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 |
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 | |
|---|---|---|---|---|---|---|---|
3151
iShares MSCI Global Min Vol Factor ETF
ACWV
$3.39B
| – | – |
-8,661
| Closed | -$1.04M | – |
|
3152
iShares MSCI ACWI ex US ETF
ACWX
$17.5B
| – | – |
-25,200
| Closed | -$1.73M | – |
|
3153
ADC Therapeutics
ADCT
$184M
| – | – |
-299,278
| Closed | -$1.12M | – |
|
3154
Analog Devices
ADI
$191B
| – | – |
-74,395
| Closed | -$23.7M | – |
|
3155
Adient
ADNT
$1.36B
| – | – |
-294,900
| Closed | -$5.96M | – |
|
3156
American Eagle Outfitters
AEO
$3B
| – | – |
-971,463
| Closed | -$16.2M | – |
|
|
AERT
3157
Aeries Technology
AERT
$31.8M
| – | – |
-3,250
| Closed | -$8.14K | – |
|
3158
AGNC Investment
AGNC
$10B
| – | – |
-1,844,929
| Closed | -$18.5M | – |
|
3159
Airship AI Holdings
AISP
$69.6M
| – | – |
-23,668
| Closed | -$53.5K | – |
|
3160
Arthur J. Gallagher & Co
AJG
$64.9B
| – | – |
-76,600
| Closed | -$16.6M | – |
|
3161
Allegro MicroSystems
ALGM
$6.18B
| – | – |
-123,900
| Closed | -$3.91M | – |
|
3162
Allstate
ALL
$62.4B
| – | – |
-317,700
| Closed | -$65.9M | – |
|
3163
Alvotech
ALVO
$1.79B
| – | – |
-63,200
| Closed | -$217K | – |
|
3164
Alerian MLP ETF
AMLP
$12.6B
| – | – |
-47,415
| Closed | -$2.5M | – |
|
3165
AmpliTech
AMPG
$71.1M
| – | – |
-372,600
| Closed | -$708K | – |
|
3166
Amplitude
AMPL
$1.9B
| – | – |
-47,031
| Closed | -$321K | – |
|
3167
Gold.com Inc
GOLD
$1.11B
| – | – |
-120,668
| Closed | -$4.84M | – |
|
3168
Aemetis
AMTX
$98.9M
| – | – |
-85,200
| Closed | -$272K | – |
|
3169
Direxion Daily AMZN Bull 2X ETF
AMZU
$374M
| – | – |
-28,000
| Closed | -$752K | – |
|
3170
Arista Networks
ANET
$231B
| – | – |
-66,740
| Closed | -$8.19M | – |
|
3171
Angi Inc
ANGI
$254M
| – | – |
-97,126
| Closed | -$665K | – |
|
3172
Aon
AON
$61.5B
| – | – |
-11,601
| Closed | -$3.74M | – |
|
3173
APi Group
APG
$17.3B
| – | – |
-219,250
| Closed | -$8.88M | – |
|
3174
DELISTED
Apellis Pharmaceuticals
APLS
| – | – |
-935,958
| Closed | -$37.7M | – |
|
3175
DELISTED
Aptorum Group
APM
| – | – |
-11,838
| Closed | -$9.42K | – |
|
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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.