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 ATYR
Shares Held
Position Value (USD)
10 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,041 | 1,335 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $20,535 | 26,227 | Shares | Sole | 2026-02-11 | |
| 2025-06-30 | $46,659 | 9,203 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $292,493 | 96,852 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $47,642 | 13,161 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $1,390 | 790 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $2,907 | 1,864 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $11,740 | 6,021 | Shares | Sole | 2024-04-25 | |
| 2023-09-30 | $14,270 | 9,032 | Shares | Sole | 2023-11-01 | |
| 2022-12-31 | $26,748 | 12,214 | Shares | Sole | 2023-02-02 | |
| No 13F history on record for this holder in this stock. | ||||||