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 | |
|---|---|---|---|---|---|---|
|
ARX
1651
Accelerant Holdings
ARX
$4.26B
| $3.47M | ﹤0.01% |
296,100
+19,500
| +7% | +$274K |
|
1652
NN Inc
NNBR
$298M
| $3.47M | ﹤0.01% |
966,000
+416,960
| +76% | +$1.04M |
|
1653
Astrana Health
ASTH
$1.87B
| $3.46M | ﹤0.01% |
74,646
-29,900
| -29% | -$1.08M |
|
1654
SR Bancorp
SRBK
$147M
| $3.46M | ﹤0.01% |
176,000
-4,300
| -2% | -$79.5K |
|
1655
Rapid7
RPD
$929M
| $3.46M | ﹤0.01% |
427,096
+277,900
| +186% | +$1.84M |
|
1656
Precigen
PGEN
$2.32B
| $3.45M | ﹤0.01% |
+605,300
| New | +$2.62M |
|
1657
iShares MSCI EAFE ETF
EFA
$80.3B
| $3.45M | ﹤0.01% |
33,200
-827,800
| -96% | -$85.1M |
|
1658
Duos Technologies
DUOT
$294M
| $3.45M | ﹤0.01% |
287,200
+22,785
| +9% | +$229K |
|
|
CMDB
1659
Costamare Bulkers Holdings
CMDB
$438M
| $3.44M | ﹤0.01% |
196,146
-8,293
| -4% | -$144K |
|
1660
iShares S&P 500 Growth ETF
IVW
$77.9B
| $3.44M | ﹤0.01% |
+25,000
| New | +$3.3M |
|
1661
Chegg
CHGG
$89.3M
| $3.43M | ﹤0.01% |
3,396,900
+50,100
| +1% | +$55K |
|
1662
Reynolds Consumer Products
REYN
$5.55B
| $3.42M | ﹤0.01% |
127,500
+23,800
| +23% | +$530K |
|
1663
Gaotu Techedu
GOTU
$401M
| $3.42M | ﹤0.01% |
2,061,978
-268,662
| -12% | -$488K |
|
1664
Humana
HUM
$46.2B
| $3.42M | ﹤0.01% |
+8,600
| New | +$2.45M |
|
1665
Wipro
WIT
$19.4B
| $3.4M | ﹤0.01% |
1,511,900
-749,300
| -33% | -$1.59M |
|
1666
PureCycle Technologies
PCT
$1.41B
| $3.4M | ﹤0.01% |
419,100
+273,300
| +187% | +$2.45M |
|
1667
Unisys
UIS
$210M
| $3.4M | ﹤0.01% |
927,700
+14,800
| +2% | +$46.4K |
|
|
KBDC
1668
Kayne Anderson BDC
KBDC
$909M
| $3.39M | ﹤0.01% |
250,829
+105,507
| +73% | +$1.52M |
|
1669
Simulations Plus
SLP
$370M
| $3.39M | ﹤0.01% |
185,048
+3,548
| +2% | +$54.5K |
|
1670
Empire State Realty Trust
ESRT
$836M
| $3.39M | ﹤0.01% |
626,100
+262,400
| +72% | +$1.43M |
|
1671
Kewaunee Scientific
KEQU
$105M
| $3.39M | ﹤0.01% |
95,311
-3,200
| -3% | -$119K |
|
|
STUB
1672
StubHub Holdings
STUB
$2.88B
| $3.38M | ﹤0.01% |
+262,900
| New | +$2.32M |
|
1673
Stock Yards Bancorp
SYBT
$2.64B
| $3.38M | ﹤0.01% |
44,150
+36,539
| +480% | +$2.62M |
|
1674
Northwest Bancshares
NWBI
$2.31B
| $3.37M | ﹤0.01% |
222,368
+123,148
| +124% | +$1.72M |
|
1675
Crexendo
CXDO
$217M
| $3.37M | ﹤0.01% |
450,981
+104,244
| +30% | +$815K |
|
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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.