GROUP ONE TRADING LLC
Top Portfolio Positions
1,828 positions ·
$2,528,937,297 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| MU |
Micron Technology Inc
Technology
|
155,688 | $52,597,633 | 2.08% | |
| TSM |
Taiwan Semiconductor Manufacturing Co Ltd
Technology
|
138,053 | $46,655,011 | 1.84% | |
| AG |
First Majestic Silver Corp
Basic Materials
|
1,934,908 | $41,561,823 | 1.64% | |
| MAR |
Marriott International Inc /Md/
Consumer Cyclical
|
105,864 | $34,624,938 | 1.37% | |
| PBR |
Petrobras - Petroleo Brasileiro SA
Energy
|
1,581,009 | $32,805,936 | 1.30% | |
| KKR |
KKR & Co. Inc.
Financial Services
|
334,894 | $30,977,695 | 1.22% | |
| CYTK |
Cytokinetics Inc
Healthcare
|
363,997 | $23,991,042 | 0.95% | |
| CDE |
Coeur Mining, Inc.
Basic Materials
|
1,220,454 | $22,907,921 | 0.91% | |
| INTC |
Intel Corp
Technology
|
469,490 | $20,718,593 | 0.82% | |
| VST |
Vistra Corp.
Utilities
|
133,945 | $20,135,951 | 0.80% |
Portfolio Trend
25 quarters · across all stocks
Holdings in SERV
Shares Held
Position Value (USD)
7 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $488,422 | 57,870 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $2,762,263 | 266,114 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,979,071 | 256,154 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,903,014 | 253,760 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $213,951 | 37,209 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $182,196 | 13,496 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $377,966 | 47,543 | Shares | Sole | 2024-11-14 | |
| No 13F history on record for this holder in this stock. | ||||||