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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 | |
|---|---|---|---|---|---|---|---|
1001
DELISTED
Stellar Bancorp
STEL
| $11.1M | 0.02% |
282,786
+132,800
| +89% | +$5M |
2026 Q1
1 quarter
|
|
1002
Rush Enterprises Class A
RUSHA
$5.35B
| $11.1M | 0.02% |
228,300
-19,350
| -8% | -$910K |
2016 Q1
41 quarters
|
|
1003
West Pharmaceutical
WST
$27.4B
| $11.1M | 0.02% |
30,900
-178,760
| -85% | -$54.7M |
2025 Q4
2 quarters
|
|
1004
Bilibili
BILI
$5.73B
| $11.1M | 0.02% |
650,435
+143,100
| +28% | +$2.9M |
2025 Q4
2 quarters
|
|
1005
RCM Technologies
RCMT
$278M
| $11.1M | 0.02% |
391,553
-43,324
| -10% | -$1.16M |
2013 Q2
52 quarters
|
|
1006
Fidelity Wise Origin Bitcoin Fund
FBTC
$15.3B
| $11.1M | 0.02% |
216,500
+161,400
| +293% | +$10.1M |
2025 Q2
4 quarters
|
|
1007
Brixmor Property Group
BRX
$8.51B
| $11.1M | 0.02% |
350,500
+341,100
| +3,629% | +$10.4M |
2026 Q1
1 quarter
|
|
1008
eToro Group
ETOR
$1.94B
| $11M | 0.02% |
279,850
-13,100
| -4% | -$494K |
2025 Q3
3 quarters
|
|
1009
Bank of Hawaii
BOH
$2.71B
| $11M | 0.02% |
135,500
+27,900
| +26% | +$2.18M |
2024 Q1
9 quarters
|
|
1010
Frontier Group Holdings
ULCC
$1.13B
| $11M | 0.02% |
+1,395,600
| New | +$7.2M |
2026 Q2
0 quarters
|
|
1011
Silicon Laboratories
SLAB
$7.38B
| $11M | 0.02% |
50,498
-104,600
| -67% | -$22.6M |
2025 Q3
3 quarters
|
|
1012
Lightpath Technologies
LPTH
$528M
| $11M | 0.02% |
671,737
+275,815
| +70% | +$3.85M |
2019 Q3
27 quarters
|
|
|
MRX
1013
Marex Group Limited Ordinary Shares
MRX
$5.07B
| $11M | 0.02% |
180,087
+99,567
| +124% | +$5.48M |
2024 Q3
7 quarters
|
|
1014
Flexsteel Industries
FLXS
$345M
| $10.9M | 0.02% |
146,955
+4,755
| +3% | +$266K |
2016 Q3
39 quarters
|
|
1015
Climb Global Solutions
CLMB
$583M
| $10.9M | 0.02% |
471,140
-65,073
| -12% | -$1.4M |
2013 Q2
52 quarters
|
|
1016
Avista
AVA
$3.09B
| $10.9M | 0.02% |
266,700
+118,885
| +80% | +$4.89M |
2024 Q4
6 quarters
|
|
1017
Take-Two Interactive
TTWO
$38.6B
| $10.9M | 0.02% |
43,644
-268,906
| -86% | -$59.3M |
2025 Q2
4 quarters
|
|
1018
Core Molding Technologies
CMT
$200M
| $10.9M | 0.02% |
461,947
-26,500
| -5% | -$652K |
2013 Q2
52 quarters
|
|
1019
Huntington Bancshares
HBAN
$31.4B
| $10.9M | 0.02% |
614,095
-4,579,200
| -88% | -$75.6M |
2025 Q4
2 quarters
|
|
1020
PG&E
PCG
$39.6B
| $10.9M | 0.02% |
+646,400
| New | +$10.9M |
2026 Q2
0 quarters
|
|
1021
Piper Sandler
PIPR
$4.53B
| $10.8M | 0.01% |
149,840
+100,640
| +205% | +$8.16M |
2026 Q1
1 quarter
|
|
1022
iShares MSCI Brazil ETF
EWZ
$13.7B
| $10.7M | 0.01% |
311,007
-24,493
| -7% | -$915K |
2024 Q4
6 quarters
|
|
1023
VanEck Oil Services ETF
OIH
$1.83B
| $10.7M | 0.01% |
28,806
+17,896
| +164% | +$7.5M |
2026 Q1
1 quarter
|
|
1024
Asbury Automotive
ABG
$3.09B
| $10.7M | 0.01% |
+53,200
| New | +$10.5M |
2026 Q2
0 quarters
|
|
1025
Lincoln Educational Services
LINC
$687M
| $10.7M | 0.01% |
213,685
-79,493
| -27% | -$3.6M |
2014 Q4
46 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.