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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 | |
|---|---|---|---|---|---|---|---|
2801
SuperCom
SPCB
$56.8M
| $276K | ﹤0.01% |
+24,100
| New | +$244K |
2026 Q2
0 quarters
|
|
2802
AMC Global Media
AMCX
$415M
| $275K | ﹤0.01% |
27,600
-35,300
| -56% | -$313K |
2025 Q2
4 quarters
|
|
2803
GEE Group
JOB
$22.5M
| $274K | ﹤0.01% |
1,305,318
+16,392
| +1% | +$3.82K |
2022 Q1
17 quarters
|
|
2804
NextCure
NXTC
$24.9M
| $274K | ﹤0.01% |
171,202
+110,668
| +183% | +$818K |
2021 Q2
20 quarters
|
|
2805
Escalade
ESCA
$259M
| $274K | ﹤0.01% |
14,583
-847
| -5% | -$15.7K |
2013 Q2
52 quarters
|
|
2806
Chagee Holdings Ltd
CHA
$2.38B
| $273K | ﹤0.01% |
22,700
-247,000
| -92% | -$2.69M |
2026 Q1
1 quarter
|
|
2807
Community Healthcare Trust
CHCT
$377M
| $272K | ﹤0.01% |
14,900
-14,100
| -49% | -$245K |
2026 Q1
1 quarter
|
|
2808
MainStreet Bancshares
MNSB
$170M
| $272K | ﹤0.01% |
11,000
-3,400
| -24% | -$80K |
2020 Q4
22 quarters
|
|
2809
MediciNova
MNOV
$66.9M
| $271K | ﹤0.01% |
205,400
+15,500
| +8% | +$21.3K |
2019 Q4
26 quarters
|
|
2810
Telus
TU
$13.3B
| $267K | ﹤0.01% |
+25,300
| New | +$309K |
2026 Q2
0 quarters
|
|
2811
Aebi Schmidt Holding AG
AEBI
$865M
| $266K | ﹤0.01% |
21,200
-121,000
| -85% | -$1.43M |
2025 Q3
3 quarters
|
|
2812
First Capital
FCAP
$205M
| $265K | ﹤0.01% |
4,100
-700
| -15% | -$40.4K |
2025 Q2
4 quarters
|
|
2813
Fortress Biotech
FBIO
$64.7M
| $264K | ﹤0.01% |
86,390
-13,200
| -13% | -$34K |
2025 Q3
3 quarters
|
|
2814
RPC Inc
RES
$1.39B
| $264K | ﹤0.01% |
45,300
-205,000
| -82% | -$1.43M |
2024 Q4
6 quarters
|
|
2815
Live Ventures
LIVE
$22.7M
| $264K | ﹤0.01% |
26,399
-3,700
| -12% | -$43K |
2019 Q3
27 quarters
|
|
2816
US GoldMining
USGO
$77.8M
| $263K | ﹤0.01% |
32,300
-39,300
| -55% | -$437K |
2025 Q3
3 quarters
|
|
2817
TAL Education Group
TAL
$6.42B
| $260K | ﹤0.01% |
27,200
-207,000
| -88% | -$2.17M |
2026 Q1
1 quarter
|
|
2818
Amplify Energy
AMPY
$187M
| $259K | ﹤0.01% |
65,178
+50,378
| +340% | +$259K |
2026 Q1
1 quarter
|
|
2819
InterGroup Corp
INTG
$69.2M
| $259K | ﹤0.01% |
+5,400
| New | +$205K |
2026 Q2
0 quarters
|
|
2820
Energys Group
ENGS
$171M
| $259K | ﹤0.01% |
106,500
+90,000
| +545% | +$137K |
2026 Q1
1 quarter
|
|
2821
Sound Financial Bancorp
SFBC
$114M
| $259K | ﹤0.01% |
6,000
+325
| +6% | +$13.9K |
2025 Q4
2 quarters
|
|
2822
Scilex Holding
SCLX
$17.8M
| $258K | ﹤0.01% |
33,064
-3,800
| -10% | -$27.9K |
2025 Q3
3 quarters
|
|
2823
Drilling Tools International
DTI
$66.3M
| $257K | ﹤0.01% |
133,200
+42,974
| +48% | +$128K |
2024 Q3
7 quarters
|
|
2824
Proficient Auto Logistics
PAL
$79.1M
| $257K | ﹤0.01% |
37,700
-8,200
| -18% | -$54.8K |
2025 Q3
3 quarters
|
|
2825
Atossa Therapeutics
ATOS
$25.3M
| $255K | ﹤0.01% |
132,043
+23,036
| +21% | +$105K |
2021 Q4
18 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.