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 | |
|---|---|---|---|---|---|---|
3101
Ark Restaurants
ARKR
$20.2M
| $248K | ﹤0.01% |
27,511
-100
| -0.4% | -$998 |
|
3102
Utz Brands
UTZ
$1.25B
| $247K | ﹤0.01% |
+19,700
| New | +$258K |
|
3103
Westwater Resources
WWR
$75.2M
| $247K | ﹤0.01% |
410,690
+94,156
| +30% | +$49.5K |
|
3104
International Bancshares
IBOC
$4.52B
| $246K | ﹤0.01% |
3,700
-6,300
| -63% | -$393K |
|
|
ORGN
3105
DELISTED
Origin Materials
ORGN
| $246K | ﹤0.01% |
16,967
-30,333
| -64% | -$513K |
|
|
AXG
3106
Solowin Holdings
AXG
$541M
| $246K | ﹤0.01% |
77,100
+54,700
| +244% | +$101K |
|
|
ACR
3107
ACRES Commercial Realty
ACR
$101M
| $246K | ﹤0.01% |
13,694
+1,100
| +9% | +$20.1K |
|
3108
Banner Corp
BANR
$2.5B
| $244K | ﹤0.01% |
+3,800
| New | +$235K |
|
3109
ProKidney
PROK
$289M
| $244K | ﹤0.01% |
411,645
+253,145
| +160% | +$197K |
|
3110
Innovative Industrial Properties
IIPR
$1.67B
| $243K | ﹤0.01% |
+4,400
| New | +$241K |
|
3111
Granite Ridge Resources
GRNT
$665M
| $241K | ﹤0.01% |
+37,900
| New | +$209K |
|
|
BBNX
3112
Beta Bionics
BBNX
$813M
| $240K | ﹤0.01% |
+16,500
| New | +$234K |
|
3113
Fate Therapeutics
FATE
$294M
| $240K | ﹤0.01% |
+214,463
| New | +$249K |
|
3114
State Street SPDR S&P Global Natural Resources ETF
GNR
$4.9B
| $239K | ﹤0.01% |
4,400
-31,800
| -88% | -$1.66M |
|
3115
Context Therapeutics
CNTX
$46.5M
| $238K | ﹤0.01% |
363,930
-61,570
| -14% | -$44.3K |
|
|
FURY
3116
Fury Gold Mines
FURY
$116M
| $238K | ﹤0.01% |
486,619
+212,019
| +77% | +$88.7K |
|
3117
First Seacoast Bancorp
FSEA
$80.4M
| $238K | ﹤0.01% |
20,932
+700
| +3% | +$7.8K |
|
|
TEAD
3118
Teads Holding Co
TEAD
$64.4M
| $238K | ﹤0.01% |
96,000
-93,851
| -49% | -$284K |
|
3119
Guardforce AI
GFAI
$11M
| $237K | ﹤0.01% |
205,700
+15,400
| +8% | +$16.6K |
|
3120
JELD-WEN Holding
JELD
$164M
| $236K | ﹤0.01% |
+60,300
| New | +$269K |
|
3121
GraniteShares 2x Short NVDA Daily ETF
NVD
$48.6M
| $236K | ﹤0.01% |
+18,700
| New | +$424K |
|
3122
Katapult Holdings
KPLT
$39.2M
| $236K | ﹤0.01% |
29,500
+13,103
| +80% | +$107K |
|
3123
Rezolute
RZLT
$453M
| $236K | ﹤0.01% |
52,833
-325,967
| -86% | -$1.21M |
|
3124
UWM Holdings
UWMC
$2.61B
| $236K | ﹤0.01% |
56,900
-1,258,300
| -96% | -$5.53M |
|
3125
Sagimet Biosciences
SGMT
$577M
| $235K | ﹤0.01% |
+30,900
| New | +$130K |
|
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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.