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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 | |
|---|---|---|---|---|---|---|---|
476
Garmin
GRMN
$55B
| $33.8M | 0.05% |
142,342
+86,500
| +155% | +$21M |
2026 Q1
1 quarter
|
|
477
StoneX
SNEX
$6.75B
| $33.7M | 0.05% |
426,249
+414,150
| +3,423% | +$31.1M |
2026 Q1
1 quarter
|
|
478
Ironwood Pharmaceuticals
IRWD
$582M
| $33.7M | 0.05% |
7,993,226
-67,847
| -0.8% | -$261K |
2019 Q3
27 quarters
|
|
479
Brookfield Renewable
BEPC
$5.29B
| $33.6M | 0.05% |
905,095
-239,600
| -21% | -$9.28M |
2020 Q3
23 quarters
|
|
480
East-West Bancorp
EWBC
$17.2B
| $33.6M | 0.05% |
260,233
-3,100
| -1% | -$381K |
2023 Q2
12 quarters
|
|
481
Manulife Financial
MFC
$72.9B
| $33.6M | 0.05% |
828,624
-296,800
| -26% | -$11.5M |
2024 Q4
6 quarters
|
|
482
Semtech
SMTC
$13.3B
| $33.5M | 0.05% |
+207,116
| New | +$27.1M |
2026 Q2
0 quarters
|
|
483
Grand Canyon Education
LOPE
$4.24B
| $33.5M | 0.05% |
234,002
+18,900
| +9% | +$3M |
2020 Q1
25 quarters
|
|
484
Iridium Communications
IRDM
$4.69B
| $33.4M | 0.05% |
609,799
+481,699
| +376% | +$20.6M |
2026 Q1
1 quarter
|
|
485
Sempra
SRE
$53.5B
| $33.4M | 0.05% |
+360,700
| New | +$33.5M |
2026 Q2
0 quarters
|
|
486
Aurora
AUR
$9.8B
| $33.4M | 0.05% |
+4,897,100
| New | +$30M |
2026 Q2
0 quarters
|
|
487
Smith & Wesson
SWBI
$661M
| $33.4M | 0.05% |
2,218,774
+68,700
| +3% | +$1.03M |
2018 Q3
31 quarters
|
|
488
Salesforce
CRM
$199B
| $33.3M | 0.05% |
+212,601
| New | +$37.4M |
2026 Q2
0 quarters
|
|
489
Ichor Holdings
ICHR
$1.64B
| $33.3M | 0.05% |
296,400
+280,600
| +1,776% | +$20.2M |
2025 Q3
3 quarters
|
|
490
Magnolia Oil & Gas
MGY
$6.86B
| $33.2M | 0.05% |
1,296,902
-404,900
| -24% | -$11.6M |
2022 Q1
17 quarters
|
|
491
Venture Global Inc
VG
$31.6B
| $33M | 0.05% |
2,964,040
+917,200
| +45% | +$11.6M |
2025 Q1
5 quarters
|
|
492
Victoria's Secret
VSXY
$7.21B
| $32.9M | 0.05% |
+394,000
| New | +$23.6M |
2026 Q2
0 quarters
|
|
493
Nokia
NOK
$51.2B
| $32.8M | 0.05% |
2,466,380
-10,828,400
| -81% | -$139M |
2025 Q4
2 quarters
|
|
494
Freshworks
FRSH
$3.69B
| $32.7M | 0.05% |
3,235,300
-1,340,700
| -29% | -$11.9M |
2021 Q4
18 quarters
|
|
495
Balchem Corp
BCPC
$5.44B
| $32.7M | 0.05% |
193,300
+16,300
| +9% | +$2.71M |
2017 Q2
36 quarters
|
|
496
Colliers International
CIGI
$4.57B
| $32.7M | 0.05% |
348,200
-136,861
| -28% | -$13.8M |
2013 Q2
52 quarters
|
|
497
Powell Industries
POWL
$6.01B
| $32.6M | 0.05% |
114,002
+9,920
| +10% | +$2.69M |
2015 Q3
43 quarters
|
|
498
Pediatrix Medical
MD
$2.24B
| $32.6M | 0.04% |
1,287,300
-245,000
| -16% | -$5.57M |
2023 Q1
13 quarters
|
|
499
W.W. Grainger
GWW
$62.3B
| $32.6M | 0.04% |
23,950
+4,710
| +24% | +$5.8M |
2021 Q3
19 quarters
|
|
500
Acadia Pharmaceuticals
ACAD
$3.39B
| $32.4M | 0.04% |
1,282,596
-441,600
| -26% | -$9.7M |
2023 Q4
10 quarters
|
|
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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.