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Disclosery

GROUP ONE TRADING LLC: SOC position timeline

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

GROUP ONE TRADING LLC held 171,256 SOC 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 171,256 shares
    Change vs previous 13F +56,878 shares

    0.02% of the 13F portfolio, value $527,468.

    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 114,378 shares
    Change vs previous 13F -334,547 shares

    0.06% of the 13F portfolio, value $1,889,525.

    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 448,925 shares
    Change vs previous 13F -11,316 shares

    0.12% of the 13F portfolio, value $4,049,304.

    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 460,241 shares
    Change vs previous 13F +209,733 shares

    0.24% of the 13F portfolio, value $8,035,808.

    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 250,508 shares
    Change vs previous 13F -13,924 shares

    0.18% of the 13F portfolio, value $5,506,166.

    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 264,432 shares
    Change vs previous 13F +95,814 shares

    0.28% of the 13F portfolio, value $6,708,640.

    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 168,618 shares
    Change vs previous 13F +153,995 shares

    0.13% of the 13F portfolio, value $3,861,352.

    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 14,623 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $345,541.

    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).