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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 | |
|---|---|---|---|---|---|---|---|
2551
Hooker Furnishings Corp
HOFT
$136M
| $574K | ﹤0.01% |
32,200
-2,100
| -6% | -$28.7K |
2013 Q2
52 quarters
|
|
2552
Shimmick
SHIM
$95.1M
| $574K | ﹤0.01% |
125,555
+89,855
| +252% | +$396K |
2026 Q1
1 quarter
|
|
2553
DELISTED
KORE Group Holdings
KORE
| $571K | ﹤0.01% |
61,841
-27,100
| -30% | -$249K |
2022 Q2
16 quarters
|
|
2554
Montauk Renewables
MNTK
$302M
| $569K | ﹤0.01% |
364,800
+10,200
| +3% | +$15.1K |
2022 Q2
16 quarters
|
|
2555
Laser Photonics
LASE
$43.9M
| $568K | ﹤0.01% |
+344,055
| New | +$472K |
2026 Q2
0 quarters
|
|
2556
Bombardier Recreational Products
DOO
$3.98B
| $565K | ﹤0.01% |
9,254
-7,246
| -44% | -$436K |
2025 Q3
3 quarters
|
|
2557
Fidelity Enhanced Mid Cap Core ETF
FMDE
$8.41B
| $564K | ﹤0.01% |
+13,900
| New | +$540K |
2026 Q2
0 quarters
|
|
2558
Addus HomeCare
ADUS
$2.2B
| $563K | ﹤0.01% |
5,600
-74,889
| -93% | -$7.07M |
2022 Q4
14 quarters
|
|
2559
DouYu International Holdings
DOYU
$111M
| $559K | ﹤0.01% |
120,258
-4,168
| -3% | -$20.2K |
2021 Q3
19 quarters
|
|
2560
WesBanco
WSBC
$3.61B
| $556K | ﹤0.01% |
14,256
-169,791
| -92% | -$5.98M |
2023 Q2
12 quarters
|
|
2561
Constellation Brands
STZ
$22.3B
| $556K | ﹤0.01% |
+4,000
| New | +$595K |
2026 Q2
0 quarters
|
|
2562
Janus Living Inc
JAN
$6.64B
| $555K | ﹤0.01% |
+19,300
| New | +$501K |
2026 Q2
0 quarters
|
|
2563
SKYX Platforms
SKYX
$122M
| $554K | ﹤0.01% |
501,700
-719,800
| -59% | -$798K |
2025 Q3
3 quarters
|
|
2564
SoundThinking
SSTI
$111M
| $553K | ﹤0.01% |
61,132
-4,200
| -6% | -$30K |
2020 Q3
23 quarters
|
|
2565
Brazil Potash Corp
GRO
$127M
| $553K | ﹤0.01% |
257,300
-87,400
| -25% | -$237K |
2025 Q2
4 quarters
|
|
2566
Pulmonx
LUNG
$78.6M
| $553K | ﹤0.01% |
425,110
+104,810
| +33% | +$144K |
2022 Q4
14 quarters
|
|
2567
Lifecore Biomedical
LFCR
$241M
| $551K | ﹤0.01% |
+104,859
| New | +$528K |
2026 Q2
0 quarters
|
|
2568
Zscaler
ZS
$37.7B
| $550K | ﹤0.01% |
3,900
-226,560
| -98% | -$31.6M |
2022 Q1
17 quarters
|
|
2569
Bogota Financial
BSBK
$117M
| $549K | ﹤0.01% |
60,851
+29,600
| +95% | +$257K |
2021 Q1
21 quarters
|
|
2570
Baozun
BZUN
$210M
| $548K | ﹤0.01% |
193,516
-2,500
| -1% | -$6.74K |
2022 Q1
17 quarters
|
|
2571
Clearwater Paper
CLW
$302M
| $547K | ﹤0.01% |
34,900
-202,215
| -85% | -$3.05M |
2025 Q4
2 quarters
|
|
2572
Hoyne Bancorp
HYNE
$128M
| $546K | ﹤0.01% |
+32,599
| New | +$519K |
2026 Q2
0 quarters
|
|
2573
VanEck Merk Gold Trust
OUNZ
$2.67B
| $544K | ﹤0.01% |
14,100
-22,370
| -61% | -$971K |
2023 Q4
10 quarters
|
|
2574
iShares S&P Small-Cap 600 Value ETF
IJS
$7.55B
| $541K | ﹤0.01% |
3,960
-340
| -8% | -$43.9K |
2026 Q1
1 quarter
|
|
2575
Scansource
SCSC
$1.23B
| $540K | ﹤0.01% |
10,375
-10,735
| -51% | -$470K |
2026 Q1
1 quarter
|
|
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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.