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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 | |
|---|---|---|---|---|---|---|---|
1801
CTO Realty Growth
CTO
$759M
| $2.71M | ﹤0.01% |
126,001
-86,299
| -41% | -$1.75M |
2023 Q2
12 quarters
|
|
1802
Lexicon Pharmaceuticals
LXRX
$663M
| $2.7M | ﹤0.01% |
1,127,000
-473,500
| -30% | -$922K |
2025 Q3
3 quarters
|
|
1803
South Bow Corp
SOBO
$7.21B
| $2.7M | ﹤0.01% |
76,680
+41,800
| +120% | +$1.47M |
2026 Q1
1 quarter
|
|
1804
iShares Core S&P US Value ETF
IUSV
$28.4B
| $2.7M | ﹤0.01% |
24,500
-4,100
| -14% | -$444K |
2025 Q2
4 quarters
|
|
1805
Varex Imaging
VREX
$782M
| $2.7M | ﹤0.01% |
258,480
-10,620
| -4% | -$115K |
2021 Q3
19 quarters
|
|
1806
Comstock Holding Companies
CHCI
$178M
| $2.69M | ﹤0.01% |
168,279
-12,200
| -7% | -$202K |
2018 Q2
32 quarters
|
|
1807
LCNB Corp
LCNB
$281M
| $2.69M | ﹤0.01% |
152,816
-3,467
| -2% | -$57.8K |
2013 Q4
50 quarters
|
|
1808
Sagimet Biosciences
SGMT
$706M
| $2.68M | ﹤0.01% |
346,927
-278,542
| -45% | -$1.89M |
2025 Q2
4 quarters
|
|
1809
Wabash National
WNC
$534M
| $2.68M | ﹤0.01% |
198,265
-26,100
| -12% | -$232K |
2025 Q1
5 quarters
|
|
1810
Dingdong
DDL
$435M
| $2.67M | ﹤0.01% |
1,385,500
-17,900
| -1% | -$44.4K |
2022 Q4
14 quarters
|
|
1811
DELISTED
Liberty Broadband Class C
LBRDK
| $2.67M | ﹤0.01% |
+80,275
| New | +$3.13M |
2026 Q2
0 quarters
|
|
1812
Pattern Group Inc
PTRN
$2.93B
| $2.67M | ﹤0.01% |
105,851
+88,300
| +503% | +$1.5M |
2025 Q4
2 quarters
|
|
1813
Vanguard Russell 1000 ETF
VONE
$8.96B
| $2.66M | ﹤0.01% |
+7,840
| New | +$2.57M |
2026 Q2
0 quarters
|
|
1814
Evolv Technologies
EVLV
$831M
| $2.65M | ﹤0.01% |
+457,500
| New | +$2.87M |
2026 Q2
0 quarters
|
|
1815
Ecovyst
ECVT
$1.07B
| $2.65M | ﹤0.01% |
213,100
-93,600
| -31% | -$1.27M |
2021 Q4
18 quarters
|
|
|
1816
Linde
LIN
$235B
| $2.65M | ﹤0.01% |
5,100
-624,720
| -99% | -$316M |
2025 Q4
2 quarters
|
|
1817
GCM Grosvenor
GCMG
$771M
| $2.63M | ﹤0.01% |
213,900
-29,800
| -12% | -$326K |
2021 Q2
20 quarters
|
|
1818
Skyward Specialty Insurance
SKWD
$2.76B
| $2.63M | ﹤0.01% |
45,000
-24,300
| -35% | -$1.15M |
2024 Q2
8 quarters
|
|
1819
DELISTED
Theravance Biopharma
TBPH
| $2.62M | ﹤0.01% |
154,318
+26,402
| +21% | +$437K |
2026 Q1
1 quarter
|
|
1820
Annexon
ANNX
$722M
| $2.62M | ﹤0.01% |
459,000
-85,300
| -16% | -$472K |
2021 Q4
18 quarters
|
|
1821
UMH Properties
UMH
$1.32B
| $2.62M | ﹤0.01% |
+172,867
| New | +$2.65M |
2026 Q2
0 quarters
|
|
1822
Airgain
AIRG
$52.7M
| $2.6M | ﹤0.01% |
412,036
+75,700
| +23% | +$503K |
2019 Q1
29 quarters
|
|
1823
Strata Critical Medical Inc
SRTA
$417M
| $2.59M | ﹤0.01% |
492,386
+17,500
| +4% | +$92.1K |
2022 Q2
16 quarters
|
|
1824
UroGen Pharma
URGN
$1.72B
| $2.59M | ﹤0.01% |
+70,300
| New | +$1.91M |
2026 Q2
0 quarters
|
|
1825
Yeti Holdings
YETI
$3.21B
| $2.58M | ﹤0.01% |
52,100
-33,400
| -39% | -$1.45M |
2025 Q2
4 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.