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 | |
|---|---|---|---|---|---|---|
|
CTO
1801
CTO Realty Growth
CTO
$823M
| $2.71M | ﹤0.01% |
126,001
-86,299
| -41% | -$1.75M |
|
1802
Lexicon Pharmaceuticals
LXRX
$1.04B
| $2.7M | ﹤0.01% |
1,127,000
-473,500
| -30% | -$922K |
|
|
SOBO
1803
South Bow Corp
SOBO
$7.64B
| $2.7M | ﹤0.01% |
76,680
+41,800
| +120% | +$1.47M |
|
1804
iShares Core S&P US Value ETF
IUSV
$28B
| $2.7M | ﹤0.01% |
24,500
-4,100
| -14% | -$444K |
|
1805
Varex Imaging
VREX
$780M
| $2.7M | ﹤0.01% |
258,480
-10,620
| -4% | -$115K |
|
1806
Comstock Holding Companies
CHCI
$173M
| $2.69M | ﹤0.01% |
168,279
-12,200
| -7% | -$202K |
|
1807
LCNB Corp
LCNB
$285M
| $2.69M | ﹤0.01% |
152,816
-3,467
| -2% | -$57.8K |
|
1808
Sagimet Biosciences
SGMT
$577M
| $2.68M | ﹤0.01% |
346,927
-278,542
| -45% | -$1.89M |
|
1809
Wabash National
WNC
$509M
| $2.68M | ﹤0.01% |
198,265
-26,100
| -12% | -$232K |
|
|
DDL
1810
Dingdong
DDL
$512M
| $2.67M | ﹤0.01% |
1,385,500
-17,900
| -1% | -$44.4K |
|
1811
Liberty Broadband Class C
LBRDK
$5.29B
| $2.67M | ﹤0.01% |
+80,275
| New | +$3.13M |
|
|
PTRN
1812
Pattern Group Inc
PTRN
$4.05B
| $2.67M | ﹤0.01% |
105,851
+88,300
| +503% | +$1.5M |
|
1813
Vanguard Russell 1000 ETF
VONE
$8.74B
| $2.66M | ﹤0.01% |
+7,840
| New | +$2.57M |
|
1814
Evolv Technologies
EVLV
$1.04B
| $2.65M | ﹤0.01% |
+457,500
| New | +$2.87M |
|
1815
Ecovyst
ECVT
$1.1B
| $2.65M | ﹤0.01% |
213,100
-93,600
| -31% | -$1.27M |
|
|
1816
Linde
LIN
$220B
| $2.65M | ﹤0.01% |
5,100
-624,720
| -99% | -$316M |
|
1817
GCM Grosvenor
GCMG
$2.85B
| $2.63M | ﹤0.01% |
213,900
-29,800
| -12% | -$326K |
|
1818
Skyward Specialty Insurance
SKWD
$2.39B
| $2.63M | ﹤0.01% |
45,000
-24,300
| -35% | -$1.15M |
|
1819
Theravance Biopharma
TBPH
$878M
| $2.62M | ﹤0.01% |
154,318
+26,402
| +21% | +$437K |
|
1820
Annexon
ANNX
$862M
| $2.62M | ﹤0.01% |
459,000
-85,300
| -16% | -$472K |
|
|
UMH
1821
UMH Properties
UMH
$1.42B
| $2.62M | ﹤0.01% |
+172,867
| New | +$2.65M |
|
1822
Airgain
AIRG
$67.7M
| $2.6M | ﹤0.01% |
412,036
+75,700
| +23% | +$503K |
|
|
SRTA
1823
Strata Critical Medical Inc
SRTA
$528M
| $2.59M | ﹤0.01% |
492,386
+17,500
| +4% | +$92.1K |
|
1824
UroGen Pharma
URGN
$2.34B
| $2.59M | ﹤0.01% |
+70,300
| New | +$1.91M |
|
1825
Yeti Holdings
YETI
$3.44B
| $2.58M | ﹤0.01% |
52,100
-33,400
| -39% | -$1.45M |
|
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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.