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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 | |
|---|---|---|---|---|---|---|---|
3126
Mega Matrix
MPU
$8.42M
| $10.6K | ﹤0.01% |
+1,789
| New | +$18.3K |
2026 Q2
0 quarters
|
|
3127
Blue Gold Ltd
BGL
$6.06M
| $10.4K | ﹤0.01% |
37,330
+8,076
| +28% | +$6.74K |
2026 Q1
1 quarter
|
|
3128
China Pharma Holdings
CPHI
$29.5M
| $9.9K | ﹤0.01% |
15,045
+3,627
| +32% | +$2.53K |
2025 Q3
3 quarters
|
|
3129
Ryde Group
RYDE
$129M
| $9.4K | ﹤0.01% |
+14,653
| New | +$14.7K |
2026 Q2
0 quarters
|
|
3130
Lexaria Bioscience
LEXX
$5.48M
| $9.24K | ﹤0.01% |
1,100
+13
| +1% | +$141 |
2025 Q3
3 quarters
|
|
|
THH
3131
TryHard Holdings
THH
$6.51M
| $8.46K | ﹤0.01% |
+2,928
| New | +$10.1K |
2026 Q2
0 quarters
|
|
3132
ChowChow Cloud International
CHOW
$11.8M
| $8.12K | ﹤0.01% |
+21,100
| New | +$9.02K |
2026 Q2
0 quarters
|
|
|
STKH
3133
Steakholder Foods
STKH
$633K
| $7.5K | ﹤0.01% |
+4,533
| New | +$19.4K |
2026 Q2
0 quarters
|
|
3134
Cheche Group
CCG
$11.5M
| $7.27K | ﹤0.01% |
385
-3,729
| -91% | -$79.9K |
2025 Q2
4 quarters
|
|
|
HOST
3135
Host Digital Inc.
HOST
$54.1M
| $7.26K | ﹤0.01% |
1,069
-168
| -14% | -$1.56K |
2025 Q3
3 quarters
|
|
3136
DELISTED
REE Automotive
REE
| $6.07K | ﹤0.01% |
30,977
-400
| -1% | -$182 |
2021 Q3
19 quarters
|
|
3137
Mynd.ai
MYND
$10.4M
| $6.07K | ﹤0.01% |
15,844
-400
| -2% | -$144 |
2023 Q4
10 quarters
|
|
3138
CBL International Ltd
BANL
$6.4M
| $4.07K | ﹤0.01% |
+908
| New | +$5.28K |
2026 Q2
0 quarters
|
|
|
CSAI
3139
Cloudastructure
CSAI
$1.92M
| $3.6K | ﹤0.01% |
+353
| New | +$5.22K |
2026 Q2
0 quarters
|
|
3140
Agilent Technologies
A
$47.9B
| – | – |
-300,300
| Closed | -$34.2M | – |
|
3141
American Airlines Group
AAL
$7.73B
| – | – |
-9,687,232
| Closed | -$104M | – |
|
3142
Applied Optoelectronics
AAOI
$6.64B
| – | – |
-565,279
| Closed | -$47.8M | – |
|
3143
iShares MSCI All Country Asia ex Japan ETF
AAXJ
$3.71B
| – | – |
-81,400
| Closed | -$7.84M | – |
|
3144
Abeona Therapeutics
ABEO
$252M
| – | – |
-161,082
| Closed | -$722K | – |
|
3145
Abacus Global Management
ABX
$768M
| – | – |
-131,800
| Closed | -$1.04M | – |
|
3146
ABVC BioPharma
ABVC
$24.3M
| – | – |
-95,100
| Closed | -$92.3K | – |
|
3147
ProFrac Holding
ACDC
$741M
| – | – |
-140,700
| Closed | -$872K | – |
|
3148
DELISTED
Arcellx
ACLX
| – | – |
-96,400
| Closed | -$11.1M | – |
|
3149
Enact Holdings
ACT
$6.35B
| – | – |
-11,200
| Closed | -$457K | – |
|
|
ACVA
3150
DELISTED
ACV Auctions
ACVA
| – | – |
-192,200
| Closed | -$815K | – |
|
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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.