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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 | |
|---|---|---|---|---|---|---|---|
276
Abercrombie & Fitch
ANF
$6.5B
| $59.8M | 0.08% |
664,300
-161,210
| -20% | -$13.7M |
2022 Q2
16 quarters
|
|
277
Vishay Precision Group
VPG
$805M
| $59.3M | 0.08% |
395,673
-41,500
| -9% | -$3.85M |
2013 Q2
52 quarters
|
|
278
Doximity
DOCS
$5.52B
| $59.2M | 0.08% |
2,853,649
-206,100
| -7% | -$4.56M |
2021 Q4
18 quarters
|
|
279
PTC Therapeutics
PTCT
$4.94B
| $59M | 0.08% |
723,500
+190,200
| +36% | +$13.7M |
2023 Q3
11 quarters
|
|
280
Diamondback Energy
FANG
$57.1B
| $58.3M | 0.08% |
+331,500
| New | +$64.3M |
2026 Q2
0 quarters
|
|
281
Suncor Energy
SU
$91.3B
| $58.3M | 0.08% |
+1,085,306
| New | +$68.7M |
2026 Q2
0 quarters
|
|
282
Brown & Brown
BRO
$23.2B
| $58M | 0.08% |
904,200
-669,702
| -43% | -$40.9M |
2024 Q2
8 quarters
|
|
283
Amrize Ltd
AMRZ
$20.7B
| $57.8M | 0.08% |
1,085,000
-871,600
| -45% | -$47.2M |
2025 Q3
3 quarters
|
|
284
Idexx Laboratories
IDXX
$44.1B
| $57.8M | 0.08% |
109,784
+61,280
| +126% | +$34.4M |
2026 Q1
1 quarter
|
|
285
Sociedad Química y Minera de Chile
SQM
$17.2B
| $57.7M | 0.08% |
779,484
+277,000
| +55% | +$23.2M |
2025 Q4
2 quarters
|
|
286
Pinterest
PINS
$12.4B
| $57.4M | 0.08% |
2,728,531
-3,260,100
| -54% | -$65.5M |
2024 Q4
6 quarters
|
|
287
Cenovus Energy
CVE
$60.7B
| $57.1M | 0.08% |
2,301,494
+874,200
| +61% | +$24.1M |
2019 Q1
29 quarters
|
|
288
Weyerhaeuser
WY
$14.1B
| $57.1M | 0.08% |
2,384,781
+1,073,800
| +82% | +$26.1M |
2025 Q4
2 quarters
|
|
289
A10 Networks
ATEN
$1.78B
| $56.8M | 0.08% |
1,520,287
-264,700
| -15% | -$7.69M |
2014 Q4
46 quarters
|
|
290
Commerce Bancshares
CBSH
$7.99B
| $56.5M | 0.08% |
978,626
-56,100
| -5% | -$2.94M |
2022 Q3
15 quarters
|
|
291
Liquidity Services
LQDT
$1.37B
| $56.3M | 0.08% |
1,439,987
-61,680
| -4% | -$2.18M |
2014 Q3
47 quarters
|
|
292
FNB Corp
FNB
$6.13B
| $56.3M | 0.08% |
2,951,727
-688,034
| -19% | -$12.2M |
2024 Q3
7 quarters
|
|
293
Aramark
ARMK
$14.6B
| $56.3M | 0.08% |
989,200
+306,100
| +45% | +$15.1M |
2024 Q4
6 quarters
|
|
294
Consolidated Edison
ED
$41.5B
| $56.2M | 0.08% |
507,600
+366,500
| +260% | +$39.8M |
2016 Q3
39 quarters
|
|
295
MaxLinear
MXL
$6.47B
| $55.9M | 0.08% |
436,513
-9,400
| -2% | -$665K |
2025 Q4
2 quarters
|
|
296
Everest Group
EG
$14.9B
| $55.7M | 0.08% |
155,840
-6,260
| -4% | -$2.14M |
2024 Q3
7 quarters
|
|
297
Masco
MAS
$14.4B
| $55.6M | 0.08% |
683,900
-450,214
| -40% | -$31.4M |
2023 Q3
11 quarters
|
|
298
Entergy
ETR
$50.2B
| $55.6M | 0.08% |
484,100
-77,600
| -14% | -$8.75M |
2024 Q4
6 quarters
|
|
299
James Hardie Industries
JHX
$15B
| $55.5M | 0.08% |
2,120,758
-1,718,731
| -45% | -$37.8M |
2025 Q4
2 quarters
|
|
300
Occidental Petroleum
OXY
$62.4B
| $55.5M | 0.08% |
+1,142,754
| New | +$64.9M |
2026 Q2
0 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.