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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 | |
|---|---|---|---|---|---|---|---|
876
Viridian Therapeutics
VRDN
$2.46B
| $14.1M | 0.02% |
768,600
+565,500
| +278% | +$9.11M |
2026 Q1
1 quarter
|
|
877
Tactile Systems Technology
TCMD
$523M
| $14.1M | 0.02% |
474,100
-36,797
| -7% | -$925K |
2022 Q2
16 quarters
|
|
878
Carnival Corporation Ltd
CCL
$35.8B
| $14.1M | 0.02% |
493,000
-2,105,300
| -81% | -$57.5M |
2023 Q2
12 quarters
|
|
879
Schwab US TIPS ETF
SCHP
$16.3B
| $14.1M | 0.02% |
530,600
+55,700
| +12% | +$1.49M |
2026 Q1
1 quarter
|
|
880
Saic
SAIC
$5.6B
| $14.1M | 0.02% |
127,350
+34,900
| +38% | +$3.53M |
2025 Q1
5 quarters
|
|
881
Upwork
UPWK
$1.08B
| $14.1M | 0.02% |
1,681,020
-359,300
| -18% | -$3.4M |
2019 Q3
27 quarters
|
|
882
Federal Realty Investment Trust
FRT
$9.22B
| $14M | 0.02% |
113,600
+99,300
| +694% | +$11.6M |
2026 Q1
1 quarter
|
|
883
Astronics
ATRO
$2.6B
| $14M | 0.02% |
172,220
-95,284
| -36% | -$6.5M |
2022 Q2
16 quarters
|
|
884
TFI International
TFII
$9.22B
| $14M | 0.02% |
97,200
+20,700
| +27% | +$2.92M |
2026 Q1
1 quarter
|
|
885
Webull Corp
BULL
$3.31B
| $13.9M | 0.02% |
2,135,600
+600,401
| +39% | +$3.89M |
2025 Q4
2 quarters
|
|
886
iShares 20+ Year Treasury Bond ETF
TLT
$48.2B
| $13.9M | 0.02% |
+161,086
| New | +$13.8M |
2026 Q2
0 quarters
|
|
887
Endeavour Silver
EXK
$2.48B
| $13.9M | 0.02% |
1,677,000
-225,800
| -12% | -$2.1M |
2025 Q4
2 quarters
|
|
888
Flywire
FLYW
$2.31B
| $13.9M | 0.02% |
788,400
-98,800
| -11% | -$1.46M |
2024 Q3
7 quarters
|
|
889
Ultragenyx Pharmaceutical
RARE
$1.55B
| $13.8M | 0.02% |
413,700
-148,000
| -26% | -$3.68M |
2024 Q3
7 quarters
|
|
890
Root
ROOT
$804M
| $13.7M | 0.02% |
245,281
+6,500
| +3% | +$347K |
2021 Q4
18 quarters
|
|
891
Lam Research
LRCX
$334B
| $13.7M | 0.02% |
31,600
+28,194
| +828% | +$8.56M |
2025 Q3
3 quarters
|
|
892
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$16.9B
| $13.7M | 0.02% |
171,100
+77,800
| +83% | +$6.22M |
2025 Q4
2 quarters
|
|
893
Monarch Casino & Resort
MCRI
$2.05B
| $13.7M | 0.02% |
103,808
-30,792
| -23% | -$3.59M |
2021 Q3
19 quarters
|
|
894
Xometry
XMTR
$5.22B
| $13.7M | 0.02% |
+141,500
| New | +$10.1M |
2026 Q2
0 quarters
|
|
895
Lincoln Electric
LECO
$14B
| $13.6M | 0.02% |
51,298
-12,240
| -19% | -$3.2M |
2024 Q2
8 quarters
|
|
896
IHS Holding
IHS
$2.85B
| $13.6M | 0.02% |
1,649,726
-608,374
| -27% | -$5.02M |
2021 Q4
18 quarters
|
|
897
Western New England Bancorp
WNEB
$272M
| $13.6M | 0.02% |
947,562
-53,200
| -5% | -$726K |
2013 Q2
52 quarters
|
|
898
Mueller Industries
MLI
$12.5B
| $13.5M | 0.02% |
220,400
-85,000
| -28% | -$5.57M |
2021 Q1
21 quarters
|
|
899
Coinbase
COIN
$45.5B
| $13.5M | 0.02% |
+92,600
| New | +$16.7M |
2026 Q2
0 quarters
|
|
900
Costamare
CMRE
$1.66B
| $13.5M | 0.02% |
965,225
-46,507
| -5% | -$763K |
2016 Q4
38 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.