SIMPLEX TRADING, LLC
Top Portfolio Positions
1,972 positions ·
$2,794,191,358 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 | 4.25% | |
| 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 | 2.78% | |
| 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 HRZN
Shares Held
Position Value (USD)
14 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $29,179 | 6,931 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $14,577 | 2,260 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $18,769 | 3,077 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $28,418 | 3,947 | Shares | Sole | 2025-08-05 | |
| 2025-03-31 | $8,355 | 887 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $30,251 | 3,365 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $42,589 | 3,999 | Shares | Sole | 2024-11-08 | |
| 2024-03-31 | $16,998 | 1,495 | Shares | Sole | 2024-04-25 | |
| 2023-09-30 | $4,953 | 417 | Shares | Sole | 2023-11-01 | |
| 2022-12-31 | $41,330 | 3,563 | Shares | Sole | 2023-02-02 | |
| 2022-03-31 | $55,627 | 4,002 | Shares | Sole | 2022-05-02 | |
| 2021-03-31 | $43,916 | 3,054 | Shares | Sole | 2021-04-26 | |
| 2020-12-31 | $100,398 | 7,583 | Shares | Sole | 2021-02-02 | |
| 2020-03-31 | $4,181 | 515 | Shares | Sole | 2020-04-29 | |
| No 13F history on record for this holder in this stock. | ||||||