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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 | |
|---|---|---|---|---|---|---|---|
2401
Sabre
SABR
$613M
| $827K | ﹤0.01% |
395,500
+289,300
| +272% | +$507K |
2025 Q2
4 quarters
|
|
2402
EVI Industries
EVI
$259M
| $826K | ﹤0.01% |
55,897
+39,600
| +243% | +$730K |
2023 Q4
10 quarters
|
|
2403
Kyivstar Group
KYIV
$3.2B
| $821K | ﹤0.01% |
50,800
-30,200
| -37% | -$394K |
2026 Q1
1 quarter
|
|
2404
Solid Biosciences
SLDB
$687M
| $820K | ﹤0.01% |
82,100
-42,172
| -34% | -$320K |
2025 Q3
3 quarters
|
|
2405
Cardiol Therapeutics
CRDL
$142M
| $819K | ﹤0.01% |
772,837
+543,031
| +236% | +$687K |
2026 Q1
1 quarter
|
|
2406
Knowles
KN
$2.98B
| $817K | ﹤0.01% |
19,700
-52,700
| -73% | -$1.83M |
2017 Q1
37 quarters
|
|
2407
Standard BioTools
LAB
$255M
| $816K | ﹤0.01% |
+992,058
| New | +$937K |
2026 Q2
0 quarters
|
|
2408
Orion
OEC
$298M
| $816K | ﹤0.01% |
123,096
+21,800
| +22% | +$157K |
2015 Q1
45 quarters
|
|
2409
RBB Bancorp
RBB
$446M
| $814K | ﹤0.01% |
+29,700
| New | +$712K |
2026 Q2
0 quarters
|
|
2410
Redwood Trust
RWT
$378M
| $813K | ﹤0.01% |
171,600
+134,200
| +359% | +$729K |
2026 Q1
1 quarter
|
|
2411
Westwater Resources
WWR
$53.4M
| $812K | ﹤0.01% |
1,608,790
-83,400
| -5% | -$49.4K |
2024 Q2
8 quarters
|
|
2412
Safehold
SAFE
$755M
| $812K | ﹤0.01% |
51,721
+19,864
| +62% | +$301K |
2026 Q1
1 quarter
|
|
2413
ARK Genomic Revolution ETF
ARKG
$2.09B
| $812K | ﹤0.01% |
+19,300
| New | +$615K |
2026 Q2
0 quarters
|
|
2414
iShares MSCI ACWI ETF
ACWI
$33B
| $801K | ﹤0.01% |
+5,100
| New | +$779K |
2026 Q2
0 quarters
|
|
2415
Titan America SA
TTAM
$2.49B
| $800K | ﹤0.01% |
42,894
-56,506
| -57% | -$929K |
2026 Q1
1 quarter
|
|
2416
Cognition Therapeutics
CGTX
$71M
| $797K | ﹤0.01% |
693,288
-423,848
| -38% | -$502K |
2023 Q4
10 quarters
|
|
2417
Forward Industries Inc
FWDI
$576M
| $797K | ﹤0.01% |
188,854
-211,370
| -53% | -$943K |
2013 Q2
52 quarters
|
|
2418
Freedom Holding
FRHC
$11B
| $796K | ﹤0.01% |
+6,100
| New | +$888K |
2026 Q2
0 quarters
|
|
2419
Avantis International Equity ETF
AVDE
$19.5B
| $794K | ﹤0.01% |
8,900
-17,000
| -66% | -$1.52M |
2026 Q1
1 quarter
|
|
2420
Eledon Pharmaceuticals
ELDN
$184M
| $792K | ﹤0.01% |
200,900
+176,300
| +717% | +$641K |
2015 Q4
42 quarters
|
|
2421
Crown Crafts
CRWS
$25.3M
| $791K | ﹤0.01% |
278,642
+21,300
| +8% | +$58.9K |
2013 Q2
52 quarters
|
|
2422
Digital Realty Trust
DLR
$65.4B
| $790K | ﹤0.01% |
4,400
-28,500
| -87% | -$5.46M |
2024 Q2
8 quarters
|
|
2423
Butterfly Network
BFLY
$1.89B
| $790K | ﹤0.01% |
+93,822
| New | +$486K |
2026 Q2
0 quarters
|
|
2424
Vanguard S&P 500 Value ETF
VOOV
$6.84B
| $789K | ﹤0.01% |
+3,600
| New | +$777K |
2026 Q2
0 quarters
|
|
2425
Coherus Oncology
CHRS
$158M
| $788K | ﹤0.01% |
563,056
+231,356
| +70% | +$378K |
2025 Q1
5 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.