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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 | |
|---|---|---|---|---|---|---|---|
976
Fluor
FLR
$6.04B
| $11.5M | 0.02% |
220,400
+30,500
| +16% | +$1.49M |
2026 Q1
1 quarter
|
|
977
State Street SPDR S&P Retail ETF
XRT
$316M
| $11.5M | 0.02% |
+131,500
| New | +$11.1M |
2026 Q2
0 quarters
|
|
978
HealthStream
HSTM
$1.03B
| $11.5M | 0.02% |
423,000
-54,848
| -11% | -$1.28M |
2017 Q3
35 quarters
|
|
979
Quanex
NX
$902M
| $11.5M | 0.02% |
618,708
-152,048
| -20% | -$2.81M |
2013 Q4
50 quarters
|
|
980
NexGen Energy
NXE
$5.69B
| $11.5M | 0.02% |
1,225,500
+577,500
| +89% | +$6.56M |
2025 Q4
2 quarters
|
|
981
Chatham Lodging
CLDT
$660M
| $11.5M | 0.02% |
869,775
-49,300
| -5% | -$510K |
2013 Q2
52 quarters
|
|
982
Nature's Sunshine
NATR
$224M
| $11.5M | 0.02% |
527,568
-4,356
| -0.8% | -$102K |
2013 Q2
52 quarters
|
|
983
CEMIG Preferred Shares
CIG
$6.67B
| $11.4M | 0.02% |
5,450,778
-2,543,071
| -32% | -$5.92M |
2018 Q4
30 quarters
|
|
984
Deckers Outdoor
DECK
$11.9B
| $11.4M | 0.02% |
115,100
-700
| -0.6% | -$73.7K |
2026 Q1
1 quarter
|
|
985
Copart
CPRT
$25.8B
| $11.4M | 0.02% |
405,300
-175,200
| -30% | -$5.66M |
2025 Q3
3 quarters
|
|
986
JPMorgan Municipal ETF
JMUB
$8.72B
| $11.4M | 0.02% |
224,887
+196,287
| +686% | +$9.9M |
2023 Q4
10 quarters
|
|
987
Southern First Bancshares
SFST
$577M
| $11.4M | 0.02% |
186,307
+35,700
| +24% | +$2.06M |
2016 Q2
40 quarters
|
|
988
RH
RH
$2.27B
| $11.3M | 0.02% |
68,900
-30,900
| -31% | -$4.26M |
2026 Q1
1 quarter
|
|
989
BK Technologies
BKTI
$253M
| $11.3M | 0.02% |
131,769
-3,484
| -3% | -$302K |
2013 Q2
52 quarters
|
|
|
990
Sandisk
SNDK
$197B
| $11.3M | 0.02% |
4,980
-794,588
| -99% | -$1.13B |
2025 Q2
4 quarters
|
|
991
Star Group
SGU
$429M
| $11.3M | 0.02% |
881,007
-29,101
| -3% | -$369K |
2016 Q1
41 quarters
|
|
992
Xenon Pharmaceuticals
XENE
$3.51B
| $11.3M | 0.02% |
187,110
-113,390
| -38% | -$6.3M |
2026 Q1
1 quarter
|
|
993
Lifeway Foods
LWAY
$339M
| $11.3M | 0.02% |
377,171
+8,500
| +2% | +$216K |
2013 Q2
52 quarters
|
|
994
Artisan Partners
APAM
$2.34B
| $11.2M | 0.02% |
325,748
+41,400
| +15% | +$1.52M |
2024 Q2
8 quarters
|
|
995
Ultrapar
UGP
$8.46B
| $11.2M | 0.02% |
2,237,585
-1,503,115
| -40% | -$8.27M |
2013 Q2
52 quarters
|
|
996
Heartflow Inc
HTFL
$4.83B
| $11.2M | 0.02% |
+382,700
| New | +$11.5M |
2026 Q2
0 quarters
|
|
997
Sonos
SONO
$2.05B
| $11.2M | 0.02% |
827,800
-878,701
| -51% | -$12.9M |
2025 Q1
5 quarters
|
|
998
Fermi Inc
FRMI
$1.89B
| $11.2M | 0.02% |
1,217,900
-185,800
| -13% | -$1.17M |
2025 Q4
2 quarters
|
|
999
HUB Group
HUBG
$1.59B
| $11.1M | 0.02% |
254,072
+107,400
| +73% | +$4.51M |
2025 Q2
4 quarters
|
|
1000
BOK Financial
BOKF
$7.68B
| $11.1M | 0.02% |
+80,077
| New | +$10.6M |
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.