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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 | |
|---|---|---|---|---|---|---|---|
2601
First Trust Smith Opportunistic Fixed Income ETF
FIXD
$2.86B
| $515K | ﹤0.01% |
11,800
+5,600
| +90% | +$244K |
2026 Q1
1 quarter
|
|
2602
AH Realty Trust
AHRT
$442M
| $515K | ﹤0.01% |
72,682
-117,361
| -62% | -$753K |
2013 Q4
50 quarters
|
|
2603
ImageneBio Inc
IMA
$46.3M
| $513K | ﹤0.01% |
86,930
+5,234
| +6% | +$29.6K |
2024 Q1
9 quarters
|
|
2604
BranchOut Food
BOF
$34.6M
| $512K | ﹤0.01% |
111,400
+30,973
| +39% | +$117K |
2025 Q4
2 quarters
|
|
2605
Faeth Therapeutics
FTH
$532M
| $510K | ﹤0.01% |
20,416
-11,625
| -36% | -$269K |
2025 Q3
3 quarters
|
|
2606
Yatra Online
YTRA
$61M
| $508K | ﹤0.01% |
538,536
+4,480
| +0.8% | +$4.36K |
2018 Q2
32 quarters
|
|
2607
Funko
FNKO
$385M
| $507K | ﹤0.01% |
86,300
+42,800
| +98% | +$206K |
2026 Q1
1 quarter
|
|
2608
DELISTED
Esperion Therapeutics
ESPR
| $506K | ﹤0.01% |
160,200
-1,459,900
| -90% | -$4.08M |
2025 Q2
4 quarters
|
|
2609
Pioneer Power Solutions
PPSI
$28.3M
| $498K | ﹤0.01% |
126,488
+62,288
| +97% | +$245K |
2025 Q2
4 quarters
|
|
2610
RLX Technology
RLX
$2.05B
| $498K | ﹤0.01% |
262,200
-636,160
| -71% | -$1.32M |
2026 Q1
1 quarter
|
|
2611
Old Second Bancorp
OSBC
$1.27B
| $495K | ﹤0.01% |
21,221
-69,004
| -76% | -$1.48M |
2013 Q2
52 quarters
|
|
2612
Investors Title Co
ITIC
$548M
| $495K | ﹤0.01% |
1,807
-5,300
| -75% | -$1.28M |
2013 Q3
51 quarters
|
|
2613
Quantum-Si Incorporated
QSI
$269M
| $490K | ﹤0.01% |
553,871
+435,971
| +370% | +$415K |
2026 Q1
1 quarter
|
|
2614
Compass Minerals
CMP
$917M
| $489K | ﹤0.01% |
15,700
-157,211
| -91% | -$4.45M |
2025 Q3
3 quarters
|
|
2615
Summit Hotel Properties
INN
$759M
| $486K | ﹤0.01% |
69,400
+53,900
| +348% | +$298K |
2026 Q1
1 quarter
|
|
2616
Amplify CWP Enhanced Dividend Income ETF
DIVO
$8.05B
| $486K | ﹤0.01% |
10,627
-18,173
| -63% | -$832K |
2025 Q2
4 quarters
|
|
2617
IRIDEX
IRIX
$13.5M
| $485K | ﹤0.01% |
423,542
+26,915
| +7% | +$28.8K |
2013 Q2
52 quarters
|
|
2618
State Street SPDR S&P 600 Small Cap Value ETF
SLYV
$4.75B
| $483K | ﹤0.01% |
+4,428
| New | +$456K |
2026 Q2
0 quarters
|
|
2619
Direxion Daily Financial Bear 3x ETF
FAZ
$85.3M
| $473K | ﹤0.01% |
+12,000
| New | +$525K |
2026 Q2
0 quarters
|
|
2620
Cass Information Systems
CASS
$703M
| $473K | ﹤0.01% |
9,210
-46,650
| -84% | -$2.21M |
2025 Q2
4 quarters
|
|
2621
McEwen Inc
MUX
$972M
| $471K | ﹤0.01% |
+26,000
| New | +$562K |
2026 Q2
0 quarters
|
|
2622
Vanguard Core Bond ETF
VCRB
$7.63B
| $471K | ﹤0.01% |
6,100
+3,500
| +135% | +$270K |
2026 Q1
1 quarter
|
|
2623
Filana Therapeutics
FLNA
$31.8M
| $464K | ﹤0.01% |
389,601
+62,842
| +19% | +$89.5K |
2026 Q1
1 quarter
|
|
2624
Cue Biopharma
CUE
$138M
| $464K | ﹤0.01% |
14,689
+7,561
| +106% | +$171K |
2025 Q1
5 quarters
|
|
2625
PLAYSTUDIOS Inc
MYPS
$43.4M
| $463K | ﹤0.01% |
92,793
+31,596
| +52% | +$152K |
2022 Q2
16 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.