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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 | |
|---|---|---|---|---|---|---|---|
1626
Bank of Marin Bancorp
BMRC
$431M
| $3.67M | 0.01% |
132,381
+12,989
| +11% | +$339K |
2014 Q1
49 quarters
|
|
1627
Commerce.com Inc Series 1
CMRC
$300M
| $3.66M | 0.01% |
1,237,800
-14,300
| -1% | -$41K |
2021 Q4
18 quarters
|
|
1628
Eastern Company
EML
$146M
| $3.66M | 0.01% |
131,437
-1,800
| -1% | -$39.5K |
2013 Q2
52 quarters
|
|
1629
Primis Financial Corp
FRST
$386M
| $3.65M | 0.01% |
223,070
-47,100
| -17% | -$687K |
2016 Q2
40 quarters
|
|
1630
Provident Financial
PROV
$113M
| $3.64M | 0.01% |
211,347
-1,006
| -0.5% | -$17.1K |
2013 Q2
52 quarters
|
|
1631
Tanger
SKT
$4.06B
| $3.63M | 0.01% |
92,074
-188,298
| -67% | -$6.98M |
2021 Q3
19 quarters
|
|
1632
Black Diamond Therapeutics
BDTX
$120M
| $3.63M | 0.01% |
1,962,394
+318,647
| +19% | +$779K |
2021 Q4
18 quarters
|
|
1633
Alpine Income Property Trust
PINE
$307M
| $3.61M | 0.01% |
174,000
+52,800
| +44% | +$1.03M |
2024 Q2
8 quarters
|
|
1634
TWFG Inc
TWFG
$340M
| $3.61M | 0.01% |
149,900
+31,573
| +27% | +$621K |
2024 Q4
6 quarters
|
|
1635
International General Insurance
IGIC
$1.06B
| $3.6M | 0.01% |
137,700
+20,443
| +17% | +$521K |
2022 Q4
14 quarters
|
|
1636
SiriusPoint
SPNT
$2.98B
| $3.6M | 0.01% |
150,087
+132,487
| +753% | +$3.04M |
2026 Q1
1 quarter
|
|
1637
Leonardo DRS
DRS
$9.06B
| $3.6M | 0.01% |
84,394
-109,600
| -56% | -$4.87M |
2024 Q3
7 quarters
|
|
1638
Relay Therapeutics
RLAY
$4.03B
| $3.6M | 0.01% |
192,399
-481,200
| -71% | -$6.99M |
2023 Q3
11 quarters
|
|
1639
NPK International
NPKI
$942M
| $3.59M | ﹤0.01% |
225,367
-136,800
| -38% | -$2.06M |
2017 Q3
35 quarters
|
|
1640
Ampco-Pittsburgh
AP
$170M
| $3.58M | ﹤0.01% |
414,419
-8,800
| -2% | -$89.3K |
2013 Q2
52 quarters
|
|
1641
VersaBank
VBNK
$747M
| $3.58M | ﹤0.01% |
154,100
+41,400
| +37% | +$747K |
2023 Q3
11 quarters
|
|
1642
Crown Holdings
CCK
$12.6B
| $3.57M | ﹤0.01% |
31,900
-516,100
| -94% | -$52.1M |
2023 Q3
11 quarters
|
|
1643
Comstock Resources
CRK
$4.04B
| $3.56M | ﹤0.01% |
238,700
+106,800
| +81% | +$1.63M |
2026 Q1
1 quarter
|
|
1644
Greenlight Captial
GLRE
$488M
| $3.55M | ﹤0.01% |
219,230
+141,580
| +182% | +$2.43M |
2026 Q1
1 quarter
|
|
1645
MasterCraft Boat Holdings
MCFT
$472M
| $3.55M | ﹤0.01% |
137,328
+3,872
| +3% | +$90.1K |
2021 Q4
18 quarters
|
|
1646
KRONOS Worldwide
KRO
$861M
| $3.53M | ﹤0.01% |
557,132
-22,300
| -4% | -$153K |
2016 Q1
41 quarters
|
|
1647
Forrester Research
FORR
$227M
| $3.52M | ﹤0.01% |
418,206
-18,500
| -4% | -$121K |
2013 Q2
52 quarters
|
|
1648
PC Connection
CNXN
$2.21B
| $3.5M | ﹤0.01% |
48,000
-10,000
| -17% | -$667K |
2022 Q2
16 quarters
|
|
1649
ProShares Ultra S&P500
SSO
$9.09B
| $3.49M | ﹤0.01% |
+51,855
| New | +$3.32M |
2026 Q2
0 quarters
|
|
1650
Anteris Technologies
AVR
$586M
| $3.47M | ﹤0.01% |
+352,500
| New | +$2.68M |
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.