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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 | |
|---|---|---|---|---|---|---|---|
901
COPT Defense Properties
CDP
$3.74B
| $13.5M | 0.02% |
371,752
+117,852
| +46% | +$3.83M |
2024 Q1
9 quarters
|
|
902
Stantec
STN
$7.73B
| $13.5M | 0.02% |
195,299
+117,549
| +151% | +$9.48M |
2013 Q2
52 quarters
|
|
903
Great Southern Bancorp
GSBC
$865M
| $13.4M | 0.02% |
170,500
-19,800
| -10% | -$1.4M |
2013 Q2
52 quarters
|
|
904
Ferrari
RACE
$70B
| $13.3M | 0.02% |
35,944
-81,024
| -69% | -$28.2M |
2025 Q1
5 quarters
|
|
905
Ingredion
INGR
$6.15B
| $13.3M | 0.02% |
140,073
+127,673
| +1,030% | +$13.5M |
2024 Q1
9 quarters
|
|
906
Gladstone Commercial Corp
GOOD
$583M
| $13.2M | 0.02% |
1,071,611
-98,613
| -8% | -$1.23M |
2014 Q1
49 quarters
|
|
907
DELISTED
G. Willi-Food International
WILC
| $13.2M | 0.02% |
396,152
-12,500
| -3% | -$403K |
2013 Q2
52 quarters
|
|
908
Avery Dennison
AVY
$13.4B
| $13.2M | 0.02% |
81,100
-7,400
| -8% | -$1.2M |
2026 Q1
1 quarter
|
|
909
Beacon Financial Corp
BBT
$2.34B
| $13.1M | 0.02% |
431,740
-138,700
| -24% | -$4.15M |
2022 Q1
17 quarters
|
|
910
John B. Sanfilippo & Son
JBSS
$770M
| $13.1M | 0.02% |
152,845
-32,500
| -18% | -$2.57M |
2018 Q1
33 quarters
|
|
911
Ultra Clean Holdings
UCTT
$2.35B
| $13.1M | 0.02% |
+91,900
| New | +$8.09M |
2026 Q2
0 quarters
|
|
912
Grupo Aeroportuario del Sureste
ASR
$7.32B
| $13.1M | 0.02% |
42,702
-7,760
| -15% | -$2.41M |
2013 Q2
52 quarters
|
|
913
LXP Industrial Trust
LXP
$3.6B
| $13.1M | 0.02% |
242,976
+82,000
| +51% | +$4.22M |
2024 Q1
9 quarters
|
|
914
Floor & Decor
FND
$4.8B
| $13M | 0.02% |
219,600
+172,100
| +362% | +$8.71M |
2026 Q1
1 quarter
|
|
915
State Street SPDR S&P Metals & Mining ETF
XME
$3.82B
| $12.9M | 0.02% |
121,100
+76,500
| +172% | +$8.98M |
2026 Q1
1 quarter
|
|
916
EverQuote
EVER
$791M
| $12.9M | 0.02% |
543,279
-398,188
| -42% | -$7.3M |
2019 Q2
28 quarters
|
|
917
Aehr Test Systems
AEHR
$2.07B
| $12.9M | 0.02% |
+134,500
| New | +$12.3M |
2026 Q2
0 quarters
|
|
918
Air Products & Chemicals
APD
$66.7B
| $12.9M | 0.02% |
+43,860
| New | +$12.8M |
2026 Q2
0 quarters
|
|
919
Ecopetrol
EC
$36.4B
| $12.8M | 0.02% |
899,400
+660,400
| +276% | +$9.6M |
2026 Q1
1 quarter
|
|
920
Korn Ferry
KFY
$4.1B
| $12.8M | 0.02% |
192,100
+134,500
| +234% | +$9.1M |
2026 Q1
1 quarter
|
|
921
Biglari Holdings Class A
BH.A
$1.38B
| $12.8M | 0.02% |
6,065
+305
| +5% | +$500K |
2023 Q1
13 quarters
|
|
922
Netskope Inc
NTSK
$8B
| $12.8M | 0.02% |
+1,166,000
| New | +$11.9M |
2026 Q2
0 quarters
|
|
923
Academy Sports + Outdoors
ASO
$3.6B
| $12.8M | 0.02% |
+270,589
| New | +$14.4M |
2026 Q2
0 quarters
|
|
924
Gulfport Energy Corp
GPOR
$2.87B
| $12.7M | 0.02% |
75,000
-62,200
| -45% | -$11.2M |
2025 Q4
2 quarters
|
|
925
Centerspace
CSR
$937M
| $12.7M | 0.02% |
225,738
-31,762
| -12% | -$2M |
2014 Q3
47 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.