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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 | |
|---|---|---|---|---|---|---|---|
2076
Seer Inc
SEER
$109M
| $1.64M | ﹤0.01% |
985,500
+8,812
| +0.9% | +$16K |
2021 Q4
18 quarters
|
|
2077
OnKure Therapeutics
OKUR
$104M
| $1.64M | ﹤0.01% |
358,738
-18,512
| -5% | -$79.4K |
2022 Q2
16 quarters
|
|
2078
Jade Biosciences
JBIO
$948M
| $1.64M | ﹤0.01% |
73,591
-61,448
| -46% | -$1.28M |
2025 Q4
2 quarters
|
|
2079
American Assets Trust
AAT
$1.31B
| $1.63M | ﹤0.01% |
66,200
+1,200
| +2% | +$26.3K |
2023 Q3
11 quarters
|
|
2080
iShares Russell Mid-Cap ETF
IWR
$57.1B
| $1.63M | ﹤0.01% |
14,800
-10,400
| -41% | -$1.09M |
2024 Q3
7 quarters
|
|
2081
Red Violet
RDVT
$1.25B
| $1.63M | ﹤0.01% |
25,600
-87,850
| -77% | -$4.16M |
2024 Q3
7 quarters
|
|
2082
Goldman Sachs Physical Gold ETF Shares
AAAU
$2.44B
| $1.63M | ﹤0.01% |
41,100
-28,900
| -41% | -$1.29M |
2023 Q4
10 quarters
|
|
2083
Journey Medical
DERM
$144M
| $1.63M | ﹤0.01% |
229,700
-12,800
| -5% | -$73.1K |
2023 Q2
12 quarters
|
|
2084
DELISTED
TruBridge
TBRG
| $1.62M | ﹤0.01% |
+61,976
| New | +$1.52M |
2026 Q2
0 quarters
|
|
2085
Pacific Biosciences
PACB
$640M
| $1.62M | ﹤0.01% |
966,200
-1,522,900
| -61% | -$2.21M |
2025 Q4
2 quarters
|
|
2086
Howard Hughes
HHH
$4.15B
| $1.62M | ﹤0.01% |
22,700
-78,000
| -77% | -$5.07M |
2025 Q2
4 quarters
|
|
2087
Booz Allen Hamilton
BAH
$9.45B
| $1.62M | ﹤0.01% |
+26,694
| New | +$2.04M |
2026 Q2
0 quarters
|
|
2088
Primo Brands
PRMB
$7.29B
| $1.62M | ﹤0.01% |
+66,200
| New | +$1.47M |
2026 Q2
0 quarters
|
|
2089
iShares Core MSCI EAFE ETF
IEFA
$189B
| $1.61M | ﹤0.01% |
+16,700
| New | +$1.6M |
2026 Q2
0 quarters
|
|
2090
SmartStop Self Storage REIT
SMA
$2.03B
| $1.61M | ﹤0.01% |
+49,600
| New | +$1.57M |
2026 Q2
0 quarters
|
|
2091
SES AI
SES
$270M
| $1.61M | ﹤0.01% |
1,678,042
-2,918,210
| -63% | -$3.18M |
2025 Q3
3 quarters
|
|
2092
SSR Mining
SSRM
$5.95B
| $1.61M | ﹤0.01% |
56,786
-591,000
| -91% | -$18M |
2017 Q3
35 quarters
|
|
2093
China Automotive Systems
CAAS
$132M
| $1.6M | ﹤0.01% |
357,594
-20,700
| -5% | -$92.5K |
2013 Q2
52 quarters
|
|
2094
SmartRent
SMRT
$238M
| $1.6M | ﹤0.01% |
1,343,028
+207,128
| +18% | +$263K |
2023 Q4
10 quarters
|
|
2095
Sanara MedTech
SMTI
$302M
| $1.59M | ﹤0.01% |
67,400
+2,720
| +4% | +$56.2K |
2023 Q3
11 quarters
|
|
2096
Ryan Specialty Holdings
RYAN
$5.43B
| $1.59M | ﹤0.01% |
42,100
-494,500
| -92% | -$16.8M |
2025 Q4
2 quarters
|
|
2097
Brown-Forman Class A
BF.A
$14.2B
| $1.59M | ﹤0.01% |
58,076
-4,800
| -8% | -$132K |
2013 Q2
52 quarters
|
|
2098
Openlane
OPLN
$4.64B
| $1.58M | ﹤0.01% |
38,400
-58,600
| -60% | -$2.05M |
2024 Q2
8 quarters
|
|
2099
GoPro
GPRO
$210M
| $1.58M | ﹤0.01% |
2,026,136
+400,236
| +25% | +$423K |
2020 Q3
23 quarters
|
|
2100
Five Point Holdings
FPH
$323M
| $1.57M | ﹤0.01% |
298,500
+28,338
| +10% | +$142K |
2023 Q1
13 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.