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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 | |
|---|---|---|---|---|---|---|---|
2826
Spruce Biosciences
SPRB
$118M
| $254K | ﹤0.01% |
+4,700
| New | +$263K |
2026 Q2
0 quarters
|
|
2827
SkinHealth Systems
SKIN
$72.6M
| $253K | ﹤0.01% |
18,235
+4,045
| +29% | +$61.9K |
2024 Q4
6 quarters
|
|
2828
Lindblad Expeditions
LIND
$2.32B
| $251K | ﹤0.01% |
8,898
-21,600
| -71% | -$456K |
2024 Q1
9 quarters
|
|
2829
MapLight Therapeutics
MPLT
$458M
| $249K | ﹤0.01% |
+6,937
| New | +$200K |
2026 Q2
0 quarters
|
|
2830
BioVie
BIVI
$10.8M
| $248K | ﹤0.01% |
127,918
+60,000
| +88% | +$94.2K |
2025 Q3
3 quarters
|
|
2831
Jiayin Group
JFIN
$65.4M
| $246K | ﹤0.01% |
86,174
-46,126
| -35% | -$196K |
2023 Q3
11 quarters
|
|
2832
Clipper Realty
CLPR
$50.3M
| $246K | ﹤0.01% |
90,557
-4,400
| -5% | -$13.9K |
2018 Q3
31 quarters
|
|
2833
Research Solutions
RSSS
$66.9M
| $246K | ﹤0.01% |
105,990
-70,910
| -40% | -$168K |
2021 Q2
20 quarters
|
|
2834
Oracle
ORCL
$398B
| $245K | ﹤0.01% |
+1,669
| New | +$302K |
2026 Q2
0 quarters
|
|
2835
Franklin Wireless
FKWL
$25.9M
| $245K | ﹤0.01% |
96,601
-2,099
| -2% | -$6.75K |
2021 Q2
20 quarters
|
|
2836
Xponential Fitness
XPOF
$185M
| $244K | ﹤0.01% |
35,200
-29,490
| -46% | -$187K |
2025 Q2
4 quarters
|
|
2837
Werewolf Therapeutics
HOWL
$51M
| $243K | ﹤0.01% |
674,632
+158,414
| +31% | +$96.5K |
2022 Q2
16 quarters
|
|
2838
Dorian LPG
LPG
$2.23B
| $240K | ﹤0.01% |
6,900
-75,700
| -92% | -$2.98M |
2025 Q1
5 quarters
|
|
2839
Gaia
GAIA
$35.6M
| $238K | ﹤0.01% |
113,361
-7,600
| -6% | -$19.6K |
2013 Q2
52 quarters
|
|
2840
Global X S&P 500 Covered Call ETF
XYLD
$3.38B
| $237K | ﹤0.01% |
+5,800
| New | +$234K |
2026 Q2
0 quarters
|
|
2841
iShares MSCI EAFE Growth ETF
EFG
$15B
| $236K | ﹤0.01% |
1,900
-3,800
| -67% | -$458K |
2025 Q2
4 quarters
|
|
|
CANG
2842
Cango Inc
CANG
$88.6M
| $235K | ﹤0.01% |
114,824
+13,880
| +14% | +$57.3K |
2026 Q1
1 quarter
|
|
2843
Rocky Mountain Chocolate Factory
RMCF
$8.68M
| $235K | ﹤0.01% |
263,823
-17,095
| -6% | -$34.4K |
2013 Q2
52 quarters
|
|
2844
Perpetuals.com Ltd
PDC
$18.9M
| $234K | ﹤0.01% |
+39,700
| New | +$250K |
2026 Q2
0 quarters
|
|
2845
Passage Bio
PASG
$11.6M
| $234K | ﹤0.01% |
47,892
-85,720
| -64% | -$536K |
2021 Q2
20 quarters
|
|
2846
Tradr 2X Long APLD Daily ETF
APLX
$23.6M
| $233K | ﹤0.01% |
+11,300
| New | +$286K |
2026 Q2
0 quarters
|
|
2847
GitLab
GTLB
$9.16B
| $232K | ﹤0.01% |
7,600
-735,200
| -99% | -$18.6M |
2026 Q1
1 quarter
|
|
2848
Republic Airways Holdings
RJET
$760M
| $232K | ﹤0.01% |
+11,031
| New | +$215K |
2026 Q2
0 quarters
|
|
2849
First Guaranty Bancshares
FGBI
$137M
| $231K | ﹤0.01% |
22,906
+7,600
| +50% | +$73.1K |
2024 Q2
8 quarters
|
|
2850
Vanguard Morningstar Growth ETF
VUG
$229B
| $230K | ﹤0.01% |
2,666
-156,454
| -98% | -$13.2M |
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.