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Disclosery

GROUP ONE TRADING LLC: COHR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GROUP ONE TRADING LLC on COHR, newest first. How the timeline and the estimate are built.

GROUP ONE TRADING LLC held 53,595 COHR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 53,595 shares
    Change vs previous 13F -22,087 shares

    0.61% of the 13F portfolio, value $21,141,620.

    13F-HR 0000932540-26-000011 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 75,682 shares
    Change vs previous 13F +19,230 shares

    0.6% of the 13F portfolio, value $18,028,209.

    13F-HR 0000932540-26-000005 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 56,452 shares
    Change vs previous 13F +39,240 shares

    0.31% of the 13F portfolio, value $10,419,346.

    13F-HR 0000932540-26-000002 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 17,212 shares
    Change vs previous 13F +6,470 shares

    0.06% of the 13F portfolio, value $1,854,077.

    13F-HR 0000932540-25-000040 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 10,742 shares
    Change vs previous 13F -27,598 shares

    0.03% of the 13F portfolio, value $958,294.

    13F-HR 0000932540-25-000034 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 38,340 shares
    Change vs previous 13F +3,223 shares

    0.1% of the 13F portfolio, value $2,489,800.

    13F-HR 0000932540-25-000027 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F/A 35,117 shares
    Change vs previous 13F -10,434 shares

    0.11% of the 13F portfolio, value $3,326,633.

    13F-HR/A 0000932540-25-000028 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 45,551 shares
    Change vs previous 13F not available

    0.16% of the 13F portfolio, value $4,049,939.

    13F-HR 0000932540-24-000015 filed by GROUP ONE TRADING LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).