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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 | |
|---|---|---|---|---|---|---|---|
1176
DELISTED
Cosan
CSAN
| $8.06M | 0.01% |
2,799,382
-1,011,287
| -27% | -$3.58M |
2021 Q1
21 quarters
|
|
1177
Fate Therapeutics
FATE
$247M
| $8.05M | 0.01% |
2,983,268
+8,585
| +0.3% | +$15.9K |
2025 Q2
4 quarters
|
|
1178
Dyne Therapeutics
DYN
$3.04B
| $8.01M | 0.01% |
360,572
-173,028
| -32% | -$3.22M |
2025 Q3
3 quarters
|
|
1179
Hope Bancorp
HOPE
$1.74B
| $8.01M | 0.01% |
585,306
-72,340
| -11% | -$907K |
2021 Q4
18 quarters
|
|
1180
Editas Medicine
EDIT
$396M
| $8M | 0.01% |
2,468,919
-1,503,241
| -38% | -$4.39M |
2024 Q4
6 quarters
|
|
1181
Alight
ALIT
$227M
| $8M | 0.01% |
714,190
+413,243
| +137% | +$5.85M |
2025 Q4
2 quarters
|
|
1182
Allogene Therapeutics
ALLO
$460M
| $7.98M | 0.01% |
3,834,312
+1,694,984
| +79% | +$3.72M |
2022 Q4
14 quarters
|
|
1183
AdaptHealth
AHCO
$814M
| $7.96M | 0.01% |
764,342
+535,969
| +235% | +$5.98M |
2025 Q1
5 quarters
|
|
1184
Fiverr
FVRR
$307M
| $7.92M | 0.01% |
767,359
+35,700
| +5% | +$379K |
2020 Q1
25 quarters
|
|
1185
Banco Santander Chile
BSAC
$15.6B
| $7.9M | 0.01% |
239,991
-303,838
| -56% | -$9.8M |
2015 Q3
43 quarters
|
|
1186
Associated Banc-Corp
ASB
$5.49B
| $7.9M | 0.01% |
256,731
+93,099
| +57% | +$2.62M |
2024 Q4
6 quarters
|
|
1187
Hornbeck Offshore Services, Inc.
HOS
$2.18B
| $7.88M | 0.01% |
902,127
-64,400
| -7% | -$619K |
2021 Q1
21 quarters
|
|
1188
QuantumScape Corp
QS
$2.46B
| $7.87M | 0.01% |
1,041,300
-7,010,500
| -87% | -$52.6M |
2025 Q4
2 quarters
|
|
1189
NewMarket
NEU
$8.09B
| $7.86M | 0.01% |
9,932
-23,168
| -70% | -$16.7M |
2018 Q4
30 quarters
|
|
1190
State Street Financial Select Sector SPDR ETF
XLF
$51.8B
| $7.85M | 0.01% |
146,510
-2,569,800
| -95% | -$134M |
2024 Q4
6 quarters
|
|
1191
Zentalis Pharmaceuticals
ZNTL
$226M
| $7.8M | 0.01% |
1,609,078
-329,067
| -17% | -$1.31M |
2023 Q1
13 quarters
|
|
1192
Imperial Oil
IMO
$65.3B
| $7.8M | 0.01% |
69,595
+67,795
| +3,766% | +$8.49M |
2025 Q4
2 quarters
|
|
1193
AbCellera Biologics
ABCL
$3.79B
| $7.78M | 0.01% |
990,929
-519,700
| -34% | -$2.54M |
2021 Q2
20 quarters
|
|
1194
Ollie's Bargain Outlet
OLLI
$5.5B
| $7.77M | 0.01% |
+101,100
| New | +$8.43M |
2026 Q2
0 quarters
|
|
1195
Fortuna Silver Mines
FSM
$3.07B
| $7.77M | 0.01% |
919,400
+14,000
| +2% | +$136K |
2022 Q1
17 quarters
|
|
1196
Atlantic Union Bankshares
AUB
$5.46B
| $7.75M | 0.01% |
+183,102
| New | +$6.99M |
2026 Q2
0 quarters
|
|
1197
Frequency Electronics
FEIM
$724M
| $7.73M | 0.01% |
116,461
-38,637
| -25% | -$2.38M |
2013 Q2
52 quarters
|
|
1198
Gold Royalty Corp
GROY
$679M
| $7.71M | 0.01% |
2,791,973
+775,148
| +38% | +$2.55M |
2024 Q2
8 quarters
|
|
1199
Erie Indemnity
ERIE
$12.9B
| $7.67M | 0.01% |
31,991
+13,860
| +76% | +$3.18M |
2025 Q3
3 quarters
|
|
1200
Information Services Group
III
$282M
| $7.66M | 0.01% |
1,863,237
-25,715
| -1% | -$108K |
2013 Q2
52 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.