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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 | |
|---|---|---|---|---|---|---|---|
1601
ReNew
RNW
$2.5B
| $3.85M | 0.01% |
616,600
+313,800
| +104% | +$1.77M |
2025 Q1
5 quarters
|
|
1602
Strategic Education
STRA
$1.77B
| $3.85M | 0.01% |
50,278
-58,740
| -54% | -$4.65M |
2013 Q2
52 quarters
|
|
1603
Select Water Solutions
WTTR
$2.42B
| $3.85M | 0.01% |
192,761
-210,700
| -52% | -$3.69M |
2019 Q3
27 quarters
|
|
1604
Keros Therapeutics
KROS
$222M
| $3.84M | 0.01% |
359,086
-94,396
| -21% | -$1.05M |
2025 Q2
4 quarters
|
|
1605
Kaiser Aluminum
KALU
$2.52B
| $3.83M | 0.01% |
19,600
-14,214
| -42% | -$2.42M |
2025 Q1
5 quarters
|
|
1606
iShares Preferred and Income Securities ETF
PFF
$11.9B
| $3.82M | 0.01% |
+125,400
| New | +$3.91M |
2026 Q2
0 quarters
|
|
1607
Hallador Energy
HNRG
$540M
| $3.82M | 0.01% |
219,855
-88,400
| -29% | -$1.52M |
2016 Q2
40 quarters
|
|
1608
First Northwest Bancorp
FNWB
$90.7M
| $3.81M | 0.01% |
352,305
+14,000
| +4% | +$140K |
2015 Q4
42 quarters
|
|
1609
Invesco S&P MidCap Momentum ETF
XMMO
$6.86B
| $3.8M | 0.01% |
22,352
+17,152
| +330% | +$2.8M |
2025 Q4
2 quarters
|
|
1610
Hanmi Financial
HAFC
$934M
| $3.8M | 0.01% |
117,358
-68,153
| -37% | -$2.03M |
2013 Q2
52 quarters
|
|
1611
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$19.3B
| $3.79M | 0.01% |
+12,385
| New | +$3.57M |
2026 Q2
0 quarters
|
|
1612
Evolution Petroleum
EPM
$151M
| $3.79M | 0.01% |
1,029,814
+76,917
| +8% | +$336K |
2013 Q2
52 quarters
|
|
1613
Procore
PCOR
$9.26B
| $3.79M | 0.01% |
+93,251
| New | +$4.61M |
2026 Q2
0 quarters
|
|
1614
Home Bancorp
HBCP
$471M
| $3.79M | 0.01% |
55,273
-36,200
| -40% | -$2.34M |
2013 Q2
52 quarters
|
|
1615
Farmland Partners
FPI
$429M
| $3.78M | 0.01% |
390,400
+304,000
| +352% | +$3.24M |
2024 Q4
6 quarters
|
|
1616
Ethan Allen Interiors
ETD
$499M
| $3.76M | 0.01% |
168,401
-92,776
| -36% | -$1.97M |
2017 Q3
35 quarters
|
|
1617
Nelnet
NNI
$4.49B
| $3.73M | 0.01% |
28,000
-20,000
| -42% | -$2.65M |
2024 Q2
8 quarters
|
|
1618
Opera Ltd
OPRA
$1.6B
| $3.73M | 0.01% |
187,929
-96,872
| -34% | -$1.71M |
2025 Q1
5 quarters
|
|
1619
Oppenheimer Holdings
OPY
$1.09B
| $3.73M | 0.01% |
35,298
+12,498
| +55% | +$1.27M |
2016 Q2
40 quarters
|
|
1620
Capital Group Growth ETF
CGGR
$26B
| $3.72M | 0.01% |
78,858
+23,658
| +43% | +$1.07M |
2025 Q2
4 quarters
|
|
1621
Ocular Therapeutix
OCUL
$1.42B
| $3.72M | 0.01% |
378,754
-769,228
| -67% | -$6.97M |
2025 Q4
2 quarters
|
|
1622
Vanguard Russell 1000 Value ETF
VONV
$22.6B
| $3.7M | 0.01% |
34,800
-49,800
| -59% | -$5.09M |
2024 Q3
7 quarters
|
|
1623
Capital Group Core Balanced ETF
CGBL
$7.8B
| $3.68M | 0.01% |
+97,000
| New | +$3.58M |
2026 Q2
0 quarters
|
|
1624
Grindr
GRND
$2.39B
| $3.68M | 0.01% |
256,100
+239,364
| +1,430% | +$3.1M |
2023 Q4
10 quarters
|
|
1625
Marcus Corp
MCS
$889M
| $3.68M | 0.01% |
156,789
-156,181
| -50% | -$3.07M |
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.