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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 | |
|---|---|---|---|---|---|---|---|
2001
Direxion Daily FTSE China Bear 3X ETF
YANG
$112M
| $1.84M | ﹤0.01% |
45,200
-9,200
| -17% | -$274K |
2025 Q4
2 quarters
|
|
2002
First Western Financial
MYFW
$294M
| $1.84M | ﹤0.01% |
57,358
+39,258
| +217% | +$1.12M |
2025 Q2
4 quarters
|
|
2003
AMES National
ATLO
$301M
| $1.84M | ﹤0.01% |
62,184
+24,200
| +64% | +$700K |
2014 Q4
46 quarters
|
|
2004
Direxion Daily PLTR Bull 2X ETF
PLTU
$441M
| $1.84M | ﹤0.01% |
72,968
+57,644
| +376% | +$2.13M |
2026 Q1
1 quarter
|
|
2005
Yalla Group
YALA
$856M
| $1.84M | ﹤0.01% |
334,500
-43,000
| -11% | -$266K |
2021 Q4
18 quarters
|
|
2006
FT Vest Fund of Buffer ETFs
BUFR
$10.8B
| $1.83M | ﹤0.01% |
50,200
+28,100
| +127% | +$1.01M |
2026 Q1
1 quarter
|
|
2007
Kennametal
KMT
$2.26B
| $1.83M | ﹤0.01% |
+52,200
| New | +$1.9M |
2026 Q2
0 quarters
|
|
2008
Lyell Immunopharma
LYEL
$230M
| $1.83M | ﹤0.01% |
130,190
+13,779
| +12% | +$249K |
2023 Q4
10 quarters
|
|
2009
Clearfield
CLFD
$374M
| $1.82M | ﹤0.01% |
45,795
-90,905
| -66% | -$3.33M |
2024 Q4
6 quarters
|
|
2010
TPG Mortgage Investment Trust
MITT
$174M
| $1.82M | ﹤0.01% |
229,946
-76,050
| -25% | -$594K |
2020 Q4
22 quarters
|
|
2011
Cato Corp
CATO
$46.2M
| $1.82M | ﹤0.01% |
561,950
+13,600
| +2% | +$41.5K |
2018 Q3
31 quarters
|
|
2012
Plumas Bancorp
PLBC
$442M
| $1.82M | ﹤0.01% |
31,100
+24,457
| +368% | +$1.29M |
2022 Q4
14 quarters
|
|
2013
iShares Global REIT ETF
REET
$4.73B
| $1.82M | ﹤0.01% |
+65,800
| New | +$1.78M |
2026 Q2
0 quarters
|
|
2014
Oceaneering
OII
$3.64B
| $1.81M | ﹤0.01% |
44,792
-40,208
| -47% | -$1.52M |
2024 Q4
6 quarters
|
|
2015
Arhaus
ARHS
$1.63B
| $1.81M | ﹤0.01% |
215,400
-957,200
| -82% | -$6.65M |
2025 Q2
4 quarters
|
|
2016
Orange County Bancorp
OBT
$513M
| $1.81M | ﹤0.01% |
49,100
+26,200
| +114% | +$912K |
2024 Q3
7 quarters
|
|
2017
Acumen Pharmaceuticals
ABOS
$149M
| $1.8M | ﹤0.01% |
675,025
+201,079
| +42% | +$497K |
2024 Q2
8 quarters
|
|
2018
Cohen & Steers
CNS
$3.71B
| $1.8M | ﹤0.01% |
23,612
-39,600
| -63% | -$2.8M |
2024 Q2
8 quarters
|
|
2019
iShares 5-10 Year Investment Grade Corporate Bond ETF
IGIB
$19.1B
| $1.8M | ﹤0.01% |
+33,800
| New | +$1.8M |
2026 Q2
0 quarters
|
|
2020
Bitdeer Technologies
BTDR
$1.98B
| $1.8M | ﹤0.01% |
113,153
-123,600
| -52% | -$1.77M |
2026 Q1
1 quarter
|
|
2021
Mistras Group
MG
$682M
| $1.79M | ﹤0.01% |
102,700
-17,800
| -15% | -$317K |
2015 Q4
42 quarters
|
|
2022
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.49B
| $1.79M | ﹤0.01% |
+36,000
| New | +$1.8M |
2026 Q2
0 quarters
|
|
2023
iShares Convertible Bond ETF
ICVT
$7.6B
| $1.79M | ﹤0.01% |
+14,700
| New | +$1.7M |
2026 Q2
0 quarters
|
|
2024
Arvinas
ARVN
$505M
| $1.79M | ﹤0.01% |
+215,345
| New | +$2.01M |
2026 Q2
0 quarters
|
|
2025
Janus International
JBI
$617M
| $1.79M | ﹤0.01% |
321,652
+20,152
| +7% | +$106K |
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.