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 | |
|---|---|---|---|---|---|---|
3126
MediciNova
MNOV
$65.5M
| $234K | ﹤0.01% |
178,700
-3,000
| -2% | -$4.2K |
|
3127
Curis
CRIS
$3.91M
| $233K | ﹤0.01% |
5,024
+180
| +4% | +$7.07K |
|
3128
Maris-Tech
MTEK
$12.8M
| $233K | ﹤0.01% |
72,700
-23,317
| -24% | -$54.3K |
|
3129
Emerson Radio
MSN
$7.99M
| $232K | ﹤0.01% |
682,888
-11,700
| -2% | -$4.76K |
|
3130
Pliant Therapeutics
PLRX
$66.3M
| $232K | ﹤0.01% |
199,948
+47,448
| +31% | +$67K |
|
3131
NextCure
NXTC
$37.9M
| $230K | ﹤0.01% |
41,745
+1,748
| +4% | +$9.38K |
|
3132
Park-Ohio Holdings
PKOH
$716M
| $230K | ﹤0.01% |
12,898
-1,105
| -8% | -$20.9K |
|
3133
Pyxis Tankers
PXS
$50.9M
| $229K | ﹤0.01% |
81,901
+3,000
| +4% | +$8.85K |
|
3134
Key Tronic
KTCC
$42.8M
| $229K | ﹤0.01% |
79,900
+3,464
| +5% | +$9.19K |
|
|
IHT
3135
InnSuites Hospitality Trust
IHT
$15.5M
| $228K | ﹤0.01% |
101,503
-1,400
| -1% | -$3.35K |
|
3136
American Realty Investors
ARL
$243M
| $227K | ﹤0.01% |
16,099
| – | – |
|
3137
Upbound Group
UPBD
$1.11B
| $226K | ﹤0.01% |
9,000
-55,600
| -86% | -$1.3M |
|
3138
Creative Realities
CREX
$39.3M
| $226K | ﹤0.01% |
67,002
-10,201
| -13% | -$24.5K |
|
|
SSKN
3139
DELISTED
Strata Skin Sciences
SSKN
| $224K | ﹤0.01% |
98,030
-3,800
| -4% | -$9.5K |
|
|
SRG
3140
Seritage Growth Properties
SRG
$131M
| $223K | ﹤0.01% |
+72,414
| New | +$209K |
|
3141
ARK Autonomous Technology & Robotics ETF
ARKQ
$2.09B
| $223K | ﹤0.01% |
2,500
-10,700
| -81% | -$805K |
|
3142
Retractable Technologies
RVP
$20.2M
| $223K | ﹤0.01% |
348,407
-11,236
| -3% | -$7.82K |
|
3143
iShares US Energy ETF
IYE
$1.8B
| $222K | ﹤0.01% |
4,900
-13,200
| -73% | -$583K |
|
|
TMQ
3144
Trilogy Metals
TMQ
$650M
| $222K | ﹤0.01% |
164,100
+108,000
| +193% | +$152K |
|
3145
Encore Capital Group
ECPG
$2.07B
| $221K | ﹤0.01% |
5,700
-22,900
| -80% | -$830K |
|
3146
First Trust RBA American Industrial Renaissance ETF
AIRR
$10.7B
| $220K | ﹤0.01% |
+2,700
| New | +$199K |
|
3147
Regis Corp
RGS
$69.3M
| $220K | ﹤0.01% |
9,844
-2,702
| -22% | -$54.3K |
|
3148
a.k.a. Brands
AKA
$119M
| $216K | ﹤0.01% |
20,969
-4,100
| -16% | -$45.3K |
|
3149
HF Foods Group
HFFG
$97.6M
| $216K | ﹤0.01% |
67,900
-7,200
| -10% | -$27.4K |
|
3150
iShares ESG Optimized MSCI USA ETF
SUSA
$4.21B
| $215K | ﹤0.01% |
1,700
-10,500
| -86% | -$1.24M |
|
Similar funds
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.