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Jim Simons Renaissance Technologies
AUM
$72.6B
Turnover
31.08%
1-Year Est. Return
54.88%
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.
This Fund
S&P 500
This Quarter Est. Return
+24.48%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.93%
AUM
$72.6B
AUM Growth
+$8.69B
(+14%)
Cap. Flow
+$958M
Cap. Flow % of AUM
Cap. Flow %
1.32%
Top 10 Holdings %
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621
Avg Time Held
3.5
years
Top 10 Avg Time Held
1.5
years
Top 20 Avg Time Held
1.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$1.08B |
| 2 |
NVIDIA
NVDA
|
+$938M |
| 3 |
Alphabet (Google) Class A
GOOGL
|
+$639M |
| 4 |
Netflix
NFLX
|
+$598M |
| 5 |
Amazon
AMZN
|
+$575M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Micron Technology
MU
|
+$1.46B |
| 2 |
Sandisk
SNDK
|
+$1.13B |
| 3 |
Apple
AAPL
|
+$426M |
| 4 |
Linde
LIN
|
+$316M |
| 5 |
Vertiv
VRT
|
+$297M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 23.58% |
| 2 | Healthcare | 14.83% |
| 3 | Consumer Discretionary | 11.24% |
| 4 | Industrials | 10.49% |
| 5 | Communication Services | 8.91% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
101
Permian Resources
PR
$20.6B
| $140M | 0.19% |
7,606,637
-227,400
| -3% | -$4.57M |
2019 Q4
26 quarters
|
|
102
Dave Inc
DAVE
$4.69B
| $137M | 0.19% |
367,378
-64,422
| -15% | -$16.7M |
2023 Q4
10 quarters
|
|
103
DocuSign
DOCU
$14B
| $137M | 0.19% |
3,075,061
-95,000
| -3% | -$4.45M |
2019 Q3
27 quarters
|
|
104
Match Group
MTCH
$9.9B
| $137M | 0.19% |
3,589,054
+394,686
| +12% | +$14M |
2025 Q1
5 quarters
|
|
105
Jazz Pharmaceuticals
JAZZ
$13.6B
| $135M | 0.19% |
562,073
-257,301
| -31% | -$56.4M |
2015 Q2
44 quarters
|
|
106
Rivian
RIVN
$18B
| $132M | 0.18% |
7,599,796
-3,317,300
| -30% | -$51.7M |
2025 Q2
4 quarters
|
|
107
JFrog
FROG
$10.4B
| $131M | 0.18% |
1,445,248
-130,300
| -8% | -$8.46M |
2021 Q3
19 quarters
|
|
108
New Oriental
EDU
$9.44B
| $131M | 0.18% |
2,857,164
-90,700
| -3% | -$4.61M |
2019 Q3
27 quarters
|
|
109
Ross Stores
ROST
$75.7B
| $131M | 0.18% |
615,728
+574,428
| +1,391% | +$129M |
2026 Q1
1 quarter
|
|
110
Cardinal Health
CAH
$58.8B
| $131M | 0.18% |
550,100
+205,275
| +60% | +$42.7M |
2022 Q4
14 quarters
|
|
111
Altria Group
MO
$125B
| $128M | 0.18% |
1,781,400
+104,900
| +6% | +$7.32M |
2019 Q2
28 quarters
|
|
112
Motorola Solutions
MSI
$76.6B
| $127M | 0.18% |
306,855
-98,240
| -24% | -$41.1M |
2023 Q4
10 quarters
|
|
113
Circle Internet Group
CRCL
$20.9B
| $127M | 0.18% |
2,033,035
+241,689
| +13% | +$23.5M |
2025 Q4
2 quarters
|
|
114
Trade Desk
TTD
$5.78B
| $127M | 0.17% |
7,022,341
+1,581,800
| +29% | +$33.6M |
2024 Q1
9 quarters
|
|
115
Cal-Maine
CALM
$2.97B
| $126M | 0.17% |
1,569,268
-209,200
| -12% | -$16.2M |
2018 Q1
33 quarters
|
|
116
JPMorgan Chase
JPM
$902B
| $126M | 0.17% |
385,678
-302,672
| -44% | -$94M |
2024 Q3
7 quarters
|
|
117
NetEase
NTES
$80.7B
| $125M | 0.17% |
971,788
-391,400
| -29% | -$46.2M |
2019 Q2
28 quarters
|
|
118
Novartis
NVS
$286B
| $124M | 0.17% |
788,033
-323,800
| -29% | -$48.5M |
2013 Q3
51 quarters
|
|
119
Peabody Energy
BTU
$2.91B
| $123M | 0.17% |
5,313,527
-619,100
| -10% | -$16.5M |
2017 Q3
35 quarters
|
|
120
Vistra
VST
$51B
| $121M | 0.17% |
765,275
-296,660
| -28% | -$46M |
2023 Q1
13 quarters
|
|
121
Commault Systems
CVLT
$6.18B
| $120M | 0.17% |
848,898
-248,765
| -23% | -$26.7M |
2013 Q2
52 quarters
|
|
122
Copa Holdings
CPA
$5.43B
| $120M | 0.17% |
772,928
+38,500
| +5% | +$5.01M |
2017 Q1
37 quarters
|
|
123
Cinemark Holdings
CNK
$4.46B
| $120M | 0.16% |
3,772,885
-221,900
| -6% | -$6.59M |
2018 Q3
31 quarters
|
|
124
Lyft
LYFT
$6.37B
| $120M | 0.16% |
8,189,132
-975,500
| -11% | -$13.6M |
2022 Q2
16 quarters
|
|
125
Capital One
COF
$124B
| $119M | 0.16% |
591,504
-147,600
| -20% | -$28.2M |
2025 Q4
2 quarters
|
|
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Jim Simons's Q2 2026 Portfolio in Review
As of Q2 2026, Jim Simons held 3,761 positions worth $72.6B, up 14% from $63.9B the previous quarter. Its ten largest holdings account for 12% of the portfolio.
Jim Simons's Q2 2026 filing shows 548 new, 1,084 increased, 1,502 reduced and 621 closed positions. Its largest new stake was Amazon: 2,290,710 shares worth $546M. The largest sale was Micron Technology, an estimated $1.46B.
By sector, the portfolio is most concentrated in Technology at 24% of assets, up from 22% a quarter earlier, followed by Healthcare and Consumer Discretionary.
- Jim Simons's largest Q2 2026 buy was Amazon: 2,290,710 shares worth $546M.
- Jim Simons added most to Meta Platforms (Facebook) in Q2 2026, an estimated $1.08B increase.
- Jim Simons's biggest Q2 2026 reduction was Micron Technology, cutting an estimated $1.46B.
- Jim Simons fully exited Applovin in Q2 2026, selling an estimated $174M.
- Jim Simons's ten largest holdings make up 12% of its $72.6B portfolio in Q2 2026.
- Jim Simons opened 548 new positions and closed 621 in Q2 2026.
- Jim Simons's portfolio value rose 14% quarter-over-quarter to $72.6B.
Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.