Jim Simons Renaissance Technologies
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.
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 |
SNDK
Sandisk
SNDK
|
+$1.13B |
| 3 |
Apple
AAPL
|
+$426M |
| 4 |
Linde
LIN
|
+$316M |
| 5 |
Vertiv
VRT
|
+$297M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 23.57% |
| 2 | Healthcare | 14.84% |
| 3 | Consumer Discretionary | 11.27% |
| 4 | Industrials | 10.49% |
| 5 | Communication Services | 8.87% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1826
Forward Air
FWRD
$682M
| $2.58M | ﹤0.01% |
190,739
-20,800
| -10% | -$310K |
|
|
SKE
1827
Skeena Resources
SKE
$4.07B
| $2.56M | ﹤0.01% |
+96,200
| New | +$2.89M |
|
1828
Xerox
XRX
$412M
| $2.56M | ﹤0.01% |
817,928
+172,304
| +27% | +$430K |
|
1829
First Community Bankshares
FCBC
$933M
| $2.55M | ﹤0.01% |
57,492
+2,304
| +4% | +$99K |
|
1830
Protalix BioTherapeutics
PLX
$190M
| $2.55M | ﹤0.01% |
1,096,000
-128,800
| -11% | -$273K |
|
1831
Marchex
MCHX
$80.6M
| $2.54M | ﹤0.01% |
1,576,464
-29,440
| -2% | -$47.3K |
|
1832
ProShares UltraShort QQQ
QID
$241M
| $2.53M | ﹤0.01% |
+186,600
| New | +$3.01M |
|
1833
Tigo Energy
TYGO
$96.7M
| $2.53M | ﹤0.01% |
1,084,700
-214,177
| -16% | -$806K |
|
|
CLYM
1834
Climb Bio
CLYM
$846M
| $2.51M | ﹤0.01% |
192,700
-24,600
| -11% | -$254K |
|
1835
SIFCO Industries
SIF
$121M
| $2.51M | ﹤0.01% |
107,334
+51,500
| +92% | +$938K |
|
1836
Comp X International
CIX
$390M
| $2.51M | ﹤0.01% |
100,749
-6,200
| -6% | -$150K |
|
1837
Citizens Community Bancorp
CZWI
$204M
| $2.51M | ﹤0.01% |
107,200
+53,800
| +101% | +$1.13M |
|
1838
Apollo Global Management
APO
$84.8B
| $2.51M | ﹤0.01% |
21,186
-73,703
| -78% | -$9.27M |
|
1839
NEOS S&P 500 High Income ETF
SPYI
$11.4B
| $2.51M | ﹤0.01% |
+47,200
| New | +$2.48M |
|
1840
Oak Valley Bancorp
OVLY
$288M
| $2.5M | ﹤0.01% |
73,973
+38,598
| +109% | +$1.3M |
|
|
TMHC
1841
DELISTED
Taylor Morrison
TMHC
| $2.49M | ﹤0.01% |
+34,753
| New | +$2.21M |
|
1842
Apyx Medical
APYX
$128M
| $2.49M | ﹤0.01% |
554,278
+251,883
| +83% | +$999K |
|
1843
Monte Rosa Therapeutics
GLUE
$1.35B
| $2.48M | ﹤0.01% |
102,500
-276,600
| -73% | -$5.23M |
|
1844
Mitek Systems
MITK
$853M
| $2.48M | ﹤0.01% |
123,200
-307,393
| -71% | -$4.77M |
|
|
DHC
1845
Diversified Healthcare Trust
DHC
$2.03B
| $2.48M | ﹤0.01% |
266,503
-48,497
| -15% | -$397K |
|
1846
Vanguard Morningstar Small-Cap Growth ETF
VBK
$24.9B
| $2.47M | ﹤0.01% |
6,760
+5,080
| +302% | +$1.73M |
|
1847
Organogenesis Holdings
ORGO
$226M
| $2.47M | ﹤0.01% |
1,017,113
-51,425
| -5% | -$126K |
|
1848
AutoNation
AN
$6.89B
| $2.47M | ﹤0.01% |
13,300
-78,200
| -85% | -$15.3M |
|
1849
Alphatec Holdings
ATEC
$1.51B
| $2.46M | ﹤0.01% |
284,500
-770,600
| -73% | -$7.02M |
|
1850
Phathom Pharmaceuticals
PHAT
$743M
| $2.46M | ﹤0.01% |
226,400
-79,400
| -26% | -$906K |
|
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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.