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 | |
|---|---|---|---|---|---|---|
|
CMPS
2751
Compass Pathways
CMPS
$1.83B
| $596K | ﹤0.01% |
212,800
+94,608
| +80% | +$356K |
|
2752
Daily Journal
DJCO
$832M
| $596K | ﹤0.01% |
1,411
-1,489
| -51% | -$595K |
|
2753
Lyell Immunopharma
LYEL
$342M
| $594K | ﹤0.01% |
67,190
-21,235
| -24% | -$194K |
|
2754
iShares Core MSCI International Developed Markets ETF
IDEV
$32.7B
| $593K | ﹤0.01% |
+7,800
| New | +$564K |
|
|
BRSL
2755
Brightstar Lottery PLC
BRSL
$2.17B
| $593K | ﹤0.01% |
+37,500
| New | +$589K |
|
2756
Network-1 Technologies
NTIP
$35.9M
| $587K | ﹤0.01% |
481,244
-23,100
| -5% | -$28.7K |
|
2757
Avantis International Small Cap Value ETF
AVDV
$20B
| $587K | ﹤0.01% |
7,400
-4,700
| -39% | -$348K |
|
|
TAIT
2758
DELISTED
Taitron Components
TAIT
| $586K | ﹤0.01% |
261,440
-7,500
| -3% | -$16.6K |
|
2759
Compass Therapeutics
CMPX
$402M
| $584K | ﹤0.01% |
224,600
-96,900
| -30% | -$200K |
|
2760
Adaptive Biotechnologies
ADPT
$3.93B
| $581K | ﹤0.01% |
49,900
-55,985
| -53% | -$509K |
|
2761
MBIA
MBI
$261M
| $580K | ﹤0.01% |
133,600
+54,500
| +69% | +$242K |
|
2762
The GEO Group
GEO
$4.03B
| $579K | ﹤0.01% |
24,191
-138,500
| -85% | -$3.78M |
|
2763
Mitsubishi UFJ Financial
MUFG
$259B
| $579K | ﹤0.01% |
42,211
-171,500
| -80% | -$2.22M |
|
2764
Fidelity MSCI Utilities Index ETF
FUTY
$2.33B
| $579K | ﹤0.01% |
+11,000
| New | +$566K |
|
|
INGM
2765
Ingram Micro Holding
INGM
$6.55B
| $575K | ﹤0.01% |
+27,600
| New | +$514K |
|
2766
Vuzix
VUZI
$226M
| $573K | ﹤0.01% |
196,196
+30,296
| +18% | +$71.5K |
|
2767
Korro Bio
KRRO
$192M
| $571K | ﹤0.01% |
+45,700
| New | +$658K |
|
2768
Designer Brands
DBI
$300M
| $571K | ﹤0.01% |
239,730
+219,400
| +1,079% | +$662K |
|
2769
iShares MSCI Saudi Arabia ETF
KSA
$624M
| $570K | ﹤0.01% |
14,800
-9,900
| -40% | -$388K |
|
2770
Ramaco Resources Class B
METCB
$418M
| $568K | ﹤0.01% |
73,194
-4,292
| -6% | -$32K |
|
2771
Passage Bio
PASG
$14.6M
| $567K | ﹤0.01% |
70,820
+306
| +0.4% | +$2.24K |
|
2772
Penske Automotive Group
PAG
$14.4B
| $567K | ﹤0.01% |
3,300
-19,600
| -86% | -$3.14M |
|
2773
8x8 Inc
EGHT
$295M
| $567K | ﹤0.01% |
289,095
-124,161
| -30% | -$219K |
|
2774
First Trust Dow Jones Internet Index Fund ETF
FDN
$5.39B
| $566K | ﹤0.01% |
+2,100
| New | +$505K |
|
2775
FinWise Bancorp
FINW
$192M
| $563K | ﹤0.01% |
37,500
+1,800
| +5% | +$26.4K |
|
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.