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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
+887.92%
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 | |
|---|---|---|---|---|---|---|---|
1901
Walker & Dunlop
WD
$1.19B
| $2.24M | ﹤0.01% |
40,874
-626
| -2% | -$31.7K |
2025 Q1
5 quarters
|
|
1902
Schwab US Broad Market ETF
SCHB
$44.5B
| $2.24M | ﹤0.01% |
+77,200
| New | +$2.16M |
2026 Q2
0 quarters
|
|
1903
Korea Electric Power
KEP
$13.8B
| $2.23M | ﹤0.01% |
+184,600
| New | +$2.55M |
2026 Q2
0 quarters
|
|
1904
Slide Insurance Holdings
SLDE
$3.24B
| $2.23M | ﹤0.01% |
115,210
+47,500
| +70% | +$860K |
2025 Q3
3 quarters
|
|
1905
TechTarget
TTGT
$273M
| $2.23M | ﹤0.01% |
619,345
-22,055
| -3% | -$101K |
2013 Q2
52 quarters
|
|
1906
Ameris Bancorp
ABCB
$5.53B
| $2.21M | ﹤0.01% |
24,469
-19,600
| -44% | -$1.67M |
2025 Q1
5 quarters
|
|
1907
Materialise
MTLS
$491M
| $2.2M | ﹤0.01% |
296,200
-8,500
| -3% | -$50.3K |
2021 Q4
18 quarters
|
|
1908
Flexible Solutions
FSI
$81.6M
| $2.2M | ﹤0.01% |
329,751
-11,194
| -3% | -$70K |
2015 Q2
44 quarters
|
|
1909
First Trust Morningstar Dividend Leaders Index Fund
FDL
$8.26B
| $2.2M | ﹤0.01% |
45,112
-18,188
| -29% | -$908K |
2025 Q1
5 quarters
|
|
1910
Aurora Cannabis
ACB
$251M
| $2.19M | ﹤0.01% |
784,955
+26,774
| +4% | +$89.5K |
2021 Q4
18 quarters
|
|
1911
Surgery Partners
SGRY
$2.08B
| $2.19M | ﹤0.01% |
+130,100
| New | +$1.83M |
2026 Q2
0 quarters
|
|
1912
Vestis
VSTS
$1.92B
| $2.18M | ﹤0.01% |
150,000
-359,100
| -71% | -$4.01M |
2023 Q4
10 quarters
|
|
1913
LG Display
LPL
$2.61B
| $2.18M | ﹤0.01% |
559,181
+382,781
| +217% | +$1.76M |
2025 Q2
4 quarters
|
|
1914
PetMed Express
PETS
$25.6M
| $2.17M | ﹤0.01% |
1,131,230
-55,139
| -5% | -$117K |
2013 Q2
52 quarters
|
|
1915
Vuzix
VUZI
$174M
| $2.15M | ﹤0.01% |
+742,199
| New | +$2.34M |
2026 Q2
0 quarters
|
|
1916
Vanguard Extended Market ETF
VXF
$30B
| $2.15M | ﹤0.01% |
8,742
+2,042
| +30% | +$468K |
2025 Q3
3 quarters
|
|
1917
Neumora Therapeutics
NMRA
$76.2M
| $2.15M | ﹤0.01% |
1,262,304
-126,694
| -9% | -$241K |
2025 Q1
5 quarters
|
|
1918
Biomea Fusion
BMEA
$42.4M
| $2.14M | ﹤0.01% |
1,455,474
+142,676
| +11% | +$213K |
2025 Q3
3 quarters
|
|
1919
Consensus Cloud Solutions
CCSI
$678M
| $2.14M | ﹤0.01% |
55,964
-24,487
| -30% | -$733K |
2021 Q4
18 quarters
|
|
|
OGG
1920
Osisko Gold Group
OGG
$755M
| $2.13M | ﹤0.01% |
867,474
+407,574
| +89% | +$1.21M |
2025 Q1
5 quarters
|
|
1921
CSP Inc
CSPI
$74.3M
| $2.13M | ﹤0.01% |
267,714
-9,712
| -4% | -$88.7K |
2013 Q2
52 quarters
|
|
1922
Orion Energy Systems
OESX
$82.2M
| $2.12M | ﹤0.01% |
181,669
+3,200
| +2% | +$30.6K |
2013 Q2
52 quarters
|
|
1923
State Street SPDR S&P Aerospace & Defense ETF
XAR
$5.2B
| $2.12M | ﹤0.01% |
7,480
+5,880
| +368% | +$1.59M |
2025 Q3
3 quarters
|
|
1924
Bentley Systems
BSY
$11.9B
| $2.12M | ﹤0.01% |
70,800
-416,300
| -85% | -$13.5M |
2024 Q3
7 quarters
|
|
1925
Norwood Financial Corp
NWFL
$377M
| $2.11M | ﹤0.01% |
65,557
+31
| +0% | +$947 |
2017 Q2
36 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.