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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
+887.92%
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 | |
|---|---|---|---|---|---|---|---|
1776
Sutro Biopharma
STRO
$173M
| $2.87M | ﹤0.01% |
86,324
-11,500
| -12% | -$359K |
2022 Q2
16 quarters
|
|
1777
Karooooo
KARO
$1.97B
| $2.86M | ﹤0.01% |
57,987
+30,000
| +107% | +$1.46M |
2023 Q3
11 quarters
|
|
1778
N-able
NABL
$924M
| $2.86M | ﹤0.01% |
778,565
-101,935
| -12% | -$424K |
2022 Q1
17 quarters
|
|
1779
Fastenal
FAST
$60B
| $2.84M | ﹤0.01% |
+59,176
| New | +$2.69M |
2026 Q2
0 quarters
|
|
1780
Seneca Foods Class A
SENEA
$1.13B
| $2.83M | ﹤0.01% |
16,297
-12,000
| -42% | -$1.78M |
2014 Q4
46 quarters
|
|
1781
Compañía de Cervecerías Unidas
CCU
$1.96B
| $2.83M | ﹤0.01% |
252,665
-60,587
| -19% | -$703K |
2017 Q2
36 quarters
|
|
1782
KVH Industries
KVHI
$121M
| $2.82M | ﹤0.01% |
284,115
-61,400
| -18% | -$587K |
2013 Q2
52 quarters
|
|
1783
CDW
CDW
$19.9B
| $2.81M | ﹤0.01% |
19,998
-503,000
| -96% | -$63.2M |
2025 Q2
4 quarters
|
|
1784
GoldMining Inc
GLDG
$162M
| $2.81M | ﹤0.01% |
3,099,626
-795,235
| -20% | -$890K |
2023 Q4
10 quarters
|
|
1785
iShares Expanded Tech-Software Sector ETF
IGV
$15.2B
| $2.8M | ﹤0.01% |
30,900
-125,900
| -80% | -$11.2M |
2025 Q3
3 quarters
|
|
1786
Dimensional International Core Equity 2 ETF
DFIC
$15.1B
| $2.78M | ﹤0.01% |
74,600
+66,000
| +767% | +$2.48M |
2026 Q1
1 quarter
|
|
1787
NB Bancorp
NBBK
$1B
| $2.78M | ﹤0.01% |
131,440
-132,466
| -50% | -$2.73M |
2024 Q1
9 quarters
|
|
1788
Hurco Companies Inc
HURC
$138M
| $2.77M | ﹤0.01% |
120,900
| – | – |
2014 Q4
46 quarters
|
|
1789
Cars.com
CARS
$576M
| $2.77M | ﹤0.01% |
252,998
-327,191
| -56% | -$3.32M |
2021 Q2
20 quarters
|
|
1790
Orrstown Financial Services
ORRF
$864M
| $2.76M | ﹤0.01% |
67,564
-31,400
| -32% | -$1.18M |
2013 Q2
52 quarters
|
|
1791
Air T
AIRT
$70.8M
| $2.74M | ﹤0.01% |
103,411
-3,000
| -3% | -$66.8K |
2013 Q2
52 quarters
|
|
1792
Outfront Media
OUT
$5.53B
| $2.74M | ﹤0.01% |
83,546
-202,121
| -71% | -$6.27M |
2025 Q1
5 quarters
|
|
1793
PepGen
PEPG
$194M
| $2.74M | ﹤0.01% |
1,520,246
+1,463,446
| +2,576% | +$2.38M |
2025 Q1
5 quarters
|
|
1794
ECARX Holdings
ECX
$350M
| $2.73M | ﹤0.01% |
2,119,119
+103,519
| +5% | +$118K |
2024 Q4
6 quarters
|
|
1795
Metalla Royalty & Streaming
MTA
$710M
| $2.73M | ﹤0.01% |
358,919
-93,029
| -21% | -$658K |
2024 Q2
8 quarters
|
|
1796
Standard Lithium
SLI
$365M
| $2.73M | ﹤0.01% |
992,800
+836,786
| +536% | +$3.04M |
2026 Q1
1 quarter
|
|
1797
First Trust RBA American Industrial Renaissance ETF
AIRR
$8.38B
| $2.72M | ﹤0.01% |
20,400
+8,200
| +67% | +$1.04M |
2025 Q2
4 quarters
|
|
1798
Covista Inc
CVSA
$4.41B
| $2.72M | ﹤0.01% |
21,800
-28,300
| -56% | -$3.41M |
2022 Q4
14 quarters
|
|
1799
Twin Disc
TWIN
$359M
| $2.72M | ﹤0.01% |
117,093
+9,700
| +9% | +$178K |
2014 Q3
47 quarters
|
|
1800
Rocket Pharmaceuticals
RCKT
$249M
| $2.71M | ﹤0.01% |
792,974
+155,800
| +24% | +$518K |
2024 Q4
6 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.