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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 | |
|---|---|---|---|---|---|---|---|
1051
Columbia Sportswear
COLM
$3.13B
| $10.1M | 0.01% |
163,402
+44,600
| +38% | +$2.76M |
2025 Q1
5 quarters
|
|
1052
Paylocity
PCTY
$9.02B
| $10.1M | 0.01% |
96,575
-138,425
| -59% | -$14.7M |
2025 Q2
4 quarters
|
|
1053
PIMCO Multi Sector Bond Active ETF
PYLD
$15.9B
| $10.1M | 0.01% |
380,100
+314,100
| +476% | +$8.29M |
2024 Q3
7 quarters
|
|
1054
Canadian Imperial Bank of Commerce
CM
$103B
| $10.1M | 0.01% |
+87,628
| New | +$9.6M |
2026 Q2
0 quarters
|
|
1055
Veradermics Inc
MANE
$5.31B
| $10.1M | 0.01% |
+81,852
| New | +$7.67M |
2026 Q2
0 quarters
|
|
1056
Flowco Holdings
FLOC
$840M
| $10M | 0.01% |
467,815
+71,815
| +18% | +$1.71M |
2025 Q1
5 quarters
|
|
1057
Urban Edge Properties
UE
$2.46B
| $9.9M | 0.01% |
433,983
-44,017
| -9% | -$971K |
2021 Q1
21 quarters
|
|
1058
Perion Network
PERI
$350M
| $9.9M | 0.01% |
1,022,509
-346,606
| -25% | -$3.31M |
2013 Q2
52 quarters
|
|
1059
O'Reilly Automotive
ORLY
$72.8B
| $9.9M | 0.01% |
+107,610
| New | +$9.8M |
2026 Q2
0 quarters
|
|
1060
Wave Life Sciences
WVE
$674M
| $9.9M | 0.01% |
1,704,520
+1,107,300
| +185% | +$7.34M |
2025 Q4
2 quarters
|
|
1061
ProShares Ultra QQQ
QLD
$14.2B
| $9.9M | 0.01% |
+102,000
| New | +$8.77M |
2026 Q2
0 quarters
|
|
1062
Joby Aviation
JOBY
$4.63B
| $9.9M | 0.01% |
1,104,300
-2,900,900
| -72% | -$28M |
2025 Q4
2 quarters
|
|
1063
Ardagh Metal Packaging
AMBP
$2.76B
| $9.8M | 0.01% |
2,076,732
-817,478
| -28% | -$3.36M |
2021 Q4
18 quarters
|
|
1064
RF Industries
RFIL
$77.7M
| $9.8M | 0.01% |
463,817
-30,847
| -6% | -$499K |
2013 Q2
52 quarters
|
|
1065
World Acceptance Corp
WRLD
$776M
| $9.8M | 0.01% |
43,800
-5,000
| -10% | -$804K |
2023 Q1
13 quarters
|
|
1066
First American
FAF
$6.77B
| $9.8M | 0.01% |
+142,543
| New | +$9.5M |
2026 Q2
0 quarters
|
|
1067
STAAR Surgical
STAA
$1.12B
| $9.8M | 0.01% |
340,400
+205,200
| +152% | +$5.7M |
2025 Q4
2 quarters
|
|
1068
Haemonetics
HAE
$5.38B
| $9.8M | 0.01% |
130,000
+86,800
| +201% | +$5.58M |
2026 Q1
1 quarter
|
|
1069
Vanguard Intermediate-Term Treasury ETF
VGIT
$39.9B
| $9.7M | 0.01% |
165,000
+69,000
| +72% | +$4.08M |
2026 Q1
1 quarter
|
|
1070
SK Telecom
SKM
$12.4B
| $9.7M | 0.01% |
301,775
+264,088
| +701% | +$9.8M |
2025 Q4
2 quarters
|
|
1071
VanEck High Yield Muni ETF
HYD
$4.34B
| $9.7M | 0.01% |
188,097
+157,797
| +521% | +$8.06M |
2025 Q1
5 quarters
|
|
1072
Qfin Holdings
QFIN
$666M
| $9.6M | 0.01% |
609,352
+219,609
| +56% | +$3.08M |
2026 Q1
1 quarter
|
|
1073
Allot
ALLT
$443M
| $9.6M | 0.01% |
1,088,399
+103,301
| +10% | +$769K |
2015 Q1
45 quarters
|
|
1074
Teleflex
TFX
$5.56B
| $9.6M | 0.01% |
75,700
+19,000
| +34% | +$2.43M |
2026 Q1
1 quarter
|
|
1075
Enel Chile
ENIC
$6.22B
| $9.6M | 0.01% |
2,130,188
-558,100
| -21% | -$2.45M |
2017 Q1
37 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.