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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 | |
|---|---|---|---|---|---|---|---|
3026
DELISTED
SPAR Group
SGRP
| $63.6K | ﹤0.01% |
76,941
-48,367
| -39% | -$33.4K |
2020 Q4
22 quarters
|
|
3027
Smith Micro Software
SMSI
$13.5M
| $63.3K | ﹤0.01% |
23,625
+296
| +1% | +$1.1K |
2020 Q4
22 quarters
|
|
|
FBGL
3028
FBS Global
FBGL
$3.39M
| $62.9K | ﹤0.01% |
12,329
-2,120
| -15% | -$12.3K |
2025 Q4
2 quarters
|
|
3029
Beamr Imaging
BMR
$25.2M
| $62.7K | ﹤0.01% |
44,800
-200
| -0.4% | -$350 |
2025 Q3
3 quarters
|
|
3030
Tandy Leather Factory
TLF
$19M
| $62.7K | ﹤0.01% |
26,912
+10,212
| +61% | +$24K |
2025 Q1
5 quarters
|
|
3031
Aligos Therapeutics
ALGS
$31.7M
| $62.3K | ﹤0.01% |
10,800
-89,650
| -89% | -$554K |
2021 Q3
19 quarters
|
|
|
AIFA
3032
All In FutureTech Alliance Inc
AIFA
$26M
| $61.2K | ﹤0.01% |
27,453
+6,221
| +29% | +$16.6K |
2022 Q2
16 quarters
|
|
3033
Roadzen
RDZN
$89.4M
| $60.5K | ﹤0.01% |
+41,441
| New | +$65.8K |
2026 Q2
0 quarters
|
|
3034
ATA Creativity
AACG
$28.1M
| $60.2K | ﹤0.01% |
58,444
-2,200
| -4% | -$2.4K |
2020 Q4
22 quarters
|
|
3035
Hydrofarm Holdings
HYFM
$3.62M
| $59.8K | ﹤0.01% |
70,363
-1,800
| -2% | -$1.76K |
2021 Q4
18 quarters
|
|
3036
Mind CTI
MNDO
$18.4M
| $59.7K | ﹤0.01% |
57,952
+35,478
| +158% | +$35.7K |
2026 Q1
1 quarter
|
|
3037
Oncolytics Biotech
ONCY
$68.1M
| $58.9K | ﹤0.01% |
62,010
-653,828
| -91% | -$606K |
2026 Q1
1 quarter
|
|
3038
Moving iMage Technologies
MITQ
$5.18M
| $58.8K | ﹤0.01% |
101,400
-21,000
| -17% | -$12.6K |
2022 Q1
17 quarters
|
|
3039
Claros Mortgage Trust
CMTG
$159M
| $58K | ﹤0.01% |
24,700
-24,100
| -49% | -$59.1K |
2025 Q3
3 quarters
|
|
3040
Bionano Genomics
BNGO
$14.8M
| $57.7K | ﹤0.01% |
51,100
+2,400
| +5% | +$2.89K |
2025 Q4
2 quarters
|
|
3041
Dolphin Entertainment
DLPN
$13M
| $56.9K | ﹤0.01% |
49,500
-25,500
| -34% | -$33.6K |
2021 Q4
18 quarters
|
|
3042
Nyxoah
NYXH
$95.8M
| $56.6K | ﹤0.01% |
+33,480
| New | +$88.3K |
2026 Q2
0 quarters
|
|
3043
111 Inc
YI
$27.7M
| $56K | ﹤0.01% |
12,914
-100
| -0.8% | -$563 |
2020 Q1
25 quarters
|
|
3044
Twenty One Capital Inc
XXI
$2B
| $54.9K | ﹤0.01% |
+11,100
| New | +$77.9K |
2026 Q2
0 quarters
|
|
3045
One and One Green Technologies
YDDL
$68.9M
| $53.7K | ﹤0.01% |
+26,600
| New | +$125K |
2026 Q2
0 quarters
|
|
3046
MicroCloud Hologram
HOLO
$28.6M
| $53.3K | ﹤0.01% |
+34,621
| New | +$63.7K |
2026 Q2
0 quarters
|
|
3047
Myomo
MYO
$51.5M
| $50.4K | ﹤0.01% |
48,500
+24,900
| +106% | +$24.3K |
2026 Q1
1 quarter
|
|
3048
Sonoma Pharmaceuticals
SNOA
$5.55M
| $49.8K | ﹤0.01% |
+40,468
| New | +$57.8K |
2026 Q2
0 quarters
|
|
3049
INmune Bio
INMB
$45.2M
| $48.4K | ﹤0.01% |
29,700
+12,700
| +75% | +$17.6K |
2026 Q1
1 quarter
|
|
3050
BioLineRX
BLRX
$9.9M
| $48.1K | ﹤0.01% |
+15,412
| New | +$44.7K |
2026 Q2
0 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.