SIMPLEX TRADING, LLC
Top Portfolio Positions
1,964 positions ·
$2,793,774,578 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| NVDA |
Nvidia Corp
Technology
|
1,509,153 | $263,196,283 | 9.42% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
764,884 | $159,302,390 | 5.70% | |
| SPY |
Spdr S&P 500 ETF Trust
|
202,806 | $131,892,854 | 4.72% | |
| META |
Meta Platforms, Inc.
Communication Services
|
229,853 | $131,505,796 | 4.71% | |
| TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Technology
|
351,805 | $118,892,499 | 4.26% | |
| GLD |
Spdr Gold Trust
|
230,612 | $99,230,037 | 3.55% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
296,315 | $85,208,341 | 3.05% | |
| UNH |
Unitedhealth Group Inc
Healthcare
|
287,580 | $77,816,272 | 2.79% | |
| ORCL |
Oracle Corp
Technology
|
514,658 | $75,711,338 | 2.71% | |
| AMD |
Advanced Micro Devices Inc
Technology
|
260,622 | $53,018,333 | 1.90% |
Portfolio Trend
Holdings in SIEB
Shares Held
Position Value (USD)
20 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $48 | 25 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $122 | 35 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $1,620 | 555 | Shares | Sole | 2025-11-12 | |
| 2025-03-31 | $11,745 | 3,902 | Shares | Sole | 2025-05-12 | |
| 2024-06-30 | $5,564 | 3,198 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $386 | 183 | Shares | Sole | 2024-04-25 | |
| 2023-12-31 | $1,181 | 703 | Shares | Sole | 2024-02-02 | |
| 2023-06-30 | $820 | 331 | Shares | Sole | 2023-08-04 | |
| 2023-03-31 | $3,038 | 1,591 | Shares | Sole | 2023-04-27 | |
| 2022-12-31 | $3,387 | 2,491 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $37 | 25 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $3,434 | 2,216 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $7,449 | 3,449 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $21,105 | 9,097 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $6,800 | 2,030 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $7,330 | 1,524 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $27,892 | 6,887 | Shares | Sole | 2021-04-26 | |
| 2020-09-30 | $25,778 | 7,981 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $14,785 | 2,922 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $722 | 100 | Shares | Sole | 2020-04-29 | |
| No 13F history on record for this holder in this stock. | ||||||