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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 | |
|---|---|---|---|---|---|---|---|
1676
CF Bankshares
CFBK
$218M
| $3.36M | ﹤0.01% |
102,423
+7,944
| +8% | +$231K |
2025 Q2
4 quarters
|
|
1677
Heritage Insurance Holdings
HRTG
$1.1B
| $3.35M | ﹤0.01% |
128,630
-43,900
| -25% | -$1.09M |
2018 Q3
31 quarters
|
|
1678
Intrepid Potash
IPI
$420M
| $3.35M | ﹤0.01% |
102,294
-52,256
| -34% | -$1.99M |
2024 Q1
9 quarters
|
|
1679
Viasat
VSAT
$8.62B
| $3.35M | ﹤0.01% |
+37,329
| New | +$2.47M |
2026 Q2
0 quarters
|
|
1680
ICL Group
ICL
$6.16B
| $3.34M | ﹤0.01% |
670,913
-503,265
| -43% | -$2.86M |
2015 Q2
44 quarters
|
|
1681
Fox Class B
FOX
$24.7B
| $3.34M | ﹤0.01% |
+71,300
| New | +$3.96M |
2026 Q2
0 quarters
|
|
1682
Nkarta
NKTX
$125M
| $3.33M | ﹤0.01% |
1,177,652
-554,720
| -32% | -$1.56M |
2021 Q3
19 quarters
|
|
1683
TETRA Technologies
TTI
$792M
| $3.33M | ﹤0.01% |
+293,525
| New | +$2.88M |
2026 Q2
0 quarters
|
|
1684
Valens Semiconductor
VLN
$174M
| $3.32M | ﹤0.01% |
1,468,229
+156,529
| +12% | +$351K |
2022 Q2
16 quarters
|
|
1685
Rocky Brands
RCKY
$347M
| $3.31M | ﹤0.01% |
80,235
-3,300
| -4% | -$129K |
2013 Q2
52 quarters
|
|
1686
Companhia Siderúrgica Nacional
SID
$1.46B
| $3.3M | ﹤0.01% |
3,611,400
-1,407,800
| -28% | -$1.76M |
2023 Q4
10 quarters
|
|
1687
Sidus Space
SIDU
$118M
| $3.29M | ﹤0.01% |
+1,172,428
| New | +$4.49M |
2026 Q2
0 quarters
|
|
1688
Global Net Lease
GNL
$1.65B
| $3.29M | ﹤0.01% |
368,100
-998,033
| -73% | -$9.33M |
2024 Q4
6 quarters
|
|
1689
Taylor Devices
TAYD
$183M
| $3.29M | ﹤0.01% |
56,062
+6,400
| +13% | +$346K |
2015 Q3
43 quarters
|
|
1690
ARKO Petroleum
APC
$754M
| $3.29M | ﹤0.01% |
+174,500
| New | +$3.35M |
2026 Q2
0 quarters
|
|
1691
North American Construction
NOA
$310M
| $3.29M | ﹤0.01% |
247,000
-6,500
| -3% | -$91.8K |
2013 Q2
52 quarters
|
|
1692
Diebold Nixdorf
DBD
$2.31B
| $3.28M | ﹤0.01% |
38,600
-35,200
| -48% | -$2.83M |
2023 Q4
10 quarters
|
|
1693
iShares Gold Trust Micro
IAUM
$6.54B
| $3.27M | ﹤0.01% |
+81,791
| New | +$3.68M |
2026 Q2
0 quarters
|
|
1694
Invesco S&P 500 Top 50 ETF
XLG
$11.8B
| $3.26M | ﹤0.01% |
+53,300
| New | +$3.25M |
2026 Q2
0 quarters
|
|
1695
Consumer Portfolio Services
CPSS
$196M
| $3.26M | ﹤0.01% |
339,958
-16,200
| -5% | -$150K |
2013 Q2
52 quarters
|
|
1696
Immunocore
IMCR
$1.65B
| $3.25M | ﹤0.01% |
102,400
-61,600
| -38% | -$1.82M |
2022 Q1
17 quarters
|
|
1697
First Bancorp
FNLC
$390M
| $3.25M | ﹤0.01% |
93,357
-4,706
| -5% | -$140K |
2013 Q2
52 quarters
|
|
1698
H2O America
HTO
$2.35B
| $3.24M | ﹤0.01% |
53,245
-104,655
| -66% | -$6.07M |
2014 Q3
47 quarters
|
|
1699
iHeartMedia
IHRT
$237M
| $3.24M | ﹤0.01% |
754,229
-74,500
| -9% | -$330K |
2021 Q2
20 quarters
|
|
1700
BitGo Holdings
BTGO
$715M
| $3.21M | ﹤0.01% |
+619,735
| New | +$5.09M |
2026 Q2
0 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.