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 | |
|---|---|---|---|---|---|---|
1776
Sutro Biopharma
STRO
$353M
| $2.87M | ﹤0.01% |
86,324
-11,500
| -12% | -$359K |
|
1777
Karooooo
KARO
$1.97B
| $2.86M | ﹤0.01% |
57,987
+30,000
| +107% | +$1.46M |
|
1778
N-able
NABL
$695M
| $2.86M | ﹤0.01% |
778,565
-101,935
| -12% | -$424K |
|
1779
Fastenal
FAST
$58.9B
| $2.84M | ﹤0.01% |
+59,176
| New | +$2.69M |
|
1780
Seneca Foods Class A
SENEA
$1.31B
| $2.83M | ﹤0.01% |
16,297
-12,000
| -42% | -$1.78M |
|
1781
Compañía de Cervecerías Unidas
CCU
$2.16B
| $2.83M | ﹤0.01% |
252,665
-60,587
| -19% | -$703K |
|
1782
KVH Industries
KVHI
$143M
| $2.82M | ﹤0.01% |
284,115
-61,400
| -18% | -$587K |
|
1783
CDW
CDW
$17.8B
| $2.81M | ﹤0.01% |
19,998
-503,000
| -96% | -$63.2M |
|
|
GLDG
1784
GoldMining Inc
GLDG
$226M
| $2.81M | ﹤0.01% |
3,099,626
-795,235
| -20% | -$890K |
|
1785
iShares Expanded Tech-Software Sector ETF
IGV
$15.2B
| $2.8M | ﹤0.01% |
30,900
-125,900
| -80% | -$11.2M |
|
1786
Dimensional International Core Equity 2 ETF
DFIC
$15.3B
| $2.78M | ﹤0.01% |
74,600
+66,000
| +767% | +$2.48M |
|
1787
NB Bancorp
NBBK
$1B
| $2.78M | ﹤0.01% |
131,440
-132,466
| -50% | -$2.73M |
|
1788
Hurco Companies Inc
HURC
$143M
| $2.77M | ﹤0.01% |
120,900
| – | – |
|
1789
Cars.com
CARS
$672M
| $2.77M | ﹤0.01% |
252,998
-327,191
| -56% | -$3.32M |
|
1790
Orrstown Financial Services
ORRF
$855M
| $2.76M | ﹤0.01% |
67,564
-31,400
| -32% | -$1.18M |
|
1791
Air T
AIRT
$78.1M
| $2.74M | ﹤0.01% |
103,411
-3,000
| -3% | -$66.8K |
|
1792
Outfront Media
OUT
$5.24B
| $2.74M | ﹤0.01% |
83,546
-202,121
| -71% | -$6.27M |
|
1793
PepGen
PEPG
$206M
| $2.74M | ﹤0.01% |
1,520,246
+1,463,446
| +2,576% | +$2.38M |
|
1794
ECARX Holdings
ECX
$421M
| $2.73M | ﹤0.01% |
2,119,119
+103,519
| +5% | +$118K |
|
|
MTA
1795
Metalla Royalty & Streaming
MTA
$848M
| $2.73M | ﹤0.01% |
358,919
-93,029
| -21% | -$658K |
|
|
SLI
1796
Standard Lithium
SLI
$574M
| $2.73M | ﹤0.01% |
992,800
+836,786
| +536% | +$3.04M |
|
1797
First Trust RBA American Industrial Renaissance ETF
AIRR
$10.7B
| $2.72M | ﹤0.01% |
20,400
+8,200
| +67% | +$1.04M |
|
|
CVSA
1798
Covista Inc
CVSA
$4.49B
| $2.72M | ﹤0.01% |
21,800
-28,300
| -56% | -$3.41M |
|
1799
Twin Disc
TWIN
$349M
| $2.72M | ﹤0.01% |
117,093
+9,700
| +9% | +$178K |
|
1800
Rocket Pharmaceuticals
RCKT
$367M
| $2.71M | ﹤0.01% |
792,974
+155,800
| +24% | +$518K |
|
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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.