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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 | |
|---|---|---|---|---|---|---|---|
1301
First Busey Corp
BUSE
$2.46B
| $6.52M | 0.01% |
221,100
-153,700
| -41% | -$4.17M |
2013 Q2
52 quarters
|
|
1302
Bicycle Therapeutics
BCYC
$252M
| $6.5M | 0.01% |
1,533,400
+554,100
| +57% | +$2.54M |
2023 Q1
13 quarters
|
|
1303
Globalstar
GSAT
$10.8B
| $6.5M | 0.01% |
79,900
+57,300
| +254% | +$4.61M |
2026 Q1
1 quarter
|
|
1304
Adaptive Biotechnologies
ADPT
$4.08B
| $6.5M | 0.01% |
302,800
+63,000
| +26% | +$965K |
2026 Q1
1 quarter
|
|
1305
Franklin Electric
FELE
$4.46B
| $6.48M | 0.01% |
60,500
+33,600
| +125% | +$3.37M |
2024 Q2
8 quarters
|
|
1306
Future Fuel
FF
$244M
| $6.48M | 0.01% |
1,433,400
-144,300
| -9% | -$622K |
2013 Q2
52 quarters
|
|
1307
Fox Factory Holding Corp
FOXF
$625M
| $6.47M | 0.01% |
382,093
-107,800
| -22% | -$1.88M |
2025 Q1
5 quarters
|
|
1308
Ivanhoe Electric
IE
$1.35B
| $6.46M | 0.01% |
672,200
+313,000
| +87% | +$3.95M |
2026 Q1
1 quarter
|
|
1309
Eastern Bankshares
EBC
$4.91B
| $6.45M | 0.01% |
289,870
-7,000
| -2% | -$142K |
2021 Q2
20 quarters
|
|
1310
Savers
SVV
$1.53B
| $6.44M | 0.01% |
638,480
-405,784
| -39% | -$3.52M |
2023 Q3
11 quarters
|
|
1311
Worthington Steel
WS
$2.04B
| $6.42M | 0.01% |
191,138
+4,700
| +3% | +$180K |
2024 Q1
9 quarters
|
|
1312
Shore Bancshares
SHBI
$759M
| $6.41M | 0.01% |
279,515
-68,100
| -20% | -$1.39M |
2013 Q2
52 quarters
|
|
1313
iShares California Muni Bond ETF
CMF
$5.14B
| $6.4M | 0.01% |
111,073
+92,373
| +494% | +$5.29M |
2023 Q4
10 quarters
|
|
1314
Algonquin Power & Utilities
AQN
$4.08B
| $6.39M | 0.01% |
1,091,255
-856,537
| -44% | -$5.2M |
2024 Q3
7 quarters
|
|
1315
ProShares UltraPro Short S&P 500
SPXU
$436M
| $6.38M | 0.01% |
+172,025
| New | +$7.12M |
2026 Q2
0 quarters
|
|
1316
DELISTED
Avanos Medical
AVNS
| $6.37M | 0.01% |
+256,100
| New | +$6M |
2026 Q2
0 quarters
|
|
1317
ProShares Bitcoin Strategy ETF
BITO
$1.71B
| $6.36M | 0.01% |
+796,502
| New | +$7.81M |
2026 Q2
0 quarters
|
|
1318
Warby Parker
WRBY
$3.14B
| $6.35M | 0.01% |
209,336
-343,500
| -62% | -$8.5M |
2023 Q1
13 quarters
|
|
1319
Travelzoo
TZOO
$53.9M
| $6.32M | 0.01% |
541,101
-23,000
| -4% | -$211K |
2013 Q2
52 quarters
|
|
1320
Weave Communications
WEAV
$595M
| $6.31M | 0.01% |
1,053,438
-434,462
| -29% | -$2.37M |
2023 Q2
12 quarters
|
|
1321
Westwood Holdings Group
WHG
$177M
| $6.3M | 0.01% |
328,558
-22,209
| -6% | -$374K |
2013 Q2
52 quarters
|
|
1322
MSC Industrial Direct
MSM
$7.41B
| $6.29M | 0.01% |
+52,900
| New | +$5.62M |
2026 Q2
0 quarters
|
|
1323
Workiva
WK
$4.35B
| $6.28M | 0.01% |
129,540
-79,600
| -38% | -$4.1M |
2015 Q4
42 quarters
|
|
1324
Genco Shipping & Trading
GNK
$1.12B
| $6.26M | 0.01% |
252,818
-129,100
| -34% | -$3.12M |
2017 Q1
37 quarters
|
|
1325
C&F Financial
CFFI
$340M
| $6.25M | 0.01% |
78,079
-2,700
| -3% | -$204K |
2013 Q2
52 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.