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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 | |
|---|---|---|---|---|---|---|---|
2676
Portillo's
PTLO
$313M
| $405K | ﹤0.01% |
85,342
-72,355
| -46% | -$350K |
2024 Q4
6 quarters
|
|
2677
C3.ai
AI
$1.9B
| $404K | ﹤0.01% |
44,400
-66,500
| -60% | -$631K |
2026 Q1
1 quarter
|
|
2678
iShares US Broker-Dealers & Securities Exchanges ETF
IAI
$1.3B
| $403K | ﹤0.01% |
+2,300
| New | +$410K |
2026 Q2
0 quarters
|
|
2679
Streamex Corp
STEX
$43M
| $403K | ﹤0.01% |
473,603
+71,999
| +18% | +$74.5K |
2026 Q1
1 quarter
|
|
2680
Altisource Portfolio Solutions
ASPS
$62.7M
| $402K | ﹤0.01% |
53,648
-2,600
| -5% | -$17.3K |
2016 Q1
41 quarters
|
|
2681
Beasley Broadcasting Group
BBGI
$17.4M
| $401K | ﹤0.01% |
+15,289
| New | +$268K |
2026 Q2
0 quarters
|
|
2682
LENZ Therapeutics
LENZ
$101M
| $401K | ﹤0.01% |
+70,628
| New | +$569K |
2026 Q2
0 quarters
|
|
2683
Magyar Bancorp
MGYR
$125M
| $401K | ﹤0.01% |
22,986
+200
| +0.9% | +$3.5K |
2021 Q3
19 quarters
|
|
2684
Precipio
PRPO
$38M
| $401K | ﹤0.01% |
16,199
-3,101
| -16% | -$80.7K |
2025 Q3
3 quarters
|
|
2685
Park Dental Partners
PARK
$94.7M
| $401K | ﹤0.01% |
+18,600
| New | +$340K |
2026 Q2
0 quarters
|
|
2686
E.W. Scripps
SSP
$224M
| $401K | ﹤0.01% |
144,631
-66,600
| -32% | -$252K |
2024 Q1
9 quarters
|
|
2687
Relmada Therapeutics
RLMD
$342M
| $400K | ﹤0.01% |
57,800
-109,400
| -65% | -$764K |
2022 Q4
14 quarters
|
|
2688
abrdn Physical Palladium Shares ETF
PALL
$572M
| $399K | ﹤0.01% |
18,053
-18,447
| -51% | -$472K |
2026 Q1
1 quarter
|
|
2689
ProShares Short QQQ
PSQ
$636M
| $398K | ﹤0.01% |
15,900
-245,300
| -94% | -$6.67M |
2026 Q1
1 quarter
|
|
2690
Duluth Holdings
DLTH
$152M
| $398K | ﹤0.01% |
+88,900
| New | +$321K |
2026 Q2
0 quarters
|
|
2691
Inovio Pharmaceuticals
INO
$82.2M
| $397K | ﹤0.01% |
361,339
-282,438
| -44% | -$335K |
2022 Q1
17 quarters
|
|
2692
KLX Energy Services
KLXE
$122M
| $396K | ﹤0.01% |
153,600
+1,500
| +1% | +$4.45K |
2022 Q1
17 quarters
|
|
2693
First Trust Natural Gas ETF
FCG
$680M
| $396K | ﹤0.01% |
14,890
-84,910
| -85% | -$2.49M |
2025 Q1
5 quarters
|
|
2694
Xtant Medical Holdings
XTNT
$41.5M
| $394K | ﹤0.01% |
935,119
-52,291
| -5% | -$25.1K |
2017 Q3
35 quarters
|
|
2695
Hudson Pacific Properties
HPP
$513M
| $393K | ﹤0.01% |
+25,900
| New | +$284K |
2026 Q2
0 quarters
|
|
2696
Presidio Production Co
FTW
$302M
| $392K | ﹤0.01% |
+32,200
| New | +$369K |
2026 Q2
0 quarters
|
|
2697
Peoples Financial Services
PFIS
$689M
| $390K | ﹤0.01% |
5,879
-10,648
| -64% | -$631K |
2015 Q3
43 quarters
|
|
2698
Tradr 2X Long IREN Daily ETF
IREX
$25.2M
| $389K | ﹤0.01% |
+16,600
| New | +$587K |
2026 Q2
0 quarters
|
|
2699
Orchestra BioMed
OBIO
$349M
| $388K | ﹤0.01% |
90,000
+19,100
| +27% | +$78.1K |
2025 Q2
4 quarters
|
|
2700
Sunrise Realty Trust
SUNS
$84.6M
| $387K | ﹤0.01% |
49,000
+4,700
| +11% | +$37.8K |
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.