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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 | |
|---|---|---|---|---|---|---|---|
2926
Quest Resource Holding
QRHC
$25.1M
| $155K | ﹤0.01% |
122,892
-5,900
| -5% | -$7.1K |
2015 Q3
43 quarters
|
|
2927
HF Foods Group
HFFG
$83.4M
| $155K | ﹤0.01% |
109,800
-17,800
| -14% | -$34.4K |
2020 Q2
24 quarters
|
|
2928
Lulu's Fashion Lounge
LVLU
$30.9M
| $155K | ﹤0.01% |
18,764
-11,901
| -39% | -$110K |
2025 Q4
2 quarters
|
|
2929
Tuniu
TOUR
$53.1M
| $153K | ﹤0.01% |
31,741
+13,849
| +77% | +$83.8K |
2017 Q1
37 quarters
|
|
2930
Waterdrop
WDH
$363M
| $152K | ﹤0.01% |
134,327
+76,370
| +132% | +$116K |
2026 Q1
1 quarter
|
|
2931
Biofrontera
BFRI
$11.9M
| $149K | ﹤0.01% |
+157,505
| New | +$156K |
2026 Q2
0 quarters
|
|
2932
Alset
AEI
$22.5M
| $149K | ﹤0.01% |
103,366
-3,900
| -4% | -$6.19K |
2021 Q4
18 quarters
|
|
2933
AquaBounty Technologies
AQB
$5.92M
| $148K | ﹤0.01% |
138,163
+23,916
| +21% | +$23.3K |
2021 Q4
18 quarters
|
|
2934
Immersion
IMMR
$238M
| $146K | ﹤0.01% |
+21,500
| New | +$136K |
2026 Q2
0 quarters
|
|
2935
Loop Industries
LOOP
$15.2M
| $145K | ﹤0.01% |
151,100
+2,439
| +2% | +$3.04K |
2025 Q2
4 quarters
|
|
2936
Arcturus Therapeutics
ARCT
$312M
| $144K | ﹤0.01% |
21,400
-156,900
| -88% | -$1.24M |
2025 Q4
2 quarters
|
|
2937
Ark Restaurants
ARKR
$15.9M
| $141K | ﹤0.01% |
24,011
-1,200
| -5% | -$7.97K |
2013 Q2
52 quarters
|
|
2938
Hain Celestial
HAIN
$21.1M
| $140K | ﹤0.01% |
250,400
+34,300
| +16% | +$25.4K |
2024 Q3
7 quarters
|
|
2939
Broadway Financial
BYFC
$105M
| $140K | ﹤0.01% |
14,470
+200
| +1% | +$1.82K |
2021 Q3
19 quarters
|
|
2940
Seritage Growth Properties
SRG
$90.1M
| $139K | ﹤0.01% |
+52,700
| New | +$139K |
2026 Q2
0 quarters
|
|
2941
InnSuites Hospitality Trust
IHT
$12.3M
| $138K | ﹤0.01% |
81,203
-5,700
| -7% | -$7.52K |
2020 Q1
25 quarters
|
|
2942
Castor Maritime
CTRM
$15.5M
| $136K | ﹤0.01% |
64,817
-9,052
| -12% | -$18K |
2019 Q3
27 quarters
|
|
2943
VirTra
VTSI
$29.8M
| $135K | ﹤0.01% |
43,000
-2,100
| -5% | -$7.99K |
2021 Q3
19 quarters
|
|
2944
PodcastOne
PODC
$50.8M
| $134K | ﹤0.01% |
+29,903
| New | +$107K |
2026 Q2
0 quarters
|
|
2945
MDxHealth
MDXH
$18.5M
| $133K | ﹤0.01% |
325,084
+20,384
| +7% | +$27.4K |
2024 Q3
7 quarters
|
|
2946
Verrica Pharmaceuticals
VRCA
$59.6M
| $133K | ﹤0.01% |
21,769
-10,591
| -33% | -$66K |
2025 Q2
4 quarters
|
|
2947
UTStarcom
UTSI
$21.8M
| $133K | ﹤0.01% |
53,488
-4,100
| -7% | -$10.6K |
2013 Q2
52 quarters
|
|
2948
SemiLEDS
LEDS
$16.1M
| $132K | ﹤0.01% |
79,106
+17,406
| +28% | +$30.9K |
2024 Q1
9 quarters
|
|
2949
Bluerock Homes Trust
BHM
$32.9M
| $130K | ﹤0.01% |
14,500
-499
| -3% | -$5.22K |
2023 Q4
10 quarters
|
|
2950
ATRenew
RERE
$886M
| $130K | ﹤0.01% |
33,652
-471,294
| -93% | -$2.09M |
2026 Q1
1 quarter
|
|
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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.