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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
+887.92%
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 | |
|---|---|---|---|---|---|---|---|
2126
Encore Capital Group
ECPG
$2.13B
| $1.49M | ﹤0.01% |
16,000
-4,700
| -23% | -$383K |
2020 Q1
25 quarters
|
|
2127
Ceragon Networks
CRNT
$177M
| $1.49M | ﹤0.01% |
575,323
+360,823
| +168% | +$943K |
2014 Q4
46 quarters
|
|
2128
Franklin International Low Volatility High Dividend Index ETF
LVHI
$6.14B
| $1.49M | ﹤0.01% |
36,700
-25,000
| -41% | -$1.02M |
2025 Q1
5 quarters
|
|
2129
AIRO Group Holdings
AIRO
$151M
| $1.49M | ﹤0.01% |
+201,091
| New | +$1.57M |
2026 Q2
0 quarters
|
|
2130
First Trust Preferred Securities and Income ETF
FPE
$5.87B
| $1.48M | ﹤0.01% |
+82,694
| New | +$1.49M |
2026 Q2
0 quarters
|
|
2131
NovaBridge Biosciences American Depositary Shares
NBP
$154M
| $1.48M | ﹤0.01% |
758,226
+485,814
| +178% | +$991K |
2026 Q1
1 quarter
|
|
2132
OmniAb
OABI
$695M
| $1.48M | ﹤0.01% |
600,350
+330,750
| +123% | +$657K |
2025 Q1
5 quarters
|
|
2133
Kelly Services Class A
KELYA
$577M
| $1.47M | ﹤0.01% |
120,108
+6,806
| +6% | +$70.8K |
2024 Q4
6 quarters
|
|
2134
Organigram Holdings
OGI
$136M
| $1.47M | ﹤0.01% |
1,444,148
-195,900
| -12% | -$239K |
2022 Q1
17 quarters
|
|
2135
WhiteFiber Inc
WYFI
$410M
| $1.47M | ﹤0.01% |
+37,900
| New | +$917K |
2026 Q2
0 quarters
|
|
2136
Designer Brands
DBI
$335M
| $1.47M | ﹤0.01% |
252,439
-230,997
| -48% | -$1.62M |
2025 Q4
2 quarters
|
|
2137
Artiva Biotherapeutics
ARTV
$302M
| $1.46M | ﹤0.01% |
151,000
+70,962
| +89% | +$646K |
2025 Q3
3 quarters
|
|
2138
NI Holdings
NODK
$304M
| $1.46M | ﹤0.01% |
92,991
+3,800
| +4% | +$53.1K |
2018 Q2
32 quarters
|
|
2139
Korro Bio
KRRO
$178M
| $1.46M | ﹤0.01% |
110,524
-25,703
| -19% | -$319K |
2025 Q2
4 quarters
|
|
2140
Forestar Group
FOR
$1.34B
| $1.46M | ﹤0.01% |
46,017
-61,163
| -57% | -$1.68M |
2023 Q2
12 quarters
|
|
2141
ReposiTrak
TRAK
$134M
| $1.45M | ﹤0.01% |
161,063
-82,900
| -34% | -$758K |
2019 Q2
28 quarters
|
|
2142
ACNB Corp
ACNB
$667M
| $1.45M | ﹤0.01% |
24,356
-200
| -0.8% | -$10.7K |
2016 Q2
40 quarters
|
|
2143
Full House Resorts
FLL
$35.5M
| $1.45M | ﹤0.01% |
518,221
+62,600
| +14% | +$166K |
2013 Q4
50 quarters
|
|
2144
Fennec Pharmaceuticals
FENC
$363M
| $1.44M | ﹤0.01% |
+134,200
| New | +$1.1M |
2026 Q2
0 quarters
|
|
2145
Bowhead Specialty Holdings
BOW
$1.12B
| $1.44M | ﹤0.01% |
48,100
-5,300
| -10% | -$138K |
2024 Q3
7 quarters
|
|
2146
enGene Therapeutics
ENGN
$106M
| $1.44M | ﹤0.01% |
829,700
+673,600
| +432% | +$2.75M |
2025 Q4
2 quarters
|
|
2147
Jerash Holdings
JRSH
$77.1M
| $1.43M | ﹤0.01% |
298,282
+26,042
| +10% | +$92.1K |
2019 Q3
27 quarters
|
|
2148
Coffee Holding Co
JVA
$27.2M
| $1.43M | ﹤0.01% |
427,964
+17,300
| +4% | +$73.3K |
2014 Q3
47 quarters
|
|
2149
DaVita
DVA
$11.9B
| $1.42M | ﹤0.01% |
6,400
-182,800
| -97% | -$33.2M |
2025 Q4
2 quarters
|
|
2150
U.S. Small Cap Value Portfolio ETF Class Shares
DFSV
$8.25B
| $1.42M | ﹤0.01% |
36,705
-52,495
| -59% | -$1.96M |
2026 Q1
1 quarter
|
|
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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.