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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 | |
|---|---|---|---|---|---|---|---|
2951
O-I Glass
OI
$908M
| $126K | ﹤0.01% |
13,100
-41,600
| -76% | -$391K |
2024 Q3
7 quarters
|
|
2952
Lightwave Logic
LWLG
$641M
| $125K | ﹤0.01% |
+13,237
| New | +$155K |
2026 Q2
0 quarters
|
|
2953
Banco Bradesco
BBDO
$41.2B
| $125K | ﹤0.01% |
41,629
+6,630
| +19% | +$21.6K |
2025 Q4
2 quarters
|
|
2954
SenesTech
SNES
$3.74M
| $123K | ﹤0.01% |
82,616
-31,384
| -28% | -$51.1K |
2025 Q3
3 quarters
|
|
2955
BitFuFu
FUFU
$192M
| $120K | ﹤0.01% |
85,200
+28,053
| +49% | +$55.3K |
2025 Q1
5 quarters
|
|
|
GRML
2956
Greenland Mines Ltd
GRML
$82.8M
| $119K | ﹤0.01% |
+9,142
| New | +$169K |
2026 Q2
0 quarters
|
|
2957
MannKind Corp
MNKD
$997M
| $118K | ﹤0.01% |
27,697
-1,840,745
| -99% | -$5.98M |
2024 Q2
8 quarters
|
|
2958
CXApp
CXAI
$4.6M
| $118K | ﹤0.01% |
12,665
+5,230
| +70% | +$48.2K |
2025 Q3
3 quarters
|
|
2959
Cheetah Mobile
CMCM
$72.3M
| $117K | ﹤0.01% |
38,654
+5,812
| +18% | +$27.7K |
2018 Q4
30 quarters
|
|
2960
Talphera
TLPH
$55.5M
| $117K | ﹤0.01% |
113,300
-124,455
| -52% | -$106K |
2024 Q4
6 quarters
|
|
2961
Highway Holdings
HIHO
$3.35M
| $115K | ﹤0.01% |
143,866
-6,349
| -4% | -$5.08K |
2013 Q2
52 quarters
|
|
2962
Upland Software
UPLD
$9.8M
| $115K | ﹤0.01% |
24,584
+345
| +1% | +$2.39K |
2020 Q4
22 quarters
|
|
2963
WeRide Inc
WRD
$1.43B
| $114K | ﹤0.01% |
19,600
-62,400
| -76% | -$451K |
2026 Q1
1 quarter
|
|
2964
Huckleberry.ai, Inc. Class B Common Stock
HUCK
$144M
| $113K | ﹤0.01% |
+36,076
| New | +$121K |
2026 Q2
0 quarters
|
|
2965
Gogoro
GGR
$58.2M
| $112K | ﹤0.01% |
28,138
-300
| -1% | -$1.21K |
2024 Q1
9 quarters
|
|
2966
Neuphoria Therapeutics
NEUP
$18.3M
| $111K | ﹤0.01% |
+25,500
| New | +$123K |
2026 Q2
0 quarters
|
|
2967
TTEC Holdings
TTEC
$70.5M
| $110K | ﹤0.01% |
56,900
+200
| +0.4% | +$517 |
2025 Q3
3 quarters
|
|
2968
Energy Focus
EFOI
$16.8M
| $110K | ﹤0.01% |
33,398
+23,098
| +224% | +$80.1K |
2025 Q4
2 quarters
|
|
2969
WiMi Hologram Cloud
WIMI
$10.8M
| $109K | ﹤0.01% |
72,191
+11,100
| +18% | +$18.9K |
2021 Q4
18 quarters
|
|
2970
Katapult Holdings
KPLT
$675M
| $108K | ﹤0.01% |
16,397
-600
| -4% | -$3.99K |
2022 Q1
17 quarters
|
|
2971
Cardio Diagnostics
CDIO
$5.09M
| $108K | ﹤0.01% |
49,200
+33,852
| +221% | +$64K |
2026 Q1
1 quarter
|
|
2972
Akso Health Group
AHG
$1.05B
| $106K | ﹤0.01% |
70,943
-27,455
| -28% | -$49.5K |
2018 Q3
31 quarters
|
|
2973
Asia Pacific Wire & Cable
APWC
$52M
| $105K | ﹤0.01% |
63,900
-7,300
| -10% | -$10.7K |
2020 Q3
23 quarters
|
|
2974
Evaxion A/S
EVAX
$36.5M
| $105K | ﹤0.01% |
33,800
-5,425
| -14% | -$21.3K |
2026 Q1
1 quarter
|
|
2975
Ridgepost Capital
RPC
$943M
| $102K | ﹤0.01% |
13,000
-262,794
| -95% | -$2.09M |
2022 Q3
15 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.