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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 | |
|---|---|---|---|---|---|---|---|
926
F5
FFIV
$25.7B
| $12.6M | 0.02% |
+30,274
| New | +$10.8M |
2026 Q2
0 quarters
|
|
927
Pembina Pipeline
PBA
$29B
| $12.5M | 0.02% |
270,864
-174,900
| -39% | -$8.1M |
2024 Q4
6 quarters
|
|
928
MoonLake Immunotherapeutics
MLTX
$880M
| $12.5M | 0.02% |
643,268
+366,496
| +132% | +$6.64M |
2025 Q4
2 quarters
|
|
929
DELISTED
Olaplex Holdings
OLPX
| $12.5M | 0.02% |
6,104,200
+2,836,000
| +87% | +$5.78M |
2021 Q4
18 quarters
|
|
930
DELISTED
Talkspace
TALK
| $12.5M | 0.02% |
2,406,300
-284,500
| -11% | -$1.48M |
2021 Q3
19 quarters
|
|
931
Equity Lifestyle Properties
ELS
$12B
| $12.5M | 0.02% |
+194,000
| New | +$12.3M |
2026 Q2
0 quarters
|
|
932
Central Garden & Pet Co Class A
CENTA
$2.3B
| $12.5M | 0.02% |
321,756
-132,119
| -29% | -$4.61M |
2013 Q2
52 quarters
|
|
933
Customers Bancorp
CUBI
$2.56B
| $12.5M | 0.02% |
157,520
-22,200
| -12% | -$1.68M |
2024 Q1
9 quarters
|
|
934
KNOT Offshore Partners
KNOP
$341M
| $12.4M | 0.02% |
1,242,775
-92,660
| -7% | -$985K |
2016 Q2
40 quarters
|
|
935
Embotelladora Andina Series B
AKO.B
$4.75B
| $12.4M | 0.02% |
424,976
-11,605
| -3% | -$333K |
2013 Q2
52 quarters
|
|
936
AeroVironment
AVAV
$6.01B
| $12.4M | 0.02% |
74,996
+27,020
| +56% | +$4.84M |
2025 Q4
2 quarters
|
|
937
Highwoods Properties
HIW
$3.21B
| $12.4M | 0.02% |
+410,100
| New | +$10.6M |
2026 Q2
0 quarters
|
|
938
Columbia Banking Systems
COLB
$8.18B
| $12.3M | 0.02% |
384,544
+243,146
| +172% | +$7.22M |
2026 Q1
1 quarter
|
|
939
Polaris
PII
$3.05B
| $12.3M | 0.02% |
180,000
-45,800
| -20% | -$2.95M |
2025 Q4
2 quarters
|
|
940
Vita Coco
COCO
$3.59B
| $12.3M | 0.02% |
+186,000
| New | +$12.6M |
2026 Q2
0 quarters
|
|
941
Rayonier Advanced Materials
RYAM
$472M
| $12.3M | 0.02% |
1,559,314
-66,000
| -4% | -$599K |
2014 Q4
46 quarters
|
|
942
Robert Half
RHI
$3.49B
| $12.2M | 0.02% |
398,872
-537,300
| -57% | -$15M |
2025 Q2
4 quarters
|
|
943
Progyny
PGNY
$2.21B
| $12.2M | 0.02% |
424,667
-387,400
| -48% | -$8.66M |
2025 Q2
4 quarters
|
|
944
Vanguard Total International Bond ETF
BNDX
$83.5B
| $12.2M | 0.02% |
252,649
+195,327
| +341% | +$9.4M |
2026 Q1
1 quarter
|
|
945
Harmony Gold Mining
HMY
$10.5B
| $12.2M | 0.02% |
803,842
-914,478
| -53% | -$15.2M |
2024 Q4
6 quarters
|
|
946
Lakefront Biotherapeutics American Depositary Shares
LKFT
$2.01B
| $12.2M | 0.02% |
407,800
+92,400
| +29% | +$2.62M |
2019 Q4
26 quarters
|
|
947
Biglari Holdings Class B
BH
$1.41B
| $12.2M | 0.02% |
28,627
+6,885
| +32% | +$2.15M |
2023 Q1
13 quarters
|
|
948
ScottsMiracle-Gro
SMG
$3.24B
| $12.2M | 0.02% |
+179,000
| New | +$11.1M |
2026 Q2
0 quarters
|
|
949
Adeia
ADEA
$2.34B
| $12.2M | 0.02% |
369,743
-270,600
| -42% | -$7.99M |
2013 Q2
52 quarters
|
|
950
LiveRamp
RAMP
$2.32B
| $12.2M | 0.02% |
323,399
-200,300
| -38% | -$6.6M |
2021 Q1
21 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.