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Jim Simons Renaissance Technologies
AUM
$72.6B
Turnover
31.08%
1-Year Est. Return
54.88%
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.
This Fund
S&P 500
This Quarter Est. Return
+24.48%
1 Year Est. Return
+54.88%
3 Year Est. Return
+169.34%
5 Year Est. Return
+186.18%
10 Year Est. Return
+887.93%
AUM
$72.6B
AUM Growth
+$8.69B
(+14%)
Cap. Flow
+$958M
Cap. Flow % of AUM
Cap. Flow %
1.32%
Top 10 Holdings %
Top 10 Hldgs %
12.01%
Holding
3,761
New
548
Increased
1,084
Reduced
1,502
Closed
621
Avg Time Held
3.5
years
Top 10 Avg Time Held
1.5
years
Top 20 Avg Time Held
1.3
years
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 | |
|---|---|---|---|---|---|---|---|
451
Ouster
OUST
$2.08B
| $36M | 0.05% |
575,900
+443,300
| +334% | +$14.9M |
2026 Q1
1 quarter
|
|
452
Equitable Holdings
EQH
$14.5B
| $36M | 0.05% |
+819,900
| New | +$34.3M |
2026 Q2
0 quarters
|
|
453
Tenable Holdings
TENB
$4.27B
| $35.8M | 0.05% |
970,800
-289,300
| -23% | -$6.8M |
2025 Q2
4 quarters
|
|
454
POET Technologies
POET
$954M
| $35.7M | 0.05% |
+3,469,500
| New | +$37.8M |
2026 Q2
0 quarters
|
|
455
Crane Co
CR
$11.9B
| $35.6M | 0.05% |
159,600
-1,700
| -1% | -$320K |
2023 Q2
12 quarters
|
|
456
Banco de Chile
BCH
$19.6B
| $35.5M | 0.05% |
893,832
-314,100
| -26% | -$12M |
2013 Q2
52 quarters
|
|
457
NiSource
NI
$20.2B
| $35.5M | 0.05% |
747,300
+738,300
| +8,203% | +$34.9M |
2026 Q1
1 quarter
|
|
458
AMN Healthcare
AMN
$1.61B
| $35.5M | 0.05% |
1,096,521
-279,820
| -20% | -$7.22M |
2024 Q3
7 quarters
|
|
459
Estee Lauder
EL
$38.4B
| $35.5M | 0.05% |
449,300
+418,200
| +1,345% | +$33.8M |
2025 Q2
4 quarters
|
|
460
CareDx
CDNA
$3.44B
| $35.4M | 0.05% |
1,242,959
+58,561
| +5% | +$1.27M |
2021 Q3
19 quarters
|
|
461
State Street SPDR S&P Regional Banking ETF
KRE
$3.39B
| $35.1M | 0.05% |
469,373
+327,473
| +231% | +$22.9M |
2025 Q2
4 quarters
|
|
462
InMode
INMD
$811M
| $35M | 0.05% |
2,391,318
-194,900
| -8% | -$2.72M |
2020 Q1
25 quarters
|
|
463
Sanmina
SANM
$9.44B
| $34.9M | 0.05% |
+138,033
| New | +$30.2M |
2026 Q2
0 quarters
|
|
464
VanEck Junior Gold Miners ETF
GDXJ
$8.1B
| $34.9M | 0.05% |
+355,276
| New | +$41.2M |
2026 Q2
0 quarters
|
|
465
Sibanye-Stillwater
SBSW
$6.93B
| $34.8M | 0.05% |
4,097,087
+2,270,183
| +124% | +$26.5M |
2026 Q1
1 quarter
|
|
466
Jacobs Solutions
J
$16.2B
| $34.8M | 0.05% |
275,900
-114,100
| -29% | -$14M |
2024 Q1
9 quarters
|
|
467
Vanguard Morningstar Total Stock Market ETF
VTI
$693B
| $34.7M | 0.05% |
+93,880
| New | +$33.6M |
2026 Q2
0 quarters
|
|
468
DELISTED
Nuvalent
NUVL
| $34.7M | 0.05% |
280,900
+191,900
| +216% | +$20.6M |
2026 Q1
1 quarter
|
|
469
MYR Group
MYRG
$4.41B
| $34.6M | 0.05% |
69,240
+2,940
| +4% | +$1.21M |
2025 Q2
4 quarters
|
|
470
Mobileye
MBLY
$6.13B
| $34.5M | 0.05% |
3,560,446
+132,500
| +4% | +$1.18M |
2024 Q3
7 quarters
|
|
471
Hut 8
HUT
$8.43B
| $34.4M | 0.05% |
297,615
-184,218
| -38% | -$17.9M |
2026 Q1
1 quarter
|
|
472
TransDigm Group
TDG
$63.3B
| $34.1M | 0.05% |
25,620
+5,840
| +30% | +$7.17M |
2026 Q1
1 quarter
|
|
473
Northern Trust
NTRS
$30.2B
| $34.1M | 0.05% |
196,298
+179,800
| +1,090% | +$29.6M |
2026 Q1
1 quarter
|
|
474
Valero Energy
VLO
$125B
| $34.1M | 0.05% |
+130,988
| New | +$32.3M |
2026 Q2
0 quarters
|
|
475
Satellogic
SATL
$607M
| $33.9M | 0.05% |
5,928,908
+4,740,800
| +399% | +$34.7M |
2026 Q1
1 quarter
|
|
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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.