intchains Group
ICG
$53.3M
| $55K | ﹤0.01% |
+30,700
| New | +$62.2K |
|
3383
PharmaCyte Biotech
PMCB
$5.9M
| $54.3K | ﹤0.01% |
49,800
+300
| +0.6% | +$335 |
|
|
PRPH
3384
DELISTED
ProPhase Labs
PRPH
| $54K | ﹤0.01% |
13,792
-16,189
| -54% | -$54.1K |
|
|
NVNO
3385
enVVeno Medical
NVNO
$7.41M
| $53.9K | ﹤0.01% |
+386
| New | +$45.6K |
|
|
TWAV
3386
TaoWeave Inc
TWAV
$5.16M
| $53.7K | ﹤0.01% |
+14,394
| New | +$46.1K |
|
|
ISPO
3387
DELISTED
Inspirato
ISPO
| $52.6K | ﹤0.01% |
+15,435
| New | +$56.7K |
|
3388
Stagwell
STGW
$2.28B
| $51.8K | ﹤0.01% |
+11,500
| New | +$57.8K |
|
3389
Rafael Holdings
RFL
$102M
| $51.6K | ﹤0.01% |
29,831
+1,103
| +4% | +$1.8K |
|
3390
ICZOOM Group
IZM
$3M
| $51.2K | ﹤0.01% |
+18,837
| New | +$41K |
|
3391
Sonoma Pharmaceuticals
SNOA
$6.41M
| $50.6K | ﹤0.01% |
+17,800
| New | +$53.8K |
|
3392
Opko Health
OPK
$1.04B
| $50.3K | ﹤0.01% |
+38,100
| New | +$52.1K |
|
|
DMRA
3393
Damora Therapeutics, Inc. Ordinary Shares
DMRA
$1.9B
| $49.6K | ﹤0.01% |
14,544
-800
| -5% | -$2.37K |
|
|
FAT
3394
DELISTED
FAT Brands
FAT
| $49.5K | ﹤0.01% |
20,800
-1,300
| -6% | -$3.29K |
|
|
AACG
3395
ATA Creativity
AACG
$48M
| $49.3K | ﹤0.01% |
64,044
-400
| -0.6% | -$359 |
|
|
KNDI
3396
Kandi Technologies Group
KNDI
$64.4M
| $48.6K | ﹤0.01% |
43,800
-800
| -2% | -$934 |
|
3397
Smith Micro Software
SMSI
$16.2M
| $48.1K | ﹤0.01% |
11,168
-240
| -2% | -$1.07K |
|
|
TTNP
3398
DELISTED
Titan Pharmaceuticals
TTNP
| $47.8K | ﹤0.01% |
+11,380
| New | +$48.3K |
|
3399
OLB
OLB
$4.58M
| $47.2K | ﹤0.01% |
+25,260
| New | +$39.2K |
|
3400
Dyadic International
DYAI
$28.1M
| $47.1K | ﹤0.01% |
47,605
+16,629
| +54% | +$18.2K |
|
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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.