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 | |
|---|---|---|---|---|---|---|---|
3176
Applovin
APP
$90.1B
| – | – |
-436,540
| Closed | -$174M | – |
|
3177
Arcos Dorados Holdings
ARCO
$1.67B
| – | – |
-545,587
| Closed | -$4.5M | – |
|
3178
Paradium.AI, Inc.
PAAI
$40.8M
| – | – |
-28,700
| Closed | -$62.3K | – |
|
3179
Ares Management
ARES
$25.7B
| – | – |
-85,700
| Closed | -$9.35M | – |
|
3180
Apollo Commercial Real Estate
ARI
$812M
| – | – |
-327,540
| Closed | -$3.46M | – |
|
3181
ARK Blockchain & Fintech Innovation ETF
ARKF
$781M
| – | – |
-25,300
| Closed | -$962K | – |
|
3182
ARK Innovation ETF
ARKK
$6.2B
| – | – |
-86,400
| Closed | -$5.84M | – |
|
3183
ARK Next Generation Technology ETF
ARKW
$1.86B
| – | – |
-5,300
| Closed | -$639K | – |
|
3184
Arm
ARM
$244B
| – | – |
-16,900
| Closed | -$2.56M | – |
|
3185
Arqit Quantum
ARQQ
$244M
| – | – |
-41,400
| Closed | -$549K | – |
|
3186
Everforth Inc
EFOR
$1.54B
| – | – |
-66,294
| Closed | -$2.57M | – |
|
3187
DELISTED
Assertio
ASRT
| – | – |
-228,599
| Closed | -$4.36M | – |
|
3188
Astec Industries
ASTE
$888M
| – | – |
-41,006
| Closed | -$2.21M | – |
|
3189
Algoma Steel
ASTL
$436M
| – | – |
-117,276
| Closed | -$484K | – |
|
3190
Autohome
ATHM
$2.34B
| – | – |
-139,200
| Closed | -$2.42M | – |
|
3191
Atmus Filtration Technologies
ATMU
$3.62B
| – | – |
-18,700
| Closed | -$1.06M | – |
|
3192
Atomera
ATOM
$119M
| – | – |
-163,066
| Closed | -$621K | – |
|
3193
Avantis Emerging Markets Equity ETF
AVEM
$27.1B
| – | – |
-74,700
| Closed | -$6.02M | – |
|
3194
Avient
AVNT
$3.62B
| – | – |
-49,658
| Closed | -$1.8M | – |
|
3195
Anavex Life Sciences
AVXL
$116M
| – | – |
-276,800
| Closed | -$850K | – |
|
3196
American Water Works
AWK
$26.5B
| – | – |
-68,300
| Closed | -$9.29M | – |
|
3197
Acuity Brands
AYI
$9.24B
| – | – |
-1,940
| Closed | -$544K | – |
|
3198
Bank of America
BAC
$352B
| – | – |
-1,384,787
| Closed | -$67.5M | – |
|
3199
Braskem
BAK
$677M
| – | – |
-15,600
| Closed | -$57.1K | – |
|
3200
Brookfield Asset Management
BAM
$72.2B
| – | – |
-1,103,325
| Closed | -$49M | – |
|
Similar funds
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.