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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 | |
|---|---|---|---|---|---|---|---|
426
Coca-Cola Consolidated
COKE
$14B
| $38.4M | 0.05% |
200,970
-181,300
| -47% | -$33.8M |
2020 Q1
25 quarters
|
|
427
Protolabs
PRLB
$2.05B
| $38.2M | 0.05% |
469,251
-51,000
| -10% | -$3.59M |
2021 Q1
21 quarters
|
|
428
Arrowhead Research
ARWR
$7.9B
| $38.2M | 0.05% |
468,921
-567,574
| -55% | -$41.9M |
2026 Q1
1 quarter
|
|
429
Credit Acceptance
CACC
$5.62B
| $38.1M | 0.05% |
59,766
-3,702
| -6% | -$1.98M |
2024 Q1
9 quarters
|
|
430
Blue Owl Capital
OWL
$6.05B
| $37.8M | 0.05% |
4,323,300
-1,741,900
| -29% | -$16.5M |
2023 Q2
12 quarters
|
|
431
Willis Towers Watson
WTW
$29.3B
| $37.8M | 0.05% |
144,640
+41,240
| +40% | +$11M |
2026 Q1
1 quarter
|
|
432
Nu Holdings
NU
$70.3B
| $37.8M | 0.05% |
2,828,056
-13,441,744
| -83% | -$181M |
2022 Q3
15 quarters
|
|
433
iRadimed
IRMD
$1.13B
| $37.7M | 0.05% |
394,412
-46,300
| -11% | -$4.22M |
2017 Q3
35 quarters
|
|
434
Huazhu Hotels Group
HTHT
$14.7B
| $37.6M | 0.05% |
901,785
-490,400
| -35% | -$23.4M |
2022 Q2
16 quarters
|
|
435
Versant Media Group
VSNT
$4.42B
| $37.6M | 0.05% |
1,043,300
+740,400
| +244% | +$29.7M |
2026 Q1
1 quarter
|
|
436
Halozyme
HALO
$13.8B
| $37.5M | 0.05% |
479,611
-252,200
| -34% | -$17.2M |
2021 Q3
19 quarters
|
|
437
Cognex
CGNX
$9.08B
| $37.5M | 0.05% |
517,558
-350,500
| -40% | -$21.3M |
2024 Q4
6 quarters
|
|
438
The Marzetti Company
MZTI
$2.85B
| $37.4M | 0.05% |
327,580
-43,200
| -12% | -$5.19M |
2013 Q2
52 quarters
|
|
439
TG Therapeutics
TGTX
$8.26B
| $37.3M | 0.05% |
679,300
+338,400
| +99% | +$13.8M |
2026 Q1
1 quarter
|
|
440
Morningstar
MORN
$7.78B
| $37.3M | 0.05% |
238,770
-210,100
| -47% | -$36.5M |
2013 Q2
52 quarters
|
|
441
JetBlue
JBLU
$1.11B
| $37.1M | 0.05% |
6,474,281
+4,228,081
| +188% | +$21.5M |
2025 Q3
3 quarters
|
|
442
Waste Management
WM
$90.7B
| $37.1M | 0.05% |
166,400
+139,700
| +523% | +$31.1M |
2026 Q1
1 quarter
|
|
443
TIM SA
TIMB
$8.87B
| $37M | 0.05% |
1,729,274
-57,151
| -3% | -$1.36M |
2016 Q2
40 quarters
|
|
444
Teekay
TK
$1.23B
| $36.9M | 0.05% |
3,688,975
-385,699
| -9% | -$4.83M |
2018 Q1
33 quarters
|
|
445
Advanced Energy
AEIS
$9.5B
| $36.8M | 0.05% |
98,562
+96,240
| +4,145% | +$33.7M |
2026 Q1
1 quarter
|
|
446
Fidelity National Information Services
FIS
$18.6B
| $36.7M | 0.05% |
945,142
-823,400
| -47% | -$35.6M |
2026 Q1
1 quarter
|
|
447
TXNM Energy Inc
TXNM
$6.44B
| $36.7M | 0.05% |
+645,558
| New | +$37.9M |
2026 Q2
0 quarters
|
|
448
General Motors
GM
$73.7B
| $36.5M | 0.05% |
472,900
-440,440
| -48% | -$34.6M |
2021 Q3
19 quarters
|
|
449
Alliant Energy
LNT
$17.7B
| $36.4M | 0.05% |
477,500
-233,200
| -33% | -$17M |
2025 Q1
5 quarters
|
|
450
Pinnacle Financial Partners Inc
PNFP
$14.3B
| $36.3M | 0.05% |
359,800
+171,000
| +91% | +$16.4M |
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.