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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 | |
|---|---|---|---|---|---|---|---|
1501
Northeast Community Bancorp
NECB
$389M
| $4.73M | 0.01% |
170,625
-5,580
| -3% | -$139K |
2021 Q3
19 quarters
|
|
1502
Vanguard Russell 1000 Growth ETF
VONG
$46.4B
| $4.73M | 0.01% |
37,000
-42,700
| -54% | -$5.3M |
2026 Q1
1 quarter
|
|
1503
Novavax
NVAX
$1.82B
| $4.73M | 0.01% |
501,783
+4,400
| +0.9% | +$39.4K |
2026 Q1
1 quarter
|
|
1504
Ingevity
NGVT
$2.43B
| $4.72M | 0.01% |
63,200
-58,800
| -48% | -$4.23M |
2025 Q1
5 quarters
|
|
1505
CNB Financial Corp
CCNE
$1.02B
| $4.72M | 0.01% |
139,945
-48,500
| -26% | -$1.51M |
2015 Q1
45 quarters
|
|
1506
Fortinet
FTNT
$128B
| $4.72M | 0.01% |
30,700
-30,694
| -50% | -$3.55M |
2015 Q3
43 quarters
|
|
1507
SouthState Bank Corp
SSB
$10B
| $4.69M | 0.01% |
+46,959
| New | +$4.53M |
2026 Q2
0 quarters
|
|
1508
Pangaea Logistics
PANL
$519M
| $4.64M | 0.01% |
714,387
-31,713
| -4% | -$241K |
2021 Q1
21 quarters
|
|
1509
PagerDuty
PD
$1.34B
| $4.62M | 0.01% |
478,438
-300,400
| -39% | -$2.27M |
2022 Q1
17 quarters
|
|
1510
Ponce Financial Group
PDLB
$488M
| $4.61M | 0.01% |
231,135
-11,000
| -5% | -$201K |
2018 Q3
31 quarters
|
|
1511
The Bancorp
TBBK
$2.04B
| $4.59M | 0.01% |
+73,249
| New | +$4.2M |
2026 Q2
0 quarters
|
|
1512
SELLAS Life Sciences
SLS
$2.45B
| $4.58M | 0.01% |
+310,364
| New | +$2.14M |
2026 Q2
0 quarters
|
|
1513
iRhythm Holdings
IRTC
$3.74B
| $4.58M | 0.01% |
38,500
-15,300
| -28% | -$1.78M |
2025 Q1
5 quarters
|
|
1514
Helmerich & Payne
HP
$3.82B
| $4.56M | 0.01% |
139,200
-241,900
| -63% | -$9.05M |
2022 Q4
14 quarters
|
|
1515
West Bancorporation
WTBA
$501M
| $4.56M | 0.01% |
171,752
-10,700
| -6% | -$260K |
2013 Q2
52 quarters
|
|
1516
Ardelyx
ARDX
$808M
| $4.55M | 0.01% |
892,593
-379,848
| -30% | -$2.32M |
2025 Q1
5 quarters
|
|
1517
Chemung Financial Corp
CHMG
$394M
| $4.53M | 0.01% |
60,679
+19,457
| +47% | +$1.3M |
2015 Q3
43 quarters
|
|
1518
Liberty Capital Corp Series C GCI Group Common Stock
GLIBK
$800M
| $4.51M | 0.01% |
209,200
-36,100
| -15% | -$1.01M |
2025 Q3
3 quarters
|
|
1519
Liberty Latin America Class A
LILA
$1.57B
| $4.5M | 0.01% |
574,500
-698,131
| -55% | -$3.89M |
2022 Q1
17 quarters
|
|
1520
Lakeland Financial Corp
LKFN
$1.44B
| $4.5M | 0.01% |
72,968
+14,424
| +25% | +$870K |
2025 Q1
5 quarters
|
|
1521
FB Bancorp
FBLA
$239M
| $4.5M | 0.01% |
298,973
+32,473
| +12% | +$460K |
2025 Q3
3 quarters
|
|
1522
Perimeter Solutions
PRM
$4.46B
| $4.5M | 0.01% |
126,231
-465,026
| -79% | -$14.5M |
2024 Q3
7 quarters
|
|
1523
Lantronix
LTRX
$278M
| $4.5M | 0.01% |
764,888
+74,694
| +11% | +$479K |
2013 Q2
52 quarters
|
|
1524
Ball Corp
BALL
$17B
| $4.49M | 0.01% |
+72,000
| New | +$4.23M |
2026 Q2
0 quarters
|
|
1525
Certara
CERT
$1.55B
| $4.48M | 0.01% |
684,700
+330,200
| +93% | +$1.86M |
2025 Q2
4 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.