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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 | |
|---|---|---|---|---|---|---|---|
826
InterContinental Hotels
IHG
$24.7B
| $15.6M | 0.02% |
89,900
+29,300
| +48% | +$4.48M |
2021 Q1
21 quarters
|
|
827
Globus Medical
GMED
$10.2B
| $15.6M | 0.02% |
+196,918
| New | +$16.7M |
2026 Q2
0 quarters
|
|
828
National Presto Industries
NPK
$1.07B
| $15.5M | 0.02% |
123,800
-24,500
| -17% | -$3.32M |
2014 Q4
46 quarters
|
|
829
Fidelity Total Bond ETF
FBND
$28.2B
| $15.5M | 0.02% |
339,700
+110,600
| +48% | +$5.05M |
2025 Q1
5 quarters
|
|
830
Marriott International
MAR
$102B
| $15.5M | 0.02% |
41,696
-66,520
| -61% | -$24.5M |
2025 Q4
2 quarters
|
|
831
StealthGas
GASS
$316M
| $15.4M | 0.02% |
1,955,231
-77,400
| -4% | -$729K |
2013 Q2
52 quarters
|
|
832
Marathon Digital Holdings
MARA
$2.85B
| $15.4M | 0.02% |
+1,111,938
| New | +$13.9M |
2026 Q2
0 quarters
|
|
833
Napco Security Technologies
NSSC
$1.28B
| $15.4M | 0.02% |
406,200
-30,600
| -7% | -$1.22M |
2024 Q1
9 quarters
|
|
834
ESAB
ESAB
$4.01B
| $15.4M | 0.02% |
155,900
+24,813
| +19% | +$2.4M |
2025 Q2
4 quarters
|
|
835
Daktronics
DAKT
$895M
| $15.4M | 0.02% |
785,161
-37,693
| -5% | -$747K |
2013 Q2
52 quarters
|
|
836
Portland General Electric
POR
$5.11B
| $15.3M | 0.02% |
295,100
+254,700
| +630% | +$12.9M |
2026 Q1
1 quarter
|
|
837
Beam Therapeutics
BEAM
$2.5B
| $15.3M | 0.02% |
445,000
-68,578
| -13% | -$2.07M |
2025 Q4
2 quarters
|
|
838
Columbia Financial
CLBK
$2.85B
| $15.3M | 0.02% |
1,581,716
+94,371
| +6% | +$833K |
2019 Q2
28 quarters
|
|
839
Lamar Advertising Co
LAMR
$15.3B
| $15.2M | 0.02% |
97,712
-500
| -0.5% | -$72.3K |
2026 Q1
1 quarter
|
|
840
Phibro Animal Health
PAHC
$1.6B
| $15.1M | 0.02% |
480,500
-96,235
| -17% | -$4.06M |
2016 Q4
38 quarters
|
|
841
Innospec
IOSP
$2.41B
| $15.1M | 0.02% |
185,000
+66,100
| +56% | +$5.23M |
2024 Q2
8 quarters
|
|
842
Hanover Insurance
THG
$8.03B
| $15.1M | 0.02% |
+70,300
| New | +$13.3M |
2026 Q2
0 quarters
|
|
843
State Street Technology Select Sector SPDR ETF
XLK
$123B
| $15.1M | 0.02% |
79,000
+72,880
| +1,191% | +$12.5M |
2025 Q1
5 quarters
|
|
844
Preformed Line Products
PLPC
$1.76B
| $15M | 0.02% |
36,460
+6,802
| +23% | +$2.38M |
2015 Q2
44 quarters
|
|
845
Ooma
OOMA
$543M
| $14.9M | 0.02% |
776,003
-136,200
| -15% | -$2.34M |
2016 Q1
41 quarters
|
|
846
State Street SPDR Portfolio S&P 500 ETF
SPYM
$183B
| $14.9M | 0.02% |
169,691
+24,891
| +17% | +$2.12M |
2025 Q4
2 quarters
|
|
847
Puma Biotechnology
PBYI
$527M
| $14.9M | 0.02% |
1,836,213
-106,200
| -5% | -$778K |
2019 Q4
26 quarters
|
|
848
Visteon
VC
$2.32B
| $14.9M | 0.02% |
150,100
-167,500
| -53% | -$18.3M |
2023 Q4
10 quarters
|
|
849
Avino Silver & Gold Mines
ASM
$885M
| $14.9M | 0.02% |
2,345,900
+2,031,000
| +645% | +$13.7M |
2026 Q1
1 quarter
|
|
850
Boyd Gaming
BYD
$5.16B
| $14.9M | 0.02% |
168,300
+121,100
| +257% | +$10.3M |
2024 Q3
7 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.