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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 | |
|---|---|---|---|---|---|---|---|
2651
Stran & Co
SWAG
$24.6M
| $433K | ﹤0.01% |
194,331
-20,400
| -10% | -$38.4K |
2023 Q4
10 quarters
|
|
2652
Prime Medicine
PRME
$691M
| $433K | ﹤0.01% |
117,412
-623,627
| -84% | -$2.07M |
2025 Q1
5 quarters
|
|
2653
Alarum Technologies
ALAR
$11M
| $433K | ﹤0.01% |
53,805
+40,405
| +302% | +$315K |
2025 Q3
3 quarters
|
|
2654
Core Natural Resources Inc
CNR
$4.35B
| $432K | ﹤0.01% |
5,400
-1,000
| -16% | -$88.6K |
2026 Q1
1 quarter
|
|
2655
Vinci Compass Investments Ltd
VINP
$741M
| $431K | ﹤0.01% |
44,300
-40,600
| -48% | -$422K |
2022 Q2
16 quarters
|
|
2656
Value Line
VALU
$386M
| $429K | ﹤0.01% |
10,600
-300
| -3% | -$10.4K |
2014 Q4
46 quarters
|
|
2657
Canaan Creative
CAN
$168M
| $429K | ﹤0.01% |
1,493,879
-3,040,872
| -67% | -$1.32M |
2024 Q4
6 quarters
|
|
2658
Amplify Blockchain Technology ETF
BLOK
$973M
| $428K | ﹤0.01% |
+6,837
| New | +$422K |
2026 Q2
0 quarters
|
|
2659
Allarity Therapeutics
ALLR
$14M
| $428K | ﹤0.01% |
331,509
+103,425
| +45% | +$147K |
2025 Q3
3 quarters
|
|
2660
Transcontinental Realty Investors
TCI
$424M
| $423K | ﹤0.01% |
9,200
+500
| +6% | +$19K |
2024 Q2
8 quarters
|
|
2661
Tradr 2X Long SMR Daily ETF
SMU
$70.3M
| $421K | ﹤0.01% |
+12,450
| New | +$635K |
2026 Q2
0 quarters
|
|
2662
DELISTED
NSTS Bancorp
NSTS
| $420K | ﹤0.01% |
30,500
+13,000
| +74% | +$170K |
2024 Q4
6 quarters
|
|
2663
Kartoon Studios
TOON
$31.7M
| $419K | ﹤0.01% |
590,273
+577,225
| +4,424% | +$413K |
2025 Q3
3 quarters
|
|
2664
MGP Ingredients
MGPI
$319M
| $415K | ﹤0.01% |
23,686
-12,300
| -34% | -$224K |
2025 Q4
2 quarters
|
|
2665
iShares MSCI Switzerland ETF
EWL
$2.93B
| $415K | ﹤0.01% |
6,600
+2,200
| +50% | +$135K |
2025 Q4
2 quarters
|
|
2666
Blackbaud
BLKB
$2.44B
| $415K | ﹤0.01% |
13,997
-21,000
| -60% | -$691K |
2026 Q1
1 quarter
|
|
2667
Chicago Atlantic Real Estate Finance
REFI
$235M
| $414K | ﹤0.01% |
38,600
-12,400
| -24% | -$142K |
2022 Q4
14 quarters
|
|
2668
iShares S&P Mid-Cap 400 Value ETF
IJJ
$8.6B
| $414K | ﹤0.01% |
2,800
-100
| -3% | -$14.1K |
2026 Q1
1 quarter
|
|
2669
Winchester Bancorp
WSBK
$116M
| $413K | ﹤0.01% |
31,400
+400
| +1% | +$5.14K |
2025 Q4
2 quarters
|
|
2670
LiveOne
LVO
$34.7M
| $410K | ﹤0.01% |
64,098
+390
| +0.6% | +$2.2K |
2021 Q2
20 quarters
|
|
2671
Veritone
VERI
$57.7M
| $410K | ﹤0.01% |
299,280
+219,680
| +276% | +$420K |
2025 Q3
3 quarters
|
|
2672
Minerva Neurosciences
NERV
$114M
| $407K | ﹤0.01% |
73,300
-16,400
| -18% | -$88.9K |
2016 Q1
41 quarters
|
|
2673
VinFast Auto
VFS
$7B
| $407K | ﹤0.01% |
130,300
+99,200
| +319% | +$373K |
2025 Q4
2 quarters
|
|
2674
ASML
ASML
$646B
| $407K | ﹤0.01% |
203
-135
| -40% | -$215K |
2025 Q4
2 quarters
|
|
2675
US Global Jets ETF
JETS
$757M
| $405K | ﹤0.01% |
+12,200
| New | +$338K |
2026 Q2
0 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.