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Disclosery

GROUP ONE TRADING LLC: BRSL position timeline

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

GROUP ONE TRADING LLC held 1,955 BRSL 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 1,955 shares
    Change vs previous 13F -13,381 shares

    <0.01% of the 13F portfolio, value $20,958.

    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 15,336 shares
    Change vs previous 13F -2,101 shares

    0.01% of the 13F portfolio, value $195,381.

    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 17,437 shares
    Change vs previous 13F +6,731 shares

    0.01% of the 13F portfolio, value $269,925.

    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 10,706 shares
    Change vs previous 13F -28,299 shares

    0.01% of the 13F portfolio, value $184,678.

    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 39,005 shares
    Change vs previous 13F -28,255 shares

    0.02% of the 13F portfolio, value $616,669.

    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 67,260 shares
    Change vs previous 13F +60,869 shares

    0.05% of the 13F portfolio, value $1,093,648.

    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 6,391 shares
    Change vs previous 13F -22,826 shares

    <0.01% of the 13F portfolio, value $112,865.

    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 29,217 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $622,322.

    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).