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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 | |
|---|---|---|---|---|---|---|---|
2226
United-Guardian
UG
$31.6M
| $1.19M | ﹤0.01% |
166,766
-9,000
| -5% | -$62.5K |
2013 Q2
52 quarters
|
|
2227
Genius Sports
GENI
$1.72B
| $1.19M | ﹤0.01% |
195,600
-2,002,100
| -91% | -$10.4M |
2025 Q2
4 quarters
|
|
2228
Ategrity Specialty Insurance
ASIC
$1.15B
| $1.18M | ﹤0.01% |
49,200
+7,600
| +18% | +$156K |
2025 Q3
3 quarters
|
|
2229
CVRx
CVRX
$37M
| $1.18M | ﹤0.01% |
230,000
+210,700
| +1,092% | +$1.36M |
2026 Q1
1 quarter
|
|
2230
ARKO Corp
ARKO
$457M
| $1.18M | ﹤0.01% |
147,100
+67,000
| +84% | +$470K |
2025 Q3
3 quarters
|
|
2231
Boundless Bio
BOLD
$55.2M
| $1.18M | ﹤0.01% |
471,570
+72,570
| +18% | +$112K |
2025 Q1
5 quarters
|
|
2232
Capital Group Core Bond ETF
CGCB
$6.57B
| $1.18M | ﹤0.01% |
44,900
+23,100
| +106% | +$606K |
2026 Q1
1 quarter
|
|
2233
BTCS Inc
BTCS
$56.7M
| $1.17M | ﹤0.01% |
1,058,530
+1,430
| +0.1% | +$2.3K |
2025 Q4
2 quarters
|
|
2234
Trupanion
TRUP
$1.31B
| $1.17M | ﹤0.01% |
47,400
+8,400
| +22% | +$204K |
2025 Q4
2 quarters
|
|
2235
LGL Group
LGL
$85.9M
| $1.17M | ﹤0.01% |
169,494
+2,900
| +2% | +$20.4K |
2013 Q2
52 quarters
|
|
2236
Lake Shore Bancorp
LSBK
$146M
| $1.17M | ﹤0.01% |
65,641
-3,400
| -5% | -$54.3K |
2025 Q3
3 quarters
|
|
2237
Movado Group
MOV
$711M
| $1.17M | ﹤0.01% |
29,700
-109,498
| -79% | -$3.42M |
2021 Q3
19 quarters
|
|
2238
Lexeo Therapeutics
LXEO
$241M
| $1.17M | ﹤0.01% |
+250,365
| New | +$1.35M |
2026 Q2
0 quarters
|
|
2239
DocGo
DCGO
$27.1M
| $1.16M | ﹤0.01% |
2,254,370
+744,009
| +49% | +$445K |
2024 Q3
7 quarters
|
|
2240
Achieve Life Sciences
ACHV
$667M
| $1.16M | ﹤0.01% |
178,049
+150,097
| +537% | +$716K |
2025 Q3
3 quarters
|
|
2241
SP Funds S&P 500 Sharia ETF
SPUS
$3.28B
| $1.16M | ﹤0.01% |
+20,200
| New | +$1.11M |
2026 Q2
0 quarters
|
|
2242
U.S. High Relative Profitability Portfolio ETF Class Shares
DUHP
$12.9B
| $1.16M | ﹤0.01% |
+27,793
| New | +$1.11M |
2026 Q2
0 quarters
|
|
2243
Platinum Group Metals
PLG
$137M
| $1.15M | ﹤0.01% |
854,588
+211,026
| +33% | +$353K |
2026 Q1
1 quarter
|
|
2244
Sight Sciences
SGHT
$490M
| $1.15M | ﹤0.01% |
212,658
-80,700
| -28% | -$371K |
2023 Q2
12 quarters
|
|
2245
CEVA Inc
CEVA
$785M
| $1.15M | ﹤0.01% |
24,401
-61,102
| -71% | -$2.16M |
2025 Q1
5 quarters
|
|
2246
Lite Strategy Inc
LITS
$36.2M
| $1.15M | ﹤0.01% |
1,247,350
-497,350
| -29% | -$518K |
2015 Q3
43 quarters
|
|
2247
BrightSpire Capital
BRSP
$461M
| $1.15M | ﹤0.01% |
210,700
-82,600
| -28% | -$474K |
2023 Q4
10 quarters
|
|
2248
Great Elm Group
GEG
$63.9M
| $1.15M | ﹤0.01% |
525,776
-21,200
| -4% | -$45.8K |
2013 Q2
52 quarters
|
|
2249
Kopin
KOPN
$600M
| $1.15M | ﹤0.01% |
+255,800
| New | +$1.11M |
2026 Q2
0 quarters
|
|
2250
Richmond Mutual Bancorp
RMBI
$257M
| $1.15M | ﹤0.01% |
72,142
+33,800
| +88% | +$496K |
2020 Q4
22 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.