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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 | |
|---|---|---|---|---|---|---|---|
2751
iShares Russell 2500 ETF
SMMD
$4.05B
| $323K | ﹤0.01% |
3,525
-1,475
| -30% | -$127K |
2026 Q1
1 quarter
|
|
2752
Surrozen
SRZN
$295M
| $321K | ﹤0.01% |
12,374
-36,752
| -75% | -$1.01M |
2022 Q4
14 quarters
|
|
2753
Revolve Group
RVLV
$1.65B
| $320K | ﹤0.01% |
+14,000
| New | +$310K |
2026 Q2
0 quarters
|
|
2754
LightInTheBox
LITB
$55.2M
| $320K | ﹤0.01% |
108,433
-6,700
| -6% | -$18.3K |
2014 Q4
46 quarters
|
|
2755
Retractable Technologies
RVP
$17.4M
| $318K | ﹤0.01% |
441,407
+37,400
| +9% | +$25.4K |
2021 Q4
18 quarters
|
|
2756
Century Casinos
CNTY
$22M
| $318K | ﹤0.01% |
248,281
-1,506
| -0.6% | -$2.11K |
2013 Q2
52 quarters
|
|
2757
Genelux
GNLX
$113M
| $317K | ﹤0.01% |
105,229
+93,029
| +763% | +$263K |
2024 Q1
9 quarters
|
|
2758
ResMed
RMD
$34.5B
| $316K | ﹤0.01% |
+1,620
| New | +$336K |
2026 Q2
0 quarters
|
|
2759
Enerpac Tool Group
EPAC
$1.82B
| $316K | ﹤0.01% |
+8,800
| New | +$309K |
2026 Q2
0 quarters
|
|
2760
Armata Pharmaceuticals
ARMP
$119M
| $313K | ﹤0.01% |
48,318
+9,822
| +26% | +$90.1K |
2017 Q2
36 quarters
|
|
2761
SCYNEXIS
SCYX
$37.8M
| $311K | ﹤0.01% |
76,525
+48,445
| +173% | +$301K |
2022 Q4
14 quarters
|
|
2762
TRX Gold Corp
TRX
$347M
| $309K | ﹤0.01% |
374,628
-443,255
| -54% | -$514K |
2026 Q1
1 quarter
|
|
2763
B&G Foods
BGS
$178M
| $308K | ﹤0.01% |
77,400
-343,400
| -82% | -$1.59M |
2025 Q4
2 quarters
|
|
2764
Nutrien
NTR
$32.9B
| $308K | ﹤0.01% |
+4,885
| New | +$342K |
2026 Q2
0 quarters
|
|
2765
Defiance Daily Target 2x Long IREN ETF
IRE
$100M
| $307K | ﹤0.01% |
+18,400
| New | +$480K |
2026 Q2
0 quarters
|
|
2766
GrabAGun Digital Holdings
PEW
$57.8M
| $306K | ﹤0.01% |
134,300
+89,500
| +200% | +$248K |
2026 Q1
1 quarter
|
|
2767
Skillsoft
SKIL
$49M
| $306K | ﹤0.01% |
59,074
-1,935
| -3% | -$12.9K |
2022 Q3
15 quarters
|
|
2768
CS Disco
LAW
$303M
| $306K | ﹤0.01% |
80,900
-3,344
| -4% | -$13K |
2025 Q2
4 quarters
|
|
2769
Educational Development Corp
EDUC
$8.78M
| $304K | ﹤0.01% |
201,545
+4,700
| +2% | +$6.68K |
2018 Q1
33 quarters
|
|
2770
Interlink Electronics
LINK
$63.2M
| $304K | ﹤0.01% |
62,976
-31,837
| -34% | -$123K |
2025 Q3
3 quarters
|
|
2771
Cineverse
CNVS
$37.1M
| $303K | ﹤0.01% |
102,025
-18,071
| -15% | -$46.4K |
2024 Q2
8 quarters
|
|
2772
Daxor
DXR
$56.9M
| $303K | ﹤0.01% |
29,421
+1,410
| +5% | +$14.3K |
2013 Q2
52 quarters
|
|
2773
YieldMax NVDA Option Income Strategy ETF
NVDY
$1.32B
| $302K | ﹤0.01% |
+24,300
| New | +$329K |
2026 Q2
0 quarters
|
|
2774
Heritage Global
HGBL
$44M
| $302K | ﹤0.01% |
249,617
+5,300
| +2% | +$6.92K |
2021 Q1
21 quarters
|
|
2775
ZKH Group
ZKH
$279M
| $301K | ﹤0.01% |
133,400
+43,500
| +48% | +$125K |
2025 Q1
5 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.