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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 | |
|---|---|---|---|---|---|---|---|
126
Rio Tinto
RIO
$147B
| $115M | 0.16% |
1,214,600
+248,800
| +26% | +$25.2M |
2024 Q1
9 quarters
|
|
127
Nutanix
NTNX
$18.1B
| $115M | 0.16% |
2,258,696
-466,300
| -17% | -$21.1M |
2021 Q1
21 quarters
|
|
128
Redwire
RDW
$2.1B
| $115M | 0.16% |
+9,399,700
| New | +$124M |
2026 Q2
0 quarters
|
|
129
GE Aerospace
GE
$326B
| $115M | 0.16% |
306,797
-107,281
| -26% | -$33.6M |
2025 Q4
2 quarters
|
|
130
Chipotle Mexican Grill
CMG
$37.8B
| $114M | 0.16% |
3,364,700
+2,461,600
| +273% | +$80.4M |
2025 Q4
2 quarters
|
|
131
Blackrock
BLK
$176B
| $114M | 0.16% |
+118,722
| New | +$123M |
2026 Q2
0 quarters
|
|
132
Chunghwa Telecom
CHT
$37B
| $114M | 0.16% |
2,565,950
-199,346
| -7% | -$8.75M |
2013 Q2
52 quarters
|
|
133
Otis Worldwide
OTIS
$27.2B
| $113M | 0.16% |
1,584,200
-107,000
| -6% | -$7.99M |
2025 Q2
4 quarters
|
|
134
Canadian Natural Resources
CNQ
$111B
| $113M | 0.16% |
+2,859,500
| New | +$130M |
2026 Q2
0 quarters
|
|
135
monday.com
MNDY
$3.82B
| $113M | 0.16% |
1,556,890
-625,100
| -29% | -$45.8M |
2021 Q4
18 quarters
|
|
136
DexCom
DXCM
$32.5B
| $110M | 0.15% |
1,630,796
+47,800
| +3% | +$3.18M |
2023 Q4
10 quarters
|
|
137
Royalty Pharma
RPRX
$27.1B
| $109M | 0.15% |
1,935,800
+1,144,863
| +145% | +$59.6M |
2026 Q1
1 quarter
|
|
138
iShares National Muni Bond ETF
MUB
$49.2B
| $108M | 0.15% |
1,004,526
+909,826
| +961% | +$97.3M |
2022 Q4
14 quarters
|
|
139
Wynn Resorts
WYNN
$7.78B
| $108M | 0.15% |
1,109,756
-130,200
| -11% | -$13.4M |
2023 Q2
12 quarters
|
|
140
Barrick Mining
B
$67.2B
| $107M | 0.15% |
2,907,433
-2,569,045
| -47% | -$105M |
2025 Q4
2 quarters
|
|
141
Dr. Reddy's Laboratories
RDY
$10.9B
| $106M | 0.15% |
7,347,028
-512,700
| -7% | -$6.92M |
2018 Q1
33 quarters
|
|
142
VanEck Gold Miners ETF
GDX
$26.3B
| $106M | 0.15% |
1,405,199
+830,251
| +144% | +$73.4M |
2023 Q2
12 quarters
|
|
143
Ubiquiti
UI
$36.4B
| $106M | 0.15% |
198,344
-20,600
| -9% | -$15.5M |
2016 Q1
41 quarters
|
|
144
Perdoceo Education
PRDO
$2.11B
| $106M | 0.15% |
3,299,764
-202,500
| -6% | -$6.94M |
2013 Q2
52 quarters
|
|
145
Teradyne
TER
$50.8B
| $106M | 0.15% |
218,100
+53,200
| +32% | +$20.1M |
2024 Q4
6 quarters
|
|
146
Travere Therapeutics
TVTX
$4.68B
| $104M | 0.14% |
1,833,079
-133,700
| -7% | -$5.93M |
2019 Q1
29 quarters
|
|
147
BlackBerry
BB
$4.73B
| $104M | 0.14% |
8,194,243
+4,648,700
| +131% | +$32.5M |
2024 Q4
6 quarters
|
|
148
Northrop Grumman
NOC
$73.9B
| $104M | 0.14% |
203,380
+193,380
| +1,934% | +$112M |
2025 Q4
2 quarters
|
|
149
HP
HPQ
$27.1B
| $103M | 0.14% |
4,700,900
-2,728,853
| -37% | -$60.4M |
2025 Q3
3 quarters
|
|
150
Illinois Tool Works
ITW
$77.5B
| $103M | 0.14% |
381,160
-278,680
| -42% | -$72.3M |
2025 Q3
3 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.