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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 | |
|---|---|---|---|---|---|---|---|
3101
IN8bio
INAB
$10.8M
| $17.1K | ﹤0.01% |
+12,100
| New | +$18.2K |
2026 Q2
0 quarters
|
|
|
CCHH
3102
CCH Holdings
CCHH
$16.6M
| $16.8K | ﹤0.01% |
+3,581
| New | +$17.2K |
2026 Q2
0 quarters
|
|
3103
OKYO Pharma
OKYO
$71.9M
| $16.8K | ﹤0.01% |
+11,200
| New | +$17.9K |
2026 Q2
0 quarters
|
|
3104
Tiziana Life Sciences
TLSA
$129M
| $16.8K | ﹤0.01% |
+13,100
| New | +$17K |
2026 Q2
0 quarters
|
|
3105
Mereo BioPharma
MREO
$48.5M
| $16.6K | ﹤0.01% |
52,100
+3,700
| +8% | +$1.11K |
2020 Q2
24 quarters
|
|
|
BRNS
3106
DELISTED
Barinthus Biotherapeutics
BRNS
| $16.5K | ﹤0.01% |
25,000
-126,000
| -83% | -$82.1K |
2023 Q1
13 quarters
|
|
3107
AMTD IDEA Group American Depositary Shares, each representing three hundred sixty (360) Class A Ordinary Shares
AMTD
$36.7M
| $16.2K | ﹤0.01% |
279
-206
| -42% | -$12.5K |
2023 Q4
10 quarters
|
|
3108
Socket Mobile
SCKT
$3.8M
| $16.1K | ﹤0.01% |
26,700
+100
| +0.4% | +$86 |
2016 Q4
38 quarters
|
|
3109
DSS Inc
DSS
$5.83M
| $16K | ﹤0.01% |
27,048
-10,194
| -27% | -$6.37K |
2021 Q2
20 quarters
|
|
3110
Theriva Biologics
TOVX
$9.45M
| $15.9K | ﹤0.01% |
+63,710
| New | +$18.9K |
2026 Q2
0 quarters
|
|
3111
Purple Innovation
PRPL
$10.4M
| $15.5K | ﹤0.01% |
1,739
-25,367
| -94% | -$311K |
2025 Q3
3 quarters
|
|
|
GPUS
3112
Hyperscale Data Inc
GPUS
$19.4M
| $15.4K | ﹤0.01% |
+22,826
| New | +$18.6K |
2026 Q2
0 quarters
|
|
3113
TDH Holdings
PETZ
$12.8M
| $15.2K | ﹤0.01% |
12,100
-200
| -2% | -$234 |
2024 Q1
9 quarters
|
|
|
YARW
3114
Yarrow Bioscience
YARW
$167M
| $15.2K | ﹤0.01% |
466
+120
| +35% | +$3.89K |
2026 Q1
1 quarter
|
|
3115
Ispire Technology
ISPR
$84.3M
| $14.6K | ﹤0.01% |
13,000
+600
| +5% | +$1.02K |
2025 Q4
2 quarters
|
|
|
LGVN
3116
Longeveron
LGVN
$4.43M
| $13.9K | ﹤0.01% |
+1,983
| New | +$17.2K |
2026 Q2
0 quarters
|
|
|
CURX
3117
Curanex Pharmaceuticals
CURX
$7.72M
| $13.8K | ﹤0.01% |
+2,600
| New | +$18.9K |
2026 Q2
0 quarters
|
|
3118
Microvision
MVIS
$38.2M
| $13.4K | ﹤0.01% |
+2,740
| New | +$22.6K |
2026 Q2
0 quarters
|
|
3119
Amesite
AMST
$5.3M
| $13.4K | ﹤0.01% |
+10,100
| New | +$13.7K |
2026 Q2
0 quarters
|
|
|
ITOC
3120
iTonic Holdings
ITOC
$26.6M
| $13.3K | ﹤0.01% |
+2,755
| New | +$14.3K |
2026 Q2
0 quarters
|
|
3121
DELISTED
ESS Tech
GWH
| $12.1K | ﹤0.01% |
+12,700
| New | +$12.6K |
2026 Q2
0 quarters
|
|
3122
Huadi International Group
HUDI
$6.82M
| $11.7K | ﹤0.01% |
12,700
-25,500
| -67% | -$27.9K |
2025 Q3
3 quarters
|
|
3123
RenovoRx
RNXT
$54.6M
| $11.2K | ﹤0.01% |
11,400
-1,600
| -12% | -$1.45K |
2024 Q4
6 quarters
|
|
3124
Origin Agritech
SEED
$11.3M
| $11.1K | ﹤0.01% |
10,500
-483
| -4% | -$553 |
2026 Q1
1 quarter
|
|
3125
CLPS Inc
CLPS
$28.3M
| $11K | ﹤0.01% |
13,032
| – | – |
2022 Q2
16 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.