GROUP ONE TRADING LLC
All 13F Filings
- Location
- Chicago, IL
- Most recent 13F
- Q2 2026
- Holdings value ($000)
- 71,081,489
- Description
- Group One Trading is a trading firm with its own institutional securities disclosure history. This SEC 13F record follows Group One Trading LLC under CIK 932540. Its quarterly positions should not be treated as a complete trading book or a record of every hedge and transaction between reporting dates.
- Website
- https://group1.com/
- Founded
- 1989
- Chairman
- —
- CEO
- —
- All SEC filings
- View on sec.gov
Sector allocation over time (stocks only)
Stacked by quarter. Hover to see detailed sector breakdown for any quarter.
| Quarter | Date Filed | Holdings | Value ($000) | Form Type | Name |
|---|---|---|---|---|---|
| Q2 2026 | 8/13/2026 | 8,023 | 71,081,489 | 13F-HR | GROUP ONE TRADING LLC |
| Q1 2026 | 5/13/2026 | 8,005 | 52,178,974 | 13F-HR | GROUP ONE TRADING LLC |
| Q4 2025 | 2/12/2026 | 8,543 | 57,279,336 | 13F-HR | GROUP ONE TRADING LLC |
| Q3 2025 | 11/12/2025 | 8,848 | 56,876,472 | 13F-HR | GROUP ONE TRADING LLC |
| Q2 2025 | 8/14/2025 | 8,339 | 45,197,587 | 13F-HR | GROUP ONE TRADING LLC |
| Q1 2025 | 5/14/2025 | 7,873 | 34,471,364 | 13F-HR | GROUP ONE TRADING LLC |
| Q4 2024 | 5/14/2025 | 7,517 | 43,689,327 | 13F-HR/A - RESTATEMENT | GROUP ONE TRADING LLC |
| Q4 2024 | 2/14/2025 | 6,549 | 40,478,085 | 13F-HR | GROUP ONE TRADING LLC |
| Q3 2024 | 11/14/2024 | 6,541 | 35,079,150 | 13F-HR | GROUP ONE TRADING LLC |
| Q2 2024 | 8/14/2024 | 6,607 | 25,799,949 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q1 2024 | 5/10/2024 | 6,911 | 26,035,705 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q4 2023 | 2/14/2024 | 7,275 | 38,031,919 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q3 2023 | 11/9/2023 | 7,549 | 29,762,799 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q2 2023 | 8/9/2023 | 7,575 | 31,160,707 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q1 2023 | 5/12/2023 | 7,108 | 27,697,043 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q4 2022 | 2/9/2023 | 7,132 | 42,987,273 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q3 2022 | 11/9/2022 | 7,595 | 50,881,726 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q2 2022 | 8/11/2022 | 7,842 | 63,825,138 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q1 2022 | 5/12/2022 | 8,026 | 100,993,552 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q4 2021 | 2/11/2022 | 8,228 | 124,531,775 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q3 2021 | 11/12/2021 | 8,294 | 92,594,002 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q2 2021 | 8/10/2021 | 8,103 | 82,901,534 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q1 2021 | 5/12/2021 | 7,548 | 67,517,019 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q4 2020 | 2/10/2021 | 6,453 | 57,814,707 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q3 2020 | 11/12/2020 | 6,077 | 31,844,051 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q2 2020 | 8/13/2020 | 5,779 | 21,663,163 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q1 2020 | 5/13/2020 | 5,255 | 12,333,872 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q4 2019 | 2/10/2020 | 5,086 | 14,694,512 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q1 2014 | 5/7/2014 | 5,157 | 5,945,044 | 13F-HR | GROUP ONE TRADING, L.P. |
| Q4 2013 | 1/31/2014 | 5,213 | 6,624,863 | 13F-HR | GROUP ONE TRADING, L.P. |
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Money flow by instrument (QoQ, ex-options)
Derivatives reported exposure ($000):
67.61 M
(95.1% of total reported value)
· QoQ Δ:
+18.46 M
| Type | Value ($000) | Share % | Inflow | Outflow | Net |
|---|---|---|---|---|---|
| Stocks | 2.932 M | 84.5% | 340.1 K | 0 | 340.1 K |
| ETFs | 536.9 K | 15.5% | 100.9 K | 0 | 100.9 K |
| Other | 137 | 0.0% | 0 | 203 | -203 |
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Fund Snapshot
Q2 2026
Latest filed
8/13/2026
Total value ($000)
71,081,489
Holdings
8023
QoQ value change ($000)
18,902,515
(36.2%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology:
sector allocation is stocks-only;
instrument flow table is ex-options;
options exposure is shown separately.
Details.