SIMPLEX TRADING, LLC
Top Portfolio Positions
1,974 positions ·
$2,800,875,563 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| NVDA |
Nvidia Corp
Technology
|
1,509,153 | $263,196,283 | 9.40% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
764,884 | $159,302,390 | 5.69% | |
| SPY |
Spdr S&P 500 ETF Trust
|
202,806 | $131,892,854 | 4.71% | |
| META |
Meta Platforms, Inc.
Communication Services
|
229,853 | $131,505,796 | 4.70% | |
| TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Technology
|
351,805 | $118,892,499 | 4.24% | |
| GLD |
Spdr Gold Trust
|
230,612 | $99,230,037 | 3.54% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
296,315 | $85,208,341 | 3.04% | |
| UNH |
Unitedhealth Group Inc
Healthcare
|
287,580 | $77,816,272 | 2.78% | |
| ORCL |
Oracle Corp
Technology
|
514,658 | $75,711,338 | 2.70% | |
| AMD |
Advanced Micro Devices Inc
Technology
|
260,622 | $53,018,333 | 1.89% |
Portfolio Trend
25 quarters · across all stocks
Holdings in UDN
Shares Held
Position Value (USD)
17 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $548,658 | 30,481 | Shares | Sole | 2026-05-14 | |
| 2025-03-31 | $213,688 | 12,176 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $91,771 | 5,492 | Shares | Sole | 2025-02-11 | |
| 2024-06-30 | $148,713 | 8,308 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $215,844 | 11,998 | Shares | Sole | 2024-04-25 | |
| 2023-12-31 | $365,559 | 19,835 | Shares | Sole | 2024-02-02 | |
| 2022-12-31 | $1,555,276 | 84,069 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $2,512,466 | 146,842 | Shares | Sole | 2022-11-04 | |
| 2022-06-30 | $447,292 | 24,283 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $670,647 | 34,147 | Shares | Sole | 2022-05-02 | |
| 2021-12-31 | $811,138 | 40,076 | Shares | Sole | 2022-02-23 | |
| 2021-09-30 | $842,821 | 40,874 | Shares | Sole | 2021-10-28 | |
| 2021-06-30 | $863,731 | 40,974 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $974,463 | 46,536 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $1,857,155 | 85,308 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $2,119,791 | 101,474 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $72,767 | 3,597 | Shares | Sole | 2020-07-13 | |
| No 13F history on record for this holder in this stock. | ||||||