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 | |
|---|---|---|---|---|---|---|
|
DDI
3051
DoubleDown Interactive
DDI
$607M
| $291K | ﹤0.01% |
30,400
-16,400
| -35% | -$161K |
|
3052
Manchester United
MANU
$3.94B
| $291K | ﹤0.01% |
16,327
+5,611
| +52% | +$83.1K |
|
3053
IZEA Worldwide
IZEA
$53.8M
| $290K | ﹤0.01% |
113,703
+35,300
| +45% | +$83.7K |
|
3054
Destination XL Group
DXLG
$33M
| $290K | ﹤0.01% |
261,100
-7,600
| -3% | -$8.32K |
|
3055
Deutsche Bank
DB
$72.1B
| $289K | ﹤0.01% |
9,762
-2,960
| -23% | -$78.2K |
|
|
ESPR
3056
DELISTED
Esperion Therapeutics
ESPR
| $288K | ﹤0.01% |
+292,400
| New | +$293K |
|
3057
Data Storage Corp
DTST
$8.37M
| $287K | ﹤0.01% |
83,800
+1,900
| +2% | +$6.87K |
|
3058
Spruce Power Holding Corp
SPRU
$38.9M
| $286K | ﹤0.01% |
141,820
+3,000
| +2% | +$5.86K |
|
3059
Lantern Pharma
LTRN
$33.6M
| $286K | ﹤0.01% |
90,600
+1,800
| +2% | +$6.08K |
|
3060
Acumen Pharmaceuticals
ABOS
$184M
| $286K | ﹤0.01% |
246,588
-10,112
| -4% | -$10.9K |
|
3061
Karyopharm Therapeutics
KPTI
$45.1M
| $284K | ﹤0.01% |
65,814
+4,600
| +8% | +$22.6K |
|
3062
First Trust Capital Strength ETF
FTCS
$8.02B
| $282K | ﹤0.01% |
+3,100
| New | +$276K |
|
3063
Hain Celestial
HAIN
$53.9M
| $282K | ﹤0.01% |
185,222
+157,900
| +578% | +$369K |
|
3064
Farmers & Merchants Bancorp
FMAO
$484M
| $280K | ﹤0.01% |
+11,081
| New | +$266K |
|
3065
Lucid Diagnostics
LUCD
$184M
| $280K | ﹤0.01% |
243,279
-215,786
| -47% | -$279K |
|
3066
Bogota Financial
BSBK
$113M
| $279K | ﹤0.01% |
35,774
-2,077
| -5% | -$14.9K |
|
3067
Bit Digital
BTBT
$520M
| $278K | ﹤0.01% |
+126,972
| New | +$280K |
|
3068
Educational Development Corp
EDUC
$11.8M
| $276K | ﹤0.01% |
205,945
-8,900
| -4% | -$11.5K |
|
|
AXIA.PR
3069
DELISTED
AXIA Energia American Depositary Shares Preferred Class B1
AXIA.PR
| $275K | ﹤0.01% |
42,053
+4,422
| +12% | +$28.6K |
|
3070
Catalyst Bancorp
CLST
$69.6M
| $275K | ﹤0.01% |
22,200
-700
| -3% | -$8.22K |
|
3071
Hydrofarm Holdings
HYFM
$8.58M
| $274K | ﹤0.01% |
73,363
-1,100
| -1% | -$3.45K |
|
3072
Vita Coco
COCO
$3.85B
| $274K | ﹤0.01% |
7,600
-39,200
| -84% | -$1.31M |
|
3073
Daxor
DXR
$59.5M
| $274K | ﹤0.01% |
28,021
-100
| -0.4% | -$811 |
|
3074
Optical Cable Corp
OCC
$147M
| $274K | ﹤0.01% |
94,223
-1,980
| -2% | -$5.69K |
|
|
VXRT
3075
DELISTED
Vaxart
VXRT
| $270K | ﹤0.01% |
+597,443
| New | +$260K |
|
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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.