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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 | |
|---|---|---|---|---|---|---|---|
76
Kimberly-Clark
KMB
$35.1B
| $165M | 0.23% |
1,499,600
+182,000
| +14% | +$18M |
2021 Q3
19 quarters
|
|
77
DoorDash
DASH
$82B
| $164M | 0.23% |
889,475
-536,880
| -38% | -$88.7M |
2021 Q2
20 quarters
|
|
78
State Street SPDR S&P 500 ETF Trust
SPY
$806B
| $164M | 0.23% |
+219,040
| New | +$159M |
2026 Q2
0 quarters
|
|
79
DELISTED
Warner Bros
WBD
| $162M | 0.22% |
6,083,353
+2,236,200
| +58% | +$60.5M |
2026 Q1
1 quarter
|
|
80
General Dynamics
GD
$93.1B
| $161M | 0.22% |
453,720
+423,540
| +1,403% | +$145M |
2026 Q1
1 quarter
|
|
81
Petrobras Class A
PBR.A
$150B
| $159M | 0.22% |
10,886,700
+6,279,000
| +136% | +$111M |
2018 Q2
32 quarters
|
|
82
Vertex Pharmaceuticals
VRTX
$127B
| $159M | 0.22% |
320,008
-101,680
| -24% | -$45.1M |
2017 Q1
37 quarters
|
|
83
National Grid
NGG
$81.7B
| $157M | 0.22% |
1,894,298
-274,457
| -13% | -$23.3M |
2013 Q2
52 quarters
|
|
84
New York Times
NYT
$10.9B
| $156M | 0.22% |
2,234,754
-521,426
| -19% | -$40.2M |
2013 Q2
52 quarters
|
|
85
Intercontinental Exchange
ICE
$90.7B
| $156M | 0.22% |
+1,269,289
| New | +$190M |
2026 Q2
0 quarters
|
|
86
Brinker International
EAT
$8.55B
| $153M | 0.21% |
913,265
-8,900
| -1% | -$1.32M |
2023 Q4
10 quarters
|
|
87
UnitedHealth
UNH
$360B
| $153M | 0.21% |
367,014
-791,414
| -68% | -$293M |
2025 Q2
4 quarters
|
|
88
Lockheed Martin
LMT
$127B
| $152M | 0.21% |
298,520
+103,880
| +53% | +$56.2M |
2025 Q4
2 quarters
|
|
89
Comfort Systems
FIX
$50.6B
| $151M | 0.21% |
76,160
+19,500
| +34% | +$35.4M |
2023 Q4
10 quarters
|
|
90
Invesco QQQ Trust
QQQ
$475B
| $151M | 0.21% |
+204,600
| New | +$141M |
2026 Q2
0 quarters
|
|
91
Marvell Technology
MRVL
$205B
| $151M | 0.21% |
+505,425
| New | +$101M |
2026 Q2
0 quarters
|
|
92
CME Group
CME
$106B
| $150M | 0.21% |
680,049
+645,249
| +1,854% | +$178M |
2021 Q3
19 quarters
|
|
93
Hecla Mining
HL
$10.3B
| $150M | 0.21% |
9,731,400
+5,831,300
| +150% | +$102M |
2026 Q1
1 quarter
|
|
94
Frontdoor
FTDR
$5.44B
| $146M | 0.2% |
1,877,487
+27,700
| +1% | +$1.77M |
2019 Q2
28 quarters
|
|
95
Novo Nordisk
NVO
$171B
| $145M | 0.2% |
3,032,421
-364,700
| -11% | -$15.7M |
2013 Q2
52 quarters
|
|
96
Illumina
ILMN
$39.6B
| $145M | 0.2% |
826,642
-146,000
| -15% | -$21.4M |
2023 Q4
10 quarters
|
|
97
Danaher
DHR
$161B
| $145M | 0.2% |
760,636
+81,828
| +12% | +$14.9M |
2026 Q1
1 quarter
|
|
98
Alamos Gold
AGI
$13.4B
| $145M | 0.2% |
4,772,807
-345,364
| -7% | -$14M |
2017 Q4
34 quarters
|
|
99
Petrobras
PBR
$168B
| $142M | 0.2% |
8,780,800
+1,117,600
| +15% | +$21.8M |
2021 Q4
18 quarters
|
|
100
Centene
CNC
$34.2B
| $141M | 0.19% |
2,192,412
+507,743
| +30% | +$27.1M |
2025 Q4
2 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.