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 | |
|---|---|---|---|---|---|---|---|
3526
Oatly Group
OTLY
$359M
| – | – |
-51,513
| Closed | -$522K | – |
|
3527
Outlook Therapeutics
OTLK
$119M
| – | – |
-255,157
| Closed | -$52.5K | – |
|
3528
Patria Investments
PAX
$1.92B
| – | – |
-235,768
| Closed | -$2.97M | – |
|
3529
Prestige Consumer Healthcare
PBH
$2.36B
| – | – |
-36,702
| Closed | -$2.18M | – |
|
3530
PACCAR
PCAR
$58.3B
| – | – |
-123,116
| Closed | -$14.2M | – |
|
3531
Pinduoduo
PDD
$115B
| – | – |
-1,112,700
| Closed | -$114M | – |
|
3532
Peoples Bancorp
PEBO
$1.32B
| – | – |
-15,311
| Closed | -$503K | – |
|
3533
Provident Financial Services
PFS
$2.9B
| – | – |
-46,845
| Closed | -$991K | – |
|
3534
Pagaya Technologies
PGY
$1.44B
| – | – |
-983,585
| Closed | -$11.5M | – |
|
3535
Pultegroup
PHM
$21.6B
| – | – |
-194,067
| Closed | -$22.8M | – |
|
3536
Packaging Corp of America
PKG
$21B
| – | – |
-5,900
| Closed | -$1.25M | – |
|
3537
Photronics
PLAB
$1.62B
| – | – |
-18,302
| Closed | -$740K | – |
|
3538
DELISTED
ProAssurance
PRA
| – | – |
-964,900
| Closed | -$23.9M | – |
|
3539
Procept Biorobotics
PRCT
$1.01B
| – | – |
-116,166
| Closed | -$2.91M | – |
|
3540
Prenetics Global
PRE
$361M
| – | – |
-31,322
| Closed | -$605K | – |
|
3541
Priority Technology Holdings
PRTH
$645M
| – | – |
-22,600
| Closed | -$107K | – |
|
3542
Personalis
PSNL
$1.67B
| – | – |
-15,200
| Closed | -$96.8K | – |
|
3543
Pearson
PSO
$11B
| – | – |
-25,400
| Closed | -$334K | – |
|
3544
Power REIT
PW
$2.57M
| – | – |
-2,062
| Closed | -$17.5K | – |
|
3545
Qualcomm
QCOM
$184B
| – | – |
-530,324
| Closed | -$68.3M | – |
|
3546
Here Group Ltd
HERE
$88.1M
| – | – |
-12,000
| Closed | -$42.5K | – |
|
3547
Quanterix
QTRX
$136M
| – | – |
-136,207
| Closed | -$479K | – |
|
3548
Quantum Computing Inc
QUBT
$1.44B
| – | – |
-667,674
| Closed | -$4.57M | – |
|
3549
Arcus Biosciences
RCUS
$2.82B
| – | – |
-424,700
| Closed | -$9.17M | – |
|
3550
Radian Group
RDN
$4.5B
| – | – |
-133,700
| Closed | -$4.42M | – |
|
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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.