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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 | |
|---|---|---|---|---|---|---|---|
2476
Direxion Daily Semiconductor Bull 3X ETF
SOXL
$16.9B
| $693K | ﹤0.01% |
+2,600
| New | +$438K |
2026 Q2
0 quarters
|
|
2477
KORU Medical Systems
KRMD
$142M
| $693K | ﹤0.01% |
164,900
+119,000
| +259% | +$488K |
2026 Q1
1 quarter
|
|
2478
SelectQuote
SLQT
$62.7M
| $692K | ﹤0.01% |
823,271
-197,968
| -19% | -$180K |
2022 Q3
15 quarters
|
|
2479
Paysafe
PSFE
$292M
| $692K | ﹤0.01% |
92,594
+22,400
| +32% | +$175K |
2021 Q4
18 quarters
|
|
2480
New Found Gold
NFGC
$615M
| $686K | ﹤0.01% |
445,400
-260,923
| -37% | -$500K |
2024 Q2
8 quarters
|
|
2481
Niu Technologies
NIU
$147M
| $683K | ﹤0.01% |
340,000
+20,000
| +6% | +$52.9K |
2021 Q4
18 quarters
|
|
2482
Cogent Communications
CCOI
$383M
| $683K | ﹤0.01% |
49,231
-17,900
| -27% | -$330K |
2013 Q2
52 quarters
|
|
2483
iShares US Home Construction ETF
ITB
$2.55B
| $683K | ﹤0.01% |
+6,537
| New | +$620K |
2026 Q2
0 quarters
|
|
2484
MicroSectors FANG+ Index -3X Inverse Leveraged ETNs due January 8, 2038
FNGD
$319M
| $682K | ﹤0.01% |
+18,360
| New | +$777K |
2026 Q2
0 quarters
|
|
2485
British American Tobacco
BTI
$128B
| $679K | ﹤0.01% |
10,999
-570,300
| -98% | -$34.4M |
2025 Q1
5 quarters
|
|
2486
Westrock Coffee
WEST
$904M
| $679K | ﹤0.01% |
83,700
+41,700
| +99% | +$299K |
2025 Q3
3 quarters
|
|
2487
RxSight
RXST
$205M
| $678K | ﹤0.01% |
140,693
+80,293
| +133% | +$485K |
2026 Q1
1 quarter
|
|
2488
Transcat
TRNS
$798M
| $678K | ﹤0.01% |
7,305
-27,395
| -79% | -$2.24M |
2025 Q1
5 quarters
|
|
2489
Pure Cycle
PCYO
$254M
| $678K | ﹤0.01% |
63,265
-21,174
| -25% | -$232K |
2023 Q4
10 quarters
|
|
2490
Vulcan Materials
VMC
$34.3B
| $674K | ﹤0.01% |
2,285
-168,320
| -99% | -$48.2M |
2026 Q1
1 quarter
|
|
2491
Generate Biomedicines
GENB
$1.68B
| $669K | ﹤0.01% |
+39,685
| New | +$541K |
2026 Q2
0 quarters
|
|
2492
First Trust NASDAQ-100 Technology Index Fund
QTEC
$4.42B
| $669K | ﹤0.01% |
+2,000
| New | +$573K |
2026 Q2
0 quarters
|
|
2493
51Talk Online Education Group
COE
$70.9M
| $665K | ﹤0.01% |
41,675
-2,600
| -6% | -$60.5K |
2019 Q1
29 quarters
|
|
2494
Natural Alternatives International
NAII
$7.52M
| $663K | ﹤0.01% |
277,457
-13,899
| -5% | -$36.3K |
2013 Q2
52 quarters
|
|
2495
DELISTED
Emerald Holding
EEX
| $661K | ﹤0.01% |
131,063
-36,900
| -22% | -$179K |
2019 Q3
27 quarters
|
|
2496
McGraw Hill
MH
$2.75B
| $660K | ﹤0.01% |
69,659
-99,441
| -59% | -$1.2M |
2025 Q4
2 quarters
|
|
2497
vTv Therapeutics
VTVT
$110M
| $657K | ﹤0.01% |
+17,454
| New | +$605K |
2026 Q2
0 quarters
|
|
2498
Alumis Inc
ALMS
$891M
| $657K | ﹤0.01% |
23,335
-51,832
| -69% | -$1.21M |
2025 Q2
4 quarters
|
|
2499
SOPHiA GENETICS
SOPH
$624M
| $654K | ﹤0.01% |
113,300
+53,500
| +89% | +$271K |
2022 Q2
16 quarters
|
|
2500
Entera Bio
ENTX
$511M
| $653K | ﹤0.01% |
368,847
-104,595
| -22% | -$131K |
2022 Q3
15 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.