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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 | |
|---|---|---|---|---|---|---|---|
1851
Avidia Bancorp
AVBC
$413M
| $2.45M | ﹤0.01% |
116,812
+73,512
| +170% | +$1.47M |
2025 Q4
2 quarters
|
|
1852
Honda
HMC
$44.9B
| $2.44M | ﹤0.01% |
89,900
-153,100
| -63% | -$3.89M |
2013 Q3
51 quarters
|
|
1853
Fuel Tech
FTEK
$42.1M
| $2.44M | ﹤0.01% |
1,102,406
-305,400
| -22% | -$453K |
2015 Q1
45 quarters
|
|
1854
Home BancShares
HOMB
$6.03B
| $2.42M | ﹤0.01% |
84,739
-124,700
| -60% | -$3.39M |
2025 Q4
2 quarters
|
|
1855
Transact Technologies
TACT
$54.7M
| $2.42M | ﹤0.01% |
414,037
+17,807
| +4% | +$71.9K |
2013 Q2
52 quarters
|
|
1856
Bakkt Inc
BKKT
$236M
| $2.42M | ﹤0.01% |
309,285
-131,815
| -30% | -$1.18M |
2025 Q4
2 quarters
|
|
1857
Jakks Pacific
JAKK
$338M
| $2.4M | ﹤0.01% |
103,218
-19,100
| -16% | -$423K |
2014 Q4
46 quarters
|
|
1858
American Well
AMWL
$241M
| $2.4M | ﹤0.01% |
263,223
+68,200
| +35% | +$509K |
2021 Q4
18 quarters
|
|
1859
Outdoor Holding Co
POWW
$276M
| $2.39M | ﹤0.01% |
1,047,936
+442,636
| +73% | +$911K |
2023 Q1
13 quarters
|
|
1860
Tenax Therapeutics
TENX
$65.9M
| $2.39M | ﹤0.01% |
164,000
+11,400
| +7% | +$146K |
2025 Q3
3 quarters
|
|
1861
Western Copper and Gold
WRN
$387M
| $2.38M | ﹤0.01% |
1,062,300
+742,700
| +232% | +$2M |
2026 Q1
1 quarter
|
|
1862
VTEX
VTEX
$689M
| $2.37M | ﹤0.01% |
593,500
-120,400
| -17% | -$459K |
2021 Q4
18 quarters
|
|
1863
Sonida Senior Living
SNDA
$1.63B
| $2.37M | ﹤0.01% |
58,084
-76,692
| -57% | -$2.75M |
2013 Q2
52 quarters
|
|
1864
MetroCity Bankshares
MCBS
$1.02B
| $2.36M | ﹤0.01% |
65,749
+26,200
| +66% | +$854K |
2026 Q1
1 quarter
|
|
1865
XPEL
XPEL
$1.22B
| $2.36M | ﹤0.01% |
47,500
-37,100
| -44% | -$1.69M |
2025 Q3
3 quarters
|
|
1866
Palisade Bio
PALI
$235M
| $2.35M | ﹤0.01% |
1,124,800
-329,600
| -23% | -$649K |
2025 Q4
2 quarters
|
|
1867
MaxCyte
MXCT
$148M
| $2.35M | ﹤0.01% |
1,910,800
-82,400
| -4% | -$82.1K |
2023 Q1
13 quarters
|
|
1868
Stratasys
SSYS
$598M
| $2.35M | ﹤0.01% |
274,400
-49,000
| -15% | -$429K |
2020 Q2
24 quarters
|
|
1869
BlackRock US Equity Factor Rotation ETF
DYNF
$41.9B
| $2.35M | ﹤0.01% |
+34,500
| New | +$2.24M |
2026 Q2
0 quarters
|
|
1870
iShares MSCI Japan ETF
EWJ
$23.2B
| $2.34M | ﹤0.01% |
+25,131
| New | +$2.28M |
2026 Q2
0 quarters
|
|
1871
iShares Expanded Tech Sector ETF
IGM
$10.6B
| $2.34M | ﹤0.01% |
+14,318
| New | +$2.14M |
2026 Q2
0 quarters
|
|
1872
Pliant Therapeutics
PLRX
$53.6M
| $2.34M | ﹤0.01% |
2,049,874
+197,032
| +11% | +$240K |
2024 Q1
9 quarters
|
|
1873
Apogee Enterprises
APOG
$925M
| $2.33M | ﹤0.01% |
50,983
-139,534
| -73% | -$5.21M |
2023 Q2
12 quarters
|
|
1874
Pyxis Oncology
PYXS
$143M
| $2.32M | ﹤0.01% |
772,232
-116,448
| -13% | -$223K |
2022 Q2
16 quarters
|
|
1875
DELISTED
Open Lending Corp
LPRO
| $2.31M | ﹤0.01% |
741,625
+32,800
| +5% | +$67K |
2021 Q3
19 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.