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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 | |
|---|---|---|---|---|---|---|---|
1201
Arrow Financial
AROW
$688M
| $7.65M | 0.01% |
186,721
-43,563
| -19% | -$1.62M |
2013 Q2
52 quarters
|
|
1202
Everspin Technologies
MRAM
$334M
| $7.65M | 0.01% |
316,370
-17,997
| -5% | -$403K |
2020 Q1
25 quarters
|
|
1203
Nuvation Bio
NUVB
$1.72B
| $7.65M | 0.01% |
1,345,995
+786,815
| +141% | +$3.85M |
2026 Q1
1 quarter
|
|
1204
Regional Management Corp
RM
$310M
| $7.64M | 0.01% |
185,541
-37,692
| -17% | -$1.38M |
2015 Q2
44 quarters
|
|
1205
First Business Financial Services
FBIZ
$592M
| $7.64M | 0.01% |
120,865
-1,600
| -1% | -$92.6K |
2014 Q1
49 quarters
|
|
1206
Ibotta
IBTA
$997M
| $7.62M | 0.01% |
223,083
-16,217
| -7% | -$541K |
2024 Q2
8 quarters
|
|
1207
Envela
ELA
$307M
| $7.59M | 0.01% |
262,865
+1,861
| +0.7% | +$41.5K |
2019 Q4
26 quarters
|
|
1208
Rhythm Pharmaceuticals
RYTM
$6.12B
| $7.58M | 0.01% |
68,281
-189,730
| -74% | -$17.2M |
2025 Q1
5 quarters
|
|
1209
Invesco National AMT-Free Municipal Bond ETF
PZA
$4.09B
| $7.58M | 0.01% |
322,300
+258,000
| +401% | +$6.01M |
2023 Q4
10 quarters
|
|
1210
Sierra Bancorp
BSRR
$512M
| $7.57M | 0.01% |
185,812
+4,965
| +3% | +$187K |
2014 Q1
49 quarters
|
|
1211
Cooper-Standard Automotive
CPS
$351M
| $7.54M | 0.01% |
278,900
-44,800
| -14% | -$1.32M |
2022 Q1
17 quarters
|
|
1212
Invesco KBW Bank ETF
KBWB
$6.26B
| $7.54M | 0.01% |
+81,040
| New | +$7.09M |
2026 Q2
0 quarters
|
|
1213
iShares Core S&P Total US Stock Market ETF
ITOT
$97.4B
| $7.52M | 0.01% |
+45,800
| New | +$7.27M |
2026 Q2
0 quarters
|
|
1214
Parke Bancorp
PKBK
$381M
| $7.51M | 0.01% |
226,347
+27,400
| +14% | +$842K |
2016 Q3
39 quarters
|
|
1215
Nexa Resources
NEXA
$1.6B
| $7.5M | 0.01% |
612,793
-267,079
| -30% | -$3.72M |
2018 Q3
31 quarters
|
|
1216
Vanguard Morningstar Mid-Cap ETF
VO
$107B
| $7.5M | 0.01% |
93,080
-24,520
| -21% | -$1.9M |
2024 Q3
7 quarters
|
|
1217
DHI Group
DHX
$214M
| $7.47M | 0.01% |
2,013,229
+211,900
| +12% | +$700K |
2013 Q3
51 quarters
|
|
1218
Real REMAX Group Inc. Common Stock
REAX
$346M
| $7.46M | 0.01% |
410,021
+230,321
| +128% | +$4.68M |
2023 Q3
11 quarters
|
|
1219
TAT Technologies
TATT
$422M
| $7.44M | 0.01% |
154,202
-49,200
| -24% | -$1.98M |
2013 Q2
52 quarters
|
|
1220
Southern Copper
SCCO
$167B
| $7.43M | 0.01% |
43,166
+39,042
| +947% | +$7.01M |
2024 Q3
7 quarters
|
|
1221
Starling Oncology
STLN
$693M
| $7.42M | 0.01% |
1,365,913
+463,104
| +51% | +$1.95M |
2023 Q1
13 quarters
|
|
1222
One Stop Systems
OSS
$154M
| $7.41M | 0.01% |
407,860
+147,900
| +57% | +$2.06M |
2021 Q2
20 quarters
|
|
1223
NACCO Industries
NC
$248M
| $7.4M | 0.01% |
147,818
-6,700
| -4% | -$337K |
2013 Q4
50 quarters
|
|
1224
Brainsway
BWAY
$483M
| $7.38M | 0.01% |
475,920
-42,500
| -8% | -$643K |
2023 Q1
13 quarters
|
|
1225
Kodiak Sciences
KOD
$5.53B
| $7.37M | 0.01% |
189,200
-105,100
| -36% | -$4.09M |
2022 Q2
16 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.