| Quarter | Holdings | Value ($000) | Form Type | Date Filed | Filing ID | Name |
|---|---|---|---|---|---|---|
| Q2 2023 | 7,575 | 31,160,706 | 13F-HR | 8/9/2023 | 000093254023000008 | GROUP ONE TRADING, L.P. |
| Q1 2023 | 7,108 | 27,697,042 | 13F-HR | 5/12/2023 | 000093254023000006 | GROUP ONE TRADING, L.P. |
| Q4 2022 | 7,132 | 42,987,273 | 13F-HR | 2/9/2023 | 000093254023000002 | GROUP ONE TRADING, L.P. |
| Q3 2022 | 7,595 | 50,881,726 | 13F-HR | 11/9/2022 | 000093254022000007 | GROUP ONE TRADING, L.P. |
| Q2 2022 | 7,842 | 63,825,138 | 13F-HR | 8/11/2022 | 000093254022000006 | GROUP ONE TRADING, L.P. |
| Q1 2022 | 8,026 | 100,993,552 | 13F-HR | 5/11/2022 | 000093254022000002 | GROUP ONE TRADING, L.P. |
| Q4 2021 | 8,228 | 124,531,775 | 13F-HR | 2/11/2022 | 000093254022000001 | GROUP ONE TRADING, L.P. |
| Q3 2021 | 8,294 | 92,594,002 | 13F-HR | 11/12/2021 | 000093254021000005 | GROUP ONE TRADING, L.P. |
| Q2 2021 | 8,103 | 82,901,534 | 13F-HR | 8/10/2021 | 000093254021000004 | GROUP ONE TRADING, L.P. |
| Q1 2021 | 7,548 | 67,517,019 | 13F-HR | 5/11/2021 | 000093254021000002 | GROUP ONE TRADING, L.P. |
| Q4 2020 | 6,453 | 57,814,707 | 13F-HR | 2/10/2021 | 000093254021000001 | GROUP ONE TRADING, L.P. |
| Q3 2020 | 6,077 | 31,844,051 | 13F-HR | 11/12/2020 | 000093254020000005 | GROUP ONE TRADING, L.P. |
| Q2 2020 | 5,779 | 21,663,163 | 13F-HR | 8/13/2020 | 000093254020000003 | GROUP ONE TRADING, L.P. |
| Q1 2020 | 5,255 | 12,333,872 | 13F-HR | 5/13/2020 | 000093254020000002 | GROUP ONE TRADING, L.P. |
| Q4 2019 | 5,086 | 14,694,512 | 13F-HR | 2/10/2020 | 000093254020000001 | GROUP ONE TRADING, L.P. |
| Q3 2019 | 5,114 | 12,378,991 | 13F-HR | 11/12/2019 | 000093254019000013 | GROUP ONE TRADING, L.P. |
| Q2 2019 | 4,933 | 11,050,793 | 13F-HR | 8/9/2019 | 000093254019000011 | GROUP ONE TRADING, L.P. |
| Q1 2019 | 4,769 | 8,968,084 | RESTATEMENT | 5/14/2019 | 000093254019000007 | GROUP ONE TRADING, L.P. |
| Q1 2019 | 4,769 | 16,672,956 | 13F-HR | 5/13/2019 | 000093254019000006 | GROUP ONE TRADING, L.P. |
| Q4 2018 | 4,844 | 11,535,824 | 13F-HR | 2/6/2019 | 000093254019000003 | GROUP ONE TRADING, L.P. |
| Q3 2018 | 5,172 | 12,655,008 | 13F-HR | 11/8/2018 | 000093254018000009 | GROUP ONE TRADING, L.P. |
| Q2 2018 | 5,072 | 11,693,680 | 13F-HR | 8/14/2018 | 000093254018000006 | GROUP ONE TRADING, L.P. |
| Q1 2018 | 4,806 | 9,936,775 | RESTATEMENT | 5/17/2018 | 000093254018000003 | GROUP ONE TRADING, L.P. |
| Q1 2018 | 4,806 | 10,535,265 | 13F-HR | 5/11/2018 | 000093254018000002 | GROUP ONE TRADING, L.P. |
| Q4 2017 | 4,816 | 14,229,028 | 13F-HR | 2/9/2018 | 000093254018000001 | GROUP ONE TRADING, L.P. |
| Q3 2017 | 4,795 | 11,011,607 | 13F-HR | 11/15/2017 | 000093254017000007 | GROUP ONE TRADING, L.P. |
| Q2 2017 | 4,726 | 9,624,309 | 13F-HR | 8/14/2017 | 000093254017000006 | GROUP ONE TRADING, L.P. |
| Q1 2017 | 4,605 | 8,588,972 | 13F-HR | 5/10/2017 | 000093254017000004 | GROUP ONE TRADING, L.P. |
| Q4 2016 | 4,408 | 10,310,067 | 13F-HR | 2/15/2017 | 000093254017000002 | GROUP ONE TRADING, L.P. |
| Q3 2016 | 4,531 | 9,214,013 | 13F-HR | 11/14/2016 | 000093254016000025 | GROUP ONE TRADING, L.P. |
| Q2 2016 | 4,616 | 8,452,428 | 13F-HR | 8/12/2016 | 000093254016000023 | GROUP ONE TRADING, L.P. |
| Q1 2016 | 4,548 | 7,083,142 | 13F-HR | 5/12/2016 | 000093254016000021 | GROUP ONE TRADING, L.P. |
| Q4 2015 | 4,723 | 8,460,518 | 13F-HR | 2/11/2016 | 000093254016000018 | GROUP ONE TRADING, L.P. |
| Q3 2015 | 4,860 | 7,233,730 | RESTATEMENT | 11/20/2015 | 000093254015000015 | GROUP ONE TRADING, L.P. |
| Q3 2015 | 4,860 | 7,229,332 | 13F-HR | 11/6/2015 | 000093254015000013 | GROUP ONE TRADING, L.P. |
| Q2 2015 | 4,849 | 7,147,569 | 13F-HR | 8/11/2015 | 000093254015000009 | GROUP ONE TRADING, L.P. |
| Q1 2015 | 4,755 | 6,369,518 | 13F-HR | 5/14/2015 | 000093254015000007 | GROUP ONE TRADING, L.P. |
| Q4 2014 | 4,894 | 6,625,861 | 13F-HR | 2/11/2015 | 000093254015000002 | GROUP ONE TRADING, L.P. |
| Q3 2014 | 5,124 | 6,492,678 | 13F-HR | 10/31/2014 | 000093254014000022 | GROUP ONE TRADING, L.P. |
| Q2 2014 | 5,165 | 6,492,154 | 13F-HR | 8/12/2014 | 000093254014000018 | GROUP ONE TRADING, L.P. |
| Q1 2014 | 5,157 | 5,945,044 | 13F-HR | 5/7/2014 | 000093254014000013 | GROUP ONE TRADING, L.P. |
| Q4 2013 | 5,213 | 6,624,863 | 13F-HR | 1/31/2014 | 000093254014000006 | GROUP ONE TRADING, L.P. |