SIMPLEX TRADING, LLC
Top Portfolio Positions
1,975 positions ·
$2,814,452,923 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| NVDA |
Nvidia Corp
Technology
|
1,509,153 | $263,196,283 | 9.35% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
764,884 | $159,302,390 | 5.66% | |
| SPY |
Spdr S&P 500 ETF Trust
|
202,806 | $131,892,854 | 4.69% | |
| META |
Meta Platforms, Inc.
Communication Services
|
229,853 | $131,505,796 | 4.67% | |
| TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Technology
|
351,805 | $118,892,499 | 4.22% | |
| GLD |
Spdr Gold Trust
|
230,612 | $99,230,037 | 3.53% | |
| GOOGL |
Alphabet Inc.
Communication Services
|
296,315 | $85,208,341 | 3.03% | |
| UNH |
Unitedhealth Group Inc
Healthcare
|
287,580 | $77,816,272 | 2.76% | |
| ORCL |
Oracle Corp
Technology
|
514,658 | $75,711,338 | 2.69% | |
| AMD |
Advanced Micro Devices Inc
Technology
|
260,622 | $53,018,333 | 1.88% |
Portfolio Trend
25 quarters · across all stocks
Holdings in REFR
Shares Held
Position Value (USD)
11 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $305 | 332 | Shares | Sole | 2026-05-14 | |
| 2024-06-30 | $296 | 161 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $2,990 | 2,300 | Shares | Sole | 2024-04-25 | |
| 2023-12-31 | $3,856 | 3,818 | Shares | Sole | 2024-02-02 | |
| 2023-09-30 | $102 | 95 | Shares | Sole | 2023-11-01 | |
| 2023-06-30 | $160 | 100 | Shares | Sole | 2023-08-04 | |
| 2021-03-31 | $42,920 | 15,113 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $44,263 | 15,752 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $42,057 | 15,577 | Shares | Sole | 2020-10-14 | |
| 2020-06-30 | $59,560 | 14,670 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $31,880 | 13,624 | Shares | Sole | 2020-04-29 | |
| No 13F history on record for this holder in this stock. | ||||||