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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 | |
|---|---|---|---|---|---|---|---|
1876
Adicet Bio
ACET
$40.1M
| $2.3M | ﹤0.01% |
265,945
+33,354
| +14% | +$263K |
2022 Q4
14 quarters
|
|
1877
Q32 Bio
QTTB
$262M
| $2.29M | ﹤0.01% |
179,600
-27,315
| -13% | -$228K |
2025 Q2
4 quarters
|
|
1878
Unity Bancorp
UNTY
$585M
| $2.28M | ﹤0.01% |
38,900
+23,200
| +148% | +$1.27M |
2017 Q2
36 quarters
|
|
1879
Invesco Mortgage Capital
IVR
$602M
| $2.28M | ﹤0.01% |
288,700
-388,400
| -57% | -$3.13M |
2021 Q4
18 quarters
|
|
1880
PRA Group
PRAA
$751M
| $2.28M | ﹤0.01% |
120,000
+36,668
| +44% | +$651K |
2018 Q4
30 quarters
|
|
1881
National Bankshares
NKSH
$290M
| $2.28M | ﹤0.01% |
62,670
+33,690
| +116% | +$1.22M |
2013 Q2
52 quarters
|
|
1882
American Outdoor Brands
AOUT
$220M
| $2.28M | ﹤0.01% |
193,868
-10,300
| -5% | -$100K |
2020 Q3
23 quarters
|
|
1883
Nexxen International
NEXN
$515M
| $2.28M | ﹤0.01% |
252,000
+400
| +0.2% | +$3.16K |
2021 Q4
18 quarters
|
|
1884
EVgo
EVGO
$146M
| $2.27M | ﹤0.01% |
1,189,533
-3,400
| -0.3% | -$6.85K |
2025 Q2
4 quarters
|
|
1885
Goldman Sachs ActiveBeta US Large Cap Equity ETF
GSLC
$15.2B
| $2.27M | ﹤0.01% |
+16,000
| New | +$2.21M |
2026 Q2
0 quarters
|
|
1886
QuickLogic
QUIK
$162M
| $2.27M | ﹤0.01% |
+113,500
| New | +$1.98M |
2026 Q2
0 quarters
|
|
1887
Mizuho Financial
MFG
$117B
| $2.26M | ﹤0.01% |
236,400
-1,984,183
| -89% | -$17.8M |
2013 Q2
52 quarters
|
|
1888
Acadian Asset Management
AAMI
$3.29B
| $2.26M | ﹤0.01% |
31,651
-28,893
| -48% | -$2.01M |
2022 Q2
16 quarters
|
|
1889
ProShares S&P 500 Dividend Aristocrats ETF
NOBL
$11.9B
| $2.26M | ﹤0.01% |
+40,300
| New | +$2.18M |
2026 Q2
0 quarters
|
|
1890
Vanguard FTSE Emerging Markets ETF
VWO
$120B
| $2.26M | ﹤0.01% |
37,900
+18,230
| +93% | +$1.07M |
2025 Q2
4 quarters
|
|
1891
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.2B
| $2.26M | ﹤0.01% |
20,972
+8,772
| +72% | +$909K |
2026 Q1
1 quarter
|
|
1892
John Marshall Bancorp
JMSB
$332M
| $2.26M | ﹤0.01% |
103,700
+72,100
| +228% | +$1.53M |
2025 Q4
2 quarters
|
|
1893
Columbus McKinnon
CMCO
$397M
| $2.26M | ﹤0.01% |
149,209
-220,114
| -60% | -$3.28M |
2025 Q3
3 quarters
|
|
1894
American Integrity Insurance
AII
$572M
| $2.25M | ﹤0.01% |
119,705
-17,095
| -12% | -$309K |
2025 Q3
3 quarters
|
|
1895
First Commonwealth Financial
FCF
$2.13B
| $2.25M | ﹤0.01% |
110,731
-104,860
| -49% | -$1.98M |
2024 Q4
6 quarters
|
|
1896
Orion Group Holdings
ORN
$341M
| $2.25M | ﹤0.01% |
133,480
-59,934
| -31% | -$828K |
2014 Q1
49 quarters
|
|
1897
Biohaven
BHVN
$2.22B
| $2.24M | ﹤0.01% |
150,752
-10,200
| -6% | -$110K |
2026 Q1
1 quarter
|
|
1898
ProKidney
PROK
$299M
| $2.24M | ﹤0.01% |
1,099,400
-151,394
| -12% | -$277K |
2024 Q3
7 quarters
|
|
1899
Microsoft
MSFT
$3.87T
| $2.24M | ﹤0.01% |
6,010
-3,475
| -37% | -$1.41M |
2024 Q2
8 quarters
|
|
1900
Vermilion Energy
VET
$2.06B
| $2.24M | ﹤0.01% |
238,822
+108,700
| +84% | +$1.29M |
2024 Q4
6 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.