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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 | |
|---|---|---|---|---|---|---|---|
651
Moelis & Co
MC
$3.93B
| $22.4M | 0.03% |
342,644
+123,144
| +56% | +$8.07M |
2024 Q3
7 quarters
|
|
652
UFP Technologies
UFPT
$2.27B
| $22.4M | 0.03% |
84,465
-22,007
| -21% | -$4.78M |
2013 Q2
52 quarters
|
|
653
Infleqtion Inc
INFQ
$1.97B
| $22.4M | 0.03% |
1,681,200
+1,463,900
| +674% | +$20.1M |
2026 Q1
1 quarter
|
|
654
First Horizon
FHN
$10.8B
| $22.3M | 0.03% |
870,611
+330,400
| +61% | +$8.06M |
2023 Q3
11 quarters
|
|
655
Independent Bank Corp
IBCP
$791M
| $22.3M | 0.03% |
617,500
+35,209
| +6% | +$1.2M |
2013 Q2
52 quarters
|
|
656
Innodata
INOD
$1.86B
| $22.2M | 0.03% |
+294,300
| New | +$21.6M |
2026 Q2
0 quarters
|
|
657
Krystal Biotech
KRYS
$9.48B
| $22.2M | 0.03% |
59,680
+50,080
| +522% | +$15M |
2025 Q4
2 quarters
|
|
658
Ardmore Shipping
ASC
$756M
| $22.1M | 0.03% |
1,580,425
-156,207
| -9% | -$2.65M |
2021 Q4
18 quarters
|
|
659
Universal Display
OLED
$3.69B
| $22.1M | 0.03% |
254,839
+128,900
| +102% | +$11.9M |
2026 Q1
1 quarter
|
|
660
Solaris Energy Infrastructure
SEI
$4.33B
| $22M | 0.03% |
+273,400
| New | +$19.5M |
2026 Q2
0 quarters
|
|
661
Waterstone Financial
WSBF
$356M
| $21.8M | 0.03% |
1,051,571
-42,900
| -4% | -$800K |
2013 Q2
52 quarters
|
|
662
HomeTrust Bancshares
HTB
$771M
| $21.8M | 0.03% |
436,815
-29,400
| -6% | -$1.36M |
2013 Q4
50 quarters
|
|
663
First Bancorp
FBP
$4.14B
| $21.6M | 0.03% |
828,813
+715,700
| +633% | +$17.2M |
2024 Q4
6 quarters
|
|
664
Paychex
PAYX
$39.4B
| $21.5M | 0.03% |
218,501
-947,700
| -81% | -$89.7M |
2025 Q3
3 quarters
|
|
665
Unitil
UTL
$966M
| $21.5M | 0.03% |
407,540
-82,501
| -17% | -$4.28M |
2013 Q2
52 quarters
|
|
666
Everus Construction Group
ECG
$5.55B
| $21.4M | 0.03% |
129,200
-19,200
| -13% | -$2.81M |
2025 Q1
5 quarters
|
|
667
Qnity Electronics Inc
Q
$24.9B
| $21.4M | 0.03% |
130,900
-58,700
| -31% | -$8.65M |
2026 Q1
1 quarter
|
|
668
Belden
BDC
$4.05B
| $21.4M | 0.03% |
178,055
-11,400
| -6% | -$1.33M |
2018 Q4
30 quarters
|
|
669
AptarGroup
ATR
$7.92B
| $21.3M | 0.03% |
170,400
-2,400
| -1% | -$291K |
2022 Q1
17 quarters
|
|
670
America Movil
AMX
$68.2B
| $21.3M | 0.03% |
820,228
-371,400
| -31% | -$9.8M |
2017 Q3
35 quarters
|
|
671
Klarna Group
KLAR
$4.96B
| $21.1M | 0.03% |
1,044,800
-998,300
| -49% | -$15.7M |
2025 Q4
2 quarters
|
|
672
VICI Properties
VICI
$25.4B
| $21.1M | 0.03% |
796,205
+255,076
| +47% | +$7.15M |
2023 Q4
10 quarters
|
|
673
iShares Russell 1000 Growth ETF
IWF
$126B
| $21.1M | 0.03% |
170,128
-78,992
| -32% | -$9.5M |
2025 Q2
4 quarters
|
|
674
Viking Holdings
VIK
$37.5B
| $21.1M | 0.03% |
201,753
-557,451
| -73% | -$48.2M |
2024 Q2
8 quarters
|
|
675
ProPetro Holding
PUMP
$958M
| $21.1M | 0.03% |
1,472,100
+819,700
| +126% | +$12.7M |
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.